--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/jdk/nio/zipfs/ZipDirectoryStream.java Tue Apr 15 13:17:05 2014 -0700
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2009, 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.nio.zipfs;
+
+import java.nio.file.DirectoryStream;
+import java.nio.file.ClosedDirectoryStreamException;
+import java.nio.file.NotDirectoryException;
+import java.nio.file.Path;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+import java.io.IOException;
+
+/**
+ *
+ * @author Xueming Shen, Rajendra Gutupalli, Jaya Hangal
+ */
+
+class ZipDirectoryStream implements DirectoryStream<Path> {
+
+ private final ZipFileSystem zipfs;
+ private final byte[] path;
+ private final DirectoryStream.Filter<? super Path> filter;
+ private volatile boolean isClosed;
+ private volatile Iterator<Path> itr;
+
+ ZipDirectoryStream(ZipPath zipPath,
+ DirectoryStream.Filter<? super java.nio.file.Path> filter)
+ throws IOException
+ {
+ this.zipfs = zipPath.getFileSystem();
+ this.path = zipPath.getResolvedPath();
+ this.filter = filter;
+ // sanity check
+ if (!zipfs.isDirectory(path))
+ throw new NotDirectoryException(zipPath.toString());
+ }
+
+ @Override
+ public synchronized Iterator<Path> iterator() {
+ if (isClosed)
+ throw new ClosedDirectoryStreamException();
+ if (itr != null)
+ throw new IllegalStateException("Iterator has already been returned");
+
+ try {
+ itr = zipfs.iteratorOf(path, filter);
+ } catch (IOException e) {
+ throw new IllegalStateException(e);
+ }
+ return new Iterator<Path>() {
+ private Path next;
+ @Override
+ public boolean hasNext() {
+ if (isClosed)
+ return false;
+ return itr.hasNext();
+ }
+
+ @Override
+ public synchronized Path next() {
+ if (isClosed)
+ throw new NoSuchElementException();
+ return itr.next();
+ }
+
+ @Override
+ public void remove() {
+ throw new UnsupportedOperationException();
+ }
+ };
+ }
+
+ @Override
+ public synchronized void close() throws IOException {
+ isClosed = true;
+ }
+
+
+}