1 package org.apache.maven.plugin.coreit;
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 java.io.File;
23 import java.io.IOException;
24
25 import org.apache.maven.coreit.component.StatefulSingleton;
26 import org.apache.maven.plugin.AbstractMojo;
27 import org.apache.maven.plugin.MojoExecutionException;
28
29 /**
30 * Updates the state of the singleton component and optionally dumps the updated state to a properties file.
31 *
32 * @goal update-singleton
33 * @phase initialize
34 *
35 * @author Benjamin Bentmann
36 */
37 public class UpdateSingletonMojo
38 extends AbstractMojo
39 {
40
41 /**
42 * @parameter default-value="provider"
43 */
44 private String key;
45
46 /**
47 * @parameter default-value="passed"
48 */
49 private String value;
50
51 /**
52 * @parameter
53 */
54 private File propertiesFile;
55
56 /**
57 * @component
58 */
59 private StatefulSingleton singleton;
60
61 /**
62 * Runs this mojo.
63 *
64 * @throws MojoExecutionException If the output file could not be created.
65 */
66 public void execute()
67 throws MojoExecutionException
68 {
69 getLog().info( "[MAVEN-CORE-IT-LOG] Singleton Instance: " + System.identityHashCode( singleton ) );
70 getLog().info( "[MAVEN-CORE-IT-LOG] Singleton Class Loader: " + singleton.getClass().getClassLoader() );
71
72 getLog().info( "[MAVEN-CORE-IT-LOG] Setting property " + key + " = " + value );
73
74 singleton.setProperty( key, value );
75
76 if ( propertiesFile != null )
77 {
78 getLog().info( "[MAVEN-CORE-IT-LOG] Saving properties to " + propertiesFile );
79
80 try
81 {
82 singleton.saveProperties( propertiesFile );
83 }
84 catch ( IOException e )
85 {
86 throw new MojoExecutionException( "Failed to save properties to " + propertiesFile, e );
87 }
88 }
89 }
90
91 }