001 package org.apache.maven.repository.legacy.resolver.transform;
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 org.apache.maven.artifact.Artifact;
023 import org.apache.maven.artifact.repository.ArtifactRepository;
024 import org.apache.maven.artifact.repository.RepositoryRequest;
025 import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException;
026 import org.apache.maven.artifact.repository.metadata.Versioning;
027 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
028 import org.apache.maven.artifact.resolver.ArtifactResolutionException;
029 import org.codehaus.plexus.component.annotations.Component;
030
031 @Component( role = ArtifactTransformation.class, hint = "latest" )
032 public class LatestArtifactTransformation
033 extends AbstractVersionTransformation
034 {
035
036 public void transformForResolve( Artifact artifact, RepositoryRequest request )
037 throws ArtifactResolutionException, ArtifactNotFoundException
038 {
039 if ( Artifact.LATEST_VERSION.equals( artifact.getVersion() ) )
040 {
041 try
042 {
043 String version = resolveVersion( artifact, request );
044 if ( Artifact.LATEST_VERSION.equals( version ) )
045 {
046 throw new ArtifactNotFoundException( "Unable to determine the latest version", artifact );
047 }
048
049 artifact.setBaseVersion( version );
050 artifact.updateVersion( version, request.getLocalRepository() );
051 }
052 catch ( RepositoryMetadataResolutionException e )
053 {
054 throw new ArtifactResolutionException( e.getMessage(), artifact, e );
055 }
056 }
057 }
058
059 public void transformForInstall( Artifact artifact, ArtifactRepository localRepository )
060 {
061 // metadata is added via addPluginArtifactMetadata
062 }
063
064 public void transformForDeployment( Artifact artifact, ArtifactRepository remoteRepository,
065 ArtifactRepository localRepository )
066 {
067 // metadata is added via addPluginArtifactMetadata
068 }
069
070 protected String constructVersion( Versioning versioning, String baseVersion )
071 {
072 return versioning.getLatest();
073 }
074 }