/*
* Copyright 2001-2005 The Apache Software Foundation
*
* 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.apache.commons.net.io;
import java.util.EventObject;
/**
* A CopyStreamEvent is triggered after every write performed by a
* stream copying operation. The event stores the number of bytes
* transferred by the write triggering the event as well as the total
* number of bytes transferred so far by the copy operation.
* <p>
* <p>
* @see CopyStreamListener
* @see CopyStreamAdapter
* @see Util
* @author <a href="mailto:savarese@apache.org">Daniel F. Savarese</a>
* @version $Id: CopyStreamEvent.java 165675 2005-05-02 20:09:55Z rwinston $
*/
public class CopyStreamEvent extends EventObject
{
/**
* Constant used to indicate the stream size is unknown.
*/
public static final long UNKNOWN_STREAM_SIZE = -1;
private int bytesTransferred;
private long totalBytesTransferred;
private long streamSize;
/**
* Creates a new CopyStreamEvent instance.
* @param source The source of the event.
* @param totalBytesTransferred The total number of bytes transferred so
* far during a copy operation.
* @param bytesTransferred The number of bytes transferred during the
* write that triggered the CopyStreamEvent.
* @param streamSize The number of bytes in the stream being copied.
* This may be set to <code>UNKNOWN_STREAM_SIZE</code> if the
* size is unknown.
*/
public CopyStreamEvent(Object source, long totalBytesTransferred,
int bytesTransferred, long streamSize)
{
super(source);
this.bytesTransferred = bytesTransferred;
this.totalBytesTransferred = totalBytesTransferred;
this.streamSize = streamSize;
}
/**
* Returns the number of bytes transferred by the write that triggered
* the event.
* @return The number of bytes transferred by the write that triggered
* the vent.
*/
public int getBytesTransferred()
{
return bytesTransferred;
}
/**
* Returns the total number of bytes transferred so far by the copy
* operation.
* @return The total number of bytes transferred so far by the copy
* operation.
*/
public long getTotalBytesTransferred()
{
return totalBytesTransferred;
}
/**
* Returns the size of the stream being copied.
* This may be set to <code>UNKNOWN_STREAM_SIZE</code> if the
* size is unknown.
* @return The size of the stream being copied.
*/
public long getStreamSize()
{
return streamSize;
}
}
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