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: MainInstanceShowMojo.java 4613 2012-09-22 10:07:08Z schulte $
29 *
30 */
31 package org.jomc.mojo;
32
33 import org.apache.maven.plugin.MojoExecutionException;
34 import org.jomc.model.Instance;
35 import org.jomc.model.Modules;
36 import org.jomc.model.ObjectFactory;
37 import org.jomc.model.modlet.ModelHelper;
38 import org.jomc.modlet.Model;
39 import org.jomc.modlet.ModelContext;
40
41 /**
42 * Displays a project's main instance.
43 *
44 * @author <a href="mailto:cs@schulte.it">Christian Schulte</a>
45 * @version $JOMC: MainInstanceShowMojo.java 4613 2012-09-22 10:07:08Z schulte $
46 *
47 * @goal show-main-instance
48 * @threadSafe
49 * @requiresDependencyResolution test
50 * @since 1.1
51 */
52 public final class MainInstanceShowMojo extends AbstractModelShowMojo
53 {
54
55 /**
56 * Identifier of the instance 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.showMainInstanceExecutionStrategy}"
67 */
68 private String showMainInstanceExecutionStrategy;
69
70 /** Creates a new {@code MainInstanceShowMojo} instance. */
71 public MainInstanceShowMojo()
72 {
73 super();
74 }
75
76 @Override
77 protected Model getDisplayModel( final ModelContext modelContext ) throws MojoExecutionException
78 {
79 final Model model = this.getModel( modelContext );
80 final Modules modules = ModelHelper.getModules( model );
81 final Instance instance = modules != null ? modules.getInstance( this.identifier ) : null;
82 Model displayModel = null;
83
84 if ( instance != null )
85 {
86 displayModel = new Model();
87 displayModel.setIdentifier( model.getIdentifier() );
88 displayModel.getAny().add( new ObjectFactory().createInstance( instance ) );
89 }
90
91 return displayModel;
92 }
93
94 @Override
95 protected ClassLoader getDisplayClassLoader() throws MojoExecutionException
96 {
97 return this.getMainClassLoader();
98 }
99
100 @Override
101 protected String getGoal() throws MojoExecutionException
102 {
103 return "show-main-instance";
104 }
105
106 @Override
107 protected String getExecutionStrategy() throws MojoExecutionException
108 {
109 return this.showMainInstanceExecutionStrategy;
110 }
111
112 }