1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.felix.bundleplugin;
20  
21  
22  import java.io.FileOutputStream;
23  import java.io.OutputStream;
24  import java.util.Iterator;
25  import java.util.Map;
26  import java.util.Properties;
27  
28  import org.apache.maven.plugin.MojoExecutionException;
29  import org.apache.maven.project.MavenProject;
30  import org.codehaus.plexus.util.FileUtils;
31  import org.codehaus.plexus.util.IOUtil;
32  import org.codehaus.plexus.util.StringUtils;
33  
34  import aQute.bnd.osgi.Builder;
35  import aQute.bnd.osgi.Jar;
36  
37  
38  /**
39   * Generate Ant script to create the bundle (you should run ant:ant first).
40   *
41   * @goal ant
42   * @requiresDependencyResolution test
43   * @description generate Ant script to create the bundle
44   */
45  public class AntPlugin extends BundlePlugin
46  {
47      static final String BUILD_XML = "/build.xml";
48      static final String BUILD_BND = "/maven-build.bnd";
49  
50  
51      protected void execute( MavenProject currentProject, Map originalInstructions, Properties properties,
52          Jar[] classpath ) throws MojoExecutionException
53      {
54          final String artifactId = getProject().getArtifactId();
55          final String baseDir = getProject().getBasedir().getPath();
56  
57          try
58          {
59              // assemble bundle as usual, but don't save it - this way we have all the instructions we need
60              Builder builder = buildOSGiBundle( currentProject, originalInstructions, properties, classpath );
61              Properties bndProperties = builder.getProperties();
62  
63              // cleanup and remove all non-strings from the builder properties
64              for ( Iterator i = bndProperties.values().iterator(); i.hasNext(); )
65              {
66                  if ( !( i.next() instanceof String ) )
67                  {
68                      i.remove();
69                  }
70              }
71  
72              // save the BND generated bundle to the same output directory that maven uses
73              bndProperties.setProperty( "-output", "${maven.build.dir}/${maven.build.finalName}.jar" );
74  
75              OutputStream out = new FileOutputStream( baseDir + BUILD_BND );
76              bndProperties.store( out, " Merged BND Instructions" );
77              IOUtil.close( out );
78  
79              // modify build template
80              String buildXml = IOUtil.toString( getClass().getResourceAsStream( BUILD_XML ) );
81              buildXml = StringUtils.replace( buildXml, "BND_VERSION", builder.getVersion() );
82              buildXml = StringUtils.replace( buildXml, "ARTIFACT_ID", artifactId );
83  
84              FileUtils.fileWrite( baseDir + BUILD_XML, buildXml );
85  
86              // cleanup...
87              builder.close();
88          }
89          catch ( Exception e )
90          {
91              throw new MojoExecutionException( "Problem creating Ant script", e );
92          }
93  
94          getLog().info( "Wrote Ant bundle project for " + artifactId + " to " + baseDir );
95      }
96  }