001 package org.apache.maven;
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.util.Collection;
023 import java.util.Collections;
024 import java.util.HashSet;
025 import java.util.Iterator;
026 import java.util.LinkedHashSet;
027 import java.util.Set;
028
029 import org.apache.maven.artifact.Artifact;
030 import org.apache.maven.artifact.ArtifactUtils;
031 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
032 import org.apache.maven.artifact.resolver.ArtifactResolutionException;
033 import org.apache.maven.artifact.resolver.ArtifactResolutionRequest;
034 import org.apache.maven.artifact.resolver.ArtifactResolutionResult;
035 import org.apache.maven.artifact.resolver.MultipleArtifactsNotFoundException;
036 import org.apache.maven.artifact.resolver.ResolutionErrorHandler;
037 import org.apache.maven.artifact.resolver.filter.CumulativeScopeArtifactFilter;
038 import org.apache.maven.execution.MavenSession;
039 import org.apache.maven.project.MavenProject;
040 import org.apache.maven.project.artifact.ProjectArtifact;
041 import org.apache.maven.repository.RepositorySystem;
042 import org.codehaus.plexus.component.annotations.Component;
043 import org.codehaus.plexus.component.annotations.Requirement;
044
045 @Component(role = ProjectDependenciesResolver.class)
046 public class DefaultProjectDependenciesResolver
047 implements ProjectDependenciesResolver
048 {
049
050 @Requirement
051 private RepositorySystem repositorySystem;
052
053 @Requirement
054 private ResolutionErrorHandler resolutionErrorHandler;
055
056 public Set<Artifact> resolve( MavenProject project, Collection<String> scopesToResolve, MavenSession session )
057 throws ArtifactResolutionException, ArtifactNotFoundException
058 {
059 return resolve( Collections.singleton( project ), scopesToResolve, session );
060 }
061
062 public Set<Artifact> resolve( MavenProject project, Collection<String> scopesToCollect,
063 Collection<String> scopesToResolve, MavenSession session )
064 throws ArtifactResolutionException, ArtifactNotFoundException
065 {
066 Set<MavenProject> mavenProjects = Collections.singleton( project );
067 return resolveImpl( mavenProjects, scopesToCollect, scopesToResolve, session,
068 getIgnorableArtifacts( mavenProjects ) );
069 }
070
071 public Set<Artifact> resolve( Collection<? extends MavenProject> projects, Collection<String> scopesToResolve,
072 MavenSession session )
073 throws ArtifactResolutionException, ArtifactNotFoundException
074 {
075 return resolveImpl( projects, null, scopesToResolve, session, getIgnorableArtifacts( projects ) );
076 }
077
078 public Set<Artifact> resolve( MavenProject project, Collection<String> scopesToCollect,
079 Collection<String> scopesToResolve, MavenSession session,
080 Set<Artifact> ignoreableArtifacts )
081 throws ArtifactResolutionException, ArtifactNotFoundException
082 {
083 return resolveImpl( Collections.singleton( project ), scopesToCollect, scopesToResolve, session,
084 getIgnorableArtifacts( ignoreableArtifacts ) );
085 }
086
087
088 private Set<Artifact> resolveImpl( Collection<? extends MavenProject> projects, Collection<String> scopesToCollect,
089 Collection<String> scopesToResolve, MavenSession session,
090 Set<String> projectIds )
091 throws ArtifactResolutionException, ArtifactNotFoundException
092 {
093 Set<Artifact> resolved = new LinkedHashSet<Artifact>();
094
095 if ( projects == null || projects.isEmpty() )
096 {
097 return resolved;
098 }
099
100 if ( ( scopesToCollect == null || scopesToCollect.isEmpty() ) &&
101 ( scopesToResolve == null || scopesToResolve.isEmpty() ) )
102 {
103 return resolved;
104 }
105
106 /*
107
108 Logic for transitive global exclusions
109
110 List<String> exclusions = new ArrayList<String>();
111
112 for ( Dependency d : project.getDependencies() )
113 {
114 if ( d.getExclusions() != null )
115 {
116 for ( Exclusion e : d.getExclusions() )
117 {
118 exclusions.add( e.getGroupId() + ":" + e.getArtifactId() );
119 }
120 }
121 }
122
123 ArtifactFilter scopeFilter = new ScopeArtifactFilter( scope );
124
125 ArtifactFilter filter;
126
127 if ( ! exclusions.isEmpty() )
128 {
129 filter = new AndArtifactFilter( Arrays.asList( new ArtifactFilter[]{ new ExcludesArtifactFilter( exclusions ), scopeFilter } ) );
130 }
131 else
132 {
133 filter = scopeFilter;
134 }
135 */
136
137 CumulativeScopeArtifactFilter resolutionScopeFilter = new CumulativeScopeArtifactFilter( scopesToResolve );
138
139 CumulativeScopeArtifactFilter collectionScopeFilter = new CumulativeScopeArtifactFilter( scopesToCollect );
140 collectionScopeFilter = new CumulativeScopeArtifactFilter( collectionScopeFilter, resolutionScopeFilter );
141
142 ArtifactResolutionRequest request =
143 new ArtifactResolutionRequest().setResolveRoot( false ).setResolveTransitively( true ).setCollectionFilter(
144 collectionScopeFilter ).setResolutionFilter( resolutionScopeFilter ).setLocalRepository(
145 session.getLocalRepository() ).setOffline( session.isOffline() ).setForceUpdate(
146 session.getRequest().isUpdateSnapshots() );
147 request.setServers( session.getRequest().getServers() );
148 request.setMirrors( session.getRequest().getMirrors() );
149 request.setProxies( session.getRequest().getProxies() );
150
151 for ( MavenProject project : projects )
152 {
153 request.setArtifact( new ProjectArtifact( project ) );
154 request.setArtifactDependencies( project.getDependencyArtifacts() );
155 request.setManagedVersionMap( project.getManagedVersionMap() );
156 request.setRemoteRepositories( project.getRemoteArtifactRepositories() );
157
158 ArtifactResolutionResult result = repositorySystem.resolve( request );
159
160 try
161 {
162 resolutionErrorHandler.throwErrors( request, result );
163 }
164 catch ( MultipleArtifactsNotFoundException e )
165 {
166
167 Collection<Artifact> missing = new HashSet<Artifact>( e.getMissingArtifacts() );
168
169 for ( Iterator<Artifact> it = missing.iterator(); it.hasNext(); )
170 {
171 String key = ArtifactUtils.key( it.next() );
172 if ( projectIds.contains( key ) )
173 {
174 it.remove();
175 }
176 }
177
178 if ( !missing.isEmpty() )
179 {
180 throw e;
181 }
182 }
183
184 resolved.addAll( result.getArtifacts() );
185 }
186
187 return resolved;
188 }
189
190
191 private Set<String> getIgnorableArtifacts( Collection<? extends MavenProject> projects )
192 {
193 Set<String> projectIds = new HashSet<String>( projects.size() * 2 );
194
195 for ( MavenProject p : projects )
196 {
197 String key = ArtifactUtils.key( p.getGroupId(), p.getArtifactId(), p.getVersion() );
198 projectIds.add( key );
199 }
200 return projectIds;
201 }
202
203 private Set<String> getIgnorableArtifacts( Iterable<Artifact> artifactIterable )
204 {
205 Set<String> projectIds = new HashSet<String>();
206
207 for ( Artifact artifact : artifactIterable )
208 {
209 String key = ArtifactUtils.key( artifact );
210 projectIds.add( key );
211 }
212 return projectIds;
213 }
214
215 }