jdk/src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipDirectoryStream.java
changeset 23977 cb2cf6e2958a
parent 23976 16ec7c58cdea
parent 23964 65b2502dbd2d
child 23978 8c0bdeecd7c0
--- a/jdk/src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipDirectoryStream.java	Thu Apr 17 15:23:23 2014 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,117 +0,0 @@
-/*
- * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *   - Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- *
- *   - Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- *   - Neither the name of Oracle nor the names of its
- *     contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * This source code is provided to illustrate the usage of a given feature
- * or technique and has been deliberately simplified. Additional steps
- * required for a production-quality application, such as security checks,
- * input validation and proper error handling, might not be present in
- * this sample code.
- */
-
-
-package com.sun.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
- */
-
-public 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;
-    }
-
-
-}