package org.apache.maven.plugin.ear;
   
   /*
    * 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.codehaus.plexus.configuration.PlexusConfiguration;
  import org.codehaus.plexus.configuration.PlexusConfigurationException;
  import org.codehaus.plexus.util.FileUtils;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * A Mojo that generates the EAR deployment descriptor file(s).
   *
   * @author <a href="snicoll@apache.org">Stephane Nicoll</a>
   * @version $Id: GenerateApplicationXmlMojo.java 802682 2009-08-10 07:57:43Z mkleint $
   * @goal generate-application-xml
   * @phase generate-resources
   * @requiresDependencyResolution test
   */
  public class GenerateApplicationXmlMojo
      extends AbstractEarMojo
  {
  
  
  
      /**
       * Whether the application.xml should be generated or not.
       *
       * @parameter
       */
      private Boolean generateApplicationXml = Boolean.TRUE;
  
      /**
       * Display name of the application to be used when application.xml
       * file is autogenerated.
       *
       * @parameter expression="${project.artifactId}"
       */
      private String displayName;
  
      /**
       * Description of the application to be used when application.xml
       * file is autogenerated.
       *
       * @parameter expression="${project.description}"
       */
      private String description;
  
      /**
       * The security-roles to be added to the auto-generated
       * application.xml file.
       *
       * @parameter
       */
      private PlexusConfiguration security;
  
  
      public void execute()
          throws MojoExecutionException, MojoFailureException
      {
          // Initializes ear modules
          super.execute();
  
          // Handle application.xml
          if ( !generateApplicationXml.booleanValue() )
          {
              getLog().debug( "Generation of application.xml is disabled" );
          }
          else
          {
              // Check version
              if ( !version.equals( VERSION_1_3 ) && !version.equals( VERSION_1_4 ) && 
                   !version.equals( VERSION_5 ) && !version.equals( VERSION_6 ) )
              {
                  throw new MojoExecutionException( "Invalid version[" + version + "]" );
              }
  
             // Generate deployment descriptor and copy it to the build directory
             getLog().info( "Generating application.xml" );
             try
             {
                 generateStandardDeploymentDescriptor();
             }
             catch ( EarPluginException e )
             {
                 throw new MojoExecutionException( "Failed to generate application.xml", e );
             }
 
             try
             {
                 FileUtils.copyFileToDirectory( new File( generatedDescriptorLocation, "application.xml" ),
                                                new File( getWorkDirectory(), "META-INF" ) );
             }
             catch ( IOException e )
             {
                 throw new MojoExecutionException( "Unable to copy application.xml to final destination", e );
             }
         }
 
         // Handle jboss-app.xml
         if ( getJbossConfiguration() == null )
         {
             getLog().debug( "Generation of jboss-app.xml is disabled" );
             return;
         }
         else
         {
             // Generate deployment descriptor and copy it to the build directory
             getLog().info( "Generating jboss-app.xml" );
             try
             {
                 generateJbossDeploymentDescriptor();
             }
             catch ( EarPluginException e )
             {
                 throw new MojoExecutionException( "Failed to generate jboss-app.xml", e );
             }
 
             try
             {
                 FileUtils.copyFileToDirectory( new File( generatedDescriptorLocation, "jboss-app.xml" ),
                                                new File( getWorkDirectory(), "META-INF" ) );
             }
             catch ( IOException e )
             {
                 throw new MojoExecutionException( "Unable to copy jboss-app.xml to final destination", e );
             }
         }
     }
 
     /**
      * Generates the deployment descriptor.
      */
     protected void generateStandardDeploymentDescriptor()
         throws EarPluginException
     {
         File outputDir = new File( generatedDescriptorLocation );
         if ( !outputDir.exists() )
         {
             outputDir.mkdirs();
         }
 
         File descriptor = new File( outputDir, "application.xml" );
 
         final ApplicationXmlWriter writer = new ApplicationXmlWriter( version, encoding );
         final ApplicationXmlWriterContext context = new ApplicationXmlWriterContext(descriptor, getModules(), 
                 buildSecurityRoles(), displayName, description, defaultLibBundleDir);
         writer.write( context );
     }
 
     /**
      * Generates the jboss deployment descriptor.
      */
     protected void generateJbossDeploymentDescriptor()
         throws EarPluginException
     {
         File outputDir = new File( generatedDescriptorLocation );
         if ( !outputDir.exists() )
         {
             outputDir.mkdirs();
         }
 
         File descriptor = new File( outputDir, "jboss-app.xml" );
 
         JbossAppXmlWriter writer = new JbossAppXmlWriter( encoding );
         writer.write( descriptor, getJbossConfiguration(), getModules() );
     }
 
     /**
      * Builds the security roles based on the configuration.
      *
      * @return a list of SecurityRole object(s)
      * @throws EarPluginException if the configuration is invalid
      */
     private List buildSecurityRoles()
         throws EarPluginException
     {
         final List result = new ArrayList();
         if ( security == null )
         {
             return result;
         }
         try
         {
             final PlexusConfiguration[] securityRoles = security.getChildren( SecurityRole.SECURITY_ROLE );
 
             for ( int i = 0; i < securityRoles.length; i++ )
             {
                 PlexusConfiguration securityRole = securityRoles[i];
                 final String id = securityRole.getAttribute( SecurityRole.ID_ATTRIBUTE );
                 final String roleName = securityRole.getChild( SecurityRole.ROLE_NAME ).getValue();
                 final String roleNameId =
                     securityRole.getChild( SecurityRole.ROLE_NAME ).getAttribute( SecurityRole.ID_ATTRIBUTE );
                 final String description = securityRole.getChild( SecurityRole.DESCRIPTION ).getValue();
                 final String descriptionId =
                     securityRole.getChild( SecurityRole.DESCRIPTION ).getAttribute( SecurityRole.ID_ATTRIBUTE );
 
                 if ( roleName == null )
                 {
                     throw new EarPluginException( "Invalid security-role configuration, role-name could not be null." );
                 }
                 else
                 {
                     result.add( new SecurityRole( roleName, roleNameId, id, description, descriptionId ) );
                 }
             }
             return result;
         }
         catch ( PlexusConfigurationException e )
         {
             throw new EarPluginException( "Invalid security-role configuration", e );
         }
 
     }
 }