| /* |
| * 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.jar.JarFile; |
| import java.util.stream.Stream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipFile; |
| import jdk.internal.util.jar.VersionedStream; |
| import jdk.tools.jlink.internal.Archive.Entry.EntryType; |
| |
| /** |
| * An Archive backed by a jar file. |
| */ |
| public abstract class JarArchive implements Archive { |
| |
| /** |
| * An entry located in a jar file. |
| */ |
| public class JarEntry extends Entry { |
| |
| private final long size; |
| private final ZipEntry entry; |
| private final ZipFile file; |
| |
| JarEntry(String path, String name, EntryType type, ZipFile file, ZipEntry entry) { |
| super(JarArchive.this, path, name, type); |
| this.entry = Objects.requireNonNull(entry); |
| this.file = Objects.requireNonNull(file); |
| size = entry.getSize(); |
| } |
| |
| /** |
| * Returns the number of uncompressed bytes for this entry. |
| */ |
| @Override |
| public long size() { |
| return size; |
| } |
| |
| @Override |
| public InputStream stream() throws IOException { |
| return file.getInputStream(entry); |
| } |
| } |
| |
| private final Path file; |
| private final String moduleName; |
| // currently processed JarFile |
| private JarFile jarFile; |
| |
| protected JarArchive(String mn, Path file) { |
| Objects.requireNonNull(mn); |
| Objects.requireNonNull(file); |
| this.moduleName = mn; |
| this.file = file; |
| } |
| |
| @Override |
| public String moduleName() { |
| return moduleName; |
| } |
| |
| @Override |
| public Path getPath() { |
| return file; |
| } |
| |
| @Override |
| public Stream<Entry> entries() { |
| try { |
| if (jarFile == null) { |
| open(); |
| } |
| } catch (IOException ioe) { |
| throw new UncheckedIOException(ioe); |
| } |
| return VersionedStream.stream(jarFile) |
| .filter(je -> !je.isDirectory()) |
| .map(this::toEntry); |
| } |
| |
| abstract EntryType toEntryType(String entryName); |
| |
| abstract String getFileName(String entryName); |
| |
| abstract Entry toEntry(ZipEntry ze); |
| |
| @Override |
| public void close() throws IOException { |
| if (jarFile != null) { |
| jarFile.close(); |
| } |
| } |
| |
| @Override |
| public void open() throws IOException { |
| if (jarFile != null) { |
| jarFile.close(); |
| } |
| jarFile = new JarFile(file.toFile(), true, ZipFile.OPEN_READ, JarFile.runtimeVersion()); |
| } |
| |
| protected JarFile getJarFile() { |
| return jarFile; |
| } |
| } |