/*

  * 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;

 import java.io.File;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.ide.IdeUtils;

 import org.apache.maven.plugin.ide.JeeUtils;

 import org.apache.maven.project.MavenProject;

 import org.codehaus.plexus.util.FileUtils;

 /**

  * Deletes the config files used by Rad-6. the files .j2ee and the file .websettings

  * 

  * @author <a href="mailto:nir@cfc.at">Richard van Nieuwenhoven</a>

  * @goal rad-clean

  */

 public class RadCleanMojo

     extends EclipseCleanMojo

 {

     /**

      * The project whose project files to clean.

      * 

      * @parameter expression="${project}"

      * @required

      * @readonly

      */

     private MavenProject project;

     protected void cleanExtras()

         throws MojoExecutionException

     {

         delete( new File( getBasedir(), ".j2ee" ) );

         delete( new File( getBasedir(), ".websettings" ) );

         delete( new File( getBasedir(), ".website-config" ) );

         handleLibs();

     }

     /**

      * getter for the instancevarriable project.

      * 

      * @return the maven project decriptor

      */

     public MavenProject getProject()

     {

         return this.project;

     }

     /**

      * getter for the instancevarriable project.

      * 

      * @param project the maven project decriptor

      */

     public void setProject( MavenProject project )

     {

         this.project = project;

     }

     /**

      * Delete all jars in the EAR project root directory.

      * 

      * @throws MojoExecutionException only if a file exists and can't be deleted

      */

     private void handleEarLibs()

         throws MojoExecutionException

     {

         File targetDir = this.project.getBasedir();

         deleteJarArtifactsInDirectory( targetDir );

         deleteWarArtifactsInDirectory( targetDir );

     }

     /**

      * Delete all jars in the project that were required by rad6.

      * 

      * @throws MojoExecutionException only if a file exists and can't be deleted

      */

     private void handleLibs()

         throws MojoExecutionException

     {

         if ( Constants.PROJECT_PACKAGING_EAR.equals( getPackaging() ) )

         {

             handleEarLibs();

         }

         else if ( Constants.PROJECT_PACKAGING_WAR.equals( getPackaging() ) )

         {

             handleWarLibs();

         }

     }

     /**

      * Delete all jars in the WAR project WEB-INF/lib directory.

      * 

      * @throws MojoExecutionException only if a file exists and can't be deleted

      */

     private void handleWarLibs()

         throws MojoExecutionException

     {

         File basedir = this.project.getBasedir();

         File warSourceDirectory =

             new File( IdeUtils.getPluginSetting( this.project, JeeUtils.ARTIFACT_MAVEN_WAR_PLUGIN,

                                                  "warSourceDirectory", //$NON-NLS-1$

                                                  "src/main/webapp" ) ); //$NON-NLS-1$

         String webContentDir = IdeUtils.toRelativeAndFixSeparator( basedir, warSourceDirectory, false );

         String srcMainWebappWebInfLibDirname =

             basedir.getAbsolutePath() + File.separatorChar + webContentDir + File.separatorChar + "WEB-INF"

                 + File.separatorChar + "lib";

         File srcMainWebappWebInfLibDir = new File( srcMainWebappWebInfLibDirname );

         srcMainWebappWebInfLibDir.mkdirs();

         deleteJarArtifactsInDirectory( srcMainWebappWebInfLibDir );

     }

     /**

      * delete all Jar artifacts in the specified directory.

      * 

      * @param directory to delete the jars from

      * @throws MojoExecutionException only if a file exists and can't be deleted

      */

     protected void deleteJarArtifactsInDirectory( File directory )

         throws MojoExecutionException

     {

         deleteArtifactsInDirectory( directory, Constants.PROJECT_PACKAGING_JAR );

     }

     /**

      * delete all War artifacts in the specified directory (cleaning up EAR's for example).

      * 

      * @param directory to delete the wars from

      * @throws MojoExecutionException only if a file exists and can't be deleted

      */

     protected void deleteWarArtifactsInDirectory( File directory )

         throws MojoExecutionException

     {

         deleteArtifactsInDirectory( directory, Constants.PROJECT_PACKAGING_WAR );

     }

     /**

      * Deletes all artifacts of specified packaging type in the specified directory

      * 

      * @param directory - to delete the jars from

      * @param packagingType - packaging type (file extensions in fact - can be dangerous)

      * @see Constants#PROJECT_PACKAGING_JAR

      * @see Constants#PROJECT_PACKAGING_WAR

      * @throws MojoExecutionException if a file exists and can't be deleted

      */

     private void deleteArtifactsInDirectory( File directory, String packagingType )

         throws MojoExecutionException

     {

         // sanity check, only support cleanup of 2 types - jar and war

         if ( Constants.PROJECT_PACKAGING_JAR.equalsIgnoreCase( packagingType )

             || Constants.PROJECT_PACKAGING_WAR.equalsIgnoreCase( packagingType ) )

         {

             String[] oldFiles =

                 FileUtils.getFilesFromExtension( directory.getAbsolutePath(), new String[] { packagingType } );

             for ( int index = 0; index < oldFiles.length; index++ )

             {

                 File f = new File( oldFiles[index] );

                 delete( f );

             }

         }

     }

 }