ProxyOutputStream.java 1.38 KB
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/**
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 * $RCSfile$
 * $Revision: 3144 $
 * $Date: 2005-12-01 14:20:11 -0300 (Thu, 01 Dec 2005) $
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 *
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 * Copyright (C) 2004-2008 Jive Software. All rights reserved.
 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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 */
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package org.jivesoftware.openfire.filetransfer.proxy;
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import java.io.OutputStream;
import java.io.IOException;
import java.io.DataOutputStream;
import java.util.concurrent.atomic.AtomicLong;

/**
 *  An output stream which tracks the amount of bytes transfered by proxy sockets.
 */
public class ProxyOutputStream extends DataOutputStream {
    static AtomicLong amountTransfered = new AtomicLong(0);

    public ProxyOutputStream(OutputStream out) {
        super(out);
    }

    public synchronized void write(byte b[], int off, int len) throws IOException {
        super.write(b, off, len);
        amountTransfered.addAndGet(len);
    }
}