org.jivesoftware.openfire.filetransfer.proxy.ProxyOutputStream Maven / Gradle / Ivy

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/*
 * Copyright (C) 2004-2008 Jive Software. All rights reserved.
 *
 * 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.
 */
package org.jivesoftware.openfire.filetransfer.proxy;

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 amountTransferred = new AtomicLong(0);

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

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