diff -r 2106a64c0a38 -r e4b6a6d206e6 langtools/src/share/classes/com/sun/tools/javac/file/ZipFileIndexArchive.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/file/ZipFileIndexArchive.java	Wed Jun 18 07:23:25 2008 -0700
@@ -0,0 +1,233 @@
+/*
+ * Copyright 2005-2008 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.file;
+
+import java.io.IOException;
+import java.util.Set;
+import javax.tools.JavaFileObject;
+
+import com.sun.tools.javac.file.JavacFileManager.Archive;
+import com.sun.tools.javac.util.List;
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.net.URI;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharsetDecoder;
+
+public class ZipFileIndexArchive implements Archive {
+
+    private final ZipFileIndex zfIndex;
+    private JavacFileManager fileManager;
+
+    public ZipFileIndexArchive(JavacFileManager fileManager, ZipFileIndex zdir) throws IOException {
+        super();
+        this.fileManager = fileManager;
+        this.zfIndex = zdir;
+    }
+
+    public boolean contains(String name) {
+        return zfIndex.contains(name);
+    }
+
+    public List<String> getFiles(String subdirectory) {
+        return zfIndex.getFiles((subdirectory.endsWith("/") || subdirectory.endsWith("\\")) ? subdirectory.substring(0, subdirectory.length() - 1) : subdirectory);
+    }
+
+    public JavaFileObject getFileObject(String subdirectory, String file) {
+        String fullZipFileName = subdirectory + file;
+        ZipFileIndex.Entry entry = zfIndex.getZipIndexEntry(fullZipFileName);
+        JavaFileObject ret = new ZipFileIndexFileObject(fileManager, zfIndex, entry, zfIndex.getZipFile().getPath());
+        return ret;
+    }
+
+    public Set<String> getSubdirectories() {
+        return zfIndex.getAllDirectories();
+    }
+
+    public void close() throws IOException {
+        zfIndex.close();
+    }
+
+    /**
+     * A subclass of JavaFileObject representing zip entries using the com.sun.tools.javac.file.ZipFileIndex implementation.
+     */
+    public static class ZipFileIndexFileObject extends BaseFileObject {
+
+        /** The entry's name.
+         */
+        private String name;
+
+        /** The zipfile containing the entry.
+         */
+        ZipFileIndex zfIndex;
+
+        /** The underlying zip entry object.
+         */
+        ZipFileIndex.Entry entry;
+
+        /** The InputStream for this zip entry (file.)
+         */
+        InputStream inputStream = null;
+
+        /** The name of the zip file where this entry resides.
+         */
+        String zipName;
+
+
+        ZipFileIndexFileObject(JavacFileManager fileManager, ZipFileIndex zfIndex, ZipFileIndex.Entry entry, String zipFileName) {
+            super(fileManager);
+            this.name = entry.getFileName();
+            this.zfIndex = zfIndex;
+            this.entry = entry;
+            this.zipName = zipFileName;
+        }
+
+        public InputStream openInputStream() throws IOException {
+
+            if (inputStream == null) {
+                inputStream = new ByteArrayInputStream(read());
+            }
+            return inputStream;
+        }
+
+        protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) {
+            return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors);
+        }
+
+        public OutputStream openOutputStream() throws IOException {
+            throw new UnsupportedOperationException();
+        }
+
+        public Writer openWriter() throws IOException {
+            throw new UnsupportedOperationException();
+        }
+
+        /** @deprecated see bug 6410637 */
+        @Deprecated
+        public String getName() {
+            return name;
+        }
+
+        public boolean isNameCompatible(String cn, JavaFileObject.Kind k) {
+            cn.getClass(); // null check
+            if (k == Kind.OTHER && getKind() != k)
+                return false;
+            return name.equals(cn + k.extension);
+        }
+
+        /** @deprecated see bug 6410637 */
+        @Deprecated
+        public String getPath() {
+            return zipName + "(" + entry.getName() + ")";
+        }
+
+        public long getLastModified() {
+            return entry.getLastModified();
+        }
+
+        public boolean delete() {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            if (!(other instanceof ZipFileIndexFileObject))
+                return false;
+            ZipFileIndexFileObject o = (ZipFileIndexFileObject) other;
+            return entry.equals(o.entry);
+        }
+
+        @Override
+        public int hashCode() {
+            return zipName.hashCode() + (name.hashCode() << 10);
+        }
+
+        public String getZipName() {
+            return zipName;
+        }
+
+        public String getZipEntryName() {
+            return entry.getName();
+        }
+
+        public URI toUri() {
+            String zipName = new File(getZipName()).toURI().normalize().getPath();
+            String entryName = getZipEntryName();
+            if (File.separatorChar != '/') {
+                entryName = entryName.replace(File.separatorChar, '/');
+            }
+            return URI.create("jar:" + zipName + "!" + entryName);
+        }
+
+        private byte[] read() throws IOException {
+            if (entry == null) {
+                entry = zfIndex.getZipIndexEntry(name);
+                if (entry == null)
+                  throw new FileNotFoundException();
+            }
+            return zfIndex.read(entry);
+        }
+
+        public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException {
+            CharBuffer cb = fileManager.getCachedContent(this);
+            if (cb == null) {
+                InputStream in = new ByteArrayInputStream(zfIndex.read(entry));
+                try {
+                    ByteBuffer bb = fileManager.makeByteBuffer(in);
+                    JavaFileObject prev = fileManager.log.useSource(this);
+                    try {
+                        cb = fileManager.decode(bb, ignoreEncodingErrors);
+                    } finally {
+                        fileManager.log.useSource(prev);
+                    }
+                    fileManager.recycleByteBuffer(bb); // save for next time
+                    if (!ignoreEncodingErrors)
+                        fileManager.cache(this, cb);
+                } finally {
+                    in.close();
+                }
+            }
+            return cb;
+        }
+
+        @Override
+        protected String inferBinaryName(Iterable<? extends File> path) {
+            String entryName = getZipEntryName();
+            if (zfIndex.symbolFilePrefix != null) {
+                String prefix = zfIndex.symbolFilePrefix;
+                if (entryName.startsWith(prefix))
+                    entryName = entryName.substring(prefix.length());
+            }
+            return removeExtension(entryName).replace(File.separatorChar, '.');
+        }
+    }
+
+}