1 package org.apache.maven.plugins.dependency.tree;
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22 import java.io.File;
23 import java.io.IOException;
24 import java.io.StringWriter;
25 import java.io.Writer;
26 import java.util.ArrayList;
27 import java.util.Arrays;
28 import java.util.List;
29
30 import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
31 import org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter;
32 import org.apache.maven.artifact.versioning.ArtifactVersion;
33 import org.apache.maven.artifact.versioning.Restriction;
34 import org.apache.maven.artifact.versioning.VersionRange;
35 import org.apache.maven.execution.MavenSession;
36 import org.apache.maven.plugin.AbstractMojo;
37 import org.apache.maven.plugin.MojoExecutionException;
38 import org.apache.maven.plugin.MojoFailureException;
39 import org.apache.maven.plugins.dependency.utils.DependencyUtil;
40 import org.apache.maven.plugins.annotations.Component;
41 import org.apache.maven.plugins.annotations.Mojo;
42 import org.apache.maven.plugins.annotations.Parameter;
43 import org.apache.maven.plugins.annotations.ResolutionScope;
44 import org.apache.maven.project.DefaultProjectBuildingRequest;
45 import org.apache.maven.project.MavenProject;
46 import org.apache.maven.project.ProjectBuildingRequest;
47 import org.apache.maven.shared.artifact.filter.StrictPatternExcludesArtifactFilter;
48 import org.apache.maven.shared.artifact.filter.StrictPatternIncludesArtifactFilter;
49 import org.apache.maven.shared.dependency.graph.DependencyGraphBuilder;
50 import org.apache.maven.shared.dependency.graph.DependencyGraphBuilderException;
51 import org.apache.maven.shared.dependency.graph.DependencyNode;
52 import org.apache.maven.shared.dependency.graph.filter.AncestorOrSelfDependencyNodeFilter;
53 import org.apache.maven.shared.dependency.graph.filter.AndDependencyNodeFilter;
54 import org.apache.maven.shared.dependency.graph.filter.ArtifactDependencyNodeFilter;
55 import org.apache.maven.shared.dependency.graph.filter.DependencyNodeFilter;
56 import org.apache.maven.shared.dependency.graph.traversal.BuildingDependencyNodeVisitor;
57 import org.apache.maven.shared.dependency.graph.traversal.CollectingDependencyNodeVisitor;
58 import org.apache.maven.shared.dependency.graph.traversal.DependencyNodeVisitor;
59 import org.apache.maven.shared.dependency.graph.traversal.FilteringDependencyNodeVisitor;
60 import org.apache.maven.shared.dependency.graph.traversal.SerializingDependencyNodeVisitor;
61 import org.apache.maven.shared.dependency.graph.traversal.SerializingDependencyNodeVisitor.GraphTokens;
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70 @Mojo( name = "tree", requiresDependencyCollection = ResolutionScope.TEST, threadSafe = true )
71 public class TreeMojo
72 extends AbstractMojo
73 {
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79 @Parameter( defaultValue = "${project}", readonly = true, required = true )
80 private MavenProject project;
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82 @Parameter( defaultValue = "${session}", readonly = true, required = true )
83 private MavenSession session;
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88 @Parameter( defaultValue = "${reactorProjects}", readonly = true, required = true )
89 private List<MavenProject> reactorProjects;
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94 @Component( hint = "default" )
95 private DependencyGraphBuilder dependencyGraphBuilder;
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103 @Parameter( property = "outputFile" )
104 private File outputFile;
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115 @Parameter( property = "outputType", defaultValue = "text" )
116 private String outputType;
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125 @Parameter( property = "scope" )
126 private String scope;
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135 @Parameter( property = "verbose", defaultValue = "false" )
136 private boolean verbose;
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145 @Parameter( property = "tokens", defaultValue = "standard" )
146 private String tokens;
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166 @Parameter( property = "includes" )
167 private String includes;
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187 @Parameter( property = "excludes" )
188 private String excludes;
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193 private DependencyNode rootNode;
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200 @Parameter( property = "appendOutput", defaultValue = "false" )
201 private boolean appendOutput;
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208 @Parameter( property = "skip", defaultValue = "false" )
209 private boolean skip;
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216 @Override
217 public void execute()
218 throws MojoExecutionException, MojoFailureException
219 {
220 if ( isSkip() )
221 {
222 getLog().info( "Skipping plugin execution" );
223 return;
224 }
225
226 try
227 {
228 String dependencyTreeString;
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231 ArtifactFilter artifactFilter = createResolvingArtifactFilter();
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233 if ( verbose )
234 {
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237 getLog().info( "Verbose not supported since maven-dependency-plugin 3.0" );
238 }
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240 ProjectBuildingRequest buildingRequest =
241 new DefaultProjectBuildingRequest( session.getProjectBuildingRequest() );
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243 buildingRequest.setProject( project );
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247 rootNode = dependencyGraphBuilder.buildDependencyGraph( buildingRequest, artifactFilter, reactorProjects );
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249 dependencyTreeString = serializeDependencyTree( rootNode );
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251 if ( outputFile != null )
252 {
253 DependencyUtil.write( dependencyTreeString, outputFile, this.appendOutput, getLog() );
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255 getLog().info( "Wrote dependency tree to: " + outputFile );
256 }
257 else
258 {
259 DependencyUtil.log( dependencyTreeString, getLog() );
260 }
261 }
262 catch ( DependencyGraphBuilderException exception )
263 {
264 throw new MojoExecutionException( "Cannot build project dependency graph", exception );
265 }
266 catch ( IOException exception )
267 {
268 throw new MojoExecutionException( "Cannot serialise project dependency graph", exception );
269 }
270 }
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279 public MavenProject getProject()
280 {
281 return project;
282 }
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289 public DependencyNode getDependencyGraph()
290 {
291 return rootNode;
292 }
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294 public boolean isSkip()
295 {
296 return skip;
297 }
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299 public void setSkip( boolean skip )
300 {
301 this.skip = skip;
302 }
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311 private ArtifactFilter createResolvingArtifactFilter()
312 {
313 ArtifactFilter filter;
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316 if ( scope != null )
317 {
318 getLog().debug( "+ Resolving dependency tree for scope '" + scope + "'" );
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320 filter = new ScopeArtifactFilter( scope );
321 }
322 else
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324 filter = null;
325 }
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327 return filter;
328 }
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336 private String serializeDependencyTree( DependencyNode rootNode )
337 {
338 StringWriter writer = new StringWriter();
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340 DependencyNodeVisitor visitor = getSerializingDependencyNodeVisitor( writer );
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343 visitor = new BuildingDependencyNodeVisitor( visitor );
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345 DependencyNodeFilter filter = createDependencyNodeFilter();
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347 if ( filter != null )
348 {
349 CollectingDependencyNodeVisitor collectingVisitor = new CollectingDependencyNodeVisitor();
350 DependencyNodeVisitor firstPassVisitor = new FilteringDependencyNodeVisitor( collectingVisitor, filter );
351 rootNode.accept( firstPassVisitor );
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353 DependencyNodeFilter secondPassFilter =
354 new AncestorOrSelfDependencyNodeFilter( collectingVisitor.getNodes() );
355 visitor = new FilteringDependencyNodeVisitor( visitor, secondPassFilter );
356 }
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358 rootNode.accept( visitor );
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360 return writer.toString();
361 }
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363 public DependencyNodeVisitor getSerializingDependencyNodeVisitor( Writer writer )
364 {
365 if ( "graphml".equals( outputType ) )
366 {
367 return new GraphmlDependencyNodeVisitor( writer );
368 }
369 else if ( "tgf".equals( outputType ) )
370 {
371 return new TGFDependencyNodeVisitor( writer );
372 }
373 else if ( "dot".equals( outputType ) )
374 {
375 return new DOTDependencyNodeVisitor( writer );
376 }
377 else
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379 return new SerializingDependencyNodeVisitor( writer, toGraphTokens( tokens ) );
380 }
381 }
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389 private GraphTokens toGraphTokens( String tokens )
390 {
391 GraphTokens graphTokens;
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393 if ( "whitespace".equals( tokens ) )
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395 getLog().debug( "+ Using whitespace tree tokens" );
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397 graphTokens = SerializingDependencyNodeVisitor.WHITESPACE_TOKENS;
398 }
399 else if ( "extended".equals( tokens ) )
400 {
401 getLog().debug( "+ Using extended tree tokens" );
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403 graphTokens = SerializingDependencyNodeVisitor.EXTENDED_TOKENS;
404 }
405 else
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407 graphTokens = SerializingDependencyNodeVisitor.STANDARD_TOKENS;
408 }
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410 return graphTokens;
411 }
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418 private DependencyNodeFilter createDependencyNodeFilter()
419 {
420 List<DependencyNodeFilter> filters = new ArrayList<DependencyNodeFilter>();
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423 if ( includes != null )
424 {
425 List<String> patterns = Arrays.asList( includes.split( "," ) );
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427 getLog().debug( "+ Filtering dependency tree by artifact include patterns: " + patterns );
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429 ArtifactFilter artifactFilter = new StrictPatternIncludesArtifactFilter( patterns );
430 filters.add( new ArtifactDependencyNodeFilter( artifactFilter ) );
431 }
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434 if ( excludes != null )
435 {
436 List<String> patterns = Arrays.asList( excludes.split( "," ) );
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438 getLog().debug( "+ Filtering dependency tree by artifact exclude patterns: " + patterns );
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440 ArtifactFilter artifactFilter = new StrictPatternExcludesArtifactFilter( patterns );
441 filters.add( new ArtifactDependencyNodeFilter( artifactFilter ) );
442 }
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444 return filters.isEmpty() ? null : new AndDependencyNodeFilter( filters );
445 }
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459 public static boolean containsVersion( VersionRange allowedRange, ArtifactVersion theVersion )
460 {
461 ArtifactVersion recommendedVersion = allowedRange.getRecommendedVersion();
462 if ( recommendedVersion == null )
463 {
464 List<Restriction> restrictions = allowedRange.getRestrictions();
465 for ( Restriction restriction : restrictions )
466 {
467 if ( restriction.containsVersion( theVersion ) )
468 {
469 return true;
470 }
471 }
472 }
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475 return recommendedVersion.compareTo( theVersion ) <= 0;
476 }
477 }