1 /**
2 * Copyright 2009-2011 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.Properties;
38 import java.util.Enumeration;
39
40 import org.apache.maven.plugin.MojoExecutionException;
41 import org.apache.maven.plugin.MojoFailureException;
42
43 /**
44 * Writes project properties to a file.
45 *
46 * @author <a href="mailto:zarars@gmail.com">Zarar Siddiqi</a>
47 * @version $Id: WriteProjectProperties.java 9747 2009-05-20 13:27:44Z mark $
48 * @goal write-project-properties
49 */
50 public class WriteProjectProperties extends AbstractWritePropertiesMojo
51 {
52 public void execute()
53 throws MojoExecutionException, MojoFailureException
54 {
55 validateOutputFile();
56 Properties projProperties = new Properties();
57 projProperties.putAll( project.getProperties() );
58
59 Properties systemProperties = System.getProperties();
60
61 //allow system properties to over write key/value found in maven properties
62 Enumeration enumeration = systemProperties.keys();
63 while ( enumeration.hasMoreElements() )
64 {
65 String key = (String) enumeration.nextElement();
66 String value = systemProperties.getProperty( key );
67 if ( projProperties.get( key ) != null )
68 {
69 projProperties.put( key, value );
70 }
71
72 }
73
74 writeProperties( projProperties, outputFile );
75 }
76 }