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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.artifact.manager.WagonManager;
23  import org.apache.maven.plugin.AbstractMojo;
24  import org.apache.maven.plugin.MojoExecutionException;
25  
26  import java.io.File;
27  import java.io.FileOutputStream;
28  import java.io.IOException;
29  import java.io.InputStream;
30  import java.io.OutputStream;
31  import java.util.Properties;
32  
33  /**
34   * Dumps the version info for a wagon provider to a properties file.
35   *
36   * @goal dump-version
37   * @phase validate
38   *
39   * @author Benjamin Bentmann
40   */
41  public class DumpVersionMojo
42      extends AbstractMojo
43  {
44  
45      /**
46       * Project base directory used for manual path alignment.
47       *
48       * @parameter default-value="${basedir}"
49       * @readonly
50       */
51      private File basedir;
52  
53      /**
54       * The Wagon manager used to lookup the wagon of interest.
55       *
56       * @component
57       */
58      private WagonManager wagonManager;
59  
60      /**
61       * The path to the properties file used to dump the auth infos.
62       *
63       * @parameter property="wagon.propertiesFile"
64       */
65      private File propertiesFile;
66  
67      /**
68       * The role hint for the provider of interest.
69       *
70       * @parameter property="wagon.providerHint"
71       */
72      private String providerHint;
73  
74      /**
75       * The group id for the provider of interest.
76       *
77       * @parameter property="wagon.providerGroupId"
78       */
79      private String providerGroupId;
80  
81      /**
82       * The artifact id for the provider of interest.
83       *
84       * @parameter property="wagon.providerArtifactId"
85       */
86      private String providerArtifactId;
87  
88      /**
89       * Runs this mojo.
90       *
91       * @throws MojoExecutionException If the output file could not be created.
92       */
93      public void execute()
94          throws MojoExecutionException
95      {
96          Properties wagonProperties = new Properties();
97  
98          Object wagon;
99          try
100         {
101             wagon = wagonManager.getWagon( providerHint );
102 
103             String resource = "/META-INF/maven/" + providerGroupId + "/" + providerArtifactId + "/pom.properties";
104             InputStream is = wagon.getClass().getResourceAsStream( resource );
105             wagonProperties.load( is );
106         }
107         catch ( IOException e )
108         {
109             throw new MojoExecutionException( "Wagon properties could not be read: " + e.getMessage(), e );
110         }
111         catch ( Exception e )
112         {
113             getLog().info( "[MAVEN-CORE-IT-LOG] No wagon available for " + providerHint );
114             wagonProperties.setProperty( "missing", "true" );
115         }
116 
117         if ( !propertiesFile.isAbsolute() )
118         {
119             propertiesFile = new File( basedir, propertiesFile.getPath() );
120         }
121 
122         getLog().info( "[MAVEN-CORE-IT-LOG] Creating output file " + propertiesFile );
123 
124         OutputStream out = null;
125         try
126         {
127             propertiesFile.getParentFile().mkdirs();
128             out = new FileOutputStream( propertiesFile );
129             wagonProperties.store( out, "MAVEN-CORE-IT-LOG" );
130         }
131         catch ( IOException e )
132         {
133             throw new MojoExecutionException( "Output file could not be created: " + propertiesFile, e );
134         }
135         finally
136         {
137             if ( out != null )
138             {
139                 try
140                 {
141                     out.close();
142                 }
143                 catch ( IOException e )
144                 {
145                     // just ignore
146                 }
147             }
148         }
149 
150         getLog().info( "[MAVEN-CORE-IT-LOG] Created output file " + propertiesFile );
151     }
152 
153 }