001    package org.apache.maven.project.artifact;
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.IOException;
024    
025    import org.apache.maven.artifact.Artifact;
026    import org.apache.maven.artifact.metadata.AbstractArtifactMetadata;
027    import org.apache.maven.artifact.metadata.ArtifactMetadata;
028    import org.apache.maven.artifact.repository.ArtifactRepository;
029    import org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException;
030    import org.codehaus.plexus.util.FileUtils;
031    
032    /**
033     * Attach a POM to an artifact.
034     *
035     * @author <a href="mailto:brett@apache.org">Brett Porter</a>
036     */
037    public class ProjectArtifactMetadata
038        extends AbstractArtifactMetadata
039    {
040        private final File file;
041    
042        public ProjectArtifactMetadata( Artifact artifact )
043        {
044            this( artifact, null );
045        }
046    
047        public ProjectArtifactMetadata( Artifact artifact, File file )
048        {
049            super( artifact );
050            this.file = file;
051        }
052    
053        public File getFile()
054        {
055            return file;
056        }
057    
058        public String getRemoteFilename()
059        {
060            return getFilename();
061        }
062    
063        public String getLocalFilename( ArtifactRepository repository )
064        {
065            return getFilename();
066        }
067    
068        private String getFilename()
069        {
070            return getArtifactId() + "-" + artifact.getVersion() + ".pom";
071        }
072    
073        public void storeInLocalRepository( ArtifactRepository localRepository, ArtifactRepository remoteRepository )
074            throws RepositoryMetadataStoreException
075        {
076            File destination =
077                new File( localRepository.getBasedir(), localRepository.pathOfLocalRepositoryMetadata( this,
078                                                                                                       remoteRepository ) );
079    
080            // ----------------------------------------------------------------------------
081            // I'm fully aware that the file could just be moved using File.rename but
082            // there are bugs in various JVM that have problems doing this across
083            // different filesystem. So we'll incur the small hit to actually copy
084            // here and be safe. jvz.
085            // ----------------------------------------------------------------------------
086    
087            try
088            {
089                FileUtils.copyFile( file, destination );
090            }
091            catch ( IOException e )
092            {
093                throw new RepositoryMetadataStoreException( "Error copying POM to the local repository.", e );
094            }
095        }
096    
097        public String toString()
098        {
099            return "project information for " + artifact.getArtifactId() + " " + artifact.getVersion();
100        }
101    
102        public boolean storedInArtifactVersionDirectory()
103        {
104            return true;
105        }
106    
107        public String getBaseVersion()
108        {
109            return artifact.getBaseVersion();
110        }
111    
112        public Object getKey()
113        {
114            return "project " + artifact.getGroupId() + ":" + artifact.getArtifactId();
115        }
116    
117        public void merge( ArtifactMetadata metadata )
118        {
119            ProjectArtifactMetadata m = (ProjectArtifactMetadata) metadata;
120            if ( !m.file.equals( file ) )
121            {
122                throw new IllegalStateException( "Cannot add two different pieces of metadata for: " + getKey() );
123            }
124        }
125    
126        public void merge( org.apache.maven.repository.legacy.metadata.ArtifactMetadata metadata )
127        {
128            this.merge( (ArtifactMetadata) metadata );
129        }
130    }