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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
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/*
 * Created on Feb 28, 2003
 *
 * To change this generated comment go to 
 * Window>Preferences>Java>Code Generation>Code Template
 */
package com.sun.xml.messaging.saaj.util;

import java.io.*;

/**
 * @author pgoodwin
 */
public class TeeInputStream extends InputStream {
    protected InputStream source;
    protected OutputStream copySink;
    
    public TeeInputStream(InputStream source, OutputStream sink) {
        super();
        this.copySink = sink;
        this.source = source;
    }

    @Override
    public int read() throws IOException {
        int result = source.read();
        copySink.write(result);
        return result;
    }

    @Override
    public int available() throws IOException {
        return source.available();
    }

    @Override
    public void close() throws IOException {
        source.close();
    }

    @Override
    public synchronized void mark(int readlimit) {
        source.mark(readlimit);
    }

    @Override
    public boolean markSupported() {
        return source.markSupported();
    }

    @Override
    public int read(byte[] b, int off, int len) throws IOException {
        int result = source.read(b, off, len);
        copySink.write(b, off, len);
        return result;
    }

    @Override
    public int read(byte[] b) throws IOException {
        int result = source.read(b);
        copySink.write(b);
        return result;
    }

    @Override
    public synchronized void reset() throws IOException {
        source.reset();
    }

    @Override
    public long skip(long n) throws IOException {
        return source.skip(n);
    }

}