| /* |
| * Copyright (c) 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 |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * 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. |
| * |
| */ |
| import org.testng.annotations.Test; |
| |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.URI; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.FileSystem; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Arrays; |
| import java.util.Map; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipFile; |
| import java.util.zip.ZipInputStream; |
| |
| import static org.testng.Assert.*; |
| |
| /** |
| * @test |
| * @bug 8232879 |
| * @summary Test OutputStream::write with Zip FS |
| * @modules jdk.zipfs |
| * @run testng/othervm CRCWriteTest |
| */ |
| public class CRCWriteTest { |
| |
| // Jar File path used by the test |
| private final Path JAR_FILE = Path.of("CRCWrite.jar"); |
| |
| /** |
| * Validate that an OutputStream obtained for the Zip FileSystem |
| * can be used successfully with the OutputStream write methods |
| */ |
| @Test |
| public void zipFsOsDeflatedWriteTest() throws Exception { |
| Files.deleteIfExists(JAR_FILE); |
| String[] msg = {"Hello ", "Tennis Anyone", "!!!!"}; |
| Entry e0 = Entry.of("Entry-0", ZipEntry.DEFLATED, String.join("",msg)); |
| |
| try (FileSystem zipfs = FileSystems.newFileSystem( |
| new URI("jar", JAR_FILE.toUri().toString(), null), |
| Map.of("create", "true"))) { |
| |
| // Write to the Jar file using the various OutputStream write methods |
| try (OutputStream os = Files.newOutputStream(zipfs.getPath(e0.name))) { |
| for (byte b : msg[0].getBytes(StandardCharsets.UTF_8)) { |
| os.write(b); |
| } |
| os.write(msg[1].getBytes(StandardCharsets.UTF_8)); |
| os.write(msg[2].getBytes(StandardCharsets.UTF_8), 0, msg[2].length()); |
| } |
| } |
| verify(JAR_FILE, e0); |
| } |
| |
| /** |
| * Represents an entry in a Zip file. An entry encapsulates a name, a |
| * compression method, and its contents/data. |
| */ |
| static class Entry { |
| private final String name; |
| private final int method; |
| private final byte[] bytes; |
| |
| Entry(String name, int method, String contents) { |
| this.name = name; |
| this.method = method; |
| this.bytes = contents.getBytes(StandardCharsets.UTF_8); |
| } |
| |
| static Entry of(String name, int method, String contents) { |
| return new Entry(name, method, contents); |
| } |
| |
| /** |
| * Returns a new Entry with the same name and compression method as this |
| * Entry but with the given content. |
| */ |
| Entry content(String contents) { |
| return new Entry(name, method, contents); |
| } |
| } |
| |
| /** |
| * Verify that the given path is a Zip file containing exactly the |
| * given entries. |
| */ |
| private static void verify(Path zipfile, Entry... entries) throws IOException { |
| |
| // check entries with ZipFile API |
| try (ZipFile zf = new ZipFile(zipfile.toFile())) { |
| // check entry count |
| assertEquals(entries.length, zf.size()); |
| |
| // Check compression method and content of each entry |
| for (Entry e : entries) { |
| ZipEntry ze = zf.getEntry(e.name); |
| assertNotNull(ze); |
| assertEquals(e.method, ze.getMethod()); |
| try (InputStream in = zf.getInputStream(ze)) { |
| byte[] bytes = in.readAllBytes(); |
| assertTrue(Arrays.equals(bytes, e.bytes)); |
| } |
| } |
| } |
| |
| // Check entries using ZipInputStream |
| for (Entry e : entries) { |
| try (ZipInputStream zis = |
| new ZipInputStream(new FileInputStream(zipfile.toFile()))) { |
| ZipEntry ze; |
| while ((ze = zis.getNextEntry()) != null) { |
| assertEquals(e.method, ze.getMethod()); |
| byte[] bytes = zis.readAllBytes(); |
| assertTrue(Arrays.equals(bytes, e.bytes)); |
| } |
| } |
| } |
| |
| // Check entries with FileSystem API |
| try (FileSystem fs = FileSystems.newFileSystem(zipfile, null)) { |
| // check entry count |
| Path top = fs.getPath("/"); |
| long count = Files.find(top, Integer.MAX_VALUE, |
| (path, attrs) -> attrs.isRegularFile()).count(); |
| assertEquals(entries.length, count); |
| |
| // check content of each entry |
| for (Entry e : entries) { |
| Path file = fs.getPath(e.name); |
| byte[] bytes = Files.readAllBytes(file); |
| assertTrue(Arrays.equals(bytes, e.bytes)); |
| } |
| } |
| } |
| } |
| |
| |