--- old/src/java.base/share/classes/jdk/internal/jimage/ImageFile.java 2015-06-23 14:29:29.000000000 +0200
+++ /dev/null 2015-06-23 14:29:29.000000000 +0200
@@ -1,288 +0,0 @@
-/*
- * 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.internal.jimage;
-
-import java.io.BufferedOutputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.nio.ByteOrder;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.function.Consumer;
-import java.util.function.Function;
-import java.util.stream.Collectors;
-import java.util.zip.DataFormatException;
-import java.util.zip.Deflater;
-import java.util.zip.Inflater;
-import jdk.internal.jimage.ImageModules.Loader;
-import jdk.internal.jimage.ImageModules.ModuleIndex;
-
-/**
- * An image (native endian.)
- * {@code
- * {
- * u4 magic;
- * u2 major_version;
- * u2 minor_version;
- * u4 location_count;
- * u4 location_attributes_size;
- * u4 strings_size;
- * u4 redirect[location_count];
- * u4 offsets[location_count];
- * u1 location_attributes[location_attributes_size];
- * u1 strings[strings_size];
- * u1 content[if !EOF];
- * }
- * }
- */
-public final class ImageFile {
- private static final String JAVA_BASE = "java.base";
- private static final String IMAGE_EXT = ".jimage";
- private static final String JAR_EXT = ".jar";
- private final Path root;
- private final Path mdir;
- private final Map> resourcesForModule = new HashMap<>();
-
- private ImageFile(Path path) {
- this.root = path;
- this.mdir = root.resolve(path.getFileSystem().getPath("lib", "modules"));
- }
-
- public static ImageFile open(Path path) throws IOException {
- ImageFile lib = new ImageFile(path);
- return lib.open();
- }
-
- private ImageFile open() throws IOException {
- Path path = mdir.resolve("bootmodules" + IMAGE_EXT);
-
- ImageReader reader = new ImageReader(path.toString());
- ImageHeader header = reader.getHeader();
-
- if (header.getMagic() != ImageHeader.MAGIC) {
- if (header.getMagic() == ImageHeader.BADMAGIC) {
- throw new IOException(path + ": Image may be not be native endian");
- } else {
- throw new IOException(path + ": Invalid magic number");
- }
- }
-
- if (header.getMajorVersion() > ImageHeader.MAJOR_VERSION ||
- (header.getMajorVersion() == ImageHeader.MAJOR_VERSION &&
- header.getMinorVersion() > ImageHeader.MINOR_VERSION)) {
- throw new IOException("invalid version number");
- }
-
- return this;
- }
-
- public static ImageFile create(Path output,
- Set archives,
- ImageModules modules)
- throws IOException
- {
- return ImageFile.create(output, archives, modules, ByteOrder.nativeOrder());
- }
-
- public static ImageFile create(Path output,
- Set archives,
- ImageModules modules,
- ByteOrder byteOrder)
- throws IOException
- {
- ImageFile lib = new ImageFile(output);
- // get all resources
- lib.readModuleEntries(modules, archives);
- // write to modular image
- lib.writeImage(modules, archives, byteOrder);
- return lib;
- }
-
- private void writeImage(ImageModules modules,
- Set archives,
- ByteOrder byteOrder)
- throws IOException
- {
- // name to Archive file
- Map nameToArchive =
- archives.stream()
- .collect(Collectors.toMap(Archive::moduleName, Function.identity()));
-
- Files.createDirectories(mdir);
- for (Loader l : Loader.values()) {
- Set mods = modules.getModules(l);
-
- try (OutputStream fos = Files.newOutputStream(mdir.resolve(l.getName() + IMAGE_EXT));
- BufferedOutputStream bos = new BufferedOutputStream(fos);
- DataOutputStream out = new DataOutputStream(bos)) {
- // store index in addition of the class loader map for boot loader
- BasicImageWriter writer = new BasicImageWriter(byteOrder);
- Set duplicates = new HashSet<>();
-
- // build package map for modules and add as resources
- ModuleIndex mindex = modules.buildModuleIndex(l, writer);
- long offset = mindex.size();
-
- // the order of traversing the resources and the order of
- // the module content being written must be the same
- for (String mn : mods) {
- for (Resource res : resourcesForModule.get(mn)) {
- String path = res.name();
- long uncompressedSize = res.size();
- long compressedSize = res.csize();
- long onFileSize = compressedSize != 0 ? compressedSize : uncompressedSize;
-
- if (duplicates.contains(path)) {
- System.err.format("duplicate resource \"%s\", skipping%n", path);
- // TODO Need to hang bytes on resource and write from resource not zip.
- // Skipping resource throws off writing from zip.
- offset += onFileSize;
- continue;
- }
- duplicates.add(path);
- writer.addLocation(path, offset, compressedSize, uncompressedSize);
- offset += onFileSize;
- }
- }
-
- // write header and indices
- byte[] bytes = writer.getBytes();
- out.write(bytes, 0, bytes.length);
-
- // write module table and packages
- mindex.writeTo(out);
-
- // write module content
- for (String mn : mods) {
- writeModule(nameToArchive.get(mn), out);
- }
- }
- }
- }
-
- private void readModuleEntries(ImageModules modules,
- Set archives)
- throws IOException
- {
- for (Archive archive : archives) {
- List res = new ArrayList<>();
- archive.visitResources(x-> res.add(x));
-
- String mn = archive.moduleName();
- resourcesForModule.put(mn, res);
-
- Set pkgs = res.stream().map(Resource::name)
- .filter(n -> n.endsWith(".class"))
- .map(this::toPackage)
- .distinct()
- .collect(Collectors.toSet());
- modules.setPackages(mn, pkgs);
- }
- }
-
- private String toPackage(String name) {
- int index = name.lastIndexOf('/');
- if (index > 0) {
- return name.substring(0, index).replace('/', '.');
- } else {
- // ## unnamed package
- System.err.format("Warning: %s in unnamed package%n", name);
- return "";
- }
- }
-
- private void writeModule(Archive archive,
- OutputStream out)
- throws IOException
- {
- Consumer consumer = archive.defaultImageWriter(root, out);
- archive.visitEntries(consumer);
- }
-
-
- static class Compressor {
- public static byte[] compress(byte[] bytesIn) {
- Deflater deflater = new Deflater();
- deflater.setInput(bytesIn);
- ByteArrayOutputStream stream = new ByteArrayOutputStream(bytesIn.length);
- byte[] buffer = new byte[1024];
-
- deflater.finish();
- while (!deflater.finished()) {
- int count = deflater.deflate(buffer);
- stream.write(buffer, 0, count);
- }
-
- try {
- stream.close();
- } catch (IOException ex) {
- return bytesIn;
- }
-
- byte[] bytesOut = stream.toByteArray();
- deflater.end();
-
- return bytesOut;
- }
-
- public static byte[] decompress(byte[] bytesIn) {
- Inflater inflater = new Inflater();
- inflater.setInput(bytesIn);
- ByteArrayOutputStream stream = new ByteArrayOutputStream(bytesIn.length);
- byte[] buffer = new byte[1024];
-
- while (!inflater.finished()) {
- int count;
-
- try {
- count = inflater.inflate(buffer);
- } catch (DataFormatException ex) {
- return null;
- }
-
- stream.write(buffer, 0, count);
- }
-
- try {
- stream.close();
- } catch (IOException ex) {
- return null;
- }
-
- byte[] bytesOut = stream.toByteArray();
- inflater.end();
-
- return bytesOut;
- }
- }
-}