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1   package org.apache.maven.plugin.reactor;
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.util.List;
23  import java.util.Set;
24  
25  import org.codehaus.plexus.util.dag.Vertex;
26  
27  /**
28   * Goal to build a project X and all of the reactor projects that depend on X 
29   *
30   * @author <a href="mailto:dfabulich@apache.org">Dan Fabulich</a>
31   * @goal make-dependents
32   * @aggregator
33   * @phase process-sources
34   */
35  public class MakeDependentsMojo
36      extends MakeMojo
37  {
38      // gather parents instead of children
39      protected Set gatherProjects( Vertex v, SuperProjectSorter ps, Set visited, Set out )
40      {
41          visited.add(v);
42          out.add(ps.getProjectMap().get(v.getLabel()));
43          List parents = v.getParents();
44          for (int i = 0; i < parents.size(); i++) {
45              Vertex parent = (Vertex) parents.get(i);
46              if (visited.contains(parent)) continue;
47              gatherProjects(parent, ps, visited, out);
48          }
49          return out;
50      }
51  }