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package org.apache.maven.repository.legacy;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import java.util.IdentityHashMap;
import java.util.Map;
import org.apache.maven.repository.ArtifactTransferEvent;
import org.apache.maven.repository.ArtifactTransferListener;
import org.apache.maven.repository.ArtifactTransferResource;
import org.apache.maven.wagon.events.TransferEvent;
import org.apache.maven.wagon.events.TransferListener;
import org.apache.maven.wagon.repository.Repository;
import org.apache.maven.wagon.resource.Resource;
public class TransferListenerAdapter
implements TransferListener
{
private final ArtifactTransferListener listener;
private final Map<Resource, ArtifactTransferResource> artifacts;
private final Map<Resource, Long> transfers;
public static TransferListener newAdapter( ArtifactTransferListener listener )
{
if ( listener == null )
{
return null;
}
else
{
return new TransferListenerAdapter( listener );
}
}
private TransferListenerAdapter( ArtifactTransferListener listener )
{
this.listener = listener;
this.artifacts = new IdentityHashMap<Resource, ArtifactTransferResource>();
this.transfers = new IdentityHashMap<Resource, Long>();
}
public void debug( String message )
{
}
public void transferCompleted( TransferEvent transferEvent )
{
ArtifactTransferEvent event = wrap( transferEvent );
Long transferred;
synchronized ( transfers )
{
transferred = transfers.remove( transferEvent.getResource() );
}
if ( transferred != null )
{
event.setTransferredBytes( transferred );
}
synchronized ( artifacts )
{
artifacts.remove( transferEvent.getResource() );
}
listener.transferCompleted( event );
}
public void transferError( TransferEvent transferEvent )
{
synchronized ( transfers )
{
transfers.remove( transferEvent.getResource() );
}
synchronized ( artifacts )
{
artifacts.remove( transferEvent.getResource() );
}
}
public void transferInitiated( TransferEvent transferEvent )
{
listener.transferInitiated( wrap( transferEvent ) );
}
public void transferProgress( TransferEvent transferEvent, byte[] buffer, int length )
{
Long transferred;
synchronized ( transfers )
{
transferred = transfers.get( transferEvent.getResource() );
if ( transferred == null )
{
transferred = (long) length;
}
else
{
transferred = transferred + length;
}
transfers.put( transferEvent.getResource(), transferred );
}
ArtifactTransferEvent event = wrap( transferEvent );
event.setDataBuffer( buffer );
event.setDataOffset( 0 );
event.setDataLength( length );
event.setTransferredBytes( transferred );
listener.transferProgress( event );
}
public void transferStarted( TransferEvent transferEvent )
{
listener.transferStarted( wrap( transferEvent ) );
}
private ArtifactTransferEvent wrap( TransferEvent event )
{
if ( event == null )
{
return null;
}
else
{
String wagon = event.getWagon().getClass().getName();
ArtifactTransferResource artifact = wrap( event.getWagon().getRepository(), event.getResource() );
ArtifactTransferEvent evt;
if ( event.getException() != null )
{
evt = new ArtifactTransferEvent( wagon, event.getException(), event.getRequestType(), artifact );
}
else
{
evt = new ArtifactTransferEvent( wagon, event.getEventType(), event.getRequestType(), artifact );
}
evt.setLocalFile( event.getLocalFile() );
return evt;
}
}
private ArtifactTransferResource wrap( Repository repository, Resource resource )
{
if ( resource == null )
{
return null;
}
else
{
synchronized ( artifacts )
{
ArtifactTransferResource artifact = artifacts.get( resource );
if ( artifact == null )
{
artifact = new MavenArtifact( repository.getUrl(), resource );
artifacts.put( resource, artifact );
}
return artifact;
}
}
}
}
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