001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.kernel.servlet;
016    
017    import java.io.IOException;
018    import java.io.OutputStream;
019    
020    import javax.servlet.ServletOutputStream;
021    
022    /**
023     * @author Shuyang Zhou
024     */
025    public class PipingServletOutputStream extends ServletOutputStream {
026    
027            public PipingServletOutputStream(OutputStream outputStream) {
028                    _outputStream = outputStream;
029            }
030    
031            public void close() throws IOException {
032                    super.close();
033    
034                    _closed = true;
035            }
036    
037            public boolean isClosed() {
038                    return _closed;
039            }
040    
041            public void write(byte[] byteArray) throws IOException {
042                    _outputStream.write(byteArray);
043            }
044    
045            public void write(byte[] byteArray, int offset, int length)
046                    throws IOException {
047    
048                    _outputStream.write(byteArray, offset, length);
049            }
050    
051            public void write(int i) throws IOException {
052                    _outputStream.write(i);
053            }
054    
055            private boolean _closed;
056            private OutputStream _outputStream;
057    
058    }