1 package org.apache.maven.shared.dependency.graph.internal;
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22 import java.lang.reflect.InvocationTargetException;
23 import java.util.ArrayList;
24 import java.util.Collections;
25 import java.util.List;
26
27 import org.apache.maven.artifact.Artifact;
28 import org.apache.maven.artifact.factory.ArtifactFactory;
29 import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
30 import org.apache.maven.artifact.versioning.VersionRange;
31 import org.apache.maven.project.DefaultDependencyResolutionRequest;
32 import org.apache.maven.project.DependencyResolutionException;
33 import org.apache.maven.project.DependencyResolutionRequest;
34 import org.apache.maven.project.DependencyResolutionResult;
35 import org.apache.maven.project.MavenProject;
36 import org.apache.maven.project.ProjectBuildingRequest;
37 import org.apache.maven.project.ProjectDependenciesResolver;
38 import org.apache.maven.shared.dependency.graph.DependencyGraphBuilder;
39 import org.apache.maven.shared.dependency.graph.DependencyGraphBuilderException;
40 import org.apache.maven.shared.dependency.graph.DependencyNode;
41 import org.codehaus.plexus.component.annotations.Component;
42 import org.codehaus.plexus.component.annotations.Requirement;
43 import org.sonatype.aether.graph.Dependency;
44 import org.sonatype.aether.version.VersionConstraint;
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53 @Component( role = DependencyGraphBuilder.class, hint = "maven3" )
54 public class Maven3DependencyGraphBuilder
55 implements DependencyGraphBuilder
56 {
57 @Requirement
58 private ProjectDependenciesResolver resolver;
59
60 @Requirement
61 private ArtifactFactory factory;
62
63 public DependencyNode buildDependencyGraph( MavenProject project, ArtifactFilter filter )
64 throws DependencyGraphBuilderException
65 {
66 try
67 {
68 ProjectBuildingRequest projectBuildingRequest =
69 (ProjectBuildingRequest) invoke( project, "getProjectBuildingRequest" );
70
71 DependencyResolutionRequest request =
72 new DefaultDependencyResolutionRequest( project, projectBuildingRequest.getRepositorySession() );
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74 DependencyResolutionResult result = resolver.resolve( request );
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76 return buildDependencyNode( null, result.getDependencyGraph(), project.getArtifact(), filter );
77 }
78 catch ( DependencyResolutionException e )
79 {
80 throw new DependencyGraphBuilderException( e.getMessage(), e );
81 }
82 catch ( IllegalAccessException e )
83 {
84 throw new DependencyGraphBuilderException( e.getMessage(), e );
85 }
86 catch ( InvocationTargetException e )
87 {
88 throw new DependencyGraphBuilderException( e.getMessage(), e );
89 }
90 catch ( NoSuchMethodException e )
91 {
92 throw new DependencyGraphBuilderException( e.getMessage(), e );
93 }
94 }
95
96 private Object invoke( Object object, String method )
97 throws IllegalAccessException, InvocationTargetException, NoSuchMethodException
98 {
99 return object.getClass().getMethod( method ).invoke( object );
100 }
101
102 private Artifact getDependencyArtifact( Dependency dep )
103 {
104 org.sonatype.aether.artifact.Artifact artifact = dep.getArtifact();
105
106 return factory.createDependencyArtifact( artifact.getGroupId(), artifact.getArtifactId(),
107 VersionRange.createFromVersion( artifact.getVersion() ),
108 artifact.getExtension(), artifact.getClassifier(), dep.getScope(),
109 dep.isOptional() );
110 }
111
112 private DependencyNode buildDependencyNode( DependencyNode parent, org.sonatype.aether.graph.DependencyNode node,
113 Artifact artifact, ArtifactFilter filter )
114 {
115 DefaultDependencyNode current =
116 new DefaultDependencyNode( parent, artifact, node.getPremanagedVersion(), node.getPremanagedScope(),
117 getVersionSelectedFromRange( node.getVersionConstraint() ) );
118
119 List<DependencyNode> nodes = new ArrayList<DependencyNode>( node.getChildren().size() );
120 for ( org.sonatype.aether.graph.DependencyNode child : node.getChildren() )
121 {
122 Artifact childArtifact = getDependencyArtifact( child.getDependency() );
123
124 if ( ( filter == null ) || filter.include( childArtifact ) )
125 {
126 nodes.add( buildDependencyNode( current, child, childArtifact, filter ) );
127 }
128 }
129
130 current.setChildren( Collections.unmodifiableList( nodes ) );
131
132 return current;
133 }
134
135 private String getVersionSelectedFromRange( VersionConstraint constraint )
136 {
137 if ( ( constraint == null ) || ( constraint.getVersion() != null ) )
138 {
139 return null;
140 }
141
142 StringBuilder sb = new StringBuilder();
143 for ( org.sonatype.aether.version.VersionRange range : constraint.getRanges() )
144 {
145 if ( sb.length() > 0 )
146 {
147 sb.append( ',' );
148 }
149 sb.append( range );
150 }
151
152 return sb.toString();
153 }
154 }