package org.apache.maven.plugin.war.packaging;

 /*

  * 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.

  */

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.MojoFailureException;

 import org.apache.maven.plugin.war.util.WebappStructureSerializer;

 import java.io.File;

 import java.io.IOException;

 /**

  * Saves the webapp structure cache.

  *

  * @author Stephane Nicoll

  * 

  * @version $Id: SaveWebappStructurePostPackagingTask.java 659222 2008-05-22 19:33:48Z olamy $

  */

 public class SaveWebappStructurePostPackagingTask

     implements WarPostPackagingTask

 {

     private final File targetFile;

     private final WebappStructureSerializer serialier;

     public SaveWebappStructurePostPackagingTask( File targetFile )

     {

         this.targetFile = targetFile;

         this.serialier = new WebappStructureSerializer();

     }

     public void performPostPackaging( WarPackagingContext context )

         throws MojoExecutionException, MojoFailureException

     {

         if ( targetFile == null )

         {

             context.getLog().debug( "Cache usage is disabled, not saving webapp structure." );

         }

         else

         {

             try

             {

                 serialier.toXml( context.getWebappStructure(), targetFile );

                 context.getLog().debug( "Cache saved successfully." );

             }

             catch ( IOException e )

             {

                 throw new MojoExecutionException( "Could not save webapp structure", e );

             }

         }

     }

 }