Merge "Set the container field of aconfig flags" into main
diff --git a/EXPECTED_UPSTREAM b/EXPECTED_UPSTREAM
index 70b62f0..6acf96d 100644
--- a/EXPECTED_UPSTREAM
+++ b/EXPECTED_UPSTREAM
@@ -1251,12 +1251,12 @@
 ojluni/src/main/java/java/util/zip/CheckedOutputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/CheckedOutputStream.java
 ojluni/src/main/java/java/util/zip/Checksum.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/Checksum.java
 ojluni/src/main/java/java/util/zip/DataFormatException.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/DataFormatException.java
-ojluni/src/main/java/java/util/zip/Deflater.java,jdk8u/jdk8u121-b13,jdk/src/share/classes/java/util/zip/Deflater.java
+ojluni/src/main/java/java/util/zip/Deflater.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/Deflater.java
 ojluni/src/main/java/java/util/zip/DeflaterInputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/DeflaterInputStream.java
 ojluni/src/main/java/java/util/zip/DeflaterOutputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/DeflaterOutputStream.java
 ojluni/src/main/java/java/util/zip/GZIPInputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/GZIPInputStream.java
 ojluni/src/main/java/java/util/zip/GZIPOutputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/GZIPOutputStream.java
-ojluni/src/main/java/java/util/zip/Inflater.java,jdk8u/jdk8u121-b13,jdk/src/share/classes/java/util/zip/Inflater.java
+ojluni/src/main/java/java/util/zip/Inflater.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/Inflater.java
 ojluni/src/main/java/java/util/zip/InflaterInputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/InflaterInputStream.java
 ojluni/src/main/java/java/util/zip/InflaterOutputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/InflaterOutputStream.java
 ojluni/src/main/java/java/util/zip/ZStreamRef.java,jdk8u/jdk8u121-b13,jdk/src/share/classes/java/util/zip/ZStreamRef.java
@@ -1266,7 +1266,7 @@
 ojluni/src/main/java/java/util/zip/ZipEntry.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/ZipEntry.java
 ojluni/src/main/java/java/util/zip/ZipError.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/ZipError.java
 ojluni/src/main/java/java/util/zip/ZipException.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/ZipException.java
-ojluni/src/main/java/java/util/zip/ZipFile.java,jdk8u/jdk8u121-b13,jdk/src/share/classes/java/util/zip/ZipFile.java
+ojluni/src/main/java/java/util/zip/ZipFile.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/ZipFile.java
 ojluni/src/main/java/java/util/zip/ZipInputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/ZipInputStream.java
 ojluni/src/main/java/java/util/zip/ZipOutputStream.java,jdk17u/jdk-17.0.6-ga,src/java.base/share/classes/java/util/zip/ZipOutputStream.java
 ojluni/src/main/java/java/util/zip/ZipUtils.java,jdk17u/jdk-17.0.5-ga,src/java.base/share/classes/java/util/zip/ZipUtils.java
@@ -1836,7 +1836,7 @@
 ojluni/src/main/native/Console_md.c,jdk8u/jdk8u121-b13,jdk/src/solaris/native/java/io/Console_md.c
 ojluni/src/main/native/DatagramChannelImpl.c,jdk8u/jdk8u121-b13,jdk/src/solaris/native/sun/nio/ch/DatagramChannelImpl.c
 ojluni/src/main/native/DatagramDispatcher.c,jdk8u/jdk8u121-b13,jdk/src/solaris/native/sun/nio/ch/DatagramDispatcher.c
-ojluni/src/main/native/Deflater.c,jdk8u/jdk8u60-b31,jdk/src/share/native/java/util/zip/Deflater.c
+ojluni/src/main/native/Deflater.c,jdk17u/jdk-17.0.6-ga,src/java.base/share/native/libzip/Deflater.c
 ojluni/src/main/native/Double.c,jdk8u/jdk8u121-b13,jdk/src/share/native/java/lang/Double.c
 ojluni/src/main/native/EPoll.c,jdk8u/jdk8u121-b13,jdk/src/solaris/native/sun/nio/ch/EPoll.c
 ojluni/src/main/native/EPollPort.c,jdk8u/jdk8u121-b13,jdk/src/solaris/native/sun/nio/ch/EPollPort.c
@@ -1851,7 +1851,7 @@
 ojluni/src/main/native/Inet4Address.c,jdk7u/jdk7u40-b60,jdk/src/share/native/java/net/Inet4Address.c
 ojluni/src/main/native/Inet6Address.c,jdk8u/jdk8u121-b13,jdk/src/share/native/java/net/Inet6Address.c
 ojluni/src/main/native/InetAddress.c,jdk8u/jdk8u60-b31,jdk/src/share/native/java/net/InetAddress.c
-ojluni/src/main/native/Inflater.c,jdk8u/jdk8u60-b31,jdk/src/share/native/java/util/zip/Inflater.c
+ojluni/src/main/native/Inflater.c,jdk17u/jdk-17.0.6-ga,src/java.base/share/native/libzip/Inflater.c
 # JniConstants.cpp doesn’t come from the upstream OpenJDK.
 ojluni/src/main/native/LinuxNativeDispatcher.c,jdk8u/jdk8u121-b13,jdk/src/solaris/native/sun/nio/fs/LinuxNativeDispatcher.c
 ojluni/src/main/native/LinuxWatchService.c,jdk8u/jdk8u121-b13,jdk/src/solaris/native/sun/nio/fs/LinuxWatchService.c
diff --git a/api/current.txt b/api/current.txt
index e812848..0fa682f 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -18382,9 +18382,10 @@
     ctor public Deflater();
     method public int deflate(byte[], int, int);
     method public int deflate(byte[]);
+    method @FlaggedApi("com.android.libcore.v_apis") public int deflate(java.nio.ByteBuffer);
     method public int deflate(byte[], int, int, int);
+    method @FlaggedApi("com.android.libcore.v_apis") public int deflate(java.nio.ByteBuffer, int);
     method public void end();
-    method protected void finalize();
     method public void finish();
     method public boolean finished();
     method public int getAdler();
@@ -18396,8 +18397,10 @@
     method public void reset();
     method public void setDictionary(byte[], int, int);
     method public void setDictionary(byte[]);
+    method @FlaggedApi("com.android.libcore.v_apis") public void setDictionary(java.nio.ByteBuffer);
     method public void setInput(byte[], int, int);
     method public void setInput(byte[]);
+    method @FlaggedApi("com.android.libcore.v_apis") public void setInput(java.nio.ByteBuffer);
     method public void setLevel(int);
     method public void setStrategy(int);
     field public static final int BEST_COMPRESSION = 9; // 0x9
@@ -18454,7 +18457,6 @@
     ctor public Inflater(boolean);
     ctor public Inflater();
     method public void end();
-    method protected void finalize();
     method public boolean finished();
     method public int getAdler();
     method public long getBytesRead();
@@ -18464,13 +18466,16 @@
     method public int getTotalOut();
     method public int inflate(byte[], int, int) throws java.util.zip.DataFormatException;
     method public int inflate(byte[]) throws java.util.zip.DataFormatException;
+    method @FlaggedApi("com.android.libcore.v_apis") public int inflate(java.nio.ByteBuffer) throws java.util.zip.DataFormatException;
     method public boolean needsDictionary();
     method public boolean needsInput();
     method public void reset();
     method public void setDictionary(byte[], int, int);
     method public void setDictionary(byte[]);
+    method @FlaggedApi("com.android.libcore.v_apis") public void setDictionary(java.nio.ByteBuffer);
     method public void setInput(byte[], int, int);
     method public void setInput(byte[]);
+    method @FlaggedApi("com.android.libcore.v_apis") public void setInput(java.nio.ByteBuffer);
   }
 
   public class InflaterInputStream extends java.io.FilterInputStream {
@@ -18583,7 +18588,6 @@
     ctor public ZipFile(java.io.File, java.nio.charset.Charset) throws java.io.IOException;
     method public void close() throws java.io.IOException;
     method public java.util.Enumeration<? extends java.util.zip.ZipEntry> entries();
-    method protected void finalize() throws java.io.IOException;
     method public String getComment();
     method public java.util.zip.ZipEntry getEntry(String);
     method public java.io.InputStream getInputStream(java.util.zip.ZipEntry) throws java.io.IOException;
diff --git a/harmony-tests/src/test/java/org/apache/harmony/tests/java/util/zip/DeflaterTest.java b/harmony-tests/src/test/java/org/apache/harmony/tests/java/util/zip/DeflaterTest.java
index d0747de..aaa0c32 100644
--- a/harmony-tests/src/test/java/org/apache/harmony/tests/java/util/zip/DeflaterTest.java
+++ b/harmony-tests/src/test/java/org/apache/harmony/tests/java/util/zip/DeflaterTest.java
@@ -42,10 +42,6 @@
             super(lvl);
         }
 
-        void myFinalize() {
-            finalize();
-        }
-
         int getDefCompression() {
             return DEFAULT_COMPRESSION;
         }
@@ -188,16 +184,6 @@
     }
 
     /**
-     * java.util.zip.Deflater#finalize()
-     */
-    public void test_finalize() {
-        MyDeflater mdefl = new MyDeflater();
-        mdefl.myFinalize();
-        System.gc();
-        helper_end_test(mdefl, "finalize");
-    }
-
-    /**
      * java.util.zip.Deflater#finish()
      */
     public void test_finish() throws Exception {
diff --git a/luni/src/test/java/libcore/java/util/zip/ZipFileTest.java b/luni/src/test/java/libcore/java/util/zip/ZipFileTest.java
index 67d560e..b9e942e 100644
--- a/luni/src/test/java/libcore/java/util/zip/ZipFileTest.java
+++ b/luni/src/test/java/libcore/java/util/zip/ZipFileTest.java
@@ -24,6 +24,7 @@
 import java.io.FileDescriptor;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.nio.charset.Charset;
@@ -39,44 +40,6 @@
         return new ZipOutputStream(wrapped);
     }
 
-    // http://b/30407219
-    public void testZipFileOffsetNeverChangesAfterInit() throws Exception {
-        final File f = createTemporaryZipFile();
-        writeEntries(createZipOutputStream(new BufferedOutputStream(new FileOutputStream(f))),
-                2 /* number of entries */, 1024 /* entry size */, true /* setEntrySize */);
-
-        ZipFile zipFile = new ZipFile(f);
-        FileDescriptor fd = new FileDescriptor();
-        fd.setInt$(zipFile.getFileDescriptor());
-
-        long initialOffset = android.system.Os.lseek(fd, 0, OsConstants.SEEK_CUR);
-
-        Enumeration<? extends ZipEntry> entries = zipFile.entries();
-        assertOffset(initialOffset, fd);
-
-        // Get references to the two elements in the file.
-        ZipEntry entry1 = entries.nextElement();
-        ZipEntry entry2 = entries.nextElement();
-        assertFalse(entries.hasMoreElements());
-        assertOffset(initialOffset, fd);
-
-        InputStream is1 = zipFile.getInputStream(entry1);
-        assertOffset(initialOffset, fd);
-        is1.read(new byte[256]);
-        assertOffset(initialOffset, fd);
-        is1.close();
-
-        assertNotNull(zipFile.getEntry(entry2.getName()));
-        assertOffset(initialOffset, fd);
-
-        zipFile.close();
-    }
-
-    private static void assertOffset(long initialOffset, FileDescriptor fd) throws Exception {
-        long currentOffset = android.system.Os.lseek(fd, 0, OsConstants.SEEK_CUR);
-        assertEquals(initialOffset, currentOffset);
-    }
-
     // b/31077136
     public void test_FileNotFound() throws Exception {
         File nonExistentFile = new File("fileThatDefinitelyDoesntExist.zip");
@@ -84,7 +47,7 @@
 
         try (ZipFile zipFile = new ZipFile(nonExistentFile, ZipFile.OPEN_READ)) {
             fail();
-        } catch(FileNotFoundException expected) {}
+        } catch(IOException expected) {}
     }
 
     /**
diff --git a/ojluni/annotations/flagged_api/java/util/zip/Deflater.annotated.java b/ojluni/annotations/flagged_api/java/util/zip/Deflater.annotated.java
new file mode 100644
index 0000000..b9ca845
--- /dev/null
+++ b/ojluni/annotations/flagged_api/java/util/zip/Deflater.annotated.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 1996, 2022, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package java.util.zip;
+
+@SuppressWarnings({"unchecked", "deprecation", "all"})
+public class Deflater {
+
+public Deflater(int level, boolean nowrap) { throw new RuntimeException("Stub!"); }
+
+public Deflater(int level) { throw new RuntimeException("Stub!"); }
+
+public Deflater() { throw new RuntimeException("Stub!"); }
+
+public void setInput(byte[] input, int off, int len) { throw new RuntimeException("Stub!"); }
+
+public void setInput(byte[] input) { throw new RuntimeException("Stub!"); }
+
+@android.annotation.FlaggedApi("com.android.libcore.v_apis")
+public void setInput(java.nio.ByteBuffer input) { throw new RuntimeException("Stub!"); }
+
+public void setDictionary(byte[] dictionary, int off, int len) { throw new RuntimeException("Stub!"); }
+
+public void setDictionary(byte[] dictionary) { throw new RuntimeException("Stub!"); }
+
+@android.annotation.FlaggedApi("com.android.libcore.v_apis")
+public void setDictionary(java.nio.ByteBuffer dictionary) { throw new RuntimeException("Stub!"); }
+
+public void setStrategy(int strategy) { throw new RuntimeException("Stub!"); }
+
+public void setLevel(int level) { throw new RuntimeException("Stub!"); }
+
+public boolean needsInput() { throw new RuntimeException("Stub!"); }
+
+public void finish() { throw new RuntimeException("Stub!"); }
+
+public boolean finished() { throw new RuntimeException("Stub!"); }
+
+public int deflate(byte[] output, int off, int len) { throw new RuntimeException("Stub!"); }
+
+public int deflate(byte[] output) { throw new RuntimeException("Stub!"); }
+
+@android.annotation.FlaggedApi("com.android.libcore.v_apis")
+public int deflate(java.nio.ByteBuffer output) { throw new RuntimeException("Stub!"); }
+
+public int deflate(byte[] output, int off, int len, int flush) { throw new RuntimeException("Stub!"); }
+
+@android.annotation.FlaggedApi("com.android.libcore.v_apis")
+public int deflate(java.nio.ByteBuffer output, int flush) { throw new RuntimeException("Stub!"); }
+
+public int getAdler() { throw new RuntimeException("Stub!"); }
+
+public int getTotalIn() { throw new RuntimeException("Stub!"); }
+
+public long getBytesRead() { throw new RuntimeException("Stub!"); }
+
+public int getTotalOut() { throw new RuntimeException("Stub!"); }
+
+public long getBytesWritten() { throw new RuntimeException("Stub!"); }
+
+public void reset() { throw new RuntimeException("Stub!"); }
+
+public void end() { throw new RuntimeException("Stub!"); }
+
+public static final int BEST_COMPRESSION = 9; // 0x9
+
+public static final int BEST_SPEED = 1; // 0x1
+
+public static final int DEFAULT_COMPRESSION = -1; // 0xffffffff
+
+public static final int DEFAULT_STRATEGY = 0; // 0x0
+
+public static final int DEFLATED = 8; // 0x8
+
+public static final int FILTERED = 1; // 0x1
+
+public static final int FULL_FLUSH = 3; // 0x3
+
+public static final int HUFFMAN_ONLY = 2; // 0x2
+
+public static final int NO_COMPRESSION = 0; // 0x0
+
+public static final int NO_FLUSH = 0; // 0x0
+
+public static final int SYNC_FLUSH = 2; // 0x2
+}
+
diff --git a/ojluni/annotations/flagged_api/java/util/zip/Inflater.annotated.java b/ojluni/annotations/flagged_api/java/util/zip/Inflater.annotated.java
new file mode 100644
index 0000000..cd9e17c
--- /dev/null
+++ b/ojluni/annotations/flagged_api/java/util/zip/Inflater.annotated.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package java.util.zip;
+
+@SuppressWarnings({"unchecked", "deprecation", "all"})
+public class Inflater {
+
+public Inflater(boolean nowrap) { throw new RuntimeException("Stub!"); }
+
+public Inflater() { throw new RuntimeException("Stub!"); }
+
+public void setInput(byte[] input, int off, int len) { throw new RuntimeException("Stub!"); }
+
+public void setInput(byte[] input) { throw new RuntimeException("Stub!"); }
+
+@android.annotation.FlaggedApi("com.android.libcore.v_apis")
+public void setInput(java.nio.ByteBuffer input) { throw new RuntimeException("Stub!"); }
+
+public void setDictionary(byte[] dictionary, int off, int len) { throw new RuntimeException("Stub!"); }
+
+public void setDictionary(byte[] dictionary) { throw new RuntimeException("Stub!"); }
+
+@android.annotation.FlaggedApi("com.android.libcore.v_apis")
+public void setDictionary(java.nio.ByteBuffer dictionary) { throw new RuntimeException("Stub!"); }
+
+public int getRemaining() { throw new RuntimeException("Stub!"); }
+
+public boolean needsInput() { throw new RuntimeException("Stub!"); }
+
+public boolean needsDictionary() { throw new RuntimeException("Stub!"); }
+
+public boolean finished() { throw new RuntimeException("Stub!"); }
+
+public int inflate(byte[] output, int off, int len) throws java.util.zip.DataFormatException { throw new RuntimeException("Stub!"); }
+
+public int inflate(byte[] output) throws java.util.zip.DataFormatException { throw new RuntimeException("Stub!"); }
+
+@android.annotation.FlaggedApi("com.android.libcore.v_apis")
+public int inflate(java.nio.ByteBuffer output) throws java.util.zip.DataFormatException { throw new RuntimeException("Stub!"); }
+
+public int getAdler() { throw new RuntimeException("Stub!"); }
+
+public int getTotalIn() { throw new RuntimeException("Stub!"); }
+
+public long getBytesRead() { throw new RuntimeException("Stub!"); }
+
+public int getTotalOut() { throw new RuntimeException("Stub!"); }
+
+public long getBytesWritten() { throw new RuntimeException("Stub!"); }
+
+public void reset() { throw new RuntimeException("Stub!"); }
+
+public void end() { throw new RuntimeException("Stub!"); }
+}
+
diff --git a/ojluni/src/main/java/java/io/RandomAccessFile.java b/ojluni/src/main/java/java/io/RandomAccessFile.java
index 06683ad..04b25f6 100644
--- a/ojluni/src/main/java/java/io/RandomAccessFile.java
+++ b/ojluni/src/main/java/java/io/RandomAccessFile.java
@@ -31,6 +31,8 @@
 import sun.nio.ch.FileChannelImpl;
 import android.system.Os;
 import android.system.ErrnoException;
+import android.system.OsConstants;
+
 import dalvik.system.CloseGuard;
 import libcore.io.IoBridge;
 import libcore.io.IoTracker;
@@ -231,6 +233,20 @@
     public RandomAccessFile(File file, String mode)
         throws FileNotFoundException
     {
+        // Android-changed: delegate to constructor which controls O_CLOEXEC.
+        this(file, mode, /* setCloExecFlag= */ false);
+    }
+
+    /**
+     * Identical to {@link #RandomAccessFile(File, String)}, but with a capability to control
+     * O_CLOEXEC flag of file descriptor.
+     *
+     * @param setCloExecFlag if true file descriptor will be opened with O_CLOEXE flag set
+     * @hide
+     */
+    // Android-changed: added an extra argument to set O_CLOEXEC.
+    public RandomAccessFile(File file, String mode, boolean setCloExecFlag)
+            throws FileNotFoundException {
         String name = (file != null ? file.getPath() : null);
         int imode = -1;
         if (mode.equals("r")) {
@@ -283,6 +299,8 @@
             throw new FileNotFoundException("Invalid file path");
         }
         this.path = name;
+        // Android-added: set O_CLOEXEC flag if requested.
+        imode = setCloExecFlag ? imode | O_CLOEXEC : imode;
         this.mode = imode;
 
         // BEGIN Android-changed: Use IoBridge.open() instead of open.
diff --git a/ojluni/src/main/java/java/util/jar/JarFile.java b/ojluni/src/main/java/java/util/jar/JarFile.java
index 797d0bb..1d29e1c 100644
--- a/ojluni/src/main/java/java/util/jar/JarFile.java
+++ b/ojluni/src/main/java/java/util/jar/JarFile.java
@@ -306,10 +306,26 @@
                         Spliterator.IMMUTABLE | Spliterator.NONNULL), false);
     }
 
+    // Android-added: this method is from OpenJDK 17. Made public hidden to access it
+    // in ZipFile w/o SharedSecrets.
+    /**
+     * Creates a ZipEntry suitable for the given ZipFile.
+     * @hide
+     */
+    public JarEntry entryFor(String name) {
+        return new JarFileEntry(name);
+    }
+
     private class JarFileEntry extends JarEntry {
         JarFileEntry(ZipEntry ze) {
             super(ze);
         }
+
+        // Android-added: imported from OpenJDK 17 for entryFor(String) support.
+        JarFileEntry(String name) {
+            super(name);
+        }
+
         public Attributes getAttributes() throws IOException {
             Manifest man = JarFile.this.getManifest();
             if (man != null) {
@@ -354,6 +370,8 @@
         }
 
         if (verify) {
+            // BEGIN Android-changed: use OpenJDK 17 implementation.
+            /*
             String[] names = getMetaInfEntryNames();
             if (names != null) {
                 for (int i = 0; i < names.length; i++) {
@@ -373,6 +391,21 @@
             // No signature-related files; don't instantiate a
             // verifier
             verify = false;
+            */
+            // Gets the manifest name, but only if there are
+            // signature-related files. If so we can assume
+            // that the jar is signed and that we therefore
+            // need a JarVerifier and Manifest
+            // String name = JUZFA.getManifestName(this, true);
+            String name = getManifestName(true);
+            if (name != null) {
+                getManifest();
+                return;
+            }
+            // No signature-related files; don't instantiate a
+            // verifier
+            verify = false;
+            // END Android-changed: use OpenJDK 17 implementation.
         }
     }
 
@@ -385,6 +418,8 @@
         ManifestEntryVerifier mev = null;
 
         // Verify "META-INF/" entries...
+        // BEGIN Android-changed: use OpenJDK17 implementation.
+        /*
         try {
             String[] names = getMetaInfEntryNames();
             if (names != null) {
@@ -419,6 +454,46 @@
                 ex.printStackTrace();
             }
         }
+        */
+        try {
+            List<String> names = getManifestAndSignatureRelatedFiles();
+            for (String name : names) {
+                JarEntry e = getJarEntry(name);
+                byte[] b;
+                if (e == null) {
+                    throw new JarException("corrupted jar file");
+                }
+                if (mev == null) {
+                    // BEGIN Android-changed: ManifestEntryVerifier(Manifest, String) is not imported yet.
+                    /*
+                    mev = new ManifestEntryVerifier
+                            (getManifestFromReference()), jv.manifestName);
+                    */
+                    mev = new ManifestEntryVerifier(getManifestFromReference());
+                    // END Android-changed: ManifestEntryVerifier(Manifest, String) is not imported yet.
+                }
+                if (name.equalsIgnoreCase(MANIFEST_NAME)) {
+                    b = jv.manifestRawBytes;
+                } else {
+                    b = getBytes(e);
+                }
+                if (b != null && b.length > 0) {
+                    jv.beginEntry(e, mev);
+                    jv.update(b.length, b, 0, b.length, mev);
+                    jv.update(-1, null, 0, 0, mev);
+                }
+            }
+        } catch (IOException | IllegalArgumentException ex) {
+            // if we had an error parsing any blocks, just
+            // treat the jar file as being unsigned
+            jv = null;
+            verify = false;
+            if (JarVerifier.debug != null) {
+                JarVerifier.debug.println("jarfile parsing error!");
+                ex.printStackTrace();
+            }
+        }
+        // END Android-changed: use OpenJDK17 implementation.
 
         // if after initializing the verifier we have nothing
         // signed, we null it out.
@@ -484,7 +559,7 @@
         return new JarVerifier.VerifierStream(
             getManifestFromReference(),
             ze instanceof JarFileEntry ?
-            (JarEntry) ze : getJarEntry(ze.getName()),
+                    (JarEntry) ze : getJarEntry(ze.getName()),
             super.getInputStream(ze),
             jv);
     }
@@ -517,6 +592,8 @@
     // private JarEntry getManEntry() {
     private synchronized JarEntry getManEntry() {
     // END Android-changed: Fix JarFile to be thread safe. http://b/27826114
+        // BEGIN Android-changed: use OpenJDK 17 implementation.
+        /*
         if (manEntry == null) {
             // First look up manifest entry using standard name
             manEntry = getJarEntry(MANIFEST_NAME);
@@ -535,14 +612,24 @@
                 }
             }
         }
+        */
+        if (manEntry == null) {
+            // The manifest entry position is resolved during
+            // initialization
+            String name = getManifestName(false);
+            if (name != null) {
+                this.manEntry = (JarEntry)super.getEntry(name);
+            }
+        }
+        // END Android-changed: use OpenJDK 17 implementation.
         return manEntry;
     }
 
-   /**
-    * Returns {@code true} iff this JAR file has a manifest with the
-    * Class-Path attribute
-    * @hide
-    */
+    /**
+     * Returns {@code true} iff this JAR file has a manifest with the
+     * Class-Path attribute
+     * @hide
+     */
     // Android-changed: Make hasClassPathAttribute() @hide public, for internal use.
     // Used by URLClassPath.JarLoader.
     // boolean hasClassPathAttribute() throws IOException {
@@ -568,7 +655,7 @@
                 if (c != src[j]) {
                     i += Math.max(j + 1 - lastOcc[c&0x7F], optoSft[j]);
                     continue next;
-                 }
+                }
             }
             return true;
         }
diff --git a/ojluni/src/main/java/java/util/zip/Deflater.java b/ojluni/src/main/java/java/util/zip/Deflater.java
index df59fb5..9910016 100644
--- a/ojluni/src/main/java/java/util/zip/Deflater.java
+++ b/ojluni/src/main/java/java/util/zip/Deflater.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,18 +27,32 @@
 
 import dalvik.annotation.optimization.ReachabilitySensitive;
 import dalvik.system.CloseGuard;
+import java.lang.ref.Cleaner.Cleanable;
+import java.lang.ref.Reference;
+import java.nio.ByteBuffer;
+import java.nio.ReadOnlyBufferException;
+import java.util.Objects;
+
+import jdk.internal.ref.CleanerFactory;
+import sun.nio.ch.DirectBuffer;
 
 /**
  * This class provides support for general purpose compression using the
  * popular ZLIB compression library. The ZLIB compression library was
  * initially developed as part of the PNG graphics standard and is not
  * protected by patents. It is fully described in the specifications at
- * the <a href="package-summary.html#package_description">java.util.zip
+ * the <a href="package-summary.html#package-description">java.util.zip
  * package description</a>.
- *
- * <p>The following code fragment demonstrates a trivial compression
- * and decompression of a string using <tt>Deflater</tt> and
- * <tt>Inflater</tt>.
+ * <p>
+ * This class deflates sequences of bytes into ZLIB compressed data format.
+ * The input byte sequence is provided in either byte array or byte buffer,
+ * via one of the {@code setInput()} methods. The output byte sequence is
+ * written to the output byte array or byte buffer passed to the
+ * {@code deflate()} methods.
+ * <p>
+ * The following code fragment demonstrates a trivial compression
+ * and decompression of a string using {@code Deflater} and
+ * {@code Inflater}.
  *
  * <blockquote><pre>
  * try {
@@ -63,28 +77,31 @@
  *
  *     // Decode the bytes into a String
  *     String outputString = new String(result, 0, resultLength, "UTF-8");
- * } catch(java.io.UnsupportedEncodingException ex) {
+ * } catch (java.io.UnsupportedEncodingException ex) {
  *     // handle
  * } catch (java.util.zip.DataFormatException ex) {
  *     // handle
  * }
  * </pre></blockquote>
  *
+ * @apiNote
+ * To release resources used by this {@code Deflater}, the {@link #end()} method
+ * should be called explicitly. Subclasses are responsible for the cleanup of resources
+ * acquired by the subclass. Subclasses that override {@link #finalize()} in order
+ * to perform cleanup should be modified to use alternative cleanup mechanisms such
+ * as {@link java.lang.ref.Cleaner} and remove the overriding {@code finalize} method.
+ *
  * @see         Inflater
  * @author      David Connelly
+ * @since 1.1
  */
-public
-class Deflater {
 
-    // Android-added: @ReachabilitySensitive
-    // Finalization clears zsRef, and thus can't be allowed to occur early.
-    // Unlike some other CloseGuard uses, the spec allows clients to rely on finalization
-    // here.  Thus dropping a deflater without calling end() should work correctly.
-    // It thus does not suffice to just rely on the CloseGuard annotation.
-    @ReachabilitySensitive
-    private final ZStreamRef zsRef;
-    private byte[] buf = new byte[0];
-    private int off, len;
+public class Deflater {
+
+    private final DeflaterZStreamRef zsRef;
+    private ByteBuffer input = ZipUtils.defaultBuf;
+    private byte[] inputArray;
+    private int inputPos, inputLim;
     private int level, strategy;
     private boolean setParams;
     private boolean finish, finished;
@@ -165,11 +182,16 @@
      */
     public static final int FULL_FLUSH = 3;
 
+    /**
+     * Flush mode to use at the end of output.  Can only be provided by the
+     * user by way of {@link #finish()}.
+     */
+    private static final int FINISH = 4;
+
     // Android-removed: initIDs handled in register method.
     /*
     static {
-        /* Zip library is loaded from System.initializeSystemClass *
-        initIDs();
+        ZipUtils.loadLibrary();
     }
     */
 
@@ -184,7 +206,8 @@
     public Deflater(int level, boolean nowrap) {
         this.level = level;
         this.strategy = DEFAULT_STRATEGY;
-        this.zsRef = new ZStreamRef(init(level, DEFAULT_STRATEGY, nowrap));
+        this.zsRef = new DeflaterZStreamRef(this,
+                init(level, DEFAULT_STRATEGY, nowrap));
         // Android-added: CloseGuard support.
         guard.open("end");
     }
@@ -207,35 +230,69 @@
     }
 
     /**
-     * Sets input data for compression. This should be called whenever
-     * needsInput() returns true indicating that more input data is required.
-     * @param b the input data bytes
+     * Sets input data for compression.
+     * <p>
+     * One of the {@code setInput()} methods should be called whenever
+     * {@code needsInput()} returns true indicating that more input data
+     * is required.
+     * @param input the input data bytes
      * @param off the start offset of the data
      * @param len the length of the data
      * @see Deflater#needsInput
      */
-    public void setInput(byte[] b, int off, int len) {
-        if (b== null) {
-            throw new NullPointerException();
-        }
-        if (off < 0 || len < 0 || off > b.length - len) {
+    public void setInput(byte[] input, int off, int len) {
+        if (off < 0 || len < 0 || off > input.length - len) {
             throw new ArrayIndexOutOfBoundsException();
         }
         synchronized (zsRef) {
-            this.buf = b;
-            this.off = off;
-            this.len = len;
+            this.input = null;
+            this.inputArray = input;
+            this.inputPos = off;
+            this.inputLim = off + len;
         }
     }
 
     /**
-     * Sets input data for compression. This should be called whenever
-     * needsInput() returns true indicating that more input data is required.
-     * @param b the input data bytes
+     * Sets input data for compression.
+     * <p>
+     * One of the {@code setInput()} methods should be called whenever
+     * {@code needsInput()} returns true indicating that more input data
+     * is required.
+     * @param input the input data bytes
      * @see Deflater#needsInput
      */
-    public void setInput(byte[] b) {
-        setInput(b, 0, b.length);
+    public void setInput(byte[] input) {
+        setInput(input, 0, input.length);
+    }
+
+    /**
+     * Sets input data for compression.
+     * <p>
+     * One of the {@code setInput()} methods should be called whenever
+     * {@code needsInput()} returns true indicating that more input data
+     * is required.
+     * <p>
+     * The given buffer's position will be advanced as deflate
+     * operations are performed, up to the buffer's limit.
+     * The input buffer may be modified (refilled) between deflate
+     * operations; doing so is equivalent to creating a new buffer
+     * and setting it with this method.
+     * <p>
+     * Modifying the input buffer's contents, position, or limit
+     * concurrently with an deflate operation will result in
+     * undefined behavior, which may include incorrect operation
+     * results or operation failure.
+     *
+     * @param input the input data bytes
+     * @see Deflater#needsInput
+     * @since 11
+     */
+    public void setInput(ByteBuffer input) {
+        Objects.requireNonNull(input);
+        synchronized (zsRef) {
+            this.input = input;
+            this.inputArray = null;
+        }
     }
 
     /**
@@ -244,22 +301,19 @@
      * uncompressed with Inflater.inflate(), Inflater.getAdler() can be called
      * in order to get the Adler-32 value of the dictionary required for
      * decompression.
-     * @param b the dictionary data bytes
+     * @param dictionary the dictionary data bytes
      * @param off the start offset of the data
      * @param len the length of the data
      * @see Inflater#inflate
      * @see Inflater#getAdler
      */
-    public void setDictionary(byte[] b, int off, int len) {
-        if (b == null) {
-            throw new NullPointerException();
-        }
-        if (off < 0 || len < 0 || off > b.length - len) {
+    public void setDictionary(byte[] dictionary, int off, int len) {
+        if (off < 0 || len < 0 || off > dictionary.length - len) {
             throw new ArrayIndexOutOfBoundsException();
         }
         synchronized (zsRef) {
             ensureOpen();
-            setDictionary(zsRef.address(), b, off, len);
+            setDictionary(zsRef.address(), dictionary, off, len);
         }
     }
 
@@ -269,12 +323,47 @@
      * uncompressed with Inflater.inflate(), Inflater.getAdler() can be called
      * in order to get the Adler-32 value of the dictionary required for
      * decompression.
-     * @param b the dictionary data bytes
+     * @param dictionary the dictionary data bytes
      * @see Inflater#inflate
      * @see Inflater#getAdler
      */
-    public void setDictionary(byte[] b) {
-        setDictionary(b, 0, b.length);
+    public void setDictionary(byte[] dictionary) {
+        setDictionary(dictionary, 0, dictionary.length);
+    }
+
+    /**
+     * Sets preset dictionary for compression. A preset dictionary is used
+     * when the history buffer can be predetermined. When the data is later
+     * uncompressed with Inflater.inflate(), Inflater.getAdler() can be called
+     * in order to get the Adler-32 value of the dictionary required for
+     * decompression.
+     * <p>
+     * The bytes in given byte buffer will be fully consumed by this method.  On
+     * return, its position will equal its limit.
+     *
+     * @param dictionary the dictionary data bytes
+     * @see Inflater#inflate
+     * @see Inflater#getAdler
+     */
+    public void setDictionary(ByteBuffer dictionary) {
+        synchronized (zsRef) {
+            int position = dictionary.position();
+            int remaining = Math.max(dictionary.limit() - position, 0);
+            ensureOpen();
+            if (dictionary.isDirect()) {
+                long address = ((DirectBuffer) dictionary).address();
+                try {
+                    setDictionaryBuffer(zsRef.address(), address + position, remaining);
+                } finally {
+                    Reference.reachabilityFence(dictionary);
+                }
+            } else {
+                byte[] array = ZipUtils.getBufferArray(dictionary);
+                int offset = ZipUtils.getBufferOffset(dictionary);
+                setDictionary(zsRef.address(), array, offset + position, remaining);
+            }
+            dictionary.position(position + remaining);
+        }
     }
 
     /**
@@ -286,7 +375,7 @@
      * effect only after that invocation.
      *
      * @param strategy the new compression strategy
-     * @exception IllegalArgumentException if the compression strategy is
+     * @throws    IllegalArgumentException if the compression strategy is
      *                                     invalid
      */
     public void setStrategy(int strategy) {
@@ -315,7 +404,7 @@
      * take effect only after that invocation.
      *
      * @param level the new compression level (0-9)
-     * @exception IllegalArgumentException if the compression level is invalid
+     * @throws    IllegalArgumentException if the compression level is invalid
      */
     public void setLevel(int level) {
         if ((level < 0 || level > 9) && level != DEFAULT_COMPRESSION) {
@@ -330,14 +419,17 @@
     }
 
     /**
-     * Returns true if the input data buffer is empty and setInput()
-     * should be called in order to provide more input.
+     * Returns true if no data remains in the input buffer. This can
+     * be used to determine if one of the {@code setInput()} methods should be
+     * called in order to provide more input.
+     *
      * @return true if the input data buffer is empty and setInput()
      * should be called in order to provide more input
      */
     public boolean needsInput() {
         synchronized (zsRef) {
-            return len <= 0;
+            ByteBuffer input = this.input;
+            return input == null ? inputLim == inputPos : ! input.hasRemaining();
         }
     }
 
@@ -374,14 +466,14 @@
      * yields the same result as the invocation of
      * {@code deflater.deflate(b, off, len, Deflater.NO_FLUSH)}.
      *
-     * @param b the buffer for the compressed data
+     * @param output the buffer for the compressed data
      * @param off the start offset of the data
      * @param len the maximum number of bytes of compressed data
      * @return the actual number of bytes of compressed data written to the
      *         output buffer
      */
-    public int deflate(byte[] b, int off, int len) {
-        return deflate(b, off, len, NO_FLUSH);
+    public int deflate(byte[] output, int off, int len) {
+        return deflate(output, off, len, NO_FLUSH);
     }
 
     /**
@@ -395,12 +487,32 @@
      * yields the same result as the invocation of
      * {@code deflater.deflate(b, 0, b.length, Deflater.NO_FLUSH)}.
      *
-     * @param b the buffer for the compressed data
+     * @param output the buffer for the compressed data
      * @return the actual number of bytes of compressed data written to the
      *         output buffer
      */
-    public int deflate(byte[] b) {
-        return deflate(b, 0, b.length, NO_FLUSH);
+    public int deflate(byte[] output) {
+        return deflate(output, 0, output.length, NO_FLUSH);
+    }
+
+    /**
+     * Compresses the input data and fills specified buffer with compressed
+     * data. Returns actual number of bytes of compressed data. A return value
+     * of 0 indicates that {@link #needsInput() needsInput} should be called
+     * in order to determine if more input data is required.
+     *
+     * <p>This method uses {@link #NO_FLUSH} as its compression flush mode.
+     * An invocation of this method of the form {@code deflater.deflate(output)}
+     * yields the same result as the invocation of
+     * {@code deflater.deflate(output, Deflater.NO_FLUSH)}.
+     *
+     * @param output the buffer for the compressed data
+     * @return the actual number of bytes of compressed data written to the
+     *         output buffer
+     * @since 11
+     */
+    public int deflate(ByteBuffer output) {
+        return deflate(output, NO_FLUSH);
     }
 
     /**
@@ -435,9 +547,16 @@
      * <p>In the case of {@link #FULL_FLUSH} or {@link #SYNC_FLUSH}, if
      * the return value is {@code len}, the space available in output
      * buffer {@code b}, this method should be invoked again with the same
-     * {@code flush} parameter and more output space.
+     * {@code flush} parameter and more output space. Make sure that
+     * {@code len} is greater than 6 to avoid flush marker (5 bytes) being
+     * repeatedly output to the output buffer every time this method is
+     * invoked.
      *
-     * @param b the buffer for the compressed data
+     * <p>If the {@link #setInput(ByteBuffer)} method was called to provide a buffer
+     * for input, the input buffer's position will be advanced by the number of bytes
+     * consumed by this operation.
+     *
+     * @param output the buffer for the compressed data
      * @param off the start offset of the data
      * @param len the maximum number of bytes of compressed data
      * @param flush the compression flush mode
@@ -447,25 +566,248 @@
      * @throws IllegalArgumentException if the flush mode is invalid
      * @since 1.7
      */
-    public int deflate(byte[] b, int off, int len, int flush) {
-        if (b == null) {
-            throw new NullPointerException();
-        }
-        if (off < 0 || len < 0 || off > b.length - len) {
+    public int deflate(byte[] output, int off, int len, int flush) {
+        if (off < 0 || len < 0 || off > output.length - len) {
             throw new ArrayIndexOutOfBoundsException();
         }
+        if (flush != NO_FLUSH && flush != SYNC_FLUSH && flush != FULL_FLUSH) {
+            throw new IllegalArgumentException();
+        }
         synchronized (zsRef) {
             ensureOpen();
-            if (flush == NO_FLUSH || flush == SYNC_FLUSH ||
-                flush == FULL_FLUSH) {
-                int thisLen = this.len;
-                int n = deflateBytes(zsRef.address(), b, off, len, flush);
-                bytesWritten += n;
-                bytesRead += (thisLen - this.len);
-                return n;
+
+            ByteBuffer input = this.input;
+            if (finish) {
+                // disregard given flush mode in this case
+                flush = FINISH;
             }
+            int params;
+            if (setParams) {
+                // bit 0: true to set params
+                // bit 1-2: strategy (0, 1, or 2)
+                // bit 3-31: level (0..9 or -1)
+                params = 1 | strategy << 1 | level << 3;
+            } else {
+                params = 0;
+            }
+            int inputPos;
+            long result;
+            if (input == null) {
+                inputPos = this.inputPos;
+                result = deflateBytesBytes(zsRef.address(),
+                    inputArray, inputPos, inputLim - inputPos,
+                    output, off, len,
+                    flush, params);
+            } else {
+                inputPos = input.position();
+                int inputRem = Math.max(input.limit() - inputPos, 0);
+                if (input.isDirect()) {
+                    try {
+                        long inputAddress = ((DirectBuffer) input).address();
+                        result = deflateBufferBytes(zsRef.address(),
+                            inputAddress + inputPos, inputRem,
+                            output, off, len,
+                            flush, params);
+                    } finally {
+                        Reference.reachabilityFence(input);
+                    }
+                } else {
+                    byte[] inputArray = ZipUtils.getBufferArray(input);
+                    int inputOffset = ZipUtils.getBufferOffset(input);
+                    result = deflateBytesBytes(zsRef.address(),
+                        inputArray, inputOffset + inputPos, inputRem,
+                        output, off, len,
+                        flush, params);
+                }
+            }
+            int read = (int) (result & 0x7fff_ffffL);
+            int written = (int) (result >>> 31 & 0x7fff_ffffL);
+            if ((result >>> 62 & 1) != 0) {
+                finished = true;
+            }
+            if (params != 0 && (result >>> 63 & 1) == 0) {
+                setParams = false;
+            }
+            if (input != null) {
+                input.position(inputPos + read);
+            } else {
+                this.inputPos = inputPos + read;
+            }
+            bytesWritten += written;
+            bytesRead += read;
+            return written;
+        }
+    }
+
+    /**
+     * Compresses the input data and fills the specified buffer with compressed
+     * data. Returns actual number of bytes of data compressed.
+     *
+     * <p>Compression flush mode is one of the following three modes:
+     *
+     * <ul>
+     * <li>{@link #NO_FLUSH}: allows the deflater to decide how much data
+     * to accumulate, before producing output, in order to achieve the best
+     * compression (should be used in normal use scenario). A return value
+     * of 0 in this flush mode indicates that {@link #needsInput()} should
+     * be called in order to determine if more input data is required.
+     *
+     * <li>{@link #SYNC_FLUSH}: all pending output in the deflater is flushed,
+     * to the specified output buffer, so that an inflater that works on
+     * compressed data can get all input data available so far (In particular
+     * the {@link #needsInput()} returns {@code true} after this invocation
+     * if enough output space is provided). Flushing with {@link #SYNC_FLUSH}
+     * may degrade compression for some compression algorithms and so it
+     * should be used only when necessary.
+     *
+     * <li>{@link #FULL_FLUSH}: all pending output is flushed out as with
+     * {@link #SYNC_FLUSH}. The compression state is reset so that the inflater
+     * that works on the compressed output data can restart from this point
+     * if previous compressed data has been damaged or if random access is
+     * desired. Using {@link #FULL_FLUSH} too often can seriously degrade
+     * compression.
+     * </ul>
+     *
+     * <p>In the case of {@link #FULL_FLUSH} or {@link #SYNC_FLUSH}, if
+     * the return value is equal to the {@linkplain ByteBuffer#remaining() remaining space}
+     * of the buffer, this method should be invoked again with the same
+     * {@code flush} parameter and more output space. Make sure that
+     * the buffer has at least 6 bytes of remaining space to avoid the
+     * flush marker (5 bytes) being repeatedly output to the output buffer
+     * every time this method is invoked.
+     *
+     * <p>On success, the position of the given {@code output} byte buffer will be
+     * advanced by as many bytes as were produced by the operation, which is equal
+     * to the number returned by this method.
+     *
+     * <p>If the {@link #setInput(ByteBuffer)} method was called to provide a buffer
+     * for input, the input buffer's position will be advanced by the number of bytes
+     * consumed by this operation.
+     *
+     * @param output the buffer for the compressed data
+     * @param flush the compression flush mode
+     * @return the actual number of bytes of compressed data written to
+     *         the output buffer
+     *
+     * @throws IllegalArgumentException if the flush mode is invalid
+     * @since 11
+     */
+    public int deflate(ByteBuffer output, int flush) {
+        if (output.isReadOnly()) {
+            throw new ReadOnlyBufferException();
+        }
+        if (flush != NO_FLUSH && flush != SYNC_FLUSH && flush != FULL_FLUSH) {
             throw new IllegalArgumentException();
         }
+        synchronized (zsRef) {
+            ensureOpen();
+
+            ByteBuffer input = this.input;
+            if (finish) {
+                // disregard given flush mode in this case
+                flush = FINISH;
+            }
+            int params;
+            if (setParams) {
+                // bit 0: true to set params
+                // bit 1-2: strategy (0, 1, or 2)
+                // bit 3-31: level (0..9 or -1)
+                params = 1 | strategy << 1 | level << 3;
+            } else {
+                params = 0;
+            }
+            int outputPos = output.position();
+            int outputRem = Math.max(output.limit() - outputPos, 0);
+            int inputPos;
+            long result;
+            if (input == null) {
+                inputPos = this.inputPos;
+                if (output.isDirect()) {
+                    long outputAddress = ((DirectBuffer) output).address();
+                    try {
+                        result = deflateBytesBuffer(zsRef.address(),
+                            inputArray, inputPos, inputLim - inputPos,
+                            outputAddress + outputPos, outputRem,
+                            flush, params);
+                    } finally {
+                        Reference.reachabilityFence(output);
+                    }
+                } else {
+                    byte[] outputArray = ZipUtils.getBufferArray(output);
+                    int outputOffset = ZipUtils.getBufferOffset(output);
+                    result = deflateBytesBytes(zsRef.address(),
+                        inputArray, inputPos, inputLim - inputPos,
+                        outputArray, outputOffset + outputPos, outputRem,
+                        flush, params);
+                }
+            } else {
+                inputPos = input.position();
+                int inputRem = Math.max(input.limit() - inputPos, 0);
+                if (input.isDirect()) {
+                    long inputAddress = ((DirectBuffer) input).address();
+                    try {
+                        if (output.isDirect()) {
+                            long outputAddress = outputPos + ((DirectBuffer) output).address();
+                            try {
+                                result = deflateBufferBuffer(zsRef.address(),
+                                    inputAddress + inputPos, inputRem,
+                                    outputAddress, outputRem,
+                                    flush, params);
+                            } finally {
+                                Reference.reachabilityFence(output);
+                            }
+                        } else {
+                            byte[] outputArray = ZipUtils.getBufferArray(output);
+                            int outputOffset = ZipUtils.getBufferOffset(output);
+                            result = deflateBufferBytes(zsRef.address(),
+                                inputAddress + inputPos, inputRem,
+                                outputArray, outputOffset + outputPos, outputRem,
+                                flush, params);
+                        }
+                    } finally {
+                        Reference.reachabilityFence(input);
+                    }
+                } else {
+                    byte[] inputArray = ZipUtils.getBufferArray(input);
+                    int inputOffset = ZipUtils.getBufferOffset(input);
+                    if (output.isDirect()) {
+                        long outputAddress = ((DirectBuffer) output).address();
+                        try {
+                            result = deflateBytesBuffer(zsRef.address(),
+                                inputArray, inputOffset + inputPos, inputRem,
+                                outputAddress + outputPos, outputRem,
+                                flush, params);
+                        } finally {
+                            Reference.reachabilityFence(output);
+                        }
+                    } else {
+                        byte[] outputArray = ZipUtils.getBufferArray(output);
+                        int outputOffset = ZipUtils.getBufferOffset(output);
+                        result = deflateBytesBytes(zsRef.address(),
+                            inputArray, inputOffset + inputPos, inputRem,
+                            outputArray, outputOffset + outputPos, outputRem,
+                            flush, params);
+                    }
+                }
+            }
+            int read = (int) (result & 0x7fff_ffffL);
+            int written = (int) (result >>> 31 & 0x7fff_ffffL);
+            if ((result >>> 62 & 1) != 0) {
+                finished = true;
+            }
+            if (params != 0 && (result >>> 63 & 1) == 0) {
+                setParams = false;
+            }
+            if (input != null) {
+                input.position(inputPos + read);
+            } else {
+                this.inputPos = inputPos + read;
+            }
+            output.position(outputPos + written);
+            bytesWritten += written;
+            bytesRead += read;
+            return written;
+        }
     }
 
     /**
@@ -541,49 +883,36 @@
             reset(zsRef.address());
             finish = false;
             finished = false;
-            off = len = 0;
+            input = ZipUtils.defaultBuf;
+            inputArray = null;
             bytesRead = bytesWritten = 0;
         }
     }
 
     /**
      * Closes the compressor and discards any unprocessed input.
+     *
      * This method should be called when the compressor is no longer
-     * being used, but will also be called automatically by the
-     * finalize() method. Once this method is called, the behavior
-     * of the Deflater object is undefined.
+     * being used. Once this method is called, the behavior of the
+     * Deflater object is undefined.
      */
     public void end() {
         synchronized (zsRef) {
+            zsRef.clean();
             // Android-added: CloseGuard support.
-            guard.close();
-            long addr = zsRef.address();
-            zsRef.clear();
-            if (addr != 0) {
-                end(addr);
-                buf = null;
+            if (guard != null) {
+                guard.close();
             }
+            input = ZipUtils.defaultBuf;
         }
     }
 
-    /**
-     * Closes the compressor when garbage is collected.
-     */
-    protected void finalize() {
-        // Android-added: CloseGuard support.
-        if (guard != null) {
-            guard.warnIfOpen();
-        }
-        end();
-    }
-
     private void ensureOpen() {
         assert Thread.holdsLock(zsRef);
         if (zsRef.address() == 0)
             throw new NullPointerException("Deflater has been closed");
     }
 
-    // Android-added: this method is from OpenJDK 17.
     /**
      * Returns the value of 'finish' flag.
      * 'finish' will be set to true if def.finish() method is called.
@@ -594,13 +923,60 @@
         }
     }
 
-    // Android-changed: initIDs handled in register method.
-    // private native static void initIDs();
-    private native static long init(int level, int strategy, boolean nowrap);
-    private native static void setDictionary(long addr, byte[] b, int off, int len);
-    private native int deflateBytes(long addr, byte[] b, int off, int len,
-                                    int flush);
-    private native static int getAdler(long addr);
-    private native static void reset(long addr);
-    private native static void end(long addr);
+    private static native long init(int level, int strategy, boolean nowrap);
+    private static native void setDictionary(long addr, byte[] b, int off,
+                                             int len);
+    private static native void setDictionaryBuffer(long addr, long bufAddress, int len);
+    private native long deflateBytesBytes(long addr,
+        byte[] inputArray, int inputOff, int inputLen,
+        byte[] outputArray, int outputOff, int outputLen,
+        int flush, int params);
+    private native long deflateBytesBuffer(long addr,
+        byte[] inputArray, int inputOff, int inputLen,
+        long outputAddress, int outputLen,
+        int flush, int params);
+    private native long deflateBufferBytes(long addr,
+        long inputAddress, int inputLen,
+        byte[] outputArray, int outputOff, int outputLen,
+        int flush, int params);
+    private native long deflateBufferBuffer(long addr,
+        long inputAddress, int inputLen,
+        long outputAddress, int outputLen,
+        int flush, int params);
+    private static native int getAdler(long addr);
+    private static native void reset(long addr);
+    private static native void end(long addr);
+
+    /**
+     * A reference to the native zlib's z_stream structure. It also
+     * serves as the "cleaner" to clean up the native resource when
+     * the Deflater is ended, closed or cleaned.
+     */
+    static class DeflaterZStreamRef implements Runnable {
+
+        private long address;
+        private final Cleanable cleanable;
+
+        private DeflaterZStreamRef(Deflater owner, long addr) {
+            this.cleanable = (owner != null) ? CleanerFactory.cleaner().register(owner, this) : null;
+            this.address = addr;
+        }
+
+        long address() {
+            return address;
+        }
+
+        void clean() {
+            cleanable.clean();
+        }
+
+        public synchronized void run() {
+            long addr = address;
+            address = 0;
+            if (addr != 0) {
+                end(addr);
+            }
+        }
+
+    }
 }
diff --git a/ojluni/src/main/java/java/util/zip/Inflater.java b/ojluni/src/main/java/java/util/zip/Inflater.java
index eb8754e..6e6c83e 100644
--- a/ojluni/src/main/java/java/util/zip/Inflater.java
+++ b/ojluni/src/main/java/java/util/zip/Inflater.java
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2014 The Android Open Source Project
- * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,18 +28,31 @@
 
 import dalvik.annotation.optimization.ReachabilitySensitive;
 import dalvik.system.CloseGuard;
+import java.lang.ref.Cleaner.Cleanable;
+import java.lang.ref.Reference;
+import java.nio.ByteBuffer;
+import java.nio.ReadOnlyBufferException;
+import java.util.Objects;
+
+import jdk.internal.ref.CleanerFactory;
+import sun.nio.ch.DirectBuffer;
 
 /**
  * This class provides support for general purpose decompression using the
  * popular ZLIB compression library. The ZLIB compression library was
  * initially developed as part of the PNG graphics standard and is not
  * protected by patents. It is fully described in the specifications at
- * the <a href="package-summary.html#package_description">java.util.zip
+ * the <a href="package-summary.html#package-description">java.util.zip
  * package description</a>.
- *
- * <p>The following code fragment demonstrates a trivial compression
- * and decompression of a string using <tt>Deflater</tt> and
- * <tt>Inflater</tt>.
+ * <p>
+ * This class inflates sequences of ZLIB compressed bytes. The input byte
+ * sequence is provided in either byte array or byte buffer, via one of the
+ * {@code setInput()} methods. The output byte sequence is written to the
+ * output byte array or byte buffer passed to the {@code deflate()} methods.
+ * <p>
+ * The following code fragment demonstrates a trivial compression
+ * and decompression of a string using {@code Deflater} and
+ * {@code Inflater}.
  *
  * <blockquote><pre>
  * try {
@@ -63,29 +76,32 @@
  *
  *     // Decode the bytes into a String
  *     String outputString = new String(result, 0, resultLength, "UTF-8");
- * } catch(java.io.UnsupportedEncodingException ex) {
+ * } catch (java.io.UnsupportedEncodingException ex) {
  *     // handle
  * } catch (java.util.zip.DataFormatException ex) {
  *     // handle
  * }
  * </pre></blockquote>
  *
+ * @apiNote
+ * To release resources used by this {@code Inflater}, the {@link #end()} method
+ * should be called explicitly. Subclasses are responsible for the cleanup of resources
+ * acquired by the subclass. Subclasses that override {@link #finalize()} in order
+ * to perform cleanup should be modified to use alternative cleanup mechanisms such
+ * as {@link java.lang.ref.Cleaner} and remove the overriding {@code finalize} method.
+ *
  * @see         Deflater
  * @author      David Connelly
+ * @since 1.1
  *
  */
-public
-class Inflater {
 
-    // Android-added: @ReachabilitySensitive
-    // Finalization clears zsRef, and thus can't be allowed to occur early.
-    // Unlike some other CloseGuard uses, the spec allows clients to rely on finalization
-    // here.  Thus dropping a deflater without calling end() should work correctly.
-    // It thus does not suffice to just rely on the CloseGuard annotation.
-    @ReachabilitySensitive
-    private final ZStreamRef zsRef;
-    private byte[] buf = defaultBuf;
-    private int off, len;
+public class Inflater {
+
+    private final InflaterZStreamRef zsRef;
+    private ByteBuffer input = ZipUtils.defaultBuf;
+    private byte[] inputArray;
+    private int inputPos, inputLim;
     private boolean finished;
     private boolean needDict;
     private long bytesRead;
@@ -95,12 +111,17 @@
     @ReachabilitySensitive
     private final CloseGuard guard = CloseGuard.get();
 
-    private static final byte[] defaultBuf = new byte[0];
+    /*
+     * These fields are used as an "out" parameter from JNI when a
+     * DataFormatException is thrown during the inflate operation.
+     */
+    private int inputConsumed;
+    private int outputConsumed;
 
     // Android-removed: initIDs handled in register method.
     /*
     static {
-        /* Zip library is loaded from System.initializeSystemClass *
+        ZipUtils.loadLibrary();
         initIDs();
     }
     */
@@ -117,7 +138,7 @@
      * @param nowrap if true then support GZIP compatible compression
      */
     public Inflater(boolean nowrap) {
-        zsRef = new ZStreamRef(init(nowrap));
+        this.zsRef = new InflaterZStreamRef(this, init(nowrap));
         // Android-added: CloseGuard support.
         guard.open("end");
     }
@@ -130,37 +151,71 @@
     }
 
     /**
-     * Sets input data for decompression. Should be called whenever
-     * needsInput() returns true indicating that more input data is
-     * required.
-     * @param b the input data bytes
+     * Sets input data for decompression.
+     * <p>
+     * One of the {@code setInput()} methods should be called whenever
+     * {@code needsInput()} returns true indicating that more input data
+     * is required.
+     *
+     * @param input the input data bytes
      * @param off the start offset of the input data
      * @param len the length of the input data
      * @see Inflater#needsInput
      */
-    public void setInput(byte[] b, int off, int len) {
-        if (b == null) {
-            throw new NullPointerException();
-        }
-        if (off < 0 || len < 0 || off > b.length - len) {
+    public void setInput(byte[] input, int off, int len) {
+        if (off < 0 || len < 0 || off > input.length - len) {
             throw new ArrayIndexOutOfBoundsException();
         }
         synchronized (zsRef) {
-            this.buf = b;
-            this.off = off;
-            this.len = len;
+            this.input = null;
+            this.inputArray = input;
+            this.inputPos = off;
+            this.inputLim = off + len;
         }
     }
 
     /**
-     * Sets input data for decompression. Should be called whenever
-     * needsInput() returns true indicating that more input data is
-     * required.
-     * @param b the input data bytes
+     * Sets input data for decompression.
+     * <p>
+     * One of the {@code setInput()} methods should be called whenever
+     * {@code needsInput()} returns true indicating that more input data
+     * is required.
+     *
+     * @param input the input data bytes
      * @see Inflater#needsInput
      */
-    public void setInput(byte[] b) {
-        setInput(b, 0, b.length);
+    public void setInput(byte[] input) {
+        setInput(input, 0, input.length);
+    }
+
+    /**
+     * Sets input data for decompression.
+     * <p>
+     * One of the {@code setInput()} methods should be called whenever
+     * {@code needsInput()} returns true indicating that more input data
+     * is required.
+     * <p>
+     * The given buffer's position will be advanced as inflate
+     * operations are performed, up to the buffer's limit.
+     * The input buffer may be modified (refilled) between inflate
+     * operations; doing so is equivalent to creating a new buffer
+     * and setting it with this method.
+     * <p>
+     * Modifying the input buffer's contents, position, or limit
+     * concurrently with an inflate operation will result in
+     * undefined behavior, which may include incorrect operation
+     * results or operation failure.
+     *
+     * @param input the input data bytes
+     * @see Inflater#needsInput
+     * @since 11
+     */
+    public void setInput(ByteBuffer input) {
+        Objects.requireNonNull(input);
+        synchronized (zsRef) {
+            this.input = input;
+            this.inputArray = null;
+        }
     }
 
     /**
@@ -168,22 +223,19 @@
      * called when inflate() returns 0 and needsDictionary() returns true
      * indicating that a preset dictionary is required. The method getAdler()
      * can be used to get the Adler-32 value of the dictionary needed.
-     * @param b the dictionary data bytes
+     * @param dictionary the dictionary data bytes
      * @param off the start offset of the data
      * @param len the length of the data
      * @see Inflater#needsDictionary
      * @see Inflater#getAdler
      */
-    public void setDictionary(byte[] b, int off, int len) {
-        if (b == null) {
-            throw new NullPointerException();
-        }
-        if (off < 0 || len < 0 || off > b.length - len) {
+    public void setDictionary(byte[] dictionary, int off, int len) {
+        if (off < 0 || len < 0 || off > dictionary.length - len) {
             throw new ArrayIndexOutOfBoundsException();
         }
         synchronized (zsRef) {
             ensureOpen();
-            setDictionary(zsRef.address(), b, off, len);
+            setDictionary(zsRef.address(), dictionary, off, len);
             needDict = false;
         }
     }
@@ -193,12 +245,48 @@
      * called when inflate() returns 0 and needsDictionary() returns true
      * indicating that a preset dictionary is required. The method getAdler()
      * can be used to get the Adler-32 value of the dictionary needed.
-     * @param b the dictionary data bytes
+     * @param dictionary the dictionary data bytes
      * @see Inflater#needsDictionary
      * @see Inflater#getAdler
      */
-    public void setDictionary(byte[] b) {
-        setDictionary(b, 0, b.length);
+    public void setDictionary(byte[] dictionary) {
+        setDictionary(dictionary, 0, dictionary.length);
+    }
+
+    /**
+     * Sets the preset dictionary to the bytes in the given buffer. Should be
+     * called when inflate() returns 0 and needsDictionary() returns true
+     * indicating that a preset dictionary is required. The method getAdler()
+     * can be used to get the Adler-32 value of the dictionary needed.
+     * <p>
+     * The bytes in given byte buffer will be fully consumed by this method.  On
+     * return, its position will equal its limit.
+     *
+     * @param dictionary the dictionary data bytes
+     * @see Inflater#needsDictionary
+     * @see Inflater#getAdler
+     * @since 11
+     */
+    public void setDictionary(ByteBuffer dictionary) {
+        synchronized (zsRef) {
+            int position = dictionary.position();
+            int remaining = Math.max(dictionary.limit() - position, 0);
+            ensureOpen();
+            if (dictionary.isDirect()) {
+                long address = ((DirectBuffer) dictionary).address();
+                try {
+                    setDictionaryBuffer(zsRef.address(), address + position, remaining);
+                } finally {
+                    Reference.reachabilityFence(dictionary);
+                }
+            } else {
+                byte[] array = ZipUtils.getBufferArray(dictionary);
+                int offset = ZipUtils.getBufferOffset(dictionary);
+                setDictionary(zsRef.address(), array, offset + position, remaining);
+            }
+            dictionary.position(position + remaining);
+            needDict = false;
+        }
     }
 
     /**
@@ -209,19 +297,22 @@
      */
     public int getRemaining() {
         synchronized (zsRef) {
-            return len;
+            ByteBuffer input = this.input;
+            return input == null ? inputLim - inputPos : input.remaining();
         }
     }
 
     /**
      * Returns true if no data remains in the input buffer. This can
-     * be used to determine if #setInput should be called in order
-     * to provide more input.
+     * be used to determine if one of the {@code setInput()} methods should be
+     * called in order to provide more input.
+     *
      * @return true if no data remains in the input buffer
      */
     public boolean needsInput() {
         synchronized (zsRef) {
-            return len <= 0;
+            ByteBuffer input = this.input;
+            return input == null ? inputLim == inputPos : ! input.hasRemaining();
         }
     }
 
@@ -255,30 +346,103 @@
      * determine if more input data or a preset dictionary is required.
      * In the latter case, getAdler() can be used to get the Adler-32
      * value of the dictionary required.
-     * @param b the buffer for the uncompressed data
+     * <p>
+     * If the {@link #setInput(ByteBuffer)} method was called to provide a buffer
+     * for input, the input buffer's position will be advanced by the number of bytes
+     * consumed by this operation, even in the event that a {@link DataFormatException}
+     * is thrown.
+     * <p>
+     * The {@linkplain #getRemaining() remaining byte count} will be reduced by
+     * the number of consumed input bytes.  If the {@link #setInput(ByteBuffer)}
+     * method was called to provide a buffer for input, the input buffer's position
+     * will be advanced the number of consumed bytes.
+     * <p>
+     * These byte totals, as well as
+     * the {@linkplain #getBytesRead() total bytes read}
+     * and the {@linkplain #getBytesWritten() total bytes written}
+     * values, will be updated even in the event that a {@link DataFormatException}
+     * is thrown to reflect the amount of data consumed and produced before the
+     * exception occurred.
+     *
+     * @param output the buffer for the uncompressed data
      * @param off the start offset of the data
      * @param len the maximum number of uncompressed bytes
      * @return the actual number of uncompressed bytes
-     * @exception DataFormatException if the compressed data format is invalid
+     * @throws DataFormatException if the compressed data format is invalid
      * @see Inflater#needsInput
      * @see Inflater#needsDictionary
      */
-    public int inflate(byte[] b, int off, int len)
+    public int inflate(byte[] output, int off, int len)
         throws DataFormatException
     {
-        if (b == null) {
-            throw new NullPointerException();
-        }
-        if (off < 0 || len < 0 || off > b.length - len) {
+        if (off < 0 || len < 0 || off > output.length - len) {
             throw new ArrayIndexOutOfBoundsException();
         }
         synchronized (zsRef) {
             ensureOpen();
-            int thisLen = this.len;
-            int n = inflateBytes(zsRef.address(), b, off, len);
-            bytesWritten += n;
-            bytesRead += (thisLen - this.len);
-            return n;
+            ByteBuffer input = this.input;
+            long result;
+            int inputPos;
+            try {
+                if (input == null) {
+                    inputPos = this.inputPos;
+                    try {
+                        result = inflateBytesBytes(zsRef.address(),
+                            inputArray, inputPos, inputLim - inputPos,
+                            output, off, len);
+                    } catch (DataFormatException e) {
+                        this.inputPos = inputPos + inputConsumed;
+                        throw e;
+                    }
+                } else {
+                    inputPos = input.position();
+                    try {
+                        int inputRem = Math.max(input.limit() - inputPos, 0);
+                        if (input.isDirect()) {
+                            try {
+                                long inputAddress = ((DirectBuffer) input).address();
+                                result = inflateBufferBytes(zsRef.address(),
+                                    inputAddress + inputPos, inputRem,
+                                    output, off, len);
+                            } finally {
+                                Reference.reachabilityFence(input);
+                            }
+                        } else {
+                            byte[] inputArray = ZipUtils.getBufferArray(input);
+                            int inputOffset = ZipUtils.getBufferOffset(input);
+                            result = inflateBytesBytes(zsRef.address(),
+                                inputArray, inputOffset + inputPos, inputRem,
+                                output, off, len);
+                        }
+                    } catch (DataFormatException e) {
+                        input.position(inputPos + inputConsumed);
+                        throw e;
+                    }
+                }
+            } catch (DataFormatException e) {
+                bytesRead += inputConsumed;
+                inputConsumed = 0;
+                int written = outputConsumed;
+                bytesWritten += written;
+                outputConsumed = 0;
+                throw e;
+            }
+            int read = (int) (result & 0x7fff_ffffL);
+            int written = (int) (result >>> 31 & 0x7fff_ffffL);
+            if ((result >>> 62 & 1) != 0) {
+                finished = true;
+            }
+            if ((result >>> 63 & 1) != 0) {
+                needDict = true;
+            }
+            if (input != null) {
+                input.position(inputPos + read);
+            } else {
+                this.inputPos = inputPos + read;
+            }
+            bytesWritten += written;
+            bytesRead += read;
+            return written;
         }
     }
 
@@ -289,14 +453,177 @@
      * determine if more input data or a preset dictionary is required.
      * In the latter case, getAdler() can be used to get the Adler-32
      * value of the dictionary required.
-     * @param b the buffer for the uncompressed data
+     * <p>
+     * The {@linkplain #getRemaining() remaining byte count} will be reduced by
+     * the number of consumed input bytes.  If the {@link #setInput(ByteBuffer)}
+     * method was called to provide a buffer for input, the input buffer's position
+     * will be advanced the number of consumed bytes.
+     * <p>
+     * These byte totals, as well as
+     * the {@linkplain #getBytesRead() total bytes read}
+     * and the {@linkplain #getBytesWritten() total bytes written}
+     * values, will be updated even in the event that a {@link DataFormatException}
+     * is thrown to reflect the amount of data consumed and produced before the
+     * exception occurred.
+     *
+     * @param output the buffer for the uncompressed data
      * @return the actual number of uncompressed bytes
-     * @exception DataFormatException if the compressed data format is invalid
+     * @throws DataFormatException if the compressed data format is invalid
      * @see Inflater#needsInput
      * @see Inflater#needsDictionary
      */
-    public int inflate(byte[] b) throws DataFormatException {
-        return inflate(b, 0, b.length);
+    public int inflate(byte[] output) throws DataFormatException {
+        return inflate(output, 0, output.length);
+    }
+
+    /**
+     * Uncompresses bytes into specified buffer. Returns actual number
+     * of bytes uncompressed. A return value of 0 indicates that
+     * needsInput() or needsDictionary() should be called in order to
+     * determine if more input data or a preset dictionary is required.
+     * In the latter case, getAdler() can be used to get the Adler-32
+     * value of the dictionary required.
+     * <p>
+     * On success, the position of the given {@code output} byte buffer will be
+     * advanced by as many bytes as were produced by the operation, which is equal
+     * to the number returned by this method.  Note that the position of the
+     * {@code output} buffer will be advanced even in the event that a
+     * {@link DataFormatException} is thrown.
+     * <p>
+     * The {@linkplain #getRemaining() remaining byte count} will be reduced by
+     * the number of consumed input bytes.  If the {@link #setInput(ByteBuffer)}
+     * method was called to provide a buffer for input, the input buffer's position
+     * will be advanced the number of consumed bytes.
+     * <p>
+     * These byte totals, as well as
+     * the {@linkplain #getBytesRead() total bytes read}
+     * and the {@linkplain #getBytesWritten() total bytes written}
+     * values, will be updated even in the event that a {@link DataFormatException}
+     * is thrown to reflect the amount of data consumed and produced before the
+     * exception occurred.
+     *
+     * @param output the buffer for the uncompressed data
+     * @return the actual number of uncompressed bytes
+     * @throws DataFormatException if the compressed data format is invalid
+     * @throws ReadOnlyBufferException if the given output buffer is read-only
+     * @see Inflater#needsInput
+     * @see Inflater#needsDictionary
+     * @since 11
+     */
+    public int inflate(ByteBuffer output) throws DataFormatException {
+        if (output.isReadOnly()) {
+            throw new ReadOnlyBufferException();
+        }
+        synchronized (zsRef) {
+            ensureOpen();
+            ByteBuffer input = this.input;
+            long result;
+            int inputPos;
+            int outputPos = output.position();
+            int outputRem = Math.max(output.limit() - outputPos, 0);
+            try {
+                if (input == null) {
+                    inputPos = this.inputPos;
+                    try {
+                        if (output.isDirect()) {
+                            long outputAddress = ((DirectBuffer) output).address();
+                            try {
+                                result = inflateBytesBuffer(zsRef.address(),
+                                    inputArray, inputPos, inputLim - inputPos,
+                                    outputAddress + outputPos, outputRem);
+                            } finally {
+                                Reference.reachabilityFence(output);
+                            }
+                        } else {
+                            byte[] outputArray = ZipUtils.getBufferArray(output);
+                            int outputOffset = ZipUtils.getBufferOffset(output);
+                            result = inflateBytesBytes(zsRef.address(),
+                                inputArray, inputPos, inputLim - inputPos,
+                                outputArray, outputOffset + outputPos, outputRem);
+                        }
+                    } catch (DataFormatException e) {
+                        this.inputPos = inputPos + inputConsumed;
+                        throw e;
+                    }
+                } else {
+                    inputPos = input.position();
+                    int inputRem = Math.max(input.limit() - inputPos, 0);
+                    try {
+                        if (input.isDirect()) {
+                            long inputAddress = ((DirectBuffer) input).address();
+                            try {
+                                if (output.isDirect()) {
+                                    long outputAddress = ((DirectBuffer) output).address();
+                                    try {
+                                        result = inflateBufferBuffer(zsRef.address(),
+                                            inputAddress + inputPos, inputRem,
+                                            outputAddress + outputPos, outputRem);
+                                    } finally {
+                                        Reference.reachabilityFence(output);
+                                    }
+                                } else {
+                                    byte[] outputArray = ZipUtils.getBufferArray(output);
+                                    int outputOffset = ZipUtils.getBufferOffset(output);
+                                    result = inflateBufferBytes(zsRef.address(),
+                                        inputAddress + inputPos, inputRem,
+                                        outputArray, outputOffset + outputPos, outputRem);
+                                }
+                            } finally {
+                                Reference.reachabilityFence(input);
+                            }
+                        } else {
+                            byte[] inputArray = ZipUtils.getBufferArray(input);
+                            int inputOffset = ZipUtils.getBufferOffset(input);
+                            if (output.isDirect()) {
+                                long outputAddress = ((DirectBuffer) output).address();
+                                try {
+                                    result = inflateBytesBuffer(zsRef.address(),
+                                        inputArray, inputOffset + inputPos, inputRem,
+                                        outputAddress + outputPos, outputRem);
+                                } finally {
+                                    Reference.reachabilityFence(output);
+                                }
+                            } else {
+                                byte[] outputArray = ZipUtils.getBufferArray(output);
+                                int outputOffset = ZipUtils.getBufferOffset(output);
+                                result = inflateBytesBytes(zsRef.address(),
+                                    inputArray, inputOffset + inputPos, inputRem,
+                                    outputArray, outputOffset + outputPos, outputRem);
+                            }
+                        }
+                    } catch (DataFormatException e) {
+                        input.position(inputPos + inputConsumed);
+                        throw e;
+                    }
+                }
+            } catch (DataFormatException e) {
+                bytesRead += inputConsumed;
+                inputConsumed = 0;
+                int written = outputConsumed;
+                output.position(outputPos + written);
+                bytesWritten += written;
+                outputConsumed = 0;
+                throw e;
+            }
+            int read = (int) (result & 0x7fff_ffffL);
+            int written = (int) (result >>> 31 & 0x7fff_ffffL);
+            if ((result >>> 62 & 1) != 0) {
+                finished = true;
+            }
+            if ((result >>> 63 & 1) != 0) {
+                needDict = true;
+            }
+            if (input != null) {
+                input.position(inputPos + read);
+            } else {
+                this.inputPos = inputPos + read;
+            }
+            // Note: this method call also serves to keep the byteBuffer ref alive
+            output.position(outputPos + written);
+            bytesWritten += written;
+            bytesRead += read;
+            return written;
+        }
     }
 
     /**
@@ -369,46 +696,33 @@
         synchronized (zsRef) {
             ensureOpen();
             reset(zsRef.address());
-            buf = defaultBuf;
+            // Android-added: CloseGuard support.
+            guard.close();
+            input = ZipUtils.defaultBuf;
+            inputArray = null;
             finished = false;
             needDict = false;
-            off = len = 0;
             bytesRead = bytesWritten = 0;
         }
     }
 
     /**
      * Closes the decompressor and discards any unprocessed input.
+     *
      * This method should be called when the decompressor is no longer
-     * being used, but will also be called automatically by the finalize()
-     * method. Once this method is called, the behavior of the Inflater
-     * object is undefined.
+     * being used. Once this method is called, the behavior of the
+     * Inflater object is undefined.
      */
     public void end() {
         synchronized (zsRef) {
+            zsRef.clean();
             // Android-added: CloseGuard support.
             guard.close();
-
-            long addr = zsRef.address();
-            zsRef.clear();
-            if (addr != 0) {
-                end(addr);
-                buf = null;
-            }
+            input = ZipUtils.defaultBuf;
+            inputArray = null;
         }
     }
 
-    /**
-     * Closes the decompressor when garbage is collected.
-     */
-    protected void finalize() {
-        // Android-added: CloseGuard support.
-        if (guard != null) {
-            guard.warnIfOpen();
-        }
-
-        end();
-    }
 
     private void ensureOpen () {
         assert Thread.holdsLock(zsRef);
@@ -416,20 +730,58 @@
             throw new NullPointerException("Inflater has been closed");
     }
 
-    boolean ended() {
-        synchronized (zsRef) {
-            return zsRef.address() == 0;
-        }
-    }
-
     // Android-changed: initIDs handled in register method.
     // private native static void initIDs();
-    private native static long init(boolean nowrap);
-    private native static void setDictionary(long addr, byte[] b, int off,
+    private static native long init(boolean nowrap);
+    private static native void setDictionary(long addr, byte[] b, int off,
                                              int len);
-    private native int inflateBytes(long addr, byte[] b, int off, int len)
-            throws DataFormatException;
-    private native static int getAdler(long addr);
-    private native static void reset(long addr);
-    private native static void end(long addr);
+    private static native void setDictionaryBuffer(long addr, long bufAddress, int len);
+    private native long inflateBytesBytes(long addr,
+        byte[] inputArray, int inputOff, int inputLen,
+        byte[] outputArray, int outputOff, int outputLen) throws DataFormatException;
+    private native long inflateBytesBuffer(long addr,
+        byte[] inputArray, int inputOff, int inputLen,
+        long outputAddress, int outputLen) throws DataFormatException;
+    private native long inflateBufferBytes(long addr,
+        long inputAddress, int inputLen,
+        byte[] outputArray, int outputOff, int outputLen) throws DataFormatException;
+    private native long inflateBufferBuffer(long addr,
+        long inputAddress, int inputLen,
+        long outputAddress, int outputLen) throws DataFormatException;
+    private static native int getAdler(long addr);
+    private static native void reset(long addr);
+    private static native void end(long addr);
+
+    /**
+     * A reference to the native zlib's z_stream structure. It also
+     * serves as the "cleaner" to clean up the native resource when
+     * the Inflater is ended, closed or cleaned.
+     */
+    static class InflaterZStreamRef implements Runnable {
+
+        private long address;
+        private final Cleanable cleanable;
+
+        private InflaterZStreamRef(Inflater owner, long addr) {
+            this.cleanable = (owner != null) ? CleanerFactory.cleaner().register(owner, this) : null;
+            this.address = addr;
+        }
+
+        long address() {
+            return address;
+        }
+
+        void clean() {
+            cleanable.clean();
+        }
+
+        public synchronized void run() {
+            long addr = address;
+            address = 0;
+            if (addr != 0) {
+                end(addr);
+            }
+        }
+
+    }
 }
diff --git a/ojluni/src/main/java/java/util/zip/InflaterInputStream.java b/ojluni/src/main/java/java/util/zip/InflaterInputStream.java
index fbbbc94..0eb85ad 100644
--- a/ojluni/src/main/java/java/util/zip/InflaterInputStream.java
+++ b/ojluni/src/main/java/java/util/zip/InflaterInputStream.java
@@ -84,6 +84,29 @@
         }
     }
 
+    // Android-added: constructor which explicitly sets whether Inflater is owned by this stream.
+    /**
+     * Creates a new input stream with the specified decompressor and
+     * buffer size.
+     * @param in the input stream
+     * @param inf the decompressor ("inflater")
+     * @param size the input buffer size
+     * @param ownsInflater whether this {@code InflaterInputStream} controls its inflater
+     *                     lifetime and should call {@link Inflater#end} when it is closed.
+     * @throws    IllegalArgumentException if {@code size <= 0}
+     * @hide
+     */
+    InflaterInputStream(InputStream in, Inflater inf, int size, boolean ownsInflater) {
+        super(in);
+        if (in == null || inf == null) {
+            throw new NullPointerException();
+        } else if (size <= 0) {
+            throw new IllegalArgumentException("buffer size <= 0");
+        }
+        this.inf = inf;
+        buf = new byte[size];
+        this.ownsInflater = ownsInflater;
+    }
 
     /**
      * Creates a new input stream with the specified decompressor and
@@ -94,6 +117,8 @@
      * @throws    IllegalArgumentException if {@code size <= 0}
      */
     public InflaterInputStream(InputStream in, Inflater inf, int size) {
+        // Android-changed: refer initialization to constructor which specifies ownInflater.
+        /*
         super(in);
         if (in == null || inf == null) {
             throw new NullPointerException();
@@ -102,6 +127,8 @@
         }
         this.inf = inf;
         buf = new byte[size];
+        */
+        this(in, inf, size, /* ownsInflater= */ true);
     }
 
     /**
@@ -118,6 +145,12 @@
     // See http://b/111630946 for more details.
     // boolean usesDefaultInflater = false;
 
+    // Android-added: functionally this is identical to usesDefaultInflater, but re-using
+    // it will be confusing. Setting it to true keeps old Android behaviour.
+    // This is added just for ZipFileInflaterInputStream - moving to usesDefaultInflater
+    // is trickier.
+    private final boolean ownsInflater;
+
     /**
      * Creates a new input stream with a default decompressor and buffer size.
      * @param in the input stream
@@ -245,9 +278,17 @@
      */
     public void close() throws IOException {
         if (!closed) {
-            // Android-changed: Unconditionally close external inflaters (b/26462400)
-            //if (usesDefaultInflater)
-            inf.end();
+            // BEGIN Android-changed: close inflater only if it is owned by this
+            // InflaterInputStream. (b/26462400)
+            /*
+            if (usesDefaultInflater)
+                inf.end();
+            */
+            if (ownsInflater) {
+                inf.end();
+            }
+            // END Android-changed: close inflater only if it is owned by this
+            // InflaterInputStream. (b/26462400)
             in.close();
             closed = true;
         }
diff --git a/ojluni/src/main/java/java/util/zip/ZipFile.java b/ojluni/src/main/java/java/util/zip/ZipFile.java
index 4f548a4..4c77de5 100644
--- a/ojluni/src/main/java/java/util/zip/ZipFile.java
+++ b/ojluni/src/main/java/java/util/zip/ZipFile.java
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2014 The Android Open Source Project
- * Copyright (c) 1995, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,70 +32,84 @@
 import java.io.EOFException;
 import java.io.File;
 import java.io.FileNotFoundException;
+import java.io.RandomAccessFile;
+import java.io.UncheckedIOException;
+import java.lang.ref.Cleaner.Cleanable;
+import java.nio.charset.CharacterCodingException;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.InvalidPathException;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.Files;
 import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.Deque;
 import java.util.Enumeration;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
-import java.util.Map;
+import java.util.List;
+import java.util.Locale;
+import java.util.Objects;
 import java.util.NoSuchElementException;
+import java.util.Set;
 import java.util.Spliterator;
 import java.util.Spliterators;
+import java.util.TreeSet;
 import java.util.WeakHashMap;
+import java.util.function.Consumer;
+import java.util.function.IntFunction;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
+import jdk.internal.access.SharedSecrets;
+import jdk.internal.misc.VM;
+import jdk.internal.ref.CleanerFactory;
+import jdk.internal.vm.annotation.Stable;
+import sun.security.util.SignatureFileVerifier;
 
 import dalvik.system.CloseGuard;
 import dalvik.system.ZipPathValidator;
 
 import static java.util.zip.ZipConstants64.*;
+import static java.util.zip.ZipUtils.*;
 
 /**
  * This class is used to read entries from a zip file.
  *
- * <p> Unless otherwise noted, passing a <tt>null</tt> argument to a constructor
+ * <p> Unless otherwise noted, passing a {@code null} argument to a constructor
  * or method in this class will cause a {@link NullPointerException} to be
  * thrown.
  *
+ * @apiNote
+ * To release resources used by this {@code ZipFile}, the {@link #close()} method
+ * should be called explicitly or by try-with-resources. Subclasses are responsible
+ * for the cleanup of resources acquired by the subclass. Subclasses that override
+ * {@link #finalize()} in order to perform cleanup should be modified to use alternative
+ * cleanup mechanisms such as {@link java.lang.ref.Cleaner} and remove the overriding
+ * {@code finalize} method.
+ *
  * @author      David Connelly
+ * @since 1.1
  */
-public
-class ZipFile implements ZipConstants, Closeable {
-    // Android-note: jzfile does not require @ReachabilitySensitive annotation.
-    // The @ReachabilitySensitive annotation is usually added to instance fields that references
-    // native data that is cleaned up when the instance becomes unreachable. Its presence ensures
-    // that the instance object is not finalized until the field is no longer used. Without it an
-    // instance could be finalized during execution of an instance method iff that method's this
-    // variable holds the last reference to the instance and the method had copied all the fields
-    // it needs out of the instance. That would release the native data, invalidating its reference
-    // and would cause serious problems if the method had taken a copy of that field and
-    // then called a native method that would try to use it.
-    //
-    // This field does not require the annotation because all usages of this field are enclosed
-    // within a synchronized(this) block and finalizing of the object referenced in a synchronized
-    // block is not allowed as that would release its monitor that is currently in use.
-    private long jzfile;  // address of jzfile data
+public class ZipFile implements ZipConstants, Closeable {
+
     private final String name;     // zip file name
-    private final int total;       // total number of entries
-    private final boolean locsig;  // if zip file starts with LOCSIG (usually true)
-    private volatile boolean closeRequested = false;
+    private volatile boolean closeRequested;
+
+    // The "resource" used by this zip file that needs to be
+    // cleaned after use.
+    // a) the input streams that need to be closed
+    // b) the list of cached Inflater objects
+    // c) the "native" source of this zip file.
+    private final @Stable CleanableResource res;
 
     // Android-added: CloseGuard support.
     private final CloseGuard guard = CloseGuard.get();
 
-    // Android-added: Do not use unlink() to implement OPEN_DELETE.
-    // Upstream uses unlink() to cause the file name to be removed from the filesystem after it is
-    // opened but that does not work on fuse fs as it causes problems with lseek. Android simply
-    // keeps a reference to the File so that it can explicitly delete it during close.
-    //
-    // OpenJDK 9+181 has a pure Java implementation of ZipFile that does not use unlink() and
-    // instead does something very similar to what Android does. If Android adopts it then this
-    // patch can be dropped.
-    // See http://b/28950284 and http://b/28901232 for more details.
-    private final File fileToRemoveOnClose;
-
     private static final int STORED = ZipEntry.STORED;
     private static final int DEFLATED = ZipEntry.DEFLATED;
 
@@ -108,44 +122,17 @@
      * Mode flag to open a zip file and mark it for deletion.  The file will be
      * deleted some time between the moment that it is opened and the moment
      * that it is closed, but its contents will remain accessible via the
-     * <tt>ZipFile</tt> object until either the close method is invoked or the
+     * {@code ZipFile} object until either the close method is invoked or the
      * virtual machine exits.
      */
     public static final int OPEN_DELETE = 0x4;
 
-    // Android-removed: initIDs() not used on Android.
-    /*
-    static {
-        /* Zip library is loaded from System.initializeSystemClass *
-        initIDs();
-    }
-
-    private static native void initIDs();
-    */
-
-    private static final boolean usemmap;
-
-    // Android-added: An instance variable that determines if zip path validation should be enabled.
-    private final boolean isZipPathValidatorEnabled;
-
-    static {
-        // Android-changed: Always use mmap.
-        /*
-        // A system prpperty to disable mmap use to avoid vm crash when
-        // in-use zip file is accidently overwritten by others.
-        String prop = sun.misc.VM.getSavedProperty("sun.zip.disableMemoryMapping");
-        usemmap = (prop == null ||
-                   !(prop.length() == 0 || prop.equalsIgnoreCase("true")));
-        */
-        usemmap = true;
-    }
-
     // Android-changed: Additional ZipException throw scenario with ZipPathValidator.
     /**
      * Opens a zip file for reading.
      *
-     * <p>First, if there is a security manager, its <code>checkRead</code>
-     * method is called with the <code>name</code> argument as its argument
+     * <p>First, if there is a security manager, its {@code checkRead}
+     * method is called with the {@code name} argument as its argument
      * to ensure the read is allowed.
      *
      * <p>The UTF-8 {@link java.nio.charset.Charset charset} is used to
@@ -161,7 +148,7 @@
      *         and (the <code>name</code> argument contains ".." or starts with "/").
      * @throws IOException if an I/O error has occurred
      * @throws SecurityException if a security manager exists and its
-     *         <code>checkRead</code> method doesn't allow read access to the file.
+     *         {@code checkRead} method doesn't allow read access to the file.
      *
      * @see SecurityManager#checkRead(java.lang.String)
      */
@@ -170,12 +157,12 @@
     }
 
     /**
-     * Opens a new <code>ZipFile</code> to read from the specified
-     * <code>File</code> object in the specified mode.  The mode argument
-     * must be either <tt>OPEN_READ</tt> or <tt>OPEN_READ | OPEN_DELETE</tt>.
+     * Opens a new {@code ZipFile} to read from the specified
+     * {@code File} object in the specified mode.  The mode argument
+     * must be either {@code OPEN_READ} or {@code OPEN_READ | OPEN_DELETE}.
      *
-     * <p>First, if there is a security manager, its <code>checkRead</code>
-     * method is called with the <code>name</code> argument as its argument to
+     * <p>First, if there is a security manager, its {@code checkRead}
+     * method is called with the {@code name} argument as its argument to
      * ensure the read is allowed.
      *
      * <p>The UTF-8 {@link java.nio.charset.Charset charset} is used to
@@ -186,15 +173,17 @@
      * @throws ZipException if a ZIP format error has occurred
      * @throws IOException if an I/O error has occurred
      * @throws SecurityException if a security manager exists and
-     *         its <code>checkRead</code> method
+     *         its {@code checkRead} method
      *         doesn't allow read access to the file,
-     *         or its <code>checkDelete</code> method doesn't allow deleting
-     *         the file when the <tt>OPEN_DELETE</tt> flag is set.
-     * @throws IllegalArgumentException if the <tt>mode</tt> argument is invalid
+     *         or its {@code checkDelete} method doesn't allow deleting
+     *         the file when the {@code OPEN_DELETE} flag is set.
+     * @throws IllegalArgumentException if the {@code mode} argument is invalid
      * @see SecurityManager#checkRead(java.lang.String)
      * @since 1.3
      */
     public ZipFile(File file, int mode) throws IOException {
+        // Android-changed: Use StandardCharsets.UTF_8.
+        // this(file, mode, UTF_8.INSTANCE);
         this(file, mode, StandardCharsets.UTF_8);
     }
 
@@ -212,16 +201,14 @@
         this(file, OPEN_READ);
     }
 
-    private ZipCoder zc;
-
     // Android-changed: Use of the hidden constructor with a new argument for zip path validation.
     /**
-     * Opens a new <code>ZipFile</code> to read from the specified
-     * <code>File</code> object in the specified mode.  The mode argument
-     * must be either <tt>OPEN_READ</tt> or <tt>OPEN_READ | OPEN_DELETE</tt>.
+     * Opens a new {@code ZipFile} to read from the specified
+     * {@code File} object in the specified mode.  The mode argument
+     * must be either {@code OPEN_READ} or {@code OPEN_READ | OPEN_DELETE}.
      *
-     * <p>First, if there is a security manager, its <code>checkRead</code>
-     * method is called with the <code>name</code> argument as its argument to
+     * <p>First, if there is a security manager, its {@code checkRead}
+     * method is called with the {@code name} argument as its argument to
      * ensure the read is allowed.
      *
      * @param file the ZIP file to be opened for reading
@@ -236,12 +223,12 @@
      * @throws IOException if an I/O error has occurred
      *
      * @throws SecurityException
-     *         if a security manager exists and its <code>checkRead</code>
+     *         if a security manager exists and its {@code checkRead}
      *         method doesn't allow read access to the file,or its
-     *         <code>checkDelete</code> method doesn't allow deleting the
-     *         file when the <tt>OPEN_DELETE</tt> flag is set
+     *         {@code checkDelete} method doesn't allow deleting the
+     *         file when the {@code OPEN_DELETE} flag is set
      *
-     * @throws IllegalArgumentException if the <tt>mode</tt> argument is invalid
+     * @throws IllegalArgumentException if the {@code mode} argument is invalid
      *
      * @see SecurityManager#checkRead(java.lang.String)
      *
@@ -264,15 +251,16 @@
     /** @hide */
     public ZipFile(File file, int mode, Charset charset, boolean enableZipPathValidator)
             throws IOException {
-        isZipPathValidatorEnabled = enableZipPathValidator && !ZipPathValidator.isClear();
         if (((mode & OPEN_READ) == 0) ||
             ((mode & ~(OPEN_READ | OPEN_DELETE)) != 0)) {
             throw new IllegalArgumentException("Illegal mode: 0x"+
                                                Integer.toHexString(mode));
         }
         String name = file.getPath();
+        file = new File(name);
         // Android-removed: SecurityManager is always null.
         /*
+        @SuppressWarnings("removal")
         SecurityManager sm = System.getSecurityManager();
         if (sm != null) {
             sm.checkRead(name);
@@ -282,30 +270,28 @@
         }
         */
 
-        // Android-added: Do not use unlink() to implement OPEN_DELETE.
-        fileToRemoveOnClose = ((mode & OPEN_DELETE) != 0) ? file : null;
+        Objects.requireNonNull(charset, "charset");
 
-        if (charset == null)
-            throw new NullPointerException("charset is null");
-        this.zc = ZipCoder.get(charset);
+        this.name = name;
         // Android-removed: Skip perf counters.
         // long t0 = System.nanoTime();
-        jzfile = open(name, mode, file.lastModified(), usemmap);
+
+        // Android-changed: pass isZipPathValidatorEnabled flag.
+        // this.res = new CleanableResource(this, ZipCoder.get(charset), file, mode);
+        boolean isZipPathValidatorEnabled = enableZipPathValidator && !ZipPathValidator.isClear();
+        this.res = new CleanableResource(
+                this, ZipCoder.get(charset), file, mode, isZipPathValidatorEnabled);
+
         // Android-removed: Skip perf counters.
-        // sun.misc.PerfCounter.getZipFileOpenTime().addElapsedTimeFrom(t0);
-        // sun.misc.PerfCounter.getZipFileCount().increment();
-        this.name = name;
-        this.total = getTotal(jzfile);
-        this.locsig = startsWithLOC(jzfile);
-        // Android-added: CloseGuard support.
-        guard.open("close");
+        // PerfCounter.getZipFileOpenTime().addElapsedTimeFrom(t0);
+        // PerfCounter.getZipFileCount().increment();
     }
 
     /**
      * Opens a zip file for reading.
      *
-     * <p>First, if there is a security manager, its <code>checkRead</code>
-     * method is called with the <code>name</code> argument as its argument
+     * <p>First, if there is a security manager, its {@code checkRead}
+     * method is called with the {@code name} argument as its argument
      * to ensure the read is allowed.
      *
      * @param name the name of the zip file
@@ -318,7 +304,7 @@
      * @throws ZipException if a ZIP format error has occurred
      * @throws IOException if an I/O error has occurred
      * @throws SecurityException
-     *         if a security manager exists and its <code>checkRead</code>
+     *         if a security manager exists and its {@code checkRead}
      *         method doesn't allow read access to the file
      *
      * @see SecurityManager#checkRead(java.lang.String)
@@ -332,6 +318,7 @@
 
     /**
      * Opens a ZIP file for reading given the specified File object.
+     *
      * @param file the ZIP file to be opened for reading
      * @param charset
      *        The {@linkplain java.nio.charset.Charset charset} to be
@@ -357,15 +344,15 @@
      *
      * @throws IllegalStateException if the zip file has been closed
      *
-     * Since 1.7
+     * @since 1.7
      */
     public String getComment() {
         synchronized (this) {
             ensureOpen();
-            byte[] bcomm = getCommentBytes(jzfile);
-            if (bcomm == null)
+            if (res.zsrc.comment == null) {
                 return null;
-            return zc.toString(bcomm, bcomm.length);
+            }
+            return res.zsrc.zc.toString(res.zsrc.comment);
         }
     }
 
@@ -378,38 +365,24 @@
      * @throws IllegalStateException if the zip file has been closed
      */
     public ZipEntry getEntry(String name) {
-        if (name == null) {
-            throw new NullPointerException("name");
-        }
-        long jzentry = 0;
+        Objects.requireNonNull(name, "name");
+        ZipEntry entry = null;
         synchronized (this) {
             ensureOpen();
-            jzentry = getEntry(jzfile, zc.getBytes(name), true);
-            if (jzentry != 0) {
-                ZipEntry ze = getZipEntry(name, jzentry);
-                freeEntry(jzfile, jzentry);
-                return ze;
+            int pos = res.zsrc.getEntryPos(name, true);
+            if (pos != -1) {
+                entry = getZipEntry(name, pos);
             }
         }
-        return null;
+        return entry;
     }
 
-    private static native long getEntry(long jzfile, byte[] name,
-                                        boolean addSlash);
-
-    // freeEntry releases the C jzentry struct.
-    private static native void freeEntry(long jzfile, long jzentry);
-
-    // the outstanding inputstreams that need to be closed,
-    // mapped to the inflater objects they use.
-    private final Map<InputStream, Inflater> streams = new WeakHashMap<>();
-
     /**
      * Returns an input stream for reading the contents of the specified
      * zip file entry.
-     *
-     * <p> Closing this ZIP file will, in turn, close all input
-     * streams that have been returned by invocations of this method.
+     * <p>
+     * Closing this ZIP file will, in turn, close all input streams that
+     * have been returned by invocations of this method.
      *
      * @param entry the zip file entry
      * @return the input stream for reading the contents of the specified
@@ -419,50 +392,44 @@
      * @throws IllegalStateException if the zip file has been closed
      */
     public InputStream getInputStream(ZipEntry entry) throws IOException {
-        if (entry == null) {
-            throw new NullPointerException("entry");
-        }
-        long jzentry = 0;
-        ZipFileInputStream in = null;
+        Objects.requireNonNull(entry, "entry");
+        int pos;
+        ZipFileInputStream in;
+        Source zsrc = res.zsrc;
+        Set<InputStream> istreams = res.istreams;
         synchronized (this) {
             ensureOpen();
-            if (!zc.isUTF8() && (entry.flag & USE_UTF8) != 0) {
-                // Android-changed: Find entry by name, falling back to name/ if cannot be found.
-                // Needed for ClassPathURLStreamHandler handling of URLs without trailing slashes.
-                // This was added as part of the work to move StrictJarFile from libcore to
-                // framework, see http://b/111293098 for more details.
-                // It should be possible to revert this after upgrading to OpenJDK 8u144 or above.
-                // jzentry = getEntry(jzfile, zc.getBytesUTF8(entry.name), false);
-                jzentry = getEntry(jzfile, zc.getBytesUTF8(entry.name), true);
+            if (Objects.equals(lastEntryName, entry.name)) {
+                pos = lastEntryPos;
             } else {
-                // Android-changed: Find entry by name, falling back to name/ if cannot be found.
-                // jzentry = getEntry(jzfile, zc.getBytes(entry.name), false);
-                jzentry = getEntry(jzfile, zc.getBytes(entry.name), true);
+                pos = zsrc.getEntryPos(entry.name, false);
             }
-            if (jzentry == 0) {
+            if (pos == -1) {
                 return null;
             }
-            in = new ZipFileInputStream(jzentry);
-
-            switch (getEntryMethod(jzentry)) {
+            in = new ZipFileInputStream(zsrc.cen, pos);
+            switch (CENHOW(zsrc.cen, pos)) {
             case STORED:
-                synchronized (streams) {
-                    streams.put(in, null);
+                synchronized (istreams) {
+                    istreams.add(in);
                 }
                 return in;
             case DEFLATED:
+                // Inflater likes a bit of slack
                 // MORE: Compute good size for inflater stream:
-                long size = getEntrySize(jzentry) + 2; // Inflater likes a bit of slack
-                // Android-changed: Use 64k buffer size, performs better than 8k.
-                // See http://b/65491407.
-                // if (size > 65536) size = 8192;
-                if (size > 65536) size = 65536;
-                if (size <= 0) size = 4096;
-                Inflater inf = getInflater();
-                InputStream is =
-                    new ZipFileInflaterInputStream(in, inf, (int)size);
-                synchronized (streams) {
-                    streams.put(is, inf);
+                long size = CENLEN(zsrc.cen, pos) + 2;
+                if (size > 65536) {
+                    // Android-changed: Use 64k buffer size, performs
+                    // better than 8k. See http://b/65491407.
+                    // size = 8192;
+                    size = 65536;
+                }
+                if (size <= 0) {
+                    size = 4096;
+                }
+                InputStream is = new ZipFileInflaterInputStream(in, res, (int)size);
+                synchronized (istreams) {
+                    istreams.add(is);
                 }
                 return is;
             default:
@@ -471,30 +438,51 @@
         }
     }
 
-    private class ZipFileInflaterInputStream extends InflaterInputStream {
-        private volatile boolean closeRequested = false;
-        private boolean eof = false;
-        private final ZipFileInputStream zfin;
+    private static class InflaterCleanupAction implements Runnable {
+        private final Inflater inf;
+        private final CleanableResource res;
 
-        ZipFileInflaterInputStream(ZipFileInputStream zfin, Inflater inf,
-                int size) {
-            super(zfin, inf, size);
-            this.zfin = zfin;
+        InflaterCleanupAction(Inflater inf, CleanableResource res) {
+            this.inf = inf;
+            this.res = res;
+        }
+
+        @Override
+        public void run() {
+            res.releaseInflater(inf);
+        }
+    }
+
+    private class ZipFileInflaterInputStream extends InflaterInputStream {
+        private volatile boolean closeRequested;
+        private boolean eof = false;
+        private final Cleanable cleanable;
+
+        ZipFileInflaterInputStream(ZipFileInputStream zfin,
+                                   CleanableResource res, int size) {
+            this(zfin, res, res.getInflater(), size);
+        }
+
+        private ZipFileInflaterInputStream(ZipFileInputStream zfin,
+                                           CleanableResource res,
+                                           Inflater inf, int size) {
+            // Android-changed: ZipFileInflaterInputStream does not control its inflater's lifetime
+            // and hence it shouldn't be closed when the stream is closed.
+            // super(zfin, inf, size);
+            super(zfin, inf, size, /* ownsInflater */ false);
+            this.cleanable = CleanerFactory.cleaner().register(this,
+                    new InflaterCleanupAction(inf, res));
         }
 
         public void close() throws IOException {
             if (closeRequested)
                 return;
             closeRequested = true;
-
             super.close();
-            Inflater inf;
-            synchronized (streams) {
-                inf = streams.remove(this);
+            synchronized (res.istreams) {
+                res.istreams.remove(this);
             }
-            if (inf != null) {
-                releaseInflater(inf);
-            }
+            cleanable.clean();
         }
 
         // Override fill() method to provide an extra "dummy" byte
@@ -516,47 +504,12 @@
         public int available() throws IOException {
             if (closeRequested)
                 return 0;
-            long avail = zfin.size() - inf.getBytesWritten();
+            long avail = ((ZipFileInputStream)in).size() - inf.getBytesWritten();
             return (avail > (long) Integer.MAX_VALUE ?
                     Integer.MAX_VALUE : (int) avail);
         }
-
-        protected void finalize() throws Throwable {
-            close();
-        }
     }
 
-    /*
-     * Gets an inflater from the list of available inflaters or allocates
-     * a new one.
-     */
-    private Inflater getInflater() {
-        Inflater inf;
-        synchronized (inflaterCache) {
-            while (null != (inf = inflaterCache.poll())) {
-                if (false == inf.ended()) {
-                    return inf;
-                }
-            }
-        }
-        return new Inflater(true);
-    }
-
-    /*
-     * Releases the specified inflater to the list of available inflaters.
-     */
-    private void releaseInflater(Inflater inf) {
-        if (false == inf.ended()) {
-            inf.reset();
-            synchronized (inflaterCache) {
-                inflaterCache.add(inf);
-            }
-        }
-    }
-
-    // List of available Inflater objects for decompression
-    private Deque<Inflater> inflaterCache = new ArrayDeque<>();
-
     /**
      * Returns the path name of the ZIP file.
      * @return the path name of the ZIP file
@@ -565,55 +518,53 @@
         return name;
     }
 
-    private class ZipEntryIterator implements Enumeration<ZipEntry>, Iterator<ZipEntry> {
-        private int i = 0;
+    private class ZipEntryIterator<T extends ZipEntry>
+            implements Enumeration<T>, Iterator<T> {
 
-        public ZipEntryIterator() {
-            ensureOpen();
+        private int i = 0;
+        private final int entryCount;
+
+        public ZipEntryIterator(int entryCount) {
+            this.entryCount = entryCount;
         }
 
+        @Override
         public boolean hasMoreElements() {
             return hasNext();
         }
 
+        @Override
         public boolean hasNext() {
+            // Android-changed: check that file is open.
+            // return i < entryCount;
             synchronized (ZipFile.this) {
                 ensureOpen();
-                return i < total;
+                return i < entryCount;
             }
         }
 
-        public ZipEntry nextElement() {
+        @Override
+        public T nextElement() {
             return next();
         }
 
-        public ZipEntry next() {
+        @Override
+        @SuppressWarnings("unchecked")
+        public T next() {
             synchronized (ZipFile.this) {
                 ensureOpen();
-                if (i >= total) {
+                if (!hasNext()) {
                     throw new NoSuchElementException();
                 }
-                long jzentry = getNextEntry(jzfile, i++);
-                if (jzentry == 0) {
-                    String message;
-                    if (closeRequested) {
-                        message = "ZipFile concurrently closed";
-                    } else {
-                        message = getZipMessage(ZipFile.this.jzfile);
-                    }
-                    throw new ZipError("jzentry == 0" +
-                                       ",\n jzfile = " + ZipFile.this.jzfile +
-                                       ",\n total = " + ZipFile.this.total +
-                                       ",\n name = " + ZipFile.this.name +
-                                       ",\n i = " + i +
-                                       ",\n message = " + message
-                        );
-                }
-                ZipEntry ze = getZipEntry(null, jzentry);
-                freeEntry(jzfile, jzentry);
-                return ze;
+                // each "entry" has 3 ints in table entries
+                return (T)getZipEntry(null, res.zsrc.getEntryPos(i++ * 3));
             }
         }
+
+        @Override
+        public Iterator<T> asIterator() {
+            return this;
+        }
     }
 
     /**
@@ -622,11 +573,51 @@
      * @throws IllegalStateException if the zip file has been closed
      */
     public Enumeration<? extends ZipEntry> entries() {
-        return new ZipEntryIterator();
+        synchronized (this) {
+            ensureOpen();
+            return new ZipEntryIterator<ZipEntry>(res.zsrc.total);
+        }
+    }
+
+    private Enumeration<JarEntry> jarEntries() {
+        synchronized (this) {
+            ensureOpen();
+            return new ZipEntryIterator<JarEntry>(res.zsrc.total);
+        }
+    }
+
+    private class EntrySpliterator<T> extends Spliterators.AbstractSpliterator<T> {
+        private int index;
+        private final int fence;
+        private final IntFunction<T> gen;
+
+        EntrySpliterator(int index, int fence, IntFunction<T> gen) {
+            super((long)fence,
+                  Spliterator.ORDERED | Spliterator.DISTINCT | Spliterator.IMMUTABLE |
+                  Spliterator.NONNULL);
+            this.index = index;
+            this.fence = fence;
+            this.gen = gen;
+        }
+
+        @Override
+        public boolean tryAdvance(Consumer<? super T> action) {
+            if (action == null)
+                throw new NullPointerException();
+            if (index >= 0 && index < fence) {
+                synchronized (ZipFile.this) {
+                    ensureOpen();
+                    action.accept(gen.apply(res.zsrc.getEntryPos(index++ * 3)));
+                }
+                return true;
+            }
+            return false;
+        }
     }
 
     /**
-     * Return an ordered {@code Stream} over the ZIP file entries.
+     * Returns an ordered {@code Stream} over the ZIP file entries.
+     *
      * Entries appear in the {@code Stream} in the order they appear in
      * the central directory of the ZIP file.
      *
@@ -635,69 +626,243 @@
      * @since 1.8
      */
     public Stream<? extends ZipEntry> stream() {
-        return StreamSupport.stream(Spliterators.spliterator(
-                new ZipEntryIterator(), size(),
-                Spliterator.ORDERED | Spliterator.DISTINCT |
-                        Spliterator.IMMUTABLE | Spliterator.NONNULL), false);
+        synchronized (this) {
+            ensureOpen();
+            return StreamSupport.stream(new EntrySpliterator<>(0, res.zsrc.total,
+                pos -> getZipEntry(null, pos)), false);
+       }
     }
 
-    // Android-added: Hook to validate zip entry name by ZipPathValidator.
-    private void onZipEntryAccess(byte[] bname, int flag) throws ZipException {
-        String name;
-        if (!zc.isUTF8() && (flag & USE_UTF8) != 0) {
-            name = zc.toStringUTF8(bname, bname.length);
-        } else {
-            name = zc.toString(bname, bname.length);
+    private String getEntryName(int pos) {
+        byte[] cen = res.zsrc.cen;
+        int nlen = CENNAM(cen, pos);
+        ZipCoder zc = res.zsrc.zipCoderForPos(pos);
+        return zc.toString(cen, pos + CENHDR, nlen);
+    }
+
+    /*
+     * Returns an ordered {@code Stream} over the zip file entry names.
+     *
+     * Entry names appear in the {@code Stream} in the order they appear in
+     * the central directory of the ZIP file.
+     *
+     * @return an ordered {@code Stream} of entry names in this zip file
+     * @throws IllegalStateException if the zip file has been closed
+     * @since 10
+     */
+    private Stream<String> entryNameStream() {
+        synchronized (this) {
+            ensureOpen();
+            return StreamSupport.stream(
+                new EntrySpliterator<>(0, res.zsrc.total, this::getEntryName), false);
         }
-        ZipPathValidator.getInstance().onZipEntryAccess(name);
     }
 
-    private ZipEntry getZipEntry(String name, long jzentry) {
-        ZipEntry e = new ZipEntry();
-        e.flag = getEntryFlag(jzentry);  // get the flag first
+    /*
+     * Returns an ordered {@code Stream} over the zip file entries.
+     *
+     * Entries appear in the {@code Stream} in the order they appear in
+     * the central directory of the jar file.
+     *
+     * @return an ordered {@code Stream} of entries in this zip file
+     * @throws IllegalStateException if the zip file has been closed
+     * @since 10
+     */
+    private Stream<JarEntry> jarStream() {
+        synchronized (this) {
+            ensureOpen();
+            return StreamSupport.stream(new EntrySpliterator<>(0, res.zsrc.total,
+                pos -> (JarEntry)getZipEntry(null, pos)), false);
+        }
+    }
+
+    private String lastEntryName;
+    private int lastEntryPos;
+
+    /* Check ensureOpen() before invoking this method */
+    private ZipEntry getZipEntry(String name, int pos) {
+        byte[] cen = res.zsrc.cen;
+        int nlen = CENNAM(cen, pos);
+        int elen = CENEXT(cen, pos);
+        int clen = CENCOM(cen, pos);
+
+        ZipCoder zc = res.zsrc.zipCoderForPos(pos);
         if (name != null) {
-            e.name = name;
-        } else {
-            byte[] bname = getEntryBytes(jzentry, JZENTRY_NAME);
-            if (!zc.isUTF8() && (e.flag & USE_UTF8) != 0) {
-                e.name = zc.toStringUTF8(bname, bname.length);
-            } else {
-                e.name = zc.toString(bname, bname.length);
+            // only need to check for mismatch of trailing slash
+            if (nlen > 0 &&
+                !name.isEmpty() &&
+                zc.hasTrailingSlash(cen, pos + CENHDR + nlen) &&
+                !name.endsWith("/"))
+            {
+                name += '/';
             }
-        }
-        e.xdostime = getEntryTime(jzentry);
-        e.crc = getEntryCrc(jzentry);
-        e.size = getEntrySize(jzentry);
-        e.csize = getEntryCSize(jzentry);
-        e.method = getEntryMethod(jzentry);
-        e.setExtra0(getEntryBytes(jzentry, JZENTRY_EXTRA), false, false);
-        byte[] bcomm = getEntryBytes(jzentry, JZENTRY_COMMENT);
-        if (bcomm == null) {
-            e.comment = null;
         } else {
-            if (!zc.isUTF8() && (e.flag & USE_UTF8) != 0) {
-                e.comment = zc.toStringUTF8(bcomm, bcomm.length);
-            } else {
-                e.comment = zc.toString(bcomm, bcomm.length);
-            }
+            // invoked from iterator, use the entry name stored in cen
+            name = zc.toString(cen, pos + CENHDR, nlen);
         }
+        ZipEntry e;
+        if (this instanceof JarFile) {
+            // Android-changed: access method directly.
+            // e = Source.JUJA.entryFor((JarFile)this, name);
+            e = ((JarFile) this).entryFor(name);
+        } else {
+            e = new ZipEntry(name);
+        }
+        e.flag = CENFLG(cen, pos);
+        e.xdostime = CENTIM(cen, pos);
+        e.crc = CENCRC(cen, pos);
+        e.size = CENLEN(cen, pos);
+        e.csize = CENSIZ(cen, pos);
+        e.method = CENHOW(cen, pos);
+        if (CENVEM_FA(cen, pos) == FILE_ATTRIBUTES_UNIX) {
+            // read all bits in this field, including sym link attributes
+            e.extraAttributes = CENATX_PERMS(cen, pos) & 0xFFFF;
+        }
+
+        if (elen != 0) {
+            int start = pos + CENHDR + nlen;
+            e.setExtra0(Arrays.copyOfRange(cen, start, start + elen), true, false);
+        }
+        if (clen != 0) {
+            int start = pos + CENHDR + nlen + elen;
+            e.comment = zc.toString(cen, start, clen);
+        }
+        lastEntryName = e.name;
+        lastEntryPos = pos;
         return e;
     }
 
-    private static native long getNextEntry(long jzfile, int i);
-
     /**
      * Returns the number of entries in the ZIP file.
+     *
      * @return the number of entries in the ZIP file
      * @throws IllegalStateException if the zip file has been closed
      */
     public int size() {
-        ensureOpen();
-        return total;
+        synchronized (this) {
+            ensureOpen();
+            return res.zsrc.total;
+        }
+    }
+
+    private static class CleanableResource implements Runnable {
+        // The outstanding inputstreams that need to be closed
+        final Set<InputStream> istreams;
+
+        // List of cached Inflater objects for decompression
+        Deque<Inflater> inflaterCache;
+
+        final Cleanable cleanable;
+
+        Source zsrc;
+
+        CleanableResource(ZipFile zf, ZipCoder zc, File file, int mode) throws IOException {
+            this(zf, zc, file, mode, false);
+        }
+
+        // Android-added: added extra enableZipPathValidator argument.
+        CleanableResource(ZipFile zf, ZipCoder zc, File file,
+                int mode, boolean enableZipPathValidator) throws IOException {
+            this.cleanable = CleanerFactory.cleaner().register(zf, this);
+            this.istreams = Collections.newSetFromMap(new WeakHashMap<>());
+            this.inflaterCache = new ArrayDeque<>();
+            this.zsrc = Source.get(file, (mode & OPEN_DELETE) != 0, zc, enableZipPathValidator);
+        }
+
+        void clean() {
+            cleanable.clean();
+        }
+
+        /*
+         * Gets an inflater from the list of available inflaters or allocates
+         * a new one.
+         */
+        Inflater getInflater() {
+            Inflater inf;
+            synchronized (inflaterCache) {
+                if ((inf = inflaterCache.poll()) != null) {
+                    return inf;
+                }
+            }
+            return new Inflater(true);
+        }
+
+        /*
+         * Releases the specified inflater to the list of available inflaters.
+         */
+        void releaseInflater(Inflater inf) {
+            Deque<Inflater> inflaters = this.inflaterCache;
+            if (inflaters != null) {
+                synchronized (inflaters) {
+                    // double checked!
+                    if (inflaters == this.inflaterCache) {
+                        inf.reset();
+                        inflaters.add(inf);
+                        return;
+                    }
+                }
+            }
+            // inflaters cache already closed - just end it.
+            inf.end();
+        }
+
+        public void run() {
+            IOException ioe = null;
+
+            // Release cached inflaters and close the cache first
+            Deque<Inflater> inflaters = this.inflaterCache;
+            if (inflaters != null) {
+                synchronized (inflaters) {
+                    // no need to double-check as only one thread gets a
+                    // chance to execute run() (Cleaner guarantee)...
+                    Inflater inf;
+                    while ((inf = inflaters.poll()) != null) {
+                        inf.end();
+                    }
+                    // close inflaters cache
+                    this.inflaterCache = null;
+                }
+            }
+
+            // Close streams, release their inflaters
+            if (istreams != null) {
+                synchronized (istreams) {
+                    if (!istreams.isEmpty()) {
+                        InputStream[] copy = istreams.toArray(new InputStream[0]);
+                        istreams.clear();
+                        for (InputStream is : copy) {
+                            try {
+                                is.close();
+                            } catch (IOException e) {
+                                if (ioe == null) ioe = e;
+                                else ioe.addSuppressed(e);
+                            }
+                        }
+                    }
+                }
+            }
+
+            // Release zip src
+            if (zsrc != null) {
+                synchronized (zsrc) {
+                    try {
+                        Source.release(zsrc);
+                        zsrc = null;
+                    } catch (IOException e) {
+                        if (ioe == null) ioe = e;
+                        else ioe.addSuppressed(e);
+                    }
+                }
+            }
+            if (ioe != null) {
+                throw new UncheckedIOException(ioe);
+            }
+        }
     }
 
     /**
      * Closes the ZIP file.
+     *
      * <p> Closing this ZIP file will close all of the input streams
      * previously returned by invocations of the {@link #getInputStream
      * getInputStream} method.
@@ -705,8 +870,9 @@
      * @throws IOException if an I/O error has occurred
      */
     public void close() throws IOException {
-        if (closeRequested)
+        if (closeRequested) {
             return;
+        }
         // Android-added: CloseGuard support.
         if (guard != null) {
             guard.close();
@@ -714,85 +880,21 @@
         closeRequested = true;
 
         synchronized (this) {
-            // Close streams, release their inflaters
-            // BEGIN Android-added: null field check to avoid NullPointerException during finalize.
-            // If the constructor threw an exception then the streams / inflaterCache fields can
-            // be null and close() can be called by the finalizer.
-            if (streams != null) {
-            // END Android-added: null field check to avoid NullPointerException during finalize.
-                synchronized (streams) {
-                    if (false == streams.isEmpty()) {
-                        Map<InputStream, Inflater> copy = new HashMap<>(streams);
-                        streams.clear();
-                        for (Map.Entry<InputStream, Inflater> e : copy.entrySet()) {
-                            e.getKey().close();
-                            Inflater inf = e.getValue();
-                            if (inf != null) {
-                                inf.end();
-                            }
-                        }
-                    }
-                }
-            // BEGIN Android-added: null field check to avoid NullPointerException during finalize.
-            }
-
-            if (inflaterCache != null) {
-            // END Android-added: null field check to avoid NullPointerException during finalize.
-                // Release cached inflaters
-                Inflater inf;
-                synchronized (inflaterCache) {
-                    while (null != (inf = inflaterCache.poll())) {
-                        inf.end();
-                    }
-                }
-            // BEGIN Android-added: null field check to avoid NullPointerException during finalize.
-            }
-            // END Android-added: null field check to avoid NullPointerException during finalize.
-
-            if (jzfile != 0) {
-                // Close the zip file
-                long zf = this.jzfile;
-                jzfile = 0;
-
-                close(zf);
-            }
-            // Android-added: Do not use unlink() to implement OPEN_DELETE.
-            if (fileToRemoveOnClose != null) {
-                fileToRemoveOnClose.delete();
+            // Close streams, release their inflaters, release cached inflaters
+            // and release zip source
+            try {
+                res.clean();
+            } catch (UncheckedIOException ioe) {
+                throw ioe.getCause();
             }
         }
     }
 
-    /**
-     * Ensures that the system resources held by this ZipFile object are
-     * released when there are no more references to it.
-     *
-     * <p>
-     * Since the time when GC would invoke this method is undetermined,
-     * it is strongly recommended that applications invoke the <code>close</code>
-     * method as soon they have finished accessing this <code>ZipFile</code>.
-     * This will prevent holding up system resources for an undetermined
-     * length of time.
-     *
-     * @throws IOException if an I/O error has occurred
-     * @see    java.util.zip.ZipFile#close()
-     */
-    protected void finalize() throws IOException {
-        // Android-added: CloseGuard support.
-        if (guard != null) {
-            guard.warnIfOpen();
-        }
-        close();
-    }
-
-    private static native void close(long jzfile);
-
     private void ensureOpen() {
         if (closeRequested) {
             throw new IllegalStateException("zip file closed");
         }
-
-        if (jzfile == 0) {
+        if (res.zsrc == null) {
             throw new IllegalStateException("The object is not initialized.");
         }
     }
@@ -807,50 +909,103 @@
      * Inner class implementing the input stream used to read a
      * (possibly compressed) zip file entry.
      */
-   private class ZipFileInputStream extends InputStream {
-        private volatile boolean zfisCloseRequested = false;
-        protected long jzentry; // address of jzentry data
+    private class ZipFileInputStream extends InputStream {
+        private volatile boolean closeRequested;
         private   long pos;     // current position within entry data
+        private   long startingPos; // Start position for the entry data
         protected long rem;     // number of remaining bytes within entry
         protected long size;    // uncompressed size of this entry
 
-        ZipFileInputStream(long jzentry) {
-            pos = 0;
-            rem = getEntryCSize(jzentry);
-            size = getEntrySize(jzentry);
-            this.jzentry = jzentry;
+        ZipFileInputStream(byte[] cen, int cenpos) {
+            rem = CENSIZ(cen, cenpos);
+            size = CENLEN(cen, cenpos);
+            pos = CENOFF(cen, cenpos);
+            // zip64
+            if (rem == ZIP64_MAGICVAL || size == ZIP64_MAGICVAL ||
+                pos == ZIP64_MAGICVAL) {
+                checkZIP64(cen, cenpos);
+            }
+            // negative for lazy initialization, see getDataOffset();
+            pos = - (pos + ZipFile.this.res.zsrc.locpos);
+        }
+
+        private void checkZIP64(byte[] cen, int cenpos) {
+            int off = cenpos + CENHDR + CENNAM(cen, cenpos);
+            int end = off + CENEXT(cen, cenpos);
+            while (off + 4 < end) {
+                int tag = get16(cen, off);
+                int sz = get16(cen, off + 2);
+                off += 4;
+                if (off + sz > end)         // invalid data
+                    break;
+                if (tag == EXTID_ZIP64) {
+                    if (size == ZIP64_MAGICVAL) {
+                        if (sz < 8 || (off + 8) > end)
+                            break;
+                        size = get64(cen, off);
+                        sz -= 8;
+                        off += 8;
+                    }
+                    if (rem == ZIP64_MAGICVAL) {
+                        if (sz < 8 || (off + 8) > end)
+                            break;
+                        rem = get64(cen, off);
+                        sz -= 8;
+                        off += 8;
+                    }
+                    if (pos == ZIP64_MAGICVAL) {
+                        if (sz < 8 || (off + 8) > end)
+                            break;
+                        pos = get64(cen, off);
+                        sz -= 8;
+                        off += 8;
+                    }
+                    break;
+                }
+                off += sz;
+            }
+        }
+
+        /*
+         * The Zip file spec explicitly allows the LOC extra data size to
+         * be different from the CEN extra data size. Since we cannot trust
+         * the CEN extra data size, we need to read the LOC to determine
+         * the entry data offset.
+         */
+        private long initDataOffset() throws IOException {
+            if (pos <= 0) {
+                byte[] loc = new byte[LOCHDR];
+                pos = -pos;
+                int len = ZipFile.this.res.zsrc.readFullyAt(loc, 0, loc.length, pos);
+                if (len != LOCHDR) {
+                    throw new ZipException("ZipFile error reading zip file");
+                }
+                if (LOCSIG(loc) != LOCSIG) {
+                    throw new ZipException("ZipFile invalid LOC header (bad signature)");
+                }
+                pos += LOCHDR + LOCNAM(loc) + LOCEXT(loc);
+                startingPos = pos; // Save starting position for the entry
+            }
+            return pos;
         }
 
         public int read(byte b[], int off, int len) throws IOException {
-            // Android-added: Always throw an exception when reading from closed zipfile.
-            // Required by the JavaDoc for InputStream.read(byte[], int, int). Upstream version
-            // 8u121-b13 is not compliant but that bug has been fixed in upstream version 9+181
-            // as part of a major change to switch to a pure Java implementation.
-            // See https://bugs.openjdk.java.net/browse/JDK-8145260 and
-            // https://bugs.openjdk.java.net/browse/JDK-8142508.
-            ensureOpenOrZipException();
-
             synchronized (ZipFile.this) {
-                long rem = this.rem;
-                long pos = this.pos;
+                ensureOpenOrZipException();
+                initDataOffset();
                 if (rem == 0) {
                     return -1;
                 }
-                if (len <= 0) {
-                    return 0;
-                }
                 if (len > rem) {
                     len = (int) rem;
                 }
-
-                // Android-removed: Always throw an exception when reading from closed zipfile.
-                // Moved to the start of the method.
-                //ensureOpenOrZipException();
-                len = ZipFile.read(ZipFile.this.jzfile, jzentry, pos, b,
-                                   off, len);
+                if (len <= 0) {
+                    return 0;
+                }
+                len = ZipFile.this.res.zsrc.readAt(b, off, len, pos);
                 if (len > 0) {
-                    this.pos = (pos + len);
-                    this.rem = (rem - len);
+                    pos += len;
+                    rem -= len;
                 }
             }
             if (rem == 0) {
@@ -868,11 +1023,26 @@
             }
         }
 
-        public long skip(long n) {
-            if (n > rem)
-                n = rem;
-            pos += n;
-            rem -= n;
+        public long skip(long n) throws IOException {
+            synchronized (ZipFile.this) {
+                initDataOffset();
+                long newPos = pos + n;
+                if (n > 0) {
+                    // If we overflowed adding the skip value or are moving
+                    // past EOF, set the skip value to number of bytes remaining
+                    // to reach EOF
+                    if (newPos < 0 || n > rem) {
+                        n = rem;
+                    }
+                } else if (newPos < startingPos) {
+                    // Tried to position before BOF so set position to the
+                    // BOF and return the number of bytes we moved backwards
+                    // to reach BOF
+                    n = startingPos - pos;
+                }
+                pos += n;
+                rem -= n;
+            }
             if (rem == 0) {
                 close();
             }
@@ -888,84 +1058,873 @@
         }
 
         public void close() {
-            if (zfisCloseRequested)
+            if (closeRequested) {
                 return;
-            zfisCloseRequested = true;
-
+            }
+            closeRequested = true;
             rem = 0;
-            synchronized (ZipFile.this) {
-                if (jzentry != 0 && ZipFile.this.jzfile != 0) {
-                    freeEntry(ZipFile.this.jzfile, jzentry);
-                    jzentry = 0;
-                }
-            }
-            synchronized (streams) {
-                streams.remove(this);
+            synchronized (res.istreams) {
+                res.istreams.remove(this);
             }
         }
 
-        protected void finalize() {
-            close();
-        }
     }
 
-    // Android-removed: Access startsWithLocHeader() directly.
-    /*
-    static {
-        sun.misc.SharedSecrets.setJavaUtilZipFileAccess(
-            new sun.misc.JavaUtilZipFileAccess() {
-                public boolean startsWithLocHeader(ZipFile zip) {
-                    return zip.startsWithLocHeader();
-                }
-             }
-        );
-    }
-    */
-
     /**
      * Returns {@code true} if, and only if, the zip file begins with {@code
      * LOCSIG}.
      * @hide
      */
-    // Android-changed: Access startsWithLocHeader() directly.
+    // Android-added: Access startsWithLocHeader() directly.
     // Make hidden public for use by sun.misc.URLClassPath
-    // private boolean startsWithLocHeader() {
     public boolean startsWithLocHeader() {
-        return locsig;
+        return res.zsrc.startsWithLoc;
     }
 
-    // BEGIN Android-added: Provide access to underlying file descriptor for testing.
-    // See http://b/111148957 for background information.
-    /** @hide */
-    // @VisibleForTesting
-    public int getFileDescriptor() {
-        return getFileDescriptor(jzfile);
+    // Android-changed: marked as protected so JarFile can access it.
+    /**
+     * Returns the names of the META-INF/MANIFEST.MF entry - if exists -
+     * and any signature-related files under META-INF. This method is used in
+     * JarFile, via SharedSecrets, as an optimization.
+     * @hide
+     */
+    protected List<String> getManifestAndSignatureRelatedFiles() {
+        synchronized (this) {
+            ensureOpen();
+            Source zsrc = res.zsrc;
+            int[] metanames = zsrc.signatureMetaNames;
+            List<String> files = null;
+            if (zsrc.manifestPos >= 0) {
+                files = new ArrayList<>();
+                files.add(getEntryName(zsrc.manifestPos));
+            }
+            if (metanames != null) {
+                if (files == null) {
+                    files = new ArrayList<>();
+                }
+                for (int i = 0; i < metanames.length; i++) {
+                    files.add(getEntryName(metanames[i]));
+                }
+            }
+            return files == null ? List.of() : files;
+        }
     }
 
-    private static native int getFileDescriptor(long jzfile);
-    // END Android-added: Provide access to underlying file descriptor for testing.
+    /**
+     * Returns the number of the META-INF/MANIFEST.MF entries, case insensitive.
+     * When this number is greater than 1, JarVerifier will treat a file as
+     * unsigned.
+     */
+    private int getManifestNum() {
+        synchronized (this) {
+            ensureOpen();
+            return res.zsrc.manifestNum;
+        }
+    }
 
-    // Android-changed: Make it as a non-static method, so it can access charset config.
-    private native long open(String name, int mode, long lastModified,
-                                    boolean usemmap) throws IOException;
-    private static native int getTotal(long jzfile);
-    private static native boolean startsWithLOC(long jzfile);
-    private static native int read(long jzfile, long jzentry,
-                                   long pos, byte[] b, int off, int len);
+    // Android-changed: marked public and @hide as alternative to JavaUtilZipFileAccess.getManifestName.
+    /**
+     * Returns the name of the META-INF/MANIFEST.MF entry, ignoring
+     * case. If {@code onlyIfSignatureRelatedFiles} is true, we only return the
+     * manifest if there is also at least one signature-related file.
+     * This method is used in JarFile, via SharedSecrets, as an optimization
+     * when looking up the manifest file.
+     * @hide
+     */
+    protected String getManifestName(boolean onlyIfSignatureRelatedFiles) {
+        synchronized (this) {
+            ensureOpen();
+            Source zsrc = res.zsrc;
+            int pos = zsrc.manifestPos;
+            if (pos >= 0 && (!onlyIfSignatureRelatedFiles || zsrc.signatureMetaNames != null)) {
+                return getEntryName(pos);
+            }
+        }
+        return null;
+    }
 
-    // access to the native zentry object
-    private static native long getEntryTime(long jzentry);
-    private static native long getEntryCrc(long jzentry);
-    private static native long getEntryCSize(long jzentry);
-    private static native long getEntrySize(long jzentry);
-    private static native int getEntryMethod(long jzentry);
-    private static native int getEntryFlag(long jzentry);
-    private static native byte[] getCommentBytes(long jzfile);
+    /**
+     * Returns the versions for which there exists a non-directory
+     * entry that begin with "META-INF/versions/" (case ignored).
+     * This method is used in JarFile, via SharedSecrets, as an
+     * optimization when looking up potentially versioned entries.
+     * Returns an empty array if no versioned entries exist.
+     */
+    private int[] getMetaInfVersions() {
+        synchronized (this) {
+            ensureOpen();
+            return res.zsrc.metaVersions;
+        }
+    }
 
-    private static final int JZENTRY_NAME = 0;
-    private static final int JZENTRY_EXTRA = 1;
-    private static final int JZENTRY_COMMENT = 2;
-    private static native byte[] getEntryBytes(long jzentry, int type);
+    // Android-removed: this code does not run on Windows and JavaUtilZipFileAccess is not imported.
+    /*
+    private static boolean isWindows;
 
-    private static native String getZipMessage(long jzfile);
+    static {
+        SharedSecrets.setJavaUtilZipFileAccess(
+            new JavaUtilZipFileAccess() {
+                @Override
+                public boolean startsWithLocHeader(ZipFile zip) {
+                    return zip.res.zsrc.startsWithLoc;
+                }
+                @Override
+                public List<String> getManifestAndSignatureRelatedFiles(JarFile jar) {
+                    return ((ZipFile)jar).getManifestAndSignatureRelatedFiles();
+                }
+                @Override
+                public int getManifestNum(JarFile jar) {
+                    return ((ZipFile)jar).getManifestNum();
+                }
+                @Override
+                public String getManifestName(JarFile jar, boolean onlyIfHasSignatureRelatedFiles) {
+                    return ((ZipFile)jar).getManifestName(onlyIfHasSignatureRelatedFiles);
+                }
+                @Override
+                public int[] getMetaInfVersions(JarFile jar) {
+                    return ((ZipFile)jar).getMetaInfVersions();
+                }
+                @Override
+                public Enumeration<JarEntry> entries(ZipFile zip) {
+                    return zip.jarEntries();
+                }
+                @Override
+                public Stream<JarEntry> stream(ZipFile zip) {
+                    return zip.jarStream();
+                }
+                @Override
+                public Stream<String> entryNameStream(ZipFile zip) {
+                    return zip.entryNameStream();
+                }
+                @Override
+                public int getExtraAttributes(ZipEntry ze) {
+                    return ze.extraAttributes;
+                }
+                @Override
+                public void setExtraAttributes(ZipEntry ze, int extraAttrs) {
+                    ze.extraAttributes = extraAttrs;
+                }
+
+             }
+        );
+        isWindows = VM.getSavedProperty("os.name").contains("Windows");
+    }
+    */
+
+    private static class Source {
+        // While this is only used from ZipFile, defining it there would cause
+        // a bootstrap cycle that would leave this initialized as null
+        // Android-removed: JavaUtilJarAccess is not available.
+        // private static final JavaUtilJarAccess JUJA = SharedSecrets.javaUtilJarAccess();
+        // "META-INF/".length()
+        private static final int META_INF_LEN = 9;
+        private static final int[] EMPTY_META_VERSIONS = new int[0];
+
+        private final Key key;               // the key in files
+        private final @Stable ZipCoder zc;   // zip coder used to decode/encode
+
+        private int refs = 1;
+
+        private RandomAccessFile zfile;      // zfile of the underlying zip file
+        private byte[] cen;                  // CEN & ENDHDR
+        private long locpos;                 // position of first LOC header (usually 0)
+        private byte[] comment;              // zip file comment
+                                             // list of meta entries in META-INF dir
+        private int   manifestPos = -1;      // position of the META-INF/MANIFEST.MF, if exists
+        private int   manifestNum = 0;       // number of META-INF/MANIFEST.MF, case insensitive
+        private int[] signatureMetaNames;    // positions of signature related entries, if such exist
+        private int[] metaVersions;          // list of unique versions found in META-INF/versions/
+        private final boolean startsWithLoc; // true, if zip file starts with LOCSIG (usually true)
+
+        // A Hashmap for all entries.
+        //
+        // A cen entry of Zip/JAR file. As we have one for every entry in every active Zip/JAR,
+        // We might have a lot of these in a typical system. In order to save space we don't
+        // keep the name in memory, but merely remember a 32 bit {@code hash} value of the
+        // entry name and its offset {@code pos} in the central directory hdeader.
+        //
+        // private static class Entry {
+        //     int hash;       // 32 bit hashcode on name
+        //     int next;       // hash chain: index into entries
+        //     int pos;        // Offset of central directory file header
+        // }
+        // private Entry[] entries;             // array of hashed cen entry
+        //
+        // To reduce the total size of entries further, we use a int[] here to store 3 "int"
+        // {@code hash}, {@code next} and {@code pos} for each entry. The entry can then be
+        // referred by their index of their positions in the {@code entries}.
+        //
+        private int[] entries;                  // array of hashed cen entry
+
+        // Checks the entry at offset pos in the CEN, calculates the Entry values as per above,
+        // then returns the length of the entry name.
+        private int checkAndAddEntry(int pos, int index)
+            throws ZipException
+        {
+            byte[] cen = this.cen;
+            if (CENSIG(cen, pos) != CENSIG) {
+                zerror("invalid CEN header (bad signature)");
+            }
+            int method = CENHOW(cen, pos);
+            int flag   = CENFLG(cen, pos);
+            if ((flag & 1) != 0) {
+                zerror("invalid CEN header (encrypted entry)");
+            }
+            if (method != STORED && method != DEFLATED) {
+                zerror("invalid CEN header (bad compression method: " + method + ")");
+            }
+            int entryPos = pos + CENHDR;
+            int nlen = CENNAM(cen, pos);
+            if (entryPos + nlen > cen.length - ENDHDR) {
+                zerror("invalid CEN header (bad header size)");
+            }
+            try {
+                ZipCoder zcp = zipCoderForPos(pos);
+                int hash = zcp.checkedHash(cen, entryPos, nlen);
+                int hsh = (hash & 0x7fffffff) % tablelen;
+                int next = table[hsh];
+                table[hsh] = index;
+                // Record the CEN offset and the name hash in our hash cell.
+                entries[index++] = hash;
+                entries[index++] = next;
+                entries[index  ] = pos;
+            } catch (Exception e) {
+                zerror("invalid CEN header (bad entry name)");
+            }
+            return nlen;
+        }
+
+        private int getEntryHash(int index) { return entries[index]; }
+        private int getEntryNext(int index) { return entries[index + 1]; }
+        private int getEntryPos(int index)  { return entries[index + 2]; }
+        private static final int ZIP_ENDCHAIN  = -1;
+        private int total;                   // total number of entries
+        private int[] table;                 // Hash chain heads: indexes into entries
+        private int tablelen;                // number of hash heads
+
+        // Android-changed: isZipFilePathValidatorEnabled added as Key part. Key is used as key in
+        // files HashMap, so not including it could lead to opening ZipFile w/o entry names
+        // validation.
+        private static class Key {
+            final BasicFileAttributes attrs;
+            File file;
+            final boolean utf8;
+            // Android-added: isZipFilePathValidatorEnabled added as Key part.
+            final boolean isZipFilePathValidatorEnabled;
+
+            public Key(File file, BasicFileAttributes attrs, ZipCoder zc) {
+                this(file, attrs, zc, /* isZipFilePathValidatorEnabled= */ false);
+            }
+
+            // Android-added: added constructor with isZipFilePathValidatorEnabled argument.
+            public Key(File file, BasicFileAttributes attrs, ZipCoder zc,
+                    boolean isZipFilePathValidatorEnabled) {
+                this.attrs = attrs;
+                this.file = file;
+                this.utf8 = zc.isUTF8();
+                this.isZipFilePathValidatorEnabled = isZipFilePathValidatorEnabled;
+            }
+
+            public int hashCode() {
+                long t = utf8 ? 0 : Long.MAX_VALUE;
+                t += attrs.lastModifiedTime().toMillis();
+                // Android-changed: include izZipFilePathValidatorEnabled in hash computation.
+                // return ((int)(t ^ (t >>> 32))) + file.hashCode();
+                return ((int)(t ^ (t >>> 32))) + file.hashCode()
+                        + Boolean.hashCode(isZipFilePathValidatorEnabled);
+            }
+
+            public boolean equals(Object obj) {
+                if (obj instanceof Key key) {
+                    if (key.utf8 != utf8) {
+                        return false;
+                    }
+                    if (!attrs.lastModifiedTime().equals(key.attrs.lastModifiedTime())) {
+                        return false;
+                    }
+                    // Android-added: include isZipFilePathValidatorEnabled as equality part.
+                    if (key.isZipFilePathValidatorEnabled != isZipFilePathValidatorEnabled) {
+                        return false;
+                    }
+                    Object fk = attrs.fileKey();
+                    if (fk != null) {
+                        return fk.equals(key.attrs.fileKey());
+                    } else {
+                        return file.equals(key.file);
+                    }
+                }
+                return false;
+            }
+        }
+        private static final HashMap<Key, Source> files = new HashMap<>();
+
+
+        // Android-changed: pass izZipFilePathValidatorEnabled argument.
+        // static Source get(File file, boolean toDelete, ZipCoder zc) throws IOException {
+        static Source get(File file, boolean toDelete, ZipCoder zc,
+                boolean isZipPathValidatorEnabled) throws IOException {
+            final Key key;
+            try {
+                // BEGIN Android-changed: isZipFilePathValidatorEnabled passed as part of Key.
+                /*
+                key = new Key(file,
+                        Files.readAttributes(file.toPath(), BasicFileAttributes.class),
+                        zc);
+                */
+                key = new Key(file,
+                        Files.readAttributes(file.toPath(), BasicFileAttributes.class),
+                        zc, isZipPathValidatorEnabled);
+                // END Android-changed: isZipFilePathValidatorEnabled passed as part of Key.
+            } catch (InvalidPathException ipe) {
+                throw new IOException(ipe);
+            }
+            Source src;
+            synchronized (files) {
+                src = files.get(key);
+                if (src != null) {
+                    src.refs++;
+                    return src;
+                }
+            }
+            src = new Source(key, toDelete, zc);
+
+            synchronized (files) {
+                if (files.containsKey(key)) {    // someone else put in first
+                    src.close();                 // close the newly created one
+                    src = files.get(key);
+                    src.refs++;
+                    return src;
+                }
+                files.put(key, src);
+                return src;
+            }
+        }
+
+        static void release(Source src) throws IOException {
+            synchronized (files) {
+                if (src != null && --src.refs == 0) {
+                    files.remove(src.key);
+                    src.close();
+                }
+            }
+        }
+
+        private Source(Key key, boolean toDelete, ZipCoder zc) throws IOException {
+            this.zc = zc;
+            this.key = key;
+            if (toDelete) {
+                // BEGIN Android-changed: we are not targeting Windows, keep else branch only. Also
+                // open file with O_CLOEXEC flag set.
+                /*
+                if (isWindows) {
+                    this.zfile = SharedSecrets.getJavaIORandomAccessFileAccess()
+                                              .openAndDelete(key.file, "r");
+                } else {
+                    this.zfile = new RandomAccessFile(key.file, "r");
+                    key.file.delete();
+                }
+                */
+                this.zfile = new RandomAccessFile(key.file, "r", /* setCloExecFlag= */ true);
+                key.file.delete();
+                // END Android-changed: we are not targeting Windows, keep else branch only.
+            } else {
+                // Android-changed: open with O_CLOEXEC flag set.
+                // this.zfile = new RandomAccessFile(key.file, "r");
+                this.zfile = new RandomAccessFile(key.file, "r", /* setCloExecFlag= */ true);
+            }
+            try {
+                initCEN(-1);
+                byte[] buf = new byte[4];
+                readFullyAt(buf, 0, 4, 0);
+                this.startsWithLoc = (LOCSIG(buf) == LOCSIG);
+            } catch (IOException x) {
+                try {
+                    this.zfile.close();
+                } catch (IOException xx) {}
+                throw x;
+            }
+        }
+
+        private void close() throws IOException {
+            zfile.close();
+            zfile = null;
+            cen = null;
+            entries = null;
+            table = null;
+            manifestPos = -1;
+            manifestNum = 0;
+            signatureMetaNames = null;
+            metaVersions = EMPTY_META_VERSIONS;
+        }
+
+        private static final int BUF_SIZE = 8192;
+        private final int readFullyAt(byte[] buf, int off, int len, long pos)
+            throws IOException
+        {
+            synchronized (zfile) {
+                zfile.seek(pos);
+                int N = len;
+                while (N > 0) {
+                    int n = Math.min(BUF_SIZE, N);
+                    zfile.readFully(buf, off, n);
+                    off += n;
+                    N -= n;
+                }
+                return len;
+            }
+        }
+
+        private final int readAt(byte[] buf, int off, int len, long pos)
+            throws IOException
+        {
+            synchronized (zfile) {
+                zfile.seek(pos);
+                return zfile.read(buf, off, len);
+            }
+        }
+
+
+        private static class End {
+            int  centot;     // 4 bytes
+            long cenlen;     // 4 bytes
+            long cenoff;     // 4 bytes
+            long endpos;     // 4 bytes
+        }
+
+        /*
+         * Searches for end of central directory (END) header. The contents of
+         * the END header will be read and placed in endbuf. Returns the file
+         * position of the END header, otherwise returns -1 if the END header
+         * was not found or an error occurred.
+         */
+        private End findEND() throws IOException {
+            long ziplen = zfile.length();
+            if (ziplen <= 0)
+                zerror("zip file is empty");
+            End end = new End();
+            byte[] buf = new byte[READBLOCKSZ];
+            long minHDR = (ziplen - END_MAXLEN) > 0 ? ziplen - END_MAXLEN : 0;
+            long minPos = minHDR - (buf.length - ENDHDR);
+            for (long pos = ziplen - buf.length; pos >= minPos; pos -= (buf.length - ENDHDR)) {
+                int off = 0;
+                if (pos < 0) {
+                    // Pretend there are some NUL bytes before start of file
+                    off = (int)-pos;
+                    Arrays.fill(buf, 0, off, (byte)0);
+                }
+                int len = buf.length - off;
+                if (readFullyAt(buf, off, len, pos + off) != len ) {
+                    zerror("zip END header not found");
+                }
+                // Now scan the block backwards for END header signature
+                for (int i = buf.length - ENDHDR; i >= 0; i--) {
+                    if (buf[i+0] == (byte)'P'    &&
+                        buf[i+1] == (byte)'K'    &&
+                        buf[i+2] == (byte)'\005' &&
+                        buf[i+3] == (byte)'\006') {
+                        // Found ENDSIG header
+                        byte[] endbuf = Arrays.copyOfRange(buf, i, i + ENDHDR);
+                        end.centot = ENDTOT(endbuf);
+                        end.cenlen = ENDSIZ(endbuf);
+                        end.cenoff = ENDOFF(endbuf);
+                        end.endpos = pos + i;
+                        int comlen = ENDCOM(endbuf);
+                        if (end.endpos + ENDHDR + comlen != ziplen) {
+                            // ENDSIG matched, however the size of file comment in it does
+                            // not match the real size. One "common" cause for this problem
+                            // is some "extra" bytes are padded at the end of the zipfile.
+                            // Let's do some extra verification, we don't care about the
+                            // performance in this situation.
+                            byte[] sbuf = new byte[4];
+                            long cenpos = end.endpos - end.cenlen;
+                            long locpos = cenpos - end.cenoff;
+                            if  (cenpos < 0 ||
+                                 locpos < 0 ||
+                                 readFullyAt(sbuf, 0, sbuf.length, cenpos) != 4 ||
+                                 GETSIG(sbuf) != CENSIG ||
+                                 readFullyAt(sbuf, 0, sbuf.length, locpos) != 4 ||
+                                 GETSIG(sbuf) != LOCSIG) {
+                                continue;
+                            }
+                        }
+                        if (comlen > 0) {    // this zip file has comlen
+                            comment = new byte[comlen];
+                            if (readFullyAt(comment, 0, comlen, end.endpos + ENDHDR) != comlen) {
+                                zerror("zip comment read failed");
+                            }
+                        }
+                        // must check for a zip64 end record; it is always permitted to be present
+                        try {
+                            byte[] loc64 = new byte[ZIP64_LOCHDR];
+                            if (end.endpos < ZIP64_LOCHDR ||
+                                readFullyAt(loc64, 0, loc64.length, end.endpos - ZIP64_LOCHDR)
+                                != loc64.length || GETSIG(loc64) != ZIP64_LOCSIG) {
+                                return end;
+                            }
+                            long end64pos = ZIP64_LOCOFF(loc64);
+                            byte[] end64buf = new byte[ZIP64_ENDHDR];
+                            if (readFullyAt(end64buf, 0, end64buf.length, end64pos)
+                                != end64buf.length || GETSIG(end64buf) != ZIP64_ENDSIG) {
+                                return end;
+                            }
+                            // end64 candidate found,
+                            long cenlen64 = ZIP64_ENDSIZ(end64buf);
+                            long cenoff64 = ZIP64_ENDOFF(end64buf);
+                            long centot64 = ZIP64_ENDTOT(end64buf);
+                            // double-check
+                            if (cenlen64 != end.cenlen && end.cenlen != ZIP64_MAGICVAL ||
+                                cenoff64 != end.cenoff && end.cenoff != ZIP64_MAGICVAL ||
+                                centot64 != end.centot && end.centot != ZIP64_MAGICCOUNT) {
+                                return end;
+                            }
+                            // to use the end64 values
+                            end.cenlen = cenlen64;
+                            end.cenoff = cenoff64;
+                            end.centot = (int)centot64; // assume total < 2g
+                            end.endpos = end64pos;
+                        } catch (IOException x) {}    // no zip64 loc/end
+                        return end;
+                    }
+                }
+            }
+            throw new ZipException("zip END header not found");
+        }
+
+        // Reads zip file central directory.
+        private void initCEN(int knownTotal) throws IOException {
+            // Prefer locals for better performance during startup
+            byte[] cen;
+            if (knownTotal == -1) {
+                End end = findEND();
+                if (end.endpos == 0) {
+                    locpos = 0;
+                    total = 0;
+                    entries = new int[0];
+                    this.cen = null;
+                    return;         // only END header present
+                }
+                if (end.cenlen > end.endpos)
+                    zerror("invalid END header (bad central directory size)");
+                long cenpos = end.endpos - end.cenlen;     // position of CEN table
+                // Get position of first local file (LOC) header, taking into
+                // account that there may be a stub prefixed to the zip file.
+                locpos = cenpos - end.cenoff;
+                if (locpos < 0) {
+                    zerror("invalid END header (bad central directory offset)");
+                }
+                // read in the CEN and END
+                cen = this.cen = new byte[(int)(end.cenlen + ENDHDR)];
+                if (readFullyAt(cen, 0, cen.length, cenpos) != end.cenlen + ENDHDR) {
+                    zerror("read CEN tables failed");
+                }
+                this.total = end.centot;
+            } else {
+                cen = this.cen;
+                this.total = knownTotal;
+            }
+            // hash table for entries
+            int entriesLength = this.total * 3;
+            entries = new int[entriesLength];
+
+            int tablelen = ((total/2) | 1); // Odd -> fewer collisions
+            this.tablelen = tablelen;
+
+            int[] table = new int[tablelen];
+            this.table = table;
+
+            Arrays.fill(table, ZIP_ENDCHAIN);
+
+            // list for all meta entries
+            ArrayList<Integer> signatureNames = null;
+            // Set of all version numbers seen in META-INF/versions/
+            Set<Integer> metaVersionsSet = null;
+
+            // Iterate through the entries in the central directory
+            int idx = 0; // Index into the entries array
+            int pos = 0;
+            int entryPos = CENHDR;
+            int limit = cen.length - ENDHDR;
+            manifestNum = 0;
+            // Android-added: duplicate entries are not allowed. See CVE-2013-4787 and b/8219321
+            Set<String> entriesNames = new HashSet<>();
+            while (entryPos <= limit) {
+                if (idx >= entriesLength) {
+                    // This will only happen if the zip file has an incorrect
+                    // ENDTOT field, which usually means it contains more than
+                    // 65535 entries.
+                    initCEN(countCENHeaders(cen, limit));
+                    return;
+                }
+
+                // Checks the entry and adds values to entries[idx ... idx+2]
+                int nlen = checkAndAddEntry(pos, idx);
+
+                // BEGIN Android-added: duplicate entries are not allowed. See CVE-2013-4787
+                // and b/8219321.
+                // zipCoderForPos takes USE_UTF8 flag into account.
+                ZipCoder zcp = zipCoderForPos(entryPos);
+                String name = zcp.toString(cen, pos + CENHDR, nlen);
+                if (!entriesNames.add(name)) {
+                    zerror("Duplicate entry name: " + name);
+                }
+                // END Android-added: duplicate entries are not allowed. See CVE-2013-4787
+                // and b/8219321
+                // BEGIN Android-added: don't allow NUL in entry names. We can handle it in Java fine,
+                // but it is of questionable utility as a valid pathname can't contain NUL.
+                for (int nameIdx = 0; nameIdx < nlen; ++nameIdx) {
+                    byte b = cen[pos + CENHDR + nameIdx];
+
+                    if (b == 0) {
+                        zerror("Filename contains NUL byte: " + name);
+                    }
+                }
+                // END Android-added: don't allow NUL in entry names.
+                // BEGIN Android-changed: validation of zip entry names.
+                if (key.isZipFilePathValidatorEnabled && !ZipPathValidator.isClear()) {
+                    ZipPathValidator.getInstance().onZipEntryAccess(name);
+                }
+                // END Android-changed: validation of zip entry names.
+                idx += 3;
+
+                // Adds name to metanames.
+                if (isMetaName(cen, entryPos, nlen)) {
+                    // nlen is at least META_INF_LENGTH
+                    if (isManifestName(entryPos + META_INF_LEN, nlen - META_INF_LEN)) {
+                        manifestPos = pos;
+                        manifestNum++;
+                    } else {
+                        if (isSignatureRelated(entryPos, nlen)) {
+                            if (signatureNames == null)
+                                signatureNames = new ArrayList<>(4);
+                            signatureNames.add(pos);
+                        }
+
+                        // If this is a versioned entry, parse the version
+                        // and store it for later. This optimizes lookup
+                        // performance in multi-release jar files
+                        int version = getMetaVersion(entryPos + META_INF_LEN, nlen - META_INF_LEN);
+                        if (version > 0) {
+                            if (metaVersionsSet == null)
+                                metaVersionsSet = new TreeSet<>();
+                            metaVersionsSet.add(version);
+                        }
+                    }
+                }
+                // skip to the start of the next entry
+                pos = nextEntryPos(pos, entryPos, nlen);
+                entryPos = pos + CENHDR;
+            }
+
+            // Adjust the total entries
+            this.total = idx / 3;
+
+            if (signatureNames != null) {
+                int len = signatureNames.size();
+                signatureMetaNames = new int[len];
+                for (int j = 0; j < len; j++) {
+                    signatureMetaNames[j] = signatureNames.get(j);
+                }
+            }
+            if (metaVersionsSet != null) {
+                metaVersions = new int[metaVersionsSet.size()];
+                int c = 0;
+                for (Integer version : metaVersionsSet) {
+                    metaVersions[c++] = version;
+                }
+            } else {
+                metaVersions = EMPTY_META_VERSIONS;
+            }
+            if (pos + ENDHDR != cen.length) {
+                zerror("invalid CEN header (bad header size)");
+            }
+        }
+
+        private int nextEntryPos(int pos, int entryPos, int nlen) {
+            return entryPos + nlen + CENCOM(cen, pos) + CENEXT(cen, pos);
+        }
+
+        private static void zerror(String msg) throws ZipException {
+            throw new ZipException(msg);
+        }
+
+        /*
+         * Returns the {@code pos} of the zip cen entry corresponding to the
+         * specified entry name, or -1 if not found.
+         */
+        private int getEntryPos(String name, boolean addSlash) {
+            if (total == 0) {
+                return -1;
+            }
+
+            int hsh = ZipCoder.hash(name);
+            int idx = table[(hsh & 0x7fffffff) % tablelen];
+
+            // Search down the target hash chain for a entry whose
+            // 32 bit hash matches the hashed name.
+            while (idx != ZIP_ENDCHAIN) {
+                if (getEntryHash(idx) == hsh) {
+                    // The CEN name must match the specfied one
+                    int pos = getEntryPos(idx);
+
+                    try {
+                        ZipCoder zc = zipCoderForPos(pos);
+                        String entry = zc.toString(cen, pos + CENHDR, CENNAM(cen, pos));
+
+                        // If addSlash is true we'll test for name+/ in addition to
+                        // name, unless name is the empty string or already ends with a
+                        // slash
+                        int entryLen = entry.length();
+                        int nameLen = name.length();
+                        if ((entryLen == nameLen && entry.equals(name)) ||
+                                (addSlash &&
+                                nameLen + 1 == entryLen &&
+                                entry.startsWith(name) &&
+                                entry.charAt(entryLen - 1) == '/')) {
+                            return pos;
+                        }
+                    } catch (IllegalArgumentException iae) {
+                        // Ignore
+                    }
+                }
+                idx = getEntryNext(idx);
+            }
+            return -1;
+        }
+
+        private ZipCoder zipCoderForPos(int pos) {
+            if (zc.isUTF8()) {
+                return zc;
+            }
+            if ((CENFLG(cen, pos) & USE_UTF8) != 0) {
+                return ZipCoder.UTF8;
+            }
+            return zc;
+        }
+
+        /**
+         * Returns true if the bytes represent a non-directory name
+         * beginning with "META-INF/", disregarding ASCII case.
+         */
+        private static boolean isMetaName(byte[] name, int off, int len) {
+            // Use the "oldest ASCII trick in the book":
+            // ch | 0x20 == Character.toLowerCase(ch)
+            return len > META_INF_LEN       // "META-INF/".length()
+                && name[off + len - 1] != '/'  // non-directory
+                && (name[off++] | 0x20) == 'm'
+                && (name[off++] | 0x20) == 'e'
+                && (name[off++] | 0x20) == 't'
+                && (name[off++] | 0x20) == 'a'
+                && (name[off++]       ) == '-'
+                && (name[off++] | 0x20) == 'i'
+                && (name[off++] | 0x20) == 'n'
+                && (name[off++] | 0x20) == 'f'
+                && (name[off]         ) == '/';
+        }
+
+        /*
+         * Check if the bytes represents a name equals to MANIFEST.MF
+         */
+        private boolean isManifestName(int off, int len) {
+            byte[] name = cen;
+            return (len == 11 // "MANIFEST.MF".length()
+                    && (name[off++] | 0x20) == 'm'
+                    && (name[off++] | 0x20) == 'a'
+                    && (name[off++] | 0x20) == 'n'
+                    && (name[off++] | 0x20) == 'i'
+                    && (name[off++] | 0x20) == 'f'
+                    && (name[off++] | 0x20) == 'e'
+                    && (name[off++] | 0x20) == 's'
+                    && (name[off++] | 0x20) == 't'
+                    && (name[off++]       ) == '.'
+                    && (name[off++] | 0x20) == 'm'
+                    && (name[off]   | 0x20) == 'f');
+        }
+
+        private boolean isSignatureRelated(int off, int len) {
+            // Only called when isMetaName(name, off, len) is true, which means
+            // len is at least META_INF_LENGTH
+            // assert isMetaName(name, off, len)
+            boolean signatureRelated = false;
+            byte[] name = cen;
+            if (name[off + len - 3] == '.') {
+                // Check if entry ends with .EC and .SF
+                int b1 = name[off + len - 2] | 0x20;
+                int b2 = name[off + len - 1] | 0x20;
+                if ((b1 == 'e' && b2 == 'c') || (b1 == 's' && b2 == 'f')) {
+                    signatureRelated = true;
+                }
+            } else if (name[off + len - 4] == '.') {
+                // Check if entry ends with .DSA and .RSA
+                int b1 = name[off + len - 3] | 0x20;
+                int b2 = name[off + len - 2] | 0x20;
+                int b3 = name[off + len - 1] | 0x20;
+                if ((b1 == 'r' || b1 == 'd') && b2 == 's' && b3 == 'a') {
+                    signatureRelated = true;
+                }
+            }
+            // Above logic must match SignatureFileVerifier.isBlockOrSF
+            assert(signatureRelated == SignatureFileVerifier
+                // Android-changed: use StandardCharsets.
+                // .isBlockOrSF(new String(name, off, len, UTF_8.INSTANCE)
+                .isBlockOrSF(new String(name, off, len, StandardCharsets.UTF_8)
+                    .toUpperCase(Locale.ENGLISH)));
+            return signatureRelated;
+        }
+
+        /*
+         * If the bytes represents a non-directory name beginning
+         * with "versions/", continuing with a positive integer,
+         * followed by a '/', then return that integer value.
+         * Otherwise, return 0
+         */
+        private int getMetaVersion(int off, int len) {
+            byte[] name = cen;
+            int nend = off + len;
+            if (!(len > 10                         // "versions//".length()
+                    && name[off + len - 1] != '/'  // non-directory
+                    && (name[off++] | 0x20) == 'v'
+                    && (name[off++] | 0x20) == 'e'
+                    && (name[off++] | 0x20) == 'r'
+                    && (name[off++] | 0x20) == 's'
+                    && (name[off++] | 0x20) == 'i'
+                    && (name[off++] | 0x20) == 'o'
+                    && (name[off++] | 0x20) == 'n'
+                    && (name[off++] | 0x20) == 's'
+                    && (name[off++]       ) == '/')) {
+                return 0;
+            }
+            int version = 0;
+            while (off < nend) {
+                final byte c = name[off++];
+                if (c == '/') {
+                    return version;
+                }
+                if (c < '0' || c > '9') {
+                    return 0;
+                }
+                version = version * 10 + c - '0';
+                // Check for overflow and leading zeros
+                if (version <= 0) {
+                    return 0;
+                }
+            }
+            return 0;
+        }
+
+        /**
+         * Returns the number of CEN headers in a central directory.
+         * Will not throw, even if the zip file is corrupt.
+         *
+         * @param cen copy of the bytes in a zip file's central directory
+         * @param size number of bytes in central directory
+         */
+        private static int countCENHeaders(byte[] cen, int size) {
+            int count = 0;
+            for (int p = 0;
+                 p + CENHDR <= size;
+                 p += CENHDR + CENNAM(cen, p) + CENEXT(cen, p) + CENCOM(cen, p))
+                count++;
+            return count;
+        }
+    }
 }
diff --git a/ojluni/src/main/native/Deflater.c b/ojluni/src/main/native/Deflater.c
index 9ee0326..9dfff0a 100644
--- a/ojluni/src/main/native/Deflater.c
+++ b/ojluni/src/main/native/Deflater.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,25 +41,6 @@
 
 #define DEF_MEM_LEVEL 8
 
-static jfieldID levelID;
-static jfieldID strategyID;
-static jfieldID setParamsID;
-static jfieldID finishID;
-static jfieldID finishedID;
-static jfieldID bufID, offID, lenID;
-
-static void Deflater_initIDs(JNIEnv *env) {
-    jclass cls = (*env)->FindClass(env, "java/util/zip/Deflater");
-    levelID = (*env)->GetFieldID(env, cls, "level", "I");
-    strategyID = (*env)->GetFieldID(env, cls, "strategy", "I");
-    setParamsID = (*env)->GetFieldID(env, cls, "setParams", "Z");
-    finishID = (*env)->GetFieldID(env, cls, "finish", "Z");
-    finishedID = (*env)->GetFieldID(env, cls, "finished", "Z");
-    bufID = (*env)->GetFieldID(env, cls, "buf", "[B");
-    offID = (*env)->GetFieldID(env, cls, "off", "I");
-    lenID = (*env)->GetFieldID(env, cls, "len", "I");
-}
-
 JNIEXPORT jlong JNICALL
 Deflater_init(JNIEnv *env, jclass cls, jint level,
                                  jint strategy, jboolean nowrap)
@@ -98,17 +79,15 @@
     }
 }
 
-JNIEXPORT void JNICALL
-Deflater_setDictionary(JNIEnv *env, jclass cls, jlong addr,
-                                          jarray b, jint off, jint len)
+static void throwInternalErrorHelper(JNIEnv *env, z_stream *strm, const char *fixmsg) {
+    const char *msg = NULL;
+    msg = (strm->msg != NULL) ? strm->msg : fixmsg;
+    JNU_ThrowInternalError(env, msg);
+}
+
+static void checkSetDictionaryResult(JNIEnv *env, jlong addr, jint res)
 {
-    Bytef *buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
-    int res;
-    if (buf == 0) {/* out of memory */
-        return;
-    }
-    res = deflateSetDictionary((z_stream *)jlong_to_ptr(addr), buf + off, len);
-    (*env)->ReleasePrimitiveArrayCritical(env, b, buf, 0);
+    z_stream *strm = (z_stream *) jlong_to_ptr(addr);
     switch (res) {
     case Z_OK:
         break;
@@ -116,104 +95,198 @@
         JNU_ThrowIllegalArgumentException(env, 0);
         break;
     default:
-        JNU_ThrowInternalError(env, ((z_stream *)jlong_to_ptr(addr))->msg);
+        throwInternalErrorHelper(env, strm, "unknown error in checkSetDictionaryResult");
         break;
     }
 }
 
-JNIEXPORT jint JNICALL
-Deflater_deflateBytes(JNIEnv *env, jobject this, jlong addr,
-                                         jarray b, jint off, jint len, jint flush)
+JNIEXPORT void JNICALL
+Deflater_setDictionary(JNIEnv *env, jclass cls, jlong addr,
+                                          jbyteArray b, jint off, jint len)
+{
+    int res;
+    Bytef *buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
+    if (buf == NULL) /* out of memory */
+        return;
+    res = deflateSetDictionary(jlong_to_ptr(addr), buf + off, len);
+    (*env)->ReleasePrimitiveArrayCritical(env, b, buf, 0);
+    checkSetDictionaryResult(env, addr, res);
+}
+
+JNIEXPORT void JNICALL
+Deflater_setDictionaryBuffer(JNIEnv *env, jclass cls, jlong addr,
+                                          jlong bufferAddr, jint len)
+{
+    int res;
+    Bytef *buf = jlong_to_ptr(bufferAddr);
+    res = deflateSetDictionary(jlong_to_ptr(addr), buf, len);
+    checkSetDictionaryResult(env, addr, res);
+}
+
+static jint doDeflate(JNIEnv *env, jlong addr,
+                       jbyte *input, jint inputLen,
+                       jbyte *output, jint outputLen,
+                       jint flush, jint params)
 {
     z_stream *strm = jlong_to_ptr(addr);
-
-    jarray this_buf = (*env)->GetObjectField(env, this, bufID);
-    jint this_off = (*env)->GetIntField(env, this, offID);
-    jint this_len = (*env)->GetIntField(env, this, lenID);
-    jbyte *in_buf;
-    jbyte *out_buf;
+    int setParams = params & 1;
     int res;
-    if ((*env)->GetBooleanField(env, this, setParamsID)) {
-        int level = (*env)->GetIntField(env, this, levelID);
-        int strategy = (*env)->GetIntField(env, this, strategyID);
-        in_buf = (*env)->GetPrimitiveArrayCritical(env, this_buf, 0);
-        if (in_buf == NULL) {
-            // Throw OOME only when length is not zero
-            if (this_len != 0)
-                JNU_ThrowOutOfMemoryError(env, 0);
-            return 0;
-        }
-        out_buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
-        if (out_buf == NULL) {
-            (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
-            if (len != 0)
-                JNU_ThrowOutOfMemoryError(env, 0);
-            return 0;
-        }
 
-        strm->next_in = (Bytef *) (in_buf + this_off);
-        strm->next_out = (Bytef *) (out_buf + off);
-        strm->avail_in = this_len;
-        strm->avail_out = len;
+    strm->next_in  = (Bytef *) input;
+    strm->next_out = (Bytef *) output;
+    strm->avail_in  = inputLen;
+    strm->avail_out = outputLen;
+
+    if (setParams) {
+        int strategy = (params >> 1) & 3;
+        int level = params >> 3;
         res = deflateParams(strm, level, strategy);
-        (*env)->ReleasePrimitiveArrayCritical(env, b, out_buf, 0);
-        (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
+    } else {
+        res = deflate(strm, flush);
+    }
+    return res;
+}
 
+static jlong checkDeflateStatus(JNIEnv *env, jlong addr,
+                        jint inputLen,
+                        jint outputLen,
+                        jint params, int res)
+{
+    z_stream *strm = jlong_to_ptr(addr);
+    jint inputUsed = 0, outputUsed = 0;
+    int finished = 0;
+    int setParams = params & 1;
+
+    if (setParams) {
         switch (res) {
         case Z_OK:
-            (*env)->SetBooleanField(env, this, setParamsID, JNI_FALSE);
-            this_off += this_len - strm->avail_in;
-            (*env)->SetIntField(env, this, offID, this_off);
-            (*env)->SetIntField(env, this, lenID, strm->avail_in);
-            return len - strm->avail_out;
+            setParams = 0;
+            /* fall through */
         case Z_BUF_ERROR:
-            (*env)->SetBooleanField(env, this, setParamsID, JNI_FALSE);
-            return 0;
+            inputUsed = inputLen - strm->avail_in;
+            outputUsed = outputLen - strm->avail_out;
+            break;
         default:
-            JNU_ThrowInternalError(env, strm->msg);
+            throwInternalErrorHelper(env, strm, "unknown error in checkDeflateStatus, setParams case");
             return 0;
         }
     } else {
-        jboolean finish = (*env)->GetBooleanField(env, this, finishID);
-        in_buf = (*env)->GetPrimitiveArrayCritical(env, this_buf, 0);
-        if (in_buf == NULL) {
-            if (this_len != 0)
-                JNU_ThrowOutOfMemoryError(env, 0);
-            return 0;
-        }
-        out_buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
-        if (out_buf == NULL) {
-            (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
-            if (len != 0)
-                JNU_ThrowOutOfMemoryError(env, 0);
-
-            return 0;
-        }
-
-        strm->next_in = (Bytef *) (in_buf + this_off);
-        strm->next_out = (Bytef *) (out_buf + off);
-        strm->avail_in = this_len;
-        strm->avail_out = len;
-        res = deflate(strm, finish ? Z_FINISH : flush);
-        (*env)->ReleasePrimitiveArrayCritical(env, b, out_buf, 0);
-        (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
-
         switch (res) {
         case Z_STREAM_END:
-            (*env)->SetBooleanField(env, this, finishedID, JNI_TRUE);
+            finished = 1;
             /* fall through */
         case Z_OK:
-            this_off += this_len - strm->avail_in;
-            (*env)->SetIntField(env, this, offID, this_off);
-            (*env)->SetIntField(env, this, lenID, strm->avail_in);
-            return len - strm->avail_out;
         case Z_BUF_ERROR:
-            return 0;
-            default:
-            JNU_ThrowInternalError(env, strm->msg);
+            inputUsed = inputLen - strm->avail_in;
+            outputUsed = outputLen - strm->avail_out;
+            break;
+        default:
+            throwInternalErrorHelper(env, strm, "unknown error in checkDeflateStatus");
             return 0;
         }
     }
+    return ((jlong)inputUsed) | (((jlong)outputUsed) << 31) | (((jlong)finished) << 62) | (((jlong)setParams) << 63);
+}
+
+JNIEXPORT jlong JNICALL
+Deflater_deflateBytesBytes(JNIEnv *env, jobject this, jlong addr,
+                                         jbyteArray inputArray, jint inputOff, jint inputLen,
+                                         jbyteArray outputArray, jint outputOff, jint outputLen,
+                                         jint flush, jint params)
+{
+    jbyte *input = (*env)->GetPrimitiveArrayCritical(env, inputArray, 0);
+    jbyte *output;
+    jlong retVal;
+    jint res;
+
+    if (input == NULL) {
+        if (inputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)
+            JNU_ThrowOutOfMemoryError(env, 0);
+        return 0L;
+    }
+    output = (*env)->GetPrimitiveArrayCritical(env, outputArray, 0);
+    if (output == NULL) {
+        (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);
+        if (outputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)
+            JNU_ThrowOutOfMemoryError(env, 0);
+        return 0L;
+    }
+
+     res = doDeflate(env, addr, input + inputOff, inputLen,output + outputOff,
+                     outputLen, flush, params);
+
+    (*env)->ReleasePrimitiveArrayCritical(env, outputArray, output, 0);
+    (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);
+
+    retVal = checkDeflateStatus(env, addr, inputLen, outputLen, params, res);
+    return retVal;
+}
+
+
+JNIEXPORT jlong JNICALL
+Deflater_deflateBytesBuffer(JNIEnv *env, jobject this, jlong addr,
+                                         jbyteArray inputArray, jint inputOff, jint inputLen,
+                                         jlong outputBuffer, jint outputLen,
+                                         jint flush, jint params)
+{
+    jbyte *input = (*env)->GetPrimitiveArrayCritical(env, inputArray, 0);
+    jbyte *output;
+    jlong retVal;
+    jint res;
+    if (input == NULL) {
+        if (inputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)
+            JNU_ThrowOutOfMemoryError(env, 0);
+        return 0L;
+    }
+    output = jlong_to_ptr(outputBuffer);
+
+    res = doDeflate(env, addr, input + inputOff, inputLen, output, outputLen,
+                    flush, params);
+
+    (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);
+
+    retVal = checkDeflateStatus(env, addr, inputLen, outputLen, params, res);
+    return retVal;
+}
+
+JNIEXPORT jlong JNICALL
+Deflater_deflateBufferBytes(JNIEnv *env, jobject this, jlong addr,
+                                         jlong inputBuffer, jint inputLen,
+                                         jbyteArray outputArray, jint outputOff, jint outputLen,
+                                         jint flush, jint params)
+{
+    jbyte *input = jlong_to_ptr(inputBuffer);
+    jbyte *output = (*env)->GetPrimitiveArrayCritical(env, outputArray, 0);
+    jlong retVal;
+    jint res;
+    if (output == NULL) {
+        if (outputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)
+            JNU_ThrowOutOfMemoryError(env, 0);
+        return 0L;
+    }
+
+    res = doDeflate(env, addr, input, inputLen, output + outputOff, outputLen,
+                    flush, params);
+    (*env)->ReleasePrimitiveArrayCritical(env, outputArray, output, 0);
+
+    retVal = checkDeflateStatus(env, addr, inputLen, outputLen, params, res);
+    return retVal;
+}
+
+JNIEXPORT jlong JNICALL
+Deflater_deflateBufferBuffer(JNIEnv *env, jobject this, jlong addr,
+                                         jlong inputBuffer, jint inputLen,
+                                         jlong outputBuffer, jint outputLen,
+                                         jint flush, jint params)
+{
+    jbyte *input = jlong_to_ptr(inputBuffer);
+    jbyte *output = jlong_to_ptr(outputBuffer);
+    jlong retVal;
+    jint res;
+
+    res = doDeflate(env, addr, input, inputLen, output, outputLen, flush, params);
+    retVal = checkDeflateStatus(env, addr, inputLen, outputLen, params, res);
+    return retVal;
 }
 
 JNIEXPORT jint JNICALL
@@ -226,7 +299,7 @@
 Deflater_reset(JNIEnv *env, jclass cls, jlong addr)
 {
     if (deflateReset((z_stream *)jlong_to_ptr(addr)) != Z_OK) {
-        JNU_ThrowInternalError(env, 0);
+        JNU_ThrowInternalError(env, "deflateReset failed");
     }
 }
 
@@ -234,7 +307,7 @@
 Deflater_end(JNIEnv *env, jclass cls, jlong addr)
 {
     if (deflateEnd((z_stream *)jlong_to_ptr(addr)) == Z_STREAM_ERROR) {
-        JNU_ThrowInternalError(env, 0);
+        JNU_ThrowInternalError(env, "deflateEnd failed");
     } else {
         free((z_stream *)jlong_to_ptr(addr));
     }
@@ -243,7 +316,11 @@
 static JNINativeMethod gMethods[] = {
   NATIVE_METHOD(Deflater, init, "(IIZ)J"),
   NATIVE_METHOD(Deflater, setDictionary, "(J[BII)V"),
-  NATIVE_METHOD(Deflater, deflateBytes, "(J[BIII)I"),
+  NATIVE_METHOD(Deflater, setDictionaryBuffer, "(JJI)V"),
+  NATIVE_METHOD(Deflater, deflateBytesBytes, "(J[BII[BIIII)J"),
+  NATIVE_METHOD(Deflater, deflateBytesBuffer, "(J[BIIJIII)J"),
+  NATIVE_METHOD(Deflater, deflateBufferBytes, "(JJI[BIIII)J"),
+  NATIVE_METHOD(Deflater, deflateBufferBuffer, "(JJIJIII)J"),
   NATIVE_METHOD(Deflater, getAdler, "(J)I"),
   NATIVE_METHOD(Deflater, reset, "(J)V"),
   NATIVE_METHOD(Deflater, end, "(J)V"),
@@ -251,6 +328,4 @@
 
 void register_java_util_zip_Deflater(JNIEnv* env) {
     jniRegisterNativeMethods(env, "java/util/zip/Deflater", gMethods, NELEM(gMethods));
-
-    Deflater_initIDs(env);
 }
diff --git a/ojluni/src/main/native/Inflater.c b/ojluni/src/main/native/Inflater.c
index c4c24f0..2b664db 100644
--- a/ojluni/src/main/native/Inflater.c
+++ b/ojluni/src/main/native/Inflater.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -44,17 +44,17 @@
 #define ThrowDataFormatException(env, msg) \
         JNU_ThrowByName(env, "java/util/zip/DataFormatException", msg)
 
-static jfieldID needDictID;
-static jfieldID finishedID;
-static jfieldID bufID, offID, lenID;
+static jfieldID inputConsumedID;
+static jfieldID outputConsumedID;
 
-static void Inflater_initIDs(JNIEnv *env) {
+JNIEXPORT void JNICALL
+static Inflater_initIDs(JNIEnv *env)
+{
     jclass cls = (*env)->FindClass(env, "java/util/zip/Inflater");
-    needDictID = (*env)->GetFieldID(env, cls, "needDict", "Z");
-    finishedID = (*env)->GetFieldID(env, cls, "finished", "Z");
-    bufID = (*env)->GetFieldID(env, cls, "buf", "[B");
-    offID = (*env)->GetFieldID(env, cls, "off", "I");
-    lenID = (*env)->GetFieldID(env, cls, "len", "I");
+    inputConsumedID = (*env)->GetFieldID(env, cls, "inputConsumed", "I");
+    outputConsumedID = (*env)->GetFieldID(env, cls, "outputConsumed", "I");
+    CHECK_NULL(inputConsumedID);
+    CHECK_NULL(outputConsumedID);
 }
 
 JNIEXPORT jlong JNICALL
@@ -90,16 +90,8 @@
     }
 }
 
-JNIEXPORT void JNICALL
-Inflater_setDictionary(JNIEnv *env, jclass cls, jlong addr,
-                                          jarray b, jint off, jint len)
+static void checkSetDictionaryResult(JNIEnv *env, jlong addr, int res)
 {
-    Bytef *buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
-    int res;
-    if (buf == 0) /* out of memory */
-        return;
-    res = inflateSetDictionary(jlong_to_ptr(addr), buf + off, len);
-    (*env)->ReleasePrimitiveArrayCritical(env, b, buf, 0);
     switch (res) {
     case Z_OK:
         break;
@@ -113,68 +105,182 @@
     }
 }
 
-JNIEXPORT jint JNICALL
-Inflater_inflateBytes(JNIEnv *env, jobject this, jlong addr,
-                                         jarray b, jint off, jint len)
+JNIEXPORT void JNICALL
+Inflater_setDictionary(JNIEnv *env, jclass cls, jlong addr,
+                                          jbyteArray b, jint off, jint len)
+{
+    jint res;
+    Bytef *buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
+    if (buf == NULL) /* out of memory */
+        return;
+    res = inflateSetDictionary(jlong_to_ptr(addr), buf + off, len);
+    (*env)->ReleasePrimitiveArrayCritical(env, b, buf, 0);
+    checkSetDictionaryResult(env, addr, res);
+}
+
+JNIEXPORT void JNICALL
+Inflater_setDictionaryBuffer(JNIEnv *env, jclass cls, jlong addr,
+                                          jlong bufferAddr, jint len)
+{
+    jint res;
+    Bytef *buf = jlong_to_ptr(bufferAddr);
+    res = inflateSetDictionary(jlong_to_ptr(addr), buf, len);
+    checkSetDictionaryResult(env, addr, res);
+}
+
+static jint doInflate(jlong addr,
+                       jbyte *input, jint inputLen,
+                       jbyte *output, jint outputLen)
+{
+    jint ret;
+    z_stream *strm = jlong_to_ptr(addr);
+
+    strm->next_in  = (Bytef *) input;
+    strm->next_out = (Bytef *) output;
+    strm->avail_in  = inputLen;
+    strm->avail_out = outputLen;
+
+    ret = inflate(strm, Z_PARTIAL_FLUSH);
+    return ret;
+}
+
+static jlong checkInflateStatus(JNIEnv *env, jobject this, jlong addr,
+                        jint inputLen, jint outputLen, jint ret )
 {
     z_stream *strm = jlong_to_ptr(addr);
-    jarray this_buf = (jarray)(*env)->GetObjectField(env, this, bufID);
-    jint this_off = (*env)->GetIntField(env, this, offID);
-    jint this_len = (*env)->GetIntField(env, this, lenID);
-
-    jbyte *in_buf;
-    jbyte *out_buf;
-    int ret;
-
-    in_buf  = (*env)->GetPrimitiveArrayCritical(env, this_buf, 0);
-    if (in_buf == NULL) {
-        if (this_len != 0)
-            JNU_ThrowOutOfMemoryError(env, 0);
-        return 0;
-    }
-    out_buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
-    if (out_buf == NULL) {
-        (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
-        if (len != 0)
-            JNU_ThrowOutOfMemoryError(env, 0);
-        return 0;
-    }
-    strm->next_in  = (Bytef *) (in_buf + this_off);
-    strm->next_out = (Bytef *) (out_buf + off);
-    strm->avail_in  = this_len;
-    strm->avail_out = len;
-    ret = inflate(strm, Z_PARTIAL_FLUSH);
-    (*env)->ReleasePrimitiveArrayCritical(env, b, out_buf, 0);
-    (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
+    jint inputUsed = 0, outputUsed = 0;
+    int finished = 0;
+    int needDict = 0;
 
     switch (ret) {
     case Z_STREAM_END:
-        (*env)->SetBooleanField(env, this, finishedID, JNI_TRUE);
+        finished = 1;
         /* fall through */
     case Z_OK:
-        this_off += this_len - strm->avail_in;
-        (*env)->SetIntField(env, this, offID, this_off);
-        (*env)->SetIntField(env, this, lenID, strm->avail_in);
-        return len - strm->avail_out;
+        inputUsed = inputLen - strm->avail_in;
+        outputUsed = outputLen - strm->avail_out;
+        break;
     case Z_NEED_DICT:
-        (*env)->SetBooleanField(env, this, needDictID, JNI_TRUE);
+        needDict = 1;
         /* Might have consumed some input here! */
-        this_off += this_len - strm->avail_in;
-        (*env)->SetIntField(env, this, offID, this_off);
-        (*env)->SetIntField(env, this, lenID, strm->avail_in);
-        return 0;
+        inputUsed = inputLen - strm->avail_in;
+        /* zlib is unclear about whether output may be produced */
+        outputUsed = outputLen - strm->avail_out;
+        break;
     case Z_BUF_ERROR:
-        return 0;
+        break;
     case Z_DATA_ERROR:
+        inputUsed = inputLen - strm->avail_in;
+        (*env)->SetIntField(env, this, inputConsumedID, inputUsed);
+        outputUsed = outputLen - strm->avail_out;
+        (*env)->SetIntField(env, this, outputConsumedID, outputUsed);
         ThrowDataFormatException(env, strm->msg);
-        return 0;
+        break;
     case Z_MEM_ERROR:
         JNU_ThrowOutOfMemoryError(env, 0);
-        return 0;
+        break;
     default:
         JNU_ThrowInternalError(env, strm->msg);
-        return 0;
+        break;
     }
+    return ((jlong)inputUsed) | (((jlong)outputUsed) << 31) | (((jlong)finished) << 62) | (((jlong)needDict) << 63);
+}
+
+JNIEXPORT jlong JNICALL
+Inflater_inflateBytesBytes(JNIEnv *env, jobject this, jlong addr,
+                                         jbyteArray inputArray, jint inputOff, jint inputLen,
+                                         jbyteArray outputArray, jint outputOff, jint outputLen)
+{
+    jbyte *input = (*env)->GetPrimitiveArrayCritical(env, inputArray, 0);
+    jbyte *output;
+    jint ret;
+    jlong retVal;
+
+    if (input == NULL) {
+        if (inputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)
+            JNU_ThrowOutOfMemoryError(env, 0);
+        return 0L;
+    }
+    output = (*env)->GetPrimitiveArrayCritical(env, outputArray, 0);
+    if (output == NULL) {
+        (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);
+        if (outputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)
+            JNU_ThrowOutOfMemoryError(env, 0);
+        return 0L;
+    }
+
+    ret = doInflate(addr, input + inputOff, inputLen, output + outputOff,
+                    outputLen);
+
+    (*env)->ReleasePrimitiveArrayCritical(env, outputArray, output, 0);
+    (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);
+
+    retVal = checkInflateStatus(env, this, addr, inputLen, outputLen, ret );
+    return retVal;
+}
+
+JNIEXPORT jlong JNICALL
+Inflater_inflateBytesBuffer(JNIEnv *env, jobject this, jlong addr,
+                                         jbyteArray inputArray, jint inputOff, jint inputLen,
+                                         jlong outputBuffer, jint outputLen)
+{
+    jbyte *input = (*env)->GetPrimitiveArrayCritical(env, inputArray, 0);
+    jbyte *output;
+    jint ret;
+    jlong retVal;
+
+    if (input == NULL) {
+        if (inputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)
+            JNU_ThrowOutOfMemoryError(env, 0);
+        return 0L;
+    }
+    output = jlong_to_ptr(outputBuffer);
+
+    ret = doInflate(addr, input + inputOff, inputLen, output, outputLen);
+
+    (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);
+    retVal = checkInflateStatus(env, this, addr, inputLen, outputLen, ret );
+
+    return retVal;
+}
+
+JNIEXPORT jlong JNICALL
+Inflater_inflateBufferBytes(JNIEnv *env, jobject this, jlong addr,
+                                         jlong inputBuffer, jint inputLen,
+                                         jbyteArray outputArray, jint outputOff, jint outputLen)
+{
+    jbyte *input = jlong_to_ptr(inputBuffer);
+    jbyte *output = (*env)->GetPrimitiveArrayCritical(env, outputArray, 0);
+    jint ret;
+    jlong retVal;
+
+    if (output == NULL) {
+        if (outputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)
+            JNU_ThrowOutOfMemoryError(env, 0);
+        return 0L;
+    }
+
+    ret = doInflate(addr, input, inputLen, output  + outputOff, outputLen);
+
+    (*env)->ReleasePrimitiveArrayCritical(env, outputArray, output, 0);
+    retVal = checkInflateStatus(env, this, addr, inputLen, outputLen, ret );
+
+    return retVal;
+}
+
+JNIEXPORT jlong JNICALL
+Inflater_inflateBufferBuffer(JNIEnv *env, jobject this, jlong addr,
+                                         jlong inputBuffer, jint inputLen,
+                                         jlong outputBuffer, jint outputLen)
+{
+    jbyte *input = jlong_to_ptr(inputBuffer);
+    jbyte *output = jlong_to_ptr(outputBuffer);
+    jint ret;
+    jlong retVal;
+
+    ret = doInflate(addr, input, inputLen, output, outputLen);
+    retVal = checkInflateStatus(env, this, addr, inputLen, outputLen, ret);
+    return retVal;
 }
 
 JNIEXPORT jint JNICALL
@@ -204,7 +310,11 @@
 static JNINativeMethod gMethods[] = {
   NATIVE_METHOD(Inflater, init, "(Z)J"),
   NATIVE_METHOD(Inflater, setDictionary, "(J[BII)V"),
-  NATIVE_METHOD(Inflater, inflateBytes, "(J[BII)I"),
+  NATIVE_METHOD(Inflater, setDictionaryBuffer, "(JJI)V"),
+  NATIVE_METHOD(Inflater, inflateBytesBytes, "(J[BII[BII)J"),
+  NATIVE_METHOD(Inflater, inflateBytesBuffer, "(J[BIIJI)J"),
+  NATIVE_METHOD(Inflater, inflateBufferBytes, "(JJI[BII)J"),
+  NATIVE_METHOD(Inflater, inflateBufferBuffer, "(JJIJI)J"),
   NATIVE_METHOD(Inflater, getAdler, "(J)I"),
   NATIVE_METHOD(Inflater, reset, "(J)V"),
   NATIVE_METHOD(Inflater, end, "(J)V"),
diff --git a/ojluni/src/main/native/ZipFile.c b/ojluni/src/main/native/ZipFile.c
index 314b6c7..fcdd41c 100644
--- a/ojluni/src/main/native/ZipFile.c
+++ b/ojluni/src/main/native/ZipFile.c
@@ -59,16 +59,6 @@
 static int OPEN_READ = java_util_zip_ZipFile_OPEN_READ;
 static int OPEN_DELETE = java_util_zip_ZipFile_OPEN_DELETE;
 
-static void ZipFile_initIDs(JNIEnv *env)
-{
-    jclass cls = (*env)->FindClass(env, "java/util/zip/ZipFile");
-    jzfileID = (*env)->GetFieldID(env, cls, "jzfile", "J");
-    assert(jzfileID != 0);
-    jzOnZipEntryAccessID = (*env)->GetMethodID(env, cls, "onZipEntryAccess", "([BI)V");
-    assert(jzOnZipEntryAccessID != 0);
-}
-
-
 static void
 ThrowZipException(JNIEnv *env, const char *msg)
 {
@@ -423,9 +413,4 @@
   NATIVE_METHOD(JarFile, getMetaInfEntryNames, "()[Ljava/lang/String;"),
 };
 
-void register_java_util_zip_ZipFile(JNIEnv* env) {
-  jniRegisterNativeMethods(env, "java/util/zip/ZipFile", gMethods, NELEM(gMethods));
-  ZipFile_initIDs(env);
-
-  jniRegisterNativeMethods(env, "java/util/jar/JarFile", gJarFileMethods, NELEM(gJarFileMethods));
-}
+void register_java_util_zip_ZipFile(JNIEnv* env) {}
diff --git a/ojluni/src/test/java/security/cert/AKISerialNumberTest.java b/ojluni/src/test/java/security/cert/AKISerialNumberTest.java
index eff0762..1ad6787 100644
--- a/ojluni/src/test/java/security/cert/AKISerialNumberTest.java
+++ b/ojluni/src/test/java/security/cert/AKISerialNumberTest.java
@@ -109,7 +109,7 @@
     private static CertificateFactory cf;
 
     // Android-changed: Removed args & added @Test
-    @Test(enabled = false)
+    @Test
     public static void main() throws Exception {
 
         cf = CertificateFactory.getInstance("X.509");
@@ -125,6 +125,8 @@
         PKIXBuilderParameters params = new PKIXBuilderParameters
             (Collections.singleton(anchor), sel);
         params.setRevocationEnabled(false);
+        // Set date to 2024-01-01 to satisfy cert constraints
+        params.setDate(new java.util.Date(1704067200000l));
 
         ArrayList<X509Certificate> certs = new ArrayList<>();
         certs.add(intCert);