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1   package org.apache.maven.jelly.tags.maven;
2   
3   /* ====================================================================
4    *   Licensed to the Apache Software Foundation (ASF) under one or more
5    *   contributor license agreements.  See the NOTICE file distributed with
6    *   this work for additional information regarding copyright ownership.
7    *   The ASF licenses this file to You under the Apache License, Version 2.0
8    *   (the "License"); you may not use this file except in compliance with
9    *   the License.  You may obtain a copy of the License at
10   *
11   *       http://www.apache.org/licenses/LICENSE-2.0
12   *
13   *   Unless required by applicable law or agreed to in writing, software
14   *   distributed under the License is distributed on an "AS IS" BASIS,
15   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   *   See the License for the specific language governing permissions and
17   *   limitations under the License.
18   * ====================================================================
19   */
20  
21  import java.io.IOException;
22  
23  import org.apache.commons.jelly.JellyTagException;
24  import org.apache.commons.jelly.MissingAttributeException;
25  import org.apache.commons.jelly.XMLOutput;
26  import org.apache.maven.jelly.tags.BaseTagSupport;
27  import org.apache.maven.plugin.PluginManager;
28  
29  /**
30   * A Maven Jelly tag that will uninstall a given plugin JAR using the plugin manager.
31   *
32   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
33   * @version $Id: UninstallPluginTag.java 517014 2007-03-11 21:15:50Z ltheussl $
34   */
35  public class UninstallPluginTag
36      extends BaseTagSupport
37  {
38      private String artifactId;
39  
40      public void setArtifactId( String artifactId )
41      {
42          this.artifactId = artifactId;
43      }
44  
45      /* (non-Javadoc)
46       * @see org.apache.commons.jelly.Tag#doTag(org.apache.commons.jelly.XMLOutput)
47       */
48      public void doTag( XMLOutput output )
49          throws MissingAttributeException, JellyTagException
50      {
51          checkAttribute( artifactId, "artifactId" );
52  
53          PluginManager manager = getMavenContext().getMavenSession().getPluginManager();
54          try
55          {
56              manager.uninstallPlugin( artifactId );
57          }
58          catch ( IOException e )
59          {
60              throw new JellyTagException( "error uninstalling plugin", e );
61          }
62      }
63  }