/*

  * 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 java.util.ArrayList;

 import java.util.Iterator;

 import org.apache.maven.artifact.Artifact;

 import org.apache.maven.model.Resource;

 import org.apache.maven.plugin.MojoExecutionException;

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

 import org.apache.maven.plugin.eclipse.writers.rad.RadApplicationXMLWriter;

 import org.apache.maven.plugin.eclipse.writers.rad.RadEjbClasspathWriter;

 import org.apache.maven.plugin.eclipse.writers.rad.RadJ2EEWriter;

 import org.apache.maven.plugin.eclipse.writers.rad.RadLibCopier;

 import org.apache.maven.plugin.eclipse.writers.rad.RadManifestWriter;

 import org.apache.maven.plugin.eclipse.writers.rad.RadWebSettingsWriter;

 import org.apache.maven.plugin.eclipse.writers.rad.RadWebsiteConfigWriter;

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

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

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

 import org.apache.maven.project.MavenProject;

 /**

  * Generates the rad-6 configuration files.

  * 

  * @author Richard van Nieuwenhoven (patch submission)

  * @author jdcasey

  * @goal rad

  * @execute phase="generate-resources"

  */

 public class RadPlugin

     extends EclipsePlugin

 {

     private static final String COM_IBM_ETOOLS_J2EE_UI_LIB_DIR_BUILDER = "com.ibm.etools.j2ee.ui.LibDirBuilder";

     private static final String COM_IBM_ETOOLS_SITEEDIT_SITE_NAV_BUILDER = "com.ibm.etools.siteedit.SiteNavBuilder";

     private static final String COM_IBM_ETOOLS_SITEEDIT_SITE_UPDATE_BUILDER =

         "com.ibm.etools.siteedit.SiteUpdateBuilder";

     private static final String COM_IBM_ETOOLS_SITEEDIT_WEB_SITE_NATURE = "com.ibm.etools.siteedit.WebSiteNature";

     private static final String COM_IBM_ETOOLS_VALIDATION_VALIDATIONBUILDER =

         "com.ibm.etools.validation.validationbuilder";

     private static final String COM_IBM_ETOOLS_WEBPAGE_TEMPLATE_TEMPLATEBUILDER =

         "com.ibm.etools.webpage.template.templatebuilder";

     private static final String COM_IBM_ETOOLS_WEBPAGE_TEMPLATE_TEMPLATENATURE =

         "com.ibm.etools.webpage.template.templatenature";

     private static final String COM_IBM_ETOOLS_WEBTOOLS_ADDITIONS_JSPCOMPILATIONBUILDER =

         "com.ibm.etools.webtools.additions.jspcompilationbuilder";

     private static final String COM_IBM_ETOOLS_WEBTOOLS_ADDITIONS_LINKSBUILDER =

         "com.ibm.etools.webtools.additions.linksbuilder";

     private static final String COM_IBM_SSE_MODEL_STRUCTUREDBUILDER = "com.ibm.sse.model.structuredbuilder";

     private static final String COM_IBM_WTP_EJB_EJBNATURE = "com.ibm.wtp.ejb.EJBNature";

     private static final String COM_IBM_WTP_J2EE_EARNATURE = "com.ibm.wtp.j2ee.EARNature";

     private static final String COM_IBM_WTP_J2EE_LIB_COPY_BUILDER = "com.ibm.wtp.j2ee.LibCopyBuilder";

     private static final String COM_IBM_WTP_MIGRATION_MIGRATION_BUILDER = "com.ibm.wtp.migration.MigrationBuilder";

     private static final String COM_IBM_WTP_WEB_WEB_NATURE = "com.ibm.wtp.web.WebNature";

     private static final String NO_GENERATED_RESOURCE_DIRNAME = "none";

     private static final String ORG_ECLIPSE_JDT_CORE_JAVABUILDER = "org.eclipse.jdt.core.javabuilder";

     private static final String ORG_ECLIPSE_JDT_CORE_JAVANATURE = "org.eclipse.jdt.core.javanature";

     /**

      * The context root of the webapplication. This parameter is only used when the current project is a war project,

      * else it will be ignored.

      * 

      * @parameter

      */

     private String warContextRoot;

     /**

      * Use this to specify a different generated resources folder than target/generated-resources/rad6. Set to "none" to

      * skip this folder generation.

      * 

      * @parameter expression="${generatedResourceDirName}" default-value="target/generated-resources/rad6" since="2.4"

      */

     private String generatedResourceDirName;

     /**

      * @return Returns the warContextRoot.

      */

     public String getWarContextRoot()

     {

         return warContextRoot;

     }

     /**

      * @param warContextRoot The warContextRoot to set.

      */

     public void setWarContextRoot( String warContextRoot )

     {

         this.warContextRoot = warContextRoot;

     }

     /**

      * write all rad6 configuration files. <br/> <b> NOTE: This could change the config! </b>

      * 

      * @see EclipsePlugin#writeConfiguration()

      * @param deps resolved dependencies to handle

      * @throws MojoExecutionException if the config files could not be written.

      */

     protected void writeExtraConfiguration( EclipseWriterConfig config )

         throws MojoExecutionException

     {

         super.writeExtraConfiguration( config );

         new RadJ2EEWriter().init( getLog(), config ).write();

         new RadWebSettingsWriter( this.warContextRoot ).init( getLog(), config ).write();

         new RadWebsiteConfigWriter().init( getLog(), config ).write();

         new RadApplicationXMLWriter().init( getLog(), config ).write();

         new RadLibCopier().init( getLog(), config ).write();

         new RadEjbClasspathWriter().init( getLog(), config ).write();

     }

     /**

      * make room for a Manifest file. use a generated resource for JARS and for WARS use the manifest in the

      * webapp/meta-inf directory.

      * 

      * @throws MojoExecutionException

      */

     private void addManifestResource( EclipseWriterConfig config )

         throws MojoExecutionException

     {

         if ( isJavaProject() )

         {

             // special case must be done first because it can add stuff to the classpath that will be

             // written by the superclass

             new RadManifestWriter().init( getLog(), config ).write();

         }

         if ( isJavaProject() && !Constants.PROJECT_PACKAGING_EAR.equals( packaging ) &&

             !Constants.PROJECT_PACKAGING_WAR.equals( packaging ) &&

             !Constants.PROJECT_PACKAGING_EJB.equals( packaging ) &&

             !NO_GENERATED_RESOURCE_DIRNAME.equals( this.generatedResourceDirName ) )

         {

             String generatedResourceDir =

                 this.project.getBasedir().getAbsolutePath() + File.separatorChar + this.generatedResourceDirName;

             String metainfDir = generatedResourceDir + File.separatorChar + "META-INF";

             new File( metainfDir ).mkdirs();

             final Resource resource = new Resource();

             getLog().debug( "Adding " + this.generatedResourceDirName + " to resources" );

             resource.setDirectory( generatedResourceDir );

             this.executedProject.addResource( resource );

         }

         if ( Constants.PROJECT_PACKAGING_WAR.equals( packaging ) )

         {

             new File( getWebContentBaseDirectory( config ) + File.separatorChar + "META-INF" ).mkdirs();

         }

     }

     /**

      * Returns absolute path to the web content directory based on configuration of the war plugin or default one

      * otherwise.

      * 

      * @param project

      * @return absolute directory path as String

      * @throws MojoExecutionException

      */

     private static String getWebContentBaseDirectory( EclipseWriterConfig config )

         throws MojoExecutionException

     {

         // getting true location of web source dir from config

         File warSourceDirectory =

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

                                                  "warSourceDirectory", "src/main/webapp" ) );

         // getting real and correct path to the web source dir

         String webContentDir =

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

         // getting the path to meta-inf base dir

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

         return result;

     }

     /**

      * overwite the default builders with the builders required by RAD6.

      * 

      * @param packaging packaging-type (jar,war,ejb,ear)

      */

     protected void fillDefaultBuilders( String packaging )

     {

         super.fillDefaultBuilders( packaging );

         ArrayList buildcommands = new ArrayList();

         if ( Constants.PROJECT_PACKAGING_EAR.equals( packaging ) )

         {

             buildcommands.add( COM_IBM_ETOOLS_VALIDATION_VALIDATIONBUILDER );

             buildcommands.add( COM_IBM_SSE_MODEL_STRUCTUREDBUILDER );

         }

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

         {

             buildcommands.add( COM_IBM_WTP_MIGRATION_MIGRATION_BUILDER );

             buildcommands.add( ORG_ECLIPSE_JDT_CORE_JAVABUILDER );

             buildcommands.add( COM_IBM_ETOOLS_J2EE_UI_LIB_DIR_BUILDER );

             buildcommands.add( COM_IBM_ETOOLS_WEBTOOLS_ADDITIONS_LINKSBUILDER );

             buildcommands.add( COM_IBM_ETOOLS_WEBPAGE_TEMPLATE_TEMPLATEBUILDER );

             buildcommands.add( COM_IBM_ETOOLS_SITEEDIT_SITE_NAV_BUILDER );

             buildcommands.add( COM_IBM_ETOOLS_SITEEDIT_SITE_UPDATE_BUILDER );

             buildcommands.add( COM_IBM_ETOOLS_VALIDATION_VALIDATIONBUILDER );

             buildcommands.add( COM_IBM_WTP_J2EE_LIB_COPY_BUILDER );

             buildcommands.add( COM_IBM_ETOOLS_WEBTOOLS_ADDITIONS_JSPCOMPILATIONBUILDER );

             buildcommands.add( COM_IBM_SSE_MODEL_STRUCTUREDBUILDER );

         }

         else if ( Constants.PROJECT_PACKAGING_EJB.equals( packaging ) )

         {

             buildcommands.add( ORG_ECLIPSE_JDT_CORE_JAVABUILDER );

             buildcommands.add( COM_IBM_ETOOLS_VALIDATION_VALIDATIONBUILDER );

             buildcommands.add( COM_IBM_WTP_J2EE_LIB_COPY_BUILDER );

             buildcommands.add( COM_IBM_SSE_MODEL_STRUCTUREDBUILDER );

         }

         else if ( isJavaProject() )

         {

             buildcommands.add( ORG_ECLIPSE_JDT_CORE_JAVABUILDER );

             buildcommands.add( COM_IBM_SSE_MODEL_STRUCTUREDBUILDER );

         }

         setBuildcommands( buildcommands );

     }

     /**

      * overwite the default natures with the natures required by RAD6.

      * 

      * @param packaging packaging-type (jar,war,ejb,ear)

      */

     protected void fillDefaultNatures( String packaging )

     {

         super.fillDefaultNatures( packaging );

         ArrayList projectnatures = new ArrayList();

         if ( Constants.PROJECT_PACKAGING_EAR.equals( packaging ) )

         {

             projectnatures.add( COM_IBM_WTP_J2EE_EARNATURE );

         }

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

         {

             projectnatures.add( COM_IBM_WTP_WEB_WEB_NATURE );

             projectnatures.add( ORG_ECLIPSE_JDT_CORE_JAVANATURE );

             projectnatures.add( COM_IBM_ETOOLS_SITEEDIT_WEB_SITE_NATURE );

             projectnatures.add( COM_IBM_ETOOLS_WEBPAGE_TEMPLATE_TEMPLATENATURE );

         }

         else if ( Constants.PROJECT_PACKAGING_EJB.equals( packaging ) )

         {

             projectnatures.add( COM_IBM_WTP_EJB_EJBNATURE );

             projectnatures.add( ORG_ECLIPSE_JDT_CORE_JAVANATURE );

         }

         else if ( isJavaProject() )

         {

             projectnatures.add( ORG_ECLIPSE_JDT_CORE_JAVANATURE );

         }

         setProjectnatures( projectnatures );

     }

     /**

      * Utility method that locates a project producing the given artifact.

      * 

      * @param artifact the artifact a project should produce.

      * @return <code>true</code> if the artifact is produced by a reactor projectart.

      */

     protected boolean isAvailableAsAReactorProject( Artifact artifact )

     {

         if ( this.reactorProjects != null &&

             ( Constants.PROJECT_PACKAGING_JAR.equals( artifact.getType() ) ||

                 Constants.PROJECT_PACKAGING_EJB.equals( artifact.getType() ) || Constants.PROJECT_PACKAGING_WAR.equals( artifact.getType() ) ) )

         {

             for ( Iterator iter = this.reactorProjects.iterator(); iter.hasNext(); )

             {

                 MavenProject reactorProject = (MavenProject) iter.next();

                 if ( reactorProject.getGroupId().equals( artifact.getGroupId() ) &&

                     reactorProject.getArtifactId().equals( artifact.getArtifactId() ) )

                 {

                     if ( reactorProject.getVersion().equals( artifact.getVersion() ) )

                     {

                         return true;

                     }

                     else

                     {

                         getLog().info(

                                        "Artifact " +

                                            artifact.getId() +

                                            " already available as a reactor project, but with different version. Expected: " +

                                            artifact.getVersion() + ", found: " + reactorProject.getVersion() );

                     }

                 }

             }

         }

         return false;

     }

     /**

      * 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...

      */

     protected void setupExtras()

         throws MojoExecutionException

     {

         super.setupExtras();

         IdeDependency[] deps = doDependencyResolution();

         EclipseWriterConfig config = createEclipseWriterConfig( deps );

         addManifestResource( config );

     }

 }