| /* |
| * Copyright (c) 2014, 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 jdk.tools.jlink.internal; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.UncheckedIOException; |
| import java.nio.file.Path; |
| import java.util.Objects; |
| import java.util.stream.Stream; |
| |
| import jdk.internal.jmod.JmodFile; |
| import jdk.tools.jlink.internal.Archive.Entry.EntryType; |
| |
| /** |
| * An Archive backed by a jmod file. |
| */ |
| public class JmodArchive implements Archive { |
| private static final String JMOD_EXT = ".jmod"; |
| |
| /** |
| * An entry located in a jmod file. |
| */ |
| public class JmodEntry extends Entry { |
| private final JmodFile.Entry entry; |
| |
| JmodEntry(String path, String name, EntryType type, |
| JmodFile.Entry entry) { |
| super(JmodArchive.this, path, name, type); |
| this.entry = Objects.requireNonNull(entry); |
| } |
| |
| /** |
| * Returns the number of uncompressed bytes for this entry. |
| */ |
| @Override |
| public long size() { |
| return entry.size(); |
| } |
| |
| @Override |
| public InputStream stream() throws IOException { |
| return jmodFile.getInputStream(entry.section(), entry.name()); |
| } |
| } |
| |
| private final Path file; |
| private final String moduleName; |
| private JmodFile jmodFile; |
| |
| public JmodArchive(String mn, Path jmod) { |
| Objects.requireNonNull(mn); |
| Objects.requireNonNull(jmod.getFileName()); |
| String filename = jmod.toString(); |
| if (!filename.endsWith(JMOD_EXT)) { |
| throw new UnsupportedOperationException("Unsupported format: " + filename); |
| } |
| this.moduleName = mn; |
| this.file = jmod; |
| } |
| |
| @Override |
| public String moduleName() { |
| return moduleName; |
| } |
| |
| @Override |
| public Path getPath() { |
| return file; |
| } |
| |
| @Override |
| public Stream<Entry> entries() { |
| ensureOpen(); |
| return jmodFile.stream() |
| .map(this::toEntry); |
| } |
| |
| @Override |
| public void open() throws IOException { |
| if (jmodFile != null) { |
| jmodFile.close(); |
| } |
| this.jmodFile = new JmodFile(file); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (jmodFile != null) { |
| jmodFile.close(); |
| } |
| } |
| |
| private void ensureOpen() { |
| if (jmodFile == null) { |
| try { |
| open(); |
| } catch(IOException ioe){ |
| throw new UncheckedIOException(ioe); |
| } |
| } |
| } |
| |
| private EntryType toEntryType(JmodFile.Section section) { |
| switch (section) { |
| case CLASSES: |
| return EntryType.CLASS_OR_RESOURCE; |
| case CONFIG: |
| return EntryType.CONFIG; |
| case HEADER_FILES: |
| return EntryType.HEADER_FILE; |
| case LEGAL_NOTICES: |
| return EntryType.LEGAL_NOTICE; |
| case MAN_PAGES: |
| return EntryType.MAN_PAGE; |
| case NATIVE_LIBS: |
| return EntryType.NATIVE_LIB; |
| case NATIVE_CMDS: |
| return EntryType.NATIVE_CMD; |
| default: |
| throw new InternalError("unexpected entry: " + section); |
| } |
| } |
| |
| private Entry toEntry(JmodFile.Entry entry) { |
| EntryType type = toEntryType(entry.section()); |
| String prefix = entry.section().jmodDir(); |
| String name = entry.name(); |
| String path = prefix + "/" + name; |
| String resourceName = name; |
| |
| // The resource name represents the path of ResourcePoolEntry |
| // and its subpath defines the ultimate path to be written |
| // to the image relative to the directory corresponding to that |
| // resource type. |
| // |
| // For classes and resources, the resource name does not have |
| // a prefix (<package>/<name>). They will be written to the jimage. |
| // |
| // For other kind of entries, it will keep the section name as |
| // the prefix for unique identification. The subpath (taking |
| // out the section name) is the pathname to be written to the |
| // corresponding directory in the image. |
| // |
| if (type == EntryType.LEGAL_NOTICE) { |
| // legal notices are written to per-module directory |
| resourceName = prefix + "/" + moduleName + "/" + name; |
| } else if (type != EntryType.CLASS_OR_RESOURCE) { |
| resourceName = path; |
| } |
| |
| return new JmodEntry(path, resourceName, type, entry); |
| } |
| } |