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1   /*
2    *   Copyright (C) Christian Schulte, 2005-206
3    *   All rights reserved.
4    *
5    *   Redistribution and use in source and binary forms, with or without
6    *   modification, are permitted provided that the following conditions
7    *   are met:
8    *
9    *     o Redistributions of source code must retain the above copyright
10   *       notice, this list of conditions and the following disclaimer.
11   *
12   *     o Redistributions in binary form must reproduce the above copyright
13   *       notice, this list of conditions and the following disclaimer in
14   *       the documentation and/or other materials provided with the
15   *       distribution.
16   *
17   *   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
18   *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
19   *   AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
20   *   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
21   *   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22   *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23   *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24   *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25   *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26   *   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27   *
28   *   $JOMC: MainSpecificationShowMojo.java 4866 2014-02-16 17:40:24Z schulte $
29   *
30   */
31  package org.jomc.mojo;
32  
33  import javax.xml.bind.JAXBElement;
34  import org.apache.maven.plugin.MojoExecutionException;
35  import org.jomc.model.Modules;
36  import org.jomc.model.Specification;
37  import org.jomc.model.modlet.ModelHelper;
38  import org.jomc.modlet.Model;
39  import org.jomc.modlet.ModelContext;
40  
41  /**
42   * Displays a specification from the project's main model.
43   *
44   * @author <a href="mailto:cs@schulte.it">Christian Schulte</a>
45   * @version $JOMC: MainSpecificationShowMojo.java 4866 2014-02-16 17:40:24Z schulte $
46   *
47   * @goal show-main-specification
48   * @threadSafe
49   * @requiresDependencyResolution test
50   * @since 1.1
51   */
52  public final class MainSpecificationShowMojo extends AbstractModelShowMojo
53  {
54  
55      /**
56       * Identifier of the specification to show.
57       *
58       * @parameter expression="${jomc.identifier}"
59       * @required
60       */
61      private String identifier;
62  
63      /**
64       * Execution strategy of the goal ({@code always} or {@code once-per-session}).
65       *
66       * @parameter default-value="once-per-session" expression="${jomc.showMainSpecificationExecutionStrategy}"
67       */
68      private String showMainSpecificationExecutionStrategy;
69  
70      /** Creates a new {@code MainSpecificationShowMojo} instance. */
71      public MainSpecificationShowMojo()
72      {
73          super();
74      }
75  
76      @Override
77      protected JAXBElement<?> getDisplayModel( final ModelContext modelContext ) throws MojoExecutionException
78      {
79          final Model model = this.getModel( modelContext );
80          final Modules modules = ModelHelper.getModules( model );
81          final Specification specification = modules != null ? modules.getSpecification( this.identifier ) : null;
82          JAXBElement<?> displayModel = null;
83  
84          if ( specification != null )
85          {
86              displayModel = new org.jomc.model.ObjectFactory().createSpecification( specification );
87          }
88  
89          return displayModel;
90      }
91  
92      @Override
93      protected ClassLoader getDisplayClassLoader() throws MojoExecutionException
94      {
95          return this.getMainClassLoader();
96      }
97  
98      @Override
99      protected String getGoal() throws MojoExecutionException
100     {
101         return "show-main-specification";
102     }
103 
104     @Override
105     protected String getExecutionStrategy() throws MojoExecutionException
106     {
107         return this.showMainSpecificationExecutionStrategy;
108     }
109 
110 }