/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 package org.apache.maven.plugin.eclipse.osgiplugin;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.IOException;

 import java.util.Properties;

 import java.util.jar.JarFile;

 import java.util.jar.Manifest;

 import org.apache.maven.plugin.eclipse.InstallPluginsMojo;

 import org.codehaus.plexus.archiver.ArchiverException;

 import org.codehaus.plexus.archiver.jar.JarArchiver;

 /**

  * Represents an Eclipse plugin that it's exploded in a directory

  * 

  * @author <a href="mailto:carlos@apache.org">Carlos Sanchez</a>

  * @version $Id: ExplodedPlugin.java 728546 2008-12-21 22:56:51Z bentmann $

  */

 public class ExplodedPlugin

     extends AbstractEclipseOsgiPlugin

 {

     private File tempJarFile;

     public ExplodedPlugin( File folder )

     {

         super( folder );

     }

     private File getManifestFile()

     {

         return new File( getFile(), "META-INF/MANIFEST.MF" );

     }

     public Manifest getManifest()

         throws IOException

     {

         if ( !getManifestFile().exists() )

         {

             return null;

         }

         FileInputStream is = new FileInputStream( getManifestFile() );

         try

         {

             return new Manifest( is );

         }

         finally

         {

             is.close();

         }

     }

     public boolean hasManifest()

     {

         return getManifestFile().exists();

     }

     public File getJarFile()

         throws IOException

     {

         if ( tempJarFile == null )

         {

             try

             {

                 tempJarFile = File.createTempFile( "mvn-eclipse", null );

                 tempJarFile.deleteOnExit();

                 JarArchiver jarArchiver = new JarArchiver();

                 jarArchiver.setDestFile( tempJarFile );

                 jarArchiver.addDirectory( getFile() );

                 jarArchiver.setManifest( getManifestFile() );

                 jarArchiver.createArchive();

                 return tempJarFile;

             }

             catch ( ArchiverException e )

             {

                 // TODO only accepts the cause as parameter in JDK 1.6+

                 throw new IOException( e.getMessage() );

             }

         }

         return tempJarFile;

     }

     public JarFile getJar()

         throws IOException

     {

         return new JarFile( getJarFile(), false );

     }

     /**

      * set the pom property to install unpacked if it was unpacked

      */

     public Properties getPomProperties()

     {

         Properties properties = new Properties();

         properties.setProperty( InstallPluginsMojo.PROP_UNPACK_PLUGIN, Boolean.TRUE.toString() );

         return properties;

     }

 }