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1   package org.apache.maven.plugins.enforcer;
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.apache.commons.lang.SystemUtils;
23  import org.apache.maven.execution.MavenSession;
24  import org.apache.maven.execution.RuntimeInformation;
25  import org.apache.maven.plugin.AbstractMojo;
26  import org.apache.maven.plugin.MojoExecutionException;
27  import org.apache.maven.plugins.annotations.Component;
28  import org.apache.maven.plugins.annotations.Mojo;
29  import org.apache.maven.project.MavenProject;
30  import org.apache.maven.project.path.PathTranslator;
31  import org.codehaus.plexus.PlexusConstants;
32  import org.codehaus.plexus.PlexusContainer;
33  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
34  import org.codehaus.plexus.context.Context;
35  import org.codehaus.plexus.context.ContextException;
36  import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
37  
38  /**
39   * This goal displays the current platform information.
40   *
41   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
42   * @version $Id: DisplayInfoMojo.java 1411846 2012-11-20 20:29:54Z hboutemy $
43   */
44  @Mojo( name = "display-info", threadSafe = true )
45  public class DisplayInfoMojo
46      extends AbstractMojo
47      implements Contextualizable
48  {
49  
50      /**
51       * Path Translator needed by the ExpressionEvaluator
52       */
53      @Component( role = PathTranslator.class )
54      protected PathTranslator translator;
55  
56      /**
57       * The MavenSession
58       */
59      @Component
60      protected MavenSession session;
61  
62      /**
63       * POM
64       */
65      @Component
66      protected MavenProject project;
67  
68      // set by the contextualize method. Only way to get the
69      // plugin's container in 2.0.x
70      protected PlexusContainer container;
71  
72      public void contextualize ( Context context )
73          throws ContextException
74      {
75          container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
76      }
77  
78      /**
79       * Entry point to the mojo
80       */
81      public void execute ()
82          throws MojoExecutionException
83      {
84          try
85          {
86              EnforcerExpressionEvaluator evaluator = new EnforcerExpressionEvaluator( session, translator, project );
87              DefaultEnforcementRuleHelper helper = new DefaultEnforcementRuleHelper( session, evaluator, getLog(),
88                                                                                      container );
89              RuntimeInformation rti = (RuntimeInformation) helper.getComponent( RuntimeInformation.class );
90              getLog().info( "Maven Version: " + rti.getApplicationVersion() );
91              getLog().info( "JDK Version: " + SystemUtils.JAVA_VERSION + " normalized as: "
92                                 + RequireJavaVersion.normalizeJDKVersion( SystemUtils.JAVA_VERSION_TRIMMED ) );
93              RequireOS os = new RequireOS();
94              os.displayOSInfo( getLog(), true );
95          }
96          catch ( ComponentLookupException e )
97          {
98              getLog().warn( "Unable to Lookup component: " + e.getLocalizedMessage() );
99          }
100     }
101 
102 }