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1   package org.apache.maven.repository.internal;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.sonatype.aether.collection.DependencyGraphTransformer;
23  import org.sonatype.aether.collection.DependencyManager;
24  import org.sonatype.aether.collection.DependencySelector;
25  import org.sonatype.aether.collection.DependencyTraverser;
26  import org.sonatype.aether.util.DefaultRepositorySystemSession;
27  import org.sonatype.aether.util.artifact.DefaultArtifactType;
28  import org.sonatype.aether.util.artifact.DefaultArtifactTypeRegistry;
29  import org.sonatype.aether.util.graph.manager.ClassicDependencyManager;
30  import org.sonatype.aether.util.graph.selector.AndDependencySelector;
31  import org.sonatype.aether.util.graph.selector.ExclusionDependencySelector;
32  import org.sonatype.aether.util.graph.selector.OptionalDependencySelector;
33  import org.sonatype.aether.util.graph.selector.ScopeDependencySelector;
34  import org.sonatype.aether.util.graph.transformer.ChainedDependencyGraphTransformer;
35  import org.sonatype.aether.util.graph.transformer.ConflictMarker;
36  import org.sonatype.aether.util.graph.transformer.JavaDependencyContextRefiner;
37  import org.sonatype.aether.util.graph.transformer.JavaEffectiveScopeCalculator;
38  import org.sonatype.aether.util.graph.transformer.NearestVersionConflictResolver;
39  import org.sonatype.aether.util.graph.traverser.FatArtifactTraverser;
40  import org.sonatype.aether.util.repository.DefaultAuthenticationSelector;
41  import org.sonatype.aether.util.repository.DefaultMirrorSelector;
42  import org.sonatype.aether.util.repository.DefaultProxySelector;
43  
44  /**
45   * A simplistic repository system session that mimics Maven's behavior to help third-party developers that want to embed
46   * Maven's dependency resolution into their own applications. <strong>Warning:</strong> This class is not intended for
47   * usage by Maven plugins, those should always acquire the current repository system session via parameter injection.
48   * 
49   * @author Benjamin Bentmann
50   */
51  public class MavenRepositorySystemSession
52      extends DefaultRepositorySystemSession
53  {
54  
55      /**
56       * Creates a new Maven-like repository system session by initializing the session with values typical for
57       * Maven-based resolution. In more detail, this constructor configures settings relevant for the processing of
58       * dependency graphs, most other settings remain at their generic default value. Use the various setters to further
59       * configure the session with authentication, mirror, proxy and other information required for your environment.
60       */
61      public MavenRepositorySystemSession()
62      {
63          setMirrorSelector( new DefaultMirrorSelector() );
64          setAuthenticationSelector( new DefaultAuthenticationSelector() );
65          setProxySelector( new DefaultProxySelector() );
66  
67          DependencyTraverser depTraverser = new FatArtifactTraverser();
68          setDependencyTraverser( depTraverser );
69  
70          DependencyManager depManager = new ClassicDependencyManager();
71          setDependencyManager( depManager );
72  
73          DependencySelector depFilter =
74              new AndDependencySelector( new ScopeDependencySelector( "test", "provided" ),
75                                         new OptionalDependencySelector(), new ExclusionDependencySelector() );
76          setDependencySelector( depFilter );
77  
78          DependencyGraphTransformer transformer =
79              new ChainedDependencyGraphTransformer( new ConflictMarker(), new JavaEffectiveScopeCalculator(),
80                                                     new NearestVersionConflictResolver(),
81                                                     new JavaDependencyContextRefiner() );
82          setDependencyGraphTransformer( transformer );
83  
84          DefaultArtifactTypeRegistry stereotypes = new DefaultArtifactTypeRegistry();
85          stereotypes.add( new DefaultArtifactType( "pom" ) );
86          stereotypes.add( new DefaultArtifactType( "maven-plugin", "jar", "", "java" ) );
87          stereotypes.add( new DefaultArtifactType( "jar", "jar", "", "java" ) );
88          stereotypes.add( new DefaultArtifactType( "ejb", "jar", "", "java" ) );
89          stereotypes.add( new DefaultArtifactType( "ejb-client", "jar", "client", "java" ) );
90          stereotypes.add( new DefaultArtifactType( "test-jar", "jar", "tests", "java" ) );
91          stereotypes.add( new DefaultArtifactType( "javadoc", "jar", "javadoc", "java" ) );
92          stereotypes.add( new DefaultArtifactType( "java-source", "jar", "sources", "java", false, false ) );
93          stereotypes.add( new DefaultArtifactType( "war", "war", "", "java", false, true ) );
94          stereotypes.add( new DefaultArtifactType( "ear", "ear", "", "java", false, true ) );
95          stereotypes.add( new DefaultArtifactType( "rar", "rar", "", "java", false, true ) );
96          stereotypes.add( new DefaultArtifactType( "par", "par", "", "java", false, true ) );
97          setArtifactTypeRegistry( stereotypes );
98  
99          setIgnoreInvalidArtifactDescriptor( true );
100         setIgnoreMissingArtifactDescriptor( true );
101 
102         setSystemProps( System.getProperties() );
103         setConfigProps( System.getProperties() );
104     }
105 
106 }