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1   /**
2    * Copyright 2009-2012 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.codehaus.mojo.properties;
17  
18  /*
19   * Licensed to the Apache Software Foundation (ASF) under one
20   * or more contributor license agreements.  See the NOTICE file 
21   * distributed with this work for additional information
22   * regarding copyright ownership.  The ASF licenses this file
23   * to you under the Apache License, Version 2.0 (the
24   * "License"); you may not use this file except in compliance
25   * with the License.  You may obtain a copy of the License at
26   * 
27   *   http://www.apache.org/licenses/LICENSE-2.0
28   * 
29   * Unless required by applicable law or agreed to in writing, 
30   * software distributed under the License is distributed on an
31   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
32   * KIND, either express or implied.  See the License for the 
33   * specific language governing permissions and limitations 
34   * under the License.
35   */
36  
37  import java.util.Enumeration;
38  import java.util.Properties;
39  
40  import org.apache.maven.plugin.AbstractMojo;
41  import org.apache.maven.plugin.MojoExecutionException;
42  import org.apache.maven.plugin.MojoFailureException;
43  
44  /**
45   * Sets system properties.
46   * 
47   * @author <a href="mailto:markh@apache.org">Mark Hobson</a>
48   * @version $Id: SetSystemPropertiesMojo.java 9751 2009-05-20 14:53:00Z mark $
49   * @goal set-system-properties
50   * @phase initialize
51   */
52  public class SetSystemPropertiesMojo
53      extends AbstractMojo
54  {
55      // fields -----------------------------------------------------------------
56  
57      /**
58       * The system properties to set.
59       * 
60       * @parameter
61       * @required
62       */
63      private Properties properties;
64  
65      // Mojo methods -----------------------------------------------------------
66  
67      /**
68       * {@inheritDoc}
69       */
70      public void execute()
71          throws MojoExecutionException, MojoFailureException
72      {
73          if ( properties.isEmpty() )
74          {
75              getLog().debug( "No system properties found" );
76  
77              return;
78          }
79  
80          getLog().debug( "Setting system properties:" );
81  
82          for ( Enumeration propertyNames = properties.propertyNames(); propertyNames.hasMoreElements(); )
83          {
84              String propertyName = propertyNames.nextElement().toString();
85              String propertyValue = properties.getProperty( propertyName );
86  
87              getLog().debug( "- " + propertyName + " = " + propertyValue );
88  
89              System.setProperty( propertyName, propertyValue );
90          }
91  
92          int count = properties.size();
93  
94          getLog().info( "Set " + count + " system " + ( count > 1 ? "properties" : "property" ) );
95      }
96  }