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 org.apache.maven.plugin.AbstractMojo;
23 import org.apache.maven.plugin.MojoExecutionException;
24
25 import java.io.File;
26 import java.io.FileOutputStream;
27 import java.io.IOException;
28 import java.util.Properties;
29
30 /**
31 * Check that we correctly use the implementation parameter.
32 *
33 * @goal param-implementation
34 */
35 public class ParameterImplementationMojo
36 extends AbstractMojo
37 {
38
39 /**
40 * The path to the properties file for the parameter information.
41 *
42 * @parameter
43 */
44 private File outputFile;
45
46 /**
47 * A parameter whose type is an interface but with a default implementation class.
48 *
49 * @parameter implementation="org.apache.maven.plugin.coreit.sub.AnImplementation"
50 */
51 private AnInterface theParameter;
52
53 public void execute()
54 throws MojoExecutionException
55 {
56 Properties props = new Properties();
57
58 if ( theParameter != null )
59 {
60 getLog().info( "[MAVEN-CORE-IT-LOG] theParameter = " + theParameter );
61
62 props.setProperty( "theParameter.class", theParameter.getClass().getName() );
63 props.setProperty( "theParameter.string", theParameter.toString() );
64 }
65
66 getLog().info( "[MAVEN-CORE-IT-LOG] Creating output file " + outputFile );
67
68 try
69 {
70 outputFile.getParentFile().mkdirs();
71
72 try ( FileOutputStream os = new FileOutputStream( outputFile ) )
73 {
74 props.store( os, "[MAVEN-CORE-IT-LOG]" );
75 }
76 }
77 catch ( IOException e )
78 {
79 throw new MojoExecutionException( "Failed to create output file " + outputFile + ": " + e.getMessage(), e );
80 }
81
82 getLog().info( "[MAVEN-CORE-IT-LOG] Created output file " + outputFile );
83 }
84
85 }