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 java.util.List; 023 024import org.apache.maven.artifact.Artifact; 025import org.apache.maven.artifact.repository.ArtifactRepository; 026import org.apache.maven.artifact.repository.DefaultRepositoryRequest; 027import org.apache.maven.artifact.repository.RepositoryRequest; 028import org.apache.maven.artifact.repository.metadata.ArtifactRepositoryMetadata; 029import org.apache.maven.artifact.repository.metadata.Metadata; 030import org.apache.maven.artifact.repository.metadata.RepositoryMetadata; 031import org.apache.maven.artifact.repository.metadata.RepositoryMetadataManager; 032import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException; 033import org.apache.maven.artifact.repository.metadata.SnapshotArtifactRepositoryMetadata; 034import org.apache.maven.artifact.repository.metadata.Versioning; 035import org.apache.maven.artifact.resolver.ArtifactNotFoundException; 036import org.apache.maven.artifact.resolver.ArtifactResolutionException; 037import org.apache.maven.repository.legacy.WagonManager; 038import org.codehaus.plexus.component.annotations.Requirement; 039import org.codehaus.plexus.logging.AbstractLogEnabled; 040 041/** 042 * Describes a version transformation during artifact resolution. 043 * 044 * @author <a href="mailto:brett@apache.org">Brett Porter</a> 045 * @todo try and refactor to remove abstract methods - not particular happy about current design 046 */ 047public abstract class AbstractVersionTransformation 048 extends AbstractLogEnabled 049 implements ArtifactTransformation 050{ 051 @Requirement 052 protected RepositoryMetadataManager repositoryMetadataManager; 053 054 @Requirement 055 protected WagonManager wagonManager; 056 057 public void transformForResolve( Artifact artifact, List<ArtifactRepository> remoteRepositories, 058 ArtifactRepository localRepository ) 059 throws ArtifactResolutionException, ArtifactNotFoundException 060 { 061 RepositoryRequest request = new DefaultRepositoryRequest(); 062 request.setLocalRepository( localRepository ); 063 request.setRemoteRepositories( remoteRepositories ); 064 transformForResolve( artifact, request ); 065 } 066 067 protected String resolveVersion( Artifact artifact, ArtifactRepository localRepository, 068 List<ArtifactRepository> remoteRepositories ) 069 throws RepositoryMetadataResolutionException 070 { 071 RepositoryRequest request = new DefaultRepositoryRequest(); 072 request.setLocalRepository( localRepository ); 073 request.setRemoteRepositories( remoteRepositories ); 074 return resolveVersion( artifact, request ); 075 } 076 077 protected String resolveVersion( Artifact artifact, RepositoryRequest request ) 078 throws RepositoryMetadataResolutionException 079 { 080 RepositoryMetadata metadata; 081 // Don't use snapshot metadata for LATEST (which isSnapshot returns true for) 082 if ( !artifact.isSnapshot() || Artifact.LATEST_VERSION.equals( artifact.getBaseVersion() ) ) 083 { 084 metadata = new ArtifactRepositoryMetadata( artifact ); 085 } 086 else 087 { 088 metadata = new SnapshotArtifactRepositoryMetadata( artifact ); 089 } 090 091 repositoryMetadataManager.resolve( metadata, request ); 092 093 artifact.addMetadata( metadata ); 094 095 Metadata repoMetadata = metadata.getMetadata(); 096 String version = null; 097 if ( repoMetadata != null && repoMetadata.getVersioning() != null ) 098 { 099 version = constructVersion( repoMetadata.getVersioning(), artifact.getBaseVersion() ); 100 } 101 102 if ( version == null ) 103 { 104 // use the local copy, or if it doesn't exist - go to the remote repo for it 105 version = artifact.getBaseVersion(); 106 } 107 108 // TODO: also do this logging for other metadata? 109 // TODO: figure out way to avoid duplicated message 110 if ( getLogger().isDebugEnabled() ) 111 { 112 if ( !version.equals( artifact.getBaseVersion() ) ) 113 { 114 String message = artifact.getArtifactId() + ": resolved to version " + version; 115 if ( artifact.getRepository() != null ) 116 { 117 message += " from repository " + artifact.getRepository().getId(); 118 } 119 else 120 { 121 message += " from local repository"; 122 } 123 getLogger().debug( message ); 124 } 125 else 126 { 127 // Locally installed file is newer, don't use the resolved version 128 getLogger().debug( artifact.getArtifactId() + ": using locally installed snapshot" ); 129 } 130 } 131 return version; 132 } 133 134 protected abstract String constructVersion( Versioning versioning, String baseVersion ); 135}