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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.maven.artifact.versioning.ArtifactVersion;
23  import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
24  import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper;
25  import org.apache.maven.execution.RuntimeInformation;
26  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
27  
28  /**
29   * This rule checks that the Maven version is allowed.
30   *
31   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
32   * @version $Id: RequireMavenVersion.java 1493575 2013-06-16 19:23:51Z rfscholte $
33   */
34  public class RequireMavenVersion
35      extends AbstractVersionEnforcer
36  {
37  
38      /*
39       * (non-Javadoc)
40       *
41       * @see org.apache.maven.enforcer.rule.api.EnforcerRule#execute(org.apache.maven.enforcer.rule.api.EnforcerRuleHelper)
42       */
43      public void execute( EnforcerRuleHelper helper )
44          throws EnforcerRuleException
45      {
46          try
47          {
48              RuntimeInformation rti = (RuntimeInformation) helper.getComponent( RuntimeInformation.class );
49              ArtifactVersion detectedMavenVersion = rti.getApplicationVersion();
50              helper.getLog().debug( "Detected Maven Version: " + detectedMavenVersion );
51              enforceVersion( helper.getLog(), "Maven", getVersion(), detectedMavenVersion );
52          }
53          catch ( ComponentLookupException e )
54          {
55              // TODO Auto-generated catch block
56              e.printStackTrace();
57          }
58  
59      }
60  
61  }