001    package org.apache.maven.artifact.resolver;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *  http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    import java.io.File;
023    import java.io.InputStream;
024    
025    import org.apache.maven.wagon.ResourceDoesNotExistException;
026    import org.apache.maven.wagon.TransferFailedException;
027    import org.apache.maven.wagon.authorization.AuthorizationException;
028    import org.apache.maven.wagon.events.TransferListener;
029    import org.apache.maven.wagon.providers.file.FileWagon;
030    import org.apache.maven.wagon.resource.Resource;
031    
032    /**
033     * Wagon used for test cases that annotates some methods. Note that this is not a thread-safe implementation. 
034     */
035    public class TestFileWagon
036        extends FileWagon
037    {
038        private TestTransferListener testTransferListener;
039        private boolean insideGet;
040    
041        protected void getTransfer( Resource resource, 
042                                    File destination, 
043                                    InputStream input, 
044                                    boolean closeInput, 
045                                    int maxSize )
046            throws TransferFailedException
047        {
048            addTransfer( "getTransfer " + resource.getName() );
049            super.getTransfer( resource, destination, input, closeInput, maxSize );
050        }
051    
052        public void get( String resourceName, File destination )
053            throws TransferFailedException, 
054                   ResourceDoesNotExistException, 
055                   AuthorizationException
056        {
057            addTransfer( "get " + resourceName );
058            
059            insideGet = true;
060            
061            super.get( resourceName, destination );
062            
063            insideGet = false;
064        }
065    
066        private void addTransfer( String resourceName )
067        {
068            if ( testTransferListener != null )
069            {
070                testTransferListener.addTransfer( resourceName );
071            }
072        }
073    
074        public boolean getIfNewer( String resourceName, File destination, long timestamp )
075            throws TransferFailedException, 
076                   ResourceDoesNotExistException, 
077                   AuthorizationException
078        {
079            if ( !insideGet )
080            {
081                addTransfer( "getIfNewer " + resourceName );
082            }
083            return super.getIfNewer( resourceName, destination, timestamp );
084        }
085    
086        public void addTransferListener( TransferListener listener )
087        {
088            if ( listener instanceof TestTransferListener )
089            {
090                testTransferListener = (TestTransferListener) listener;
091            }
092            super.addTransferListener( listener );
093        }
094    }