/*

  * 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.writers.rad;

 import java.io.File;

 import java.util.Iterator;

 import org.apache.maven.model.Resource;

 import org.apache.maven.plugin.MojoExecutionException;

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

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

 import org.apache.maven.plugin.eclipse.writers.AbstractEclipseManifestWriter;

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

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

 import org.apache.maven.project.MavenProject;

 /**

  * Create or adapt the manifest files for the RAD6 runtime dependencys. attention these will not be used for the real

  * ear these are just to get the runtime enviorment using the maven dependencies. WARNING: The manifest resources added

  * here will not have the benefit of the dependencies of the project, since that's not provided in the setup() apis, one

  * of the locations from which this writer is used in the RadPlugin.

  * 

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

  */

 public class RadManifestWriter

     extends AbstractEclipseManifestWriter

 {

     private static final String DEFAULT_WEBAPP_RESOURCE_DIR =

         "src" + File.separatorChar + "main" + File.separatorChar + "webapp";

     /**

      * Search the project for the existing META-INF directory where the manifest should be located.

      * 

      * @return the apsolute path to the META-INF directory

      * @throws MojoExecutionException

      */

     protected String getMetaInfBaseDirectory( MavenProject project )

         throws MojoExecutionException

     {

         String metaInfBaseDirectory = null;

         if ( config.getProject().getPackaging().equals( Constants.PROJECT_PACKAGING_WAR ) )

         {

             // Generating web content settings based on war plug-in warSourceDirectory property

             File warSourceDirectory =

                 new File( IdeUtils.getPluginSetting( config.getProject(), JeeUtils.ARTIFACT_MAVEN_WAR_PLUGIN,

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

                                                      DEFAULT_WEBAPP_RESOURCE_DIR ) );

             String webContentDir =

                 IdeUtils.toRelativeAndFixSeparator( config.getEclipseProjectDirectory(), warSourceDirectory, false );

             metaInfBaseDirectory =

                 config.getProject().getBasedir().getAbsolutePath() + File.separatorChar + webContentDir;

             log.debug( "Attempting to use: " + metaInfBaseDirectory + " for location of META-INF in war project." );

             File metaInfDirectoryFile = new File( metaInfBaseDirectory + File.separatorChar + META_INF_DIRECTORY );

             if ( metaInfDirectoryFile.exists() && !metaInfDirectoryFile.isDirectory() )

             {

                 metaInfBaseDirectory = null;

             }

         }

         if ( metaInfBaseDirectory == null )

         {

             for ( Iterator iterator = project.getResources().iterator(); iterator.hasNext(); )

             {

                 metaInfBaseDirectory = ( (Resource) iterator.next() ).getDirectory();

                 File metaInfDirectoryFile = new File( metaInfBaseDirectory + File.separatorChar + META_INF_DIRECTORY );

                 log.debug( "Checking for existence of META-INF directory: " + metaInfDirectoryFile );

                 if ( metaInfDirectoryFile.exists() && !metaInfDirectoryFile.isDirectory() )

                 {

                     metaInfBaseDirectory = null;

                 }

             }

         }

         return metaInfBaseDirectory;

     }

     /**

      * {@inheritDoc}

      */

     public void write()

         throws MojoExecutionException

     {

         super.write();

         verifyManifestBasedirInSourceDirs( getMetaInfBaseDirectory( config.getProject() ) );

     }

     // NOTE: This could change the config!

     private void verifyManifestBasedirInSourceDirs( String metaInfBaseDirectory )

     {

         EclipseSourceDir[] sourceDirs = config.getSourceDirs();

         if ( sourceDirs != null )

         {

             boolean foundMetaInfBaseDirectory = false;

             for ( int i = 0; i < sourceDirs.length; i++ )

             {

                 EclipseSourceDir esd = sourceDirs[i];

                 if ( esd.getPath().equals( metaInfBaseDirectory ) )

                 {

                     foundMetaInfBaseDirectory = true;

                     break;

                 }

             }

             if ( !foundMetaInfBaseDirectory )

             {

                 EclipseSourceDir dir =

                     new EclipseSourceDir( metaInfBaseDirectory, null, true, false, null, null, false );

                 EclipseSourceDir[] newSourceDirs = new EclipseSourceDir[sourceDirs.length + 1];

                 newSourceDirs[sourceDirs.length] = dir;

                 System.arraycopy( sourceDirs, 0, newSourceDirs, 0, sourceDirs.length );

                 config.setSourceDirs( newSourceDirs );

             }

         }

     }

 }