001package 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 022import org.apache.maven.artifact.Artifact; 023import org.apache.maven.artifact.repository.ArtifactRepository; 024import org.apache.maven.artifact.repository.RepositoryRequest; 025import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException; 026import org.apache.maven.artifact.repository.metadata.Versioning; 027import org.apache.maven.artifact.resolver.ArtifactNotFoundException; 028import org.apache.maven.artifact.resolver.ArtifactResolutionException; 029import org.codehaus.plexus.component.annotations.Component; 030 031@Component( role = ArtifactTransformation.class, hint = "latest" ) 032public 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}