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 java.io.File;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Set;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter;
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugin.ear.util.ArtifactTypeMappingService;
  import org.apache.maven.plugin.ear.util.JavaEEVersion;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.configuration.PlexusConfiguration;
  import org.codehaus.plexus.configuration.PlexusConfigurationException;
  
  /**
   * A base class for EAR-processing related tasks.
   *
   * @author <a href="snicoll@apache.org">Stephane Nicoll</a>
   * @version $Id: AbstractEarMojo.java 1228836 2012-01-08 12:59:53Z rfscholte $
   */
  public abstract class AbstractEarMojo
      extends AbstractMojo
  {
      public static final String APPLICATION_XML_URI = "META-INF/application.xml";
  
      public static final String META_INF = "META-INF";
  
      public static final String UTF_8 = "UTF-8";
  
      /**
       * The version of the application.xml to generate. Valid values
       * are 1.3, 1.4, 5 and 6.
       *
       * @parameter default-value="1.3"
       */
      protected String version;
  
      /**
       * Character encoding for the auto-generated deployment file(s).
       *
       * @parameter default-value="UTF-8"
       */
      protected String encoding;
  
      /**
       * Directory where the deployment descriptor file(s) will be auto-generated.
       *
       * @parameter default-value="${project.build.directory}"
       */
      protected String generatedDescriptorLocation;
  
      /**
       * The maven project.
       *
       * @parameter default-value="${project}"
       * @required
       * @readonly
       */
      protected MavenProject project;
  
      /**
       * The ear modules configuration.
       *
       * @parameter
       */
      private EarModule[] modules;
  
      /**
       * The artifact type mappings.
       *
       * @parameter
       */
      protected PlexusConfiguration artifactTypeMappings;
  
      /**
       * The default bundle dir for libraries.
      *
      * @parameter alias="defaultJavaBundleDir"
      */
     protected String defaultLibBundleDir;
 
     /**
      * Should libraries be added in application.xml
      *
      * @parameter default-value="false"
      */
     private Boolean includeLibInApplicationXml = Boolean.FALSE;
 
     /**
      * The file name mapping to use for all dependencies included
      * in the EAR file.
      *
      * @parameter
      */
     private String fileNameMapping;
 
     /**
      * Directory that resources are copied to during the build.
      *
      * @parameter default-value="${project.build.directory}/${project.build.finalName}"
      * @required
      */
     private File workDirectory;
 
     /**
      * The JBoss specific configuration.
      *
      * @parameter
      */
     private PlexusConfiguration jboss;
 
     /**
      * The id to use to define the main artifact (e.g. the artifact without
      * a classifier) when there is multiple candidates.
      *
      * @parameter
      */
     private String mainArtifactId = "none";
 
     private List<EarModule> earModules;
 
     private List<EarModule> allModules;
 
     private JbossConfiguration jbossConfiguration;
 
     @SuppressWarnings( "unchecked" )
     public void execute()
         throws MojoExecutionException, MojoFailureException
     {
         final JavaEEVersion javaEEVersion = JavaEEVersion.getJavaEEVersion( version );
         getLog().debug( "Resolving artifact type mappings ..." );
         ArtifactTypeMappingService typeMappingService;
         try
         {
             typeMappingService = new ArtifactTypeMappingService();
             typeMappingService.configure( artifactTypeMappings );
         }
         catch ( EarPluginException e )
         {
             throw new MojoExecutionException( "Failed to initialize artifact type mappings", e );
         }
         catch ( PlexusConfigurationException e )
         {
             throw new MojoExecutionException( "Invalid artifact type mappings configuration", e );
         }
 
         getLog().debug( "Initializing JBoss configuration if necessary ..." );
         try
         {
             initializeJbossConfiguration();
         }
         catch ( EarPluginException e )
         {
             throw new MojoExecutionException( "Failed to initialize JBoss configuration", e );
         }
 
         getLog().debug( "Initializing ear execution context" );
         EarExecutionContext earExecutionContext =
             new EarExecutionContext( project, mainArtifactId, defaultLibBundleDir, jbossConfiguration, fileNameMapping,
                                      typeMappingService );
 
         getLog().debug( "Resolving ear modules ..." );
         allModules = new ArrayList<EarModule>();
         try
         {
             if ( modules != null && modules.length > 0 )
             {
                 // Let's validate user-defined modules
                 EarModule module = null;
 
                 for ( int i = 0; i < modules.length; i++ )
                 {
                     module = modules[i];
                     getLog().debug( "Resolving ear module[" + module + "]" );
                     module.setEarExecutionContext( earExecutionContext );
                     module.resolveArtifact( project.getArtifacts() );
                     allModules.add( module );
                 }
             }
 
             // Let's add other modules
             Set<Artifact> artifacts = project.getArtifacts();
             for ( Artifact artifact : artifacts )
             {
                 // If the artifact's type is POM, ignore and continue
                 // since it's used for transitive deps only.
                 if ( "pom".equals( artifact.getType() ) )
                 {
                     continue;
                 }
 
                 // Artifact is not yet registered and it has neither test, nor a
                 // provided scope, not is it optional
                 ScopeArtifactFilter filter = new ScopeArtifactFilter( Artifact.SCOPE_RUNTIME );
                 if ( !isArtifactRegistered( artifact, allModules ) && !artifact.isOptional()
                     && filter.include( artifact ) )
                 {
                     EarModule module = EarModuleFactory.newEarModule( artifact, javaEEVersion, defaultLibBundleDir,
                                                                       includeLibInApplicationXml, typeMappingService );
                     module.setEarExecutionContext( earExecutionContext );
                     allModules.add( module );
                 }
             }
         }
         catch ( EarPluginException e )
         {
             throw new MojoExecutionException( "Failed to initialize ear modules", e );
         }
 
         // Now we have everything let's built modules which have not been excluded
         earModules = new ArrayList<EarModule>();
         for ( EarModule earModule :  allModules )
         {
             if ( earModule.isExcluded() )
             {
                 getLog().debug( "Skipping ear module[" + earModule + "]" );
             }
             else
             {
                 earModules.add( earModule );
             }
         }
 
     }
 
     protected List<EarModule> getModules()
     {
         if ( earModules == null )
         {
             throw new IllegalStateException( "Ear modules have not been initialized" );
         }
         return earModules;
     }
 
     protected MavenProject getProject()
     {
         return project;
     }
 
     protected File getWorkDirectory()
     {
         return workDirectory;
     }
 
     protected JbossConfiguration getJbossConfiguration()
     {
         return jbossConfiguration;
     }
 
     private static boolean isArtifactRegistered( Artifact a, List<EarModule> currentList )
     {
         for( EarModule em : currentList )
         {
             if ( em.getArtifact().equals( a ) )
             {
                 return true;
             }
         }
         return false;
     }
 
     /**
      * Initializes the JBoss configuration.
      *
      * @throws EarPluginException if the configuration is invalid
      */
     private void initializeJbossConfiguration()
         throws EarPluginException
     {
         if ( jboss == null )
         {
             jbossConfiguration = null;
         }
         else
         {
             try
             {
                 String version = jboss.getChild( JbossConfiguration.VERSION ).getValue();
                 if ( version == null )
                 {
                     getLog().info( "JBoss version not set, using JBoss 4 by default" );
                     version = JbossConfiguration.VERSION_4;
                 }
                 final String securityDomain = jboss.getChild( JbossConfiguration.SECURITY_DOMAIN ).getValue();
                 final String unauthenticatedPrincipal =
                     jboss.getChild( JbossConfiguration.UNAUHTHENTICTED_PRINCIPAL ).getValue();
 
                 final PlexusConfiguration loaderRepositoryEl = jboss.getChild( JbossConfiguration.LOADER_REPOSITORY );
                 final String loaderRepository = loaderRepositoryEl.getValue();
                 final String loaderRepositoryClass =
                     loaderRepositoryEl.getAttribute( JbossConfiguration.LOADER_REPOSITORY_CLASS_ATTRIBUTE );
                 final PlexusConfiguration loaderRepositoryConfigEl =
                     jboss.getChild( JbossConfiguration.LOADER_REPOSITORY_CONFIG );
                 final String loaderRepositoryConfig = loaderRepositoryConfigEl.getValue();
                 final String configParserClass =
                     loaderRepositoryConfigEl.getAttribute( JbossConfiguration.CONFIG_PARSER_CLASS_ATTRIBUTE );
 
                 final String jmxName = jboss.getChild( JbossConfiguration.JMX_NAME ).getValue();
                 final String moduleOrder = jboss.getChild( JbossConfiguration.MODULE_ORDER ).getValue();
 
                 final List<String> dataSources = new ArrayList<String>();
                 final PlexusConfiguration dataSourcesEl = jboss.getChild( JbossConfiguration.DATASOURCES );
                 if ( dataSourcesEl != null )
                 {
 
                     final PlexusConfiguration[] dataSourcesConfig =
                         dataSourcesEl.getChildren( JbossConfiguration.DATASOURCE );
                     for ( int i = 0; i < dataSourcesConfig.length; i++ )
                     {
                         PlexusConfiguration dataSourceConfig = dataSourcesConfig[i];
                         dataSources.add( dataSourceConfig.getValue() );
 
                     }
                 }
                 final String libraryDirectory = jboss.getChild( JbossConfiguration.LIBRARY_DIRECTORY ).getValue();
                 jbossConfiguration = new JbossConfiguration( version, securityDomain, unauthenticatedPrincipal, jmxName,
                                                              loaderRepository, moduleOrder, dataSources,
                                                              libraryDirectory, loaderRepositoryConfig,
                                                              loaderRepositoryClass, configParserClass );
             }
             catch ( PlexusConfigurationException e )
             {
                 throw new EarPluginException( "Invalid JBoss configuration", e );
             }
         }
     }
 }