1 package org.apache.maven.plugin.internal;
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22 import java.util.LinkedHashMap;
23 import java.util.List;
24 import java.util.Map;
25
26 import org.apache.maven.RepositoryUtils;
27 import org.apache.maven.model.Dependency;
28 import org.apache.maven.model.Plugin;
29 import org.apache.maven.plugin.PluginResolutionException;
30 import org.codehaus.plexus.component.annotations.Component;
31 import org.codehaus.plexus.component.annotations.Requirement;
32 import org.codehaus.plexus.logging.Logger;
33 import org.eclipse.aether.DefaultRepositorySystemSession;
34 import org.eclipse.aether.RepositorySystem;
35 import org.eclipse.aether.RepositorySystemSession;
36 import org.eclipse.aether.RequestTrace;
37 import org.eclipse.aether.artifact.Artifact;
38 import org.eclipse.aether.artifact.DefaultArtifact;
39 import org.eclipse.aether.collection.CollectRequest;
40 import org.eclipse.aether.collection.DependencyCollectionException;
41 import org.eclipse.aether.collection.DependencyGraphTransformer;
42 import org.eclipse.aether.collection.DependencySelector;
43 import org.eclipse.aether.graph.DependencyFilter;
44 import org.eclipse.aether.graph.DependencyNode;
45 import org.eclipse.aether.graph.DependencyVisitor;
46 import org.eclipse.aether.repository.RemoteRepository;
47 import org.eclipse.aether.resolution.ArtifactDescriptorException;
48 import org.eclipse.aether.resolution.ArtifactDescriptorRequest;
49 import org.eclipse.aether.resolution.ArtifactDescriptorResult;
50 import org.eclipse.aether.resolution.ArtifactRequest;
51 import org.eclipse.aether.resolution.ArtifactResolutionException;
52 import org.eclipse.aether.resolution.DependencyRequest;
53 import org.eclipse.aether.resolution.DependencyResolutionException;
54 import org.eclipse.aether.util.artifact.JavaScopes;
55 import org.eclipse.aether.util.filter.AndDependencyFilter;
56 import org.eclipse.aether.util.filter.ScopeDependencyFilter;
57 import org.eclipse.aether.util.graph.selector.AndDependencySelector;
58 import org.eclipse.aether.util.graph.transformer.ChainedDependencyGraphTransformer;
59 import org.eclipse.aether.util.repository.SimpleArtifactDescriptorPolicy;
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69 @Component( role = PluginDependenciesResolver.class )
70 public class DefaultPluginDependenciesResolver
71 implements PluginDependenciesResolver
72 {
73
74 private static final String REPOSITORY_CONTEXT = "plugin";
75
76 @Requirement
77 private Logger logger;
78
79 @Requirement
80 private RepositorySystem repoSystem;
81
82 private Artifact toArtifact( Plugin plugin, RepositorySystemSession session )
83 {
84 return new DefaultArtifact( plugin.getGroupId(), plugin.getArtifactId(), null, "jar", plugin.getVersion(),
85 session.getArtifactTypeRegistry().get( "maven-plugin" ) );
86 }
87
88 public Artifact resolve( Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session )
89 throws PluginResolutionException
90 {
91 RequestTrace trace = RequestTrace.newChild( null, plugin );
92
93 Artifact pluginArtifact = toArtifact( plugin, session );
94
95 try
96 {
97 DefaultRepositorySystemSession pluginSession = new DefaultRepositorySystemSession( session );
98 pluginSession.setArtifactDescriptorPolicy( new SimpleArtifactDescriptorPolicy( true, false ) );
99
100 ArtifactDescriptorRequest request =
101 new ArtifactDescriptorRequest( pluginArtifact, repositories, REPOSITORY_CONTEXT );
102 request.setTrace( trace );
103 ArtifactDescriptorResult result = repoSystem.readArtifactDescriptor( pluginSession, request );
104
105 pluginArtifact = result.getArtifact();
106
107 String requiredMavenVersion = (String) result.getProperties().get( "prerequisites.maven" );
108 if ( requiredMavenVersion != null )
109 {
110 Map<String, String> props = new LinkedHashMap<String, String>( pluginArtifact.getProperties() );
111 props.put( "requiredMavenVersion", requiredMavenVersion );
112 pluginArtifact = pluginArtifact.setProperties( props );
113 }
114 }
115 catch ( ArtifactDescriptorException e )
116 {
117 throw new PluginResolutionException( plugin, e );
118 }
119
120 try
121 {
122 ArtifactRequest request = new ArtifactRequest( pluginArtifact, repositories, REPOSITORY_CONTEXT );
123 request.setTrace( trace );
124 pluginArtifact = repoSystem.resolveArtifact( session, request ).getArtifact();
125 }
126 catch ( ArtifactResolutionException e )
127 {
128 throw new PluginResolutionException( plugin, e );
129 }
130
131 return pluginArtifact;
132 }
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136
137 public DependencyNode resolveCoreExtension( Plugin plugin, DependencyFilter dependencyFilter,
138 List<RemoteRepository> repositories, RepositorySystemSession session )
139 throws PluginResolutionException
140 {
141 return resolveInternal( plugin, null , dependencyFilter, null ,
142 repositories, session );
143 }
144
145 public DependencyNode resolve( Plugin plugin, Artifact pluginArtifact, DependencyFilter dependencyFilter,
146 List<RemoteRepository> repositories, RepositorySystemSession session )
147 throws PluginResolutionException
148 {
149 return resolveInternal( plugin, pluginArtifact, dependencyFilter, new PlexusUtilsInjector(), repositories,
150 session );
151 }
152
153 private DependencyNode resolveInternal( Plugin plugin, Artifact pluginArtifact, DependencyFilter dependencyFilter,
154 DependencyGraphTransformer transformer,
155 List<RemoteRepository> repositories, RepositorySystemSession session )
156 throws PluginResolutionException
157 {
158 RequestTrace trace = RequestTrace.newChild( null, plugin );
159
160 if ( pluginArtifact == null )
161 {
162 pluginArtifact = toArtifact( plugin, session );
163 }
164
165 DependencyFilter collectionFilter = new ScopeDependencyFilter( "provided", "test" );
166 DependencyFilter resolutionFilter = AndDependencyFilter.newInstance( collectionFilter, dependencyFilter );
167
168 DependencyNode node;
169
170 try
171 {
172 DependencySelector selector =
173 AndDependencySelector.newInstance( session.getDependencySelector(), new WagonExcluder() );
174
175 transformer =
176 ChainedDependencyGraphTransformer.newInstance( session.getDependencyGraphTransformer(), transformer );
177
178 DefaultRepositorySystemSession pluginSession = new DefaultRepositorySystemSession( session );
179 pluginSession.setDependencySelector( selector );
180 pluginSession.setDependencyGraphTransformer( transformer );
181
182 CollectRequest request = new CollectRequest();
183 request.setRequestContext( REPOSITORY_CONTEXT );
184 request.setRepositories( repositories );
185 request.setRoot( new org.eclipse.aether.graph.Dependency( pluginArtifact, null ) );
186 for ( Dependency dependency : plugin.getDependencies() )
187 {
188 org.eclipse.aether.graph.Dependency pluginDep =
189 RepositoryUtils.toDependency( dependency, session.getArtifactTypeRegistry() );
190 if ( !JavaScopes.SYSTEM.equals( pluginDep.getScope() ) )
191 {
192 pluginDep = pluginDep.setScope( JavaScopes.RUNTIME );
193 }
194 request.addDependency( pluginDep );
195 }
196
197 DependencyRequest depRequest = new DependencyRequest( request, resolutionFilter );
198 depRequest.setTrace( trace );
199
200 request.setTrace( RequestTrace.newChild( trace, depRequest ) );
201
202 node = repoSystem.collectDependencies( pluginSession, request ).getRoot();
203
204 if ( logger.isDebugEnabled() )
205 {
206 node.accept( new GraphLogger() );
207 }
208
209 depRequest.setRoot( node );
210 repoSystem.resolveDependencies( session, depRequest );
211 }
212 catch ( DependencyCollectionException e )
213 {
214 throw new PluginResolutionException( plugin, e );
215 }
216 catch ( DependencyResolutionException e )
217 {
218 throw new PluginResolutionException( plugin, e.getCause() );
219 }
220
221 return node;
222 }
223
224 class GraphLogger
225 implements DependencyVisitor
226 {
227
228 private String indent = "";
229
230 public boolean visitEnter( DependencyNode node )
231 {
232 StringBuilder buffer = new StringBuilder( 128 );
233 buffer.append( indent );
234 org.eclipse.aether.graph.Dependency dep = node.getDependency();
235 if ( dep != null )
236 {
237 Artifact art = dep.getArtifact();
238
239 buffer.append( art );
240 buffer.append( ':' ).append( dep.getScope() );
241 }
242
243 logger.debug( buffer.toString() );
244 indent += " ";
245 return true;
246 }
247
248 public boolean visitLeave( DependencyNode node )
249 {
250 indent = indent.substring( 0, indent.length() - 3 );
251 return true;
252 }
253
254 }
255
256 }