--- a/jdk/src/java.base/share/classes/sun/misc/JarIndex.java Tue Apr 05 10:34:05 2016 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,333 +0,0 @@
-/*
- * Copyright (c) 1999, 2012, 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 sun.misc;
-
-import java.io.*;
-import java.util.*;
-import java.util.jar.*;
-import java.util.zip.*;
-
-/**
- * This class is used to maintain mappings from packages, classes
- * and resources to their enclosing JAR files. Mappings are kept
- * at the package level except for class or resource files that
- * are located at the root directory. URLClassLoader uses the mapping
- * information to determine where to fetch an extension class or
- * resource from.
- *
- * @author Zhenghua Li
- * @since 1.3
- */
-
-public class JarIndex {
-
- /**
- * The hash map that maintains mappings from
- * package/classe/resource to jar file list(s)
- */
- private HashMap<String,LinkedList<String>> indexMap;
-
- /**
- * The hash map that maintains mappings from
- * jar file to package/class/resource lists
- */
- private HashMap<String,LinkedList<String>> jarMap;
-
- /*
- * An ordered list of jar file names.
- */
- private String[] jarFiles;
-
- /**
- * The index file name.
- */
- public static final String INDEX_NAME = "META-INF/INDEX.LIST";
-
- /**
- * true if, and only if, sun.misc.JarIndex.metaInfFilenames is set to true.
- * If true, the names of the files in META-INF, and its subdirectories, will
- * be added to the index. Otherwise, just the directory names are added.
- */
- private static final boolean metaInfFilenames =
- "true".equals(System.getProperty("sun.misc.JarIndex.metaInfFilenames"));
-
- /**
- * Constructs a new, empty jar index.
- */
- public JarIndex() {
- indexMap = new HashMap<>();
- jarMap = new HashMap<>();
- }
-
- /**
- * Constructs a new index from the specified input stream.
- *
- * @param is the input stream containing the index data
- */
- public JarIndex(InputStream is) throws IOException {
- this();
- read(is);
- }
-
- /**
- * Constructs a new index for the specified list of jar files.
- *
- * @param files the list of jar files to construct the index from.
- */
- public JarIndex(String[] files) throws IOException {
- this();
- this.jarFiles = files;
- parseJars(files);
- }
-
- /**
- * Returns the jar index, or <code>null</code> if none.
- *
- * @param jar the JAR file to get the index from.
- * @exception IOException if an I/O error has occurred.
- */
- public static JarIndex getJarIndex(JarFile jar) throws IOException {
- JarIndex index = null;
- JarEntry e = jar.getJarEntry(INDEX_NAME);
- // if found, then load the index
- if (e != null) {
- index = new JarIndex(jar.getInputStream(e));
- }
- return index;
- }
-
- /**
- * Returns the jar files that are defined in this index.
- */
- public String[] getJarFiles() {
- return jarFiles;
- }
-
- /*
- * Add the key, value pair to the hashmap, the value will
- * be put in a linked list which is created if necessary.
- */
- private void addToList(String key, String value,
- HashMap<String,LinkedList<String>> t) {
- LinkedList<String> list = t.get(key);
- if (list == null) {
- list = new LinkedList<>();
- list.add(value);
- t.put(key, list);
- } else if (!list.contains(value)) {
- list.add(value);
- }
- }
-
- /**
- * Returns the list of jar files that are mapped to the file.
- *
- * @param fileName the key of the mapping
- */
- public LinkedList<String> get(String fileName) {
- LinkedList<String> jarFiles = null;
- if ((jarFiles = indexMap.get(fileName)) == null) {
- /* try the package name again */
- int pos;
- if((pos = fileName.lastIndexOf('/')) != -1) {
- jarFiles = indexMap.get(fileName.substring(0, pos));
- }
- }
- return jarFiles;
- }
-
- /**
- * Add the mapping from the specified file to the specified
- * jar file. If there were no mapping for the package of the
- * specified file before, a new linked list will be created,
- * the jar file is added to the list and a new mapping from
- * the package to the jar file list is added to the hashmap.
- * Otherwise, the jar file will be added to the end of the
- * existing list.
- *
- * @param fileName the file name
- * @param jarName the jar file that the file is mapped to
- *
- */
- public void add(String fileName, String jarName) {
- String packageName;
- int pos;
- if((pos = fileName.lastIndexOf('/')) != -1) {
- packageName = fileName.substring(0, pos);
- } else {
- packageName = fileName;
- }
-
- addMapping(packageName, jarName);
- }
-
- /**
- * Same as add(String,String) except that it doesn't strip off from the
- * last index of '/'. It just adds the jarItem (filename or package)
- * as it is received.
- */
- private void addMapping(String jarItem, String jarName) {
- // add the mapping to indexMap
- addToList(jarItem, jarName, indexMap);
-
- // add the mapping to jarMap
- addToList(jarName, jarItem, jarMap);
- }
-
- /**
- * Go through all the jar files and construct the
- * index table.
- */
- private void parseJars(String[] files) throws IOException {
- if (files == null) {
- return;
- }
-
- String currentJar = null;
-
- for (int i = 0; i < files.length; i++) {
- currentJar = files[i];
- ZipFile zrf = new ZipFile(currentJar.replace
- ('/', File.separatorChar));
-
- Enumeration<? extends ZipEntry> entries = zrf.entries();
- while(entries.hasMoreElements()) {
- ZipEntry entry = entries.nextElement();
- String fileName = entry.getName();
-
- // Skip the META-INF directory, the index, and manifest.
- // Any files in META-INF/ will be indexed explicitly
- if (fileName.equals("META-INF/") ||
- fileName.equals(INDEX_NAME) ||
- fileName.equals(JarFile.MANIFEST_NAME))
- continue;
-
- if (!metaInfFilenames || !fileName.startsWith("META-INF/")) {
- add(fileName, currentJar);
- } else if (!entry.isDirectory()) {
- // Add files under META-INF explicitly so that certain
- // services, like ServiceLoader, etc, can be located
- // with greater accuracy. Directories can be skipped
- // since each file will be added explicitly.
- addMapping(fileName, currentJar);
- }
- }
-
- zrf.close();
- }
- }
-
- /**
- * Writes the index to the specified OutputStream
- *
- * @param out the output stream
- * @exception IOException if an I/O error has occurred
- */
- public void write(OutputStream out) throws IOException {
- BufferedWriter bw = new BufferedWriter
- (new OutputStreamWriter(out, "UTF8"));
- bw.write("JarIndex-Version: 1.0\n\n");
-
- if (jarFiles != null) {
- for (int i = 0; i < jarFiles.length; i++) {
- /* print out the jar file name */
- String jar = jarFiles[i];
- bw.write(jar + "\n");
- LinkedList<String> jarlist = jarMap.get(jar);
- if (jarlist != null) {
- Iterator<String> listitr = jarlist.iterator();
- while(listitr.hasNext()) {
- bw.write(listitr.next() + "\n");
- }
- }
- bw.write("\n");
- }
- bw.flush();
- }
- }
-
-
- /**
- * Reads the index from the specified InputStream.
- *
- * @param is the input stream
- * @exception IOException if an I/O error has occurred
- */
- public void read(InputStream is) throws IOException {
- BufferedReader br = new BufferedReader
- (new InputStreamReader(is, "UTF8"));
- String line = null;
- String currentJar = null;
-
- /* an ordered list of jar file names */
- Vector<String> jars = new Vector<>();
-
- /* read until we see a .jar line */
- while((line = br.readLine()) != null && !line.endsWith(".jar"));
-
- for(;line != null; line = br.readLine()) {
- if (line.length() == 0)
- continue;
-
- if (line.endsWith(".jar")) {
- currentJar = line;
- jars.add(currentJar);
- } else {
- String name = line;
- addMapping(name, currentJar);
- }
- }
-
- jarFiles = jars.toArray(new String[jars.size()]);
- }
-
- /**
- * Merges the current index into another index, taking into account
- * the relative path of the current index.
- *
- * @param toIndex The destination index which the current index will
- * merge into.
- * @param path The relative path of the this index to the destination
- * index.
- *
- */
- public void merge(JarIndex toIndex, String path) {
- Iterator<Map.Entry<String,LinkedList<String>>> itr = indexMap.entrySet().iterator();
- while(itr.hasNext()) {
- Map.Entry<String,LinkedList<String>> e = itr.next();
- String packageName = e.getKey();
- LinkedList<String> from_list = e.getValue();
- Iterator<String> listItr = from_list.iterator();
- while(listItr.hasNext()) {
- String jarName = listItr.next();
- if (path != null) {
- jarName = path.concat(jarName);
- }
- toIndex.addMapping(packageName, jarName);
- }
- }
- }
-}