ProxyOutputStream.java 1.29 KB
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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;

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

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