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1   package org.apache.maven.plugin.dependency.resolvers;
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 java.io.IOException;
23  
24  import org.apache.maven.plugin.MojoExecutionException;
25  import org.apache.maven.plugin.dependency.AbstractResolveMojo;
26  import org.apache.maven.plugin.dependency.utils.DependencyStatusSets;
27  import org.apache.maven.plugin.dependency.utils.DependencyUtil;
28  import org.apache.maven.plugin.dependency.utils.filters.ResolveFileFilter;
29  import org.apache.maven.plugin.dependency.utils.markers.SourcesFileMarkerHandler;
30  import org.apache.maven.shared.artifact.filter.collection.ArtifactsFilter;
31  
32  /**
33   * Goal that resolves the project dependencies from the repository.
34   * 
35   * @goal resolve
36   * @requiresDependencyResolution test
37   * @phase generate-sources
38   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
39   * @version $Id: ResolveDependenciesMojo.java 728546 2008-12-21 22:56:51Z bentmann $
40   * @since 2.0
41   */
42  public class ResolveDependenciesMojo
43      extends AbstractResolveMojo
44  {
45  
46      /**
47       * If we should display the scope when resolving
48       * 
49       * @parameter expression="${mdep.outputScope}" default-value="true"
50       * @since 2.0-alpha-2
51       */
52      protected boolean outputScope;
53  
54      /**
55       * Only used to store results for integration test validation
56       */
57      DependencyStatusSets results;
58  
59      /**
60       * Main entry into mojo. Gets the list of dependencies and iterates through displaying the resolved version.
61       * 
62       * @throws MojoExecutionException with a message if an error occurs.
63       */
64      public void execute()
65          throws MojoExecutionException
66      {
67          // get sets of dependencies
68          results = this.getDependencySets( false );
69  
70          String output = results.getOutput( outputAbsoluteArtifactFilename, outputScope );
71          try
72          {
73              if ( outputFile == null )
74              {
75                  DependencyUtil.log( output, getLog() );
76              }
77              else
78              {
79                  DependencyUtil.write( output, outputFile, getLog() );
80              }
81          }
82          catch ( IOException e )
83          {
84              throw new MojoExecutionException(e.getMessage(),e);
85          }
86      }
87  
88      /**
89       * @return Returns the results.
90       */
91      public DependencyStatusSets getResults()
92      {
93          return this.results;
94      }
95  
96      protected ArtifactsFilter getMarkedArtifactFilter()
97      {
98          return new ResolveFileFilter( new SourcesFileMarkerHandler( this.markersDirectory ) );
99      }
100 }