package org.apache.maven.plugin.eclipse.writers;

 /*

  * Copyright 2001-2005 The Apache Software Foundation.

  *

  * Licensed 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.io.FileWriter;

 import java.io.IOException;

 import org.apache.maven.plugin.MojoExecutionException;

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

 import org.codehaus.plexus.util.IOUtil;

 import org.codehaus.plexus.util.xml.PrettyPrintXMLWriter;

 import org.codehaus.plexus.util.xml.XMLWriter;

 /**

  * Creates a .settings folder for Eclipse WTP 1.x release and writes out the configuration under it.

  * 

  * @author <a href="mailto:rahul.thakur.xdev@gmail.com">Rahul Thakur</a>

  * @author <a href="mailto:fgiust@apache.org">Fabrizio Giustina</a>

  * @version $Id: EclipseWtpFacetsWriter.java 424062 2006-07-20 21:04:59Z fgiust $

  */

 public class EclipseWtpFacetsWriter

     extends AbstractWtpResourceWriter

 {

     private static final String FACET_JST_EAR = "jst.ear"; //$NON-NLS-1$

     private static final String FACET_JST_UTILITY = "jst.utility"; //$NON-NLS-1$

     private static final String FACET_JST_EJB = "jst.ejb"; //$NON-NLS-1$

     private static final String FACET_JST_WEB = "jst.web"; //$NON-NLS-1$

     private static final String FACET_JST_JAVA = "jst.java"; //$NON-NLS-1$

     private static final String ATTR_VERSION = "version"; //$NON-NLS-1$

     private static final String ELT_INSTALLED = "installed"; //$NON-NLS-1$

     private static final String ATTR_FACET = "facet"; //$NON-NLS-1$

     private static final String ELT_FIXED = "fixed"; //$NON-NLS-1$

     private static final String ELT_FACETED_PROJECT = "faceted-project"; //$NON-NLS-1$

     /**

      * The .settings folder for Web Tools Project 1.x release.

      */

     private static final String DIR_WTP_SETTINGS = ".settings"; //$NON-NLS-1$

     /**

      * File name where Eclipse Project's Facet configuration will be stored.

      */

     private static final String FILE_FACET_CORE_XML = "org.eclipse.wst.common.project.facet.core.xml"; //$NON-NLS-1$

     /**

      * @see org.apache.maven.plugin.eclipse.writers.EclipseWriter#write()

      */

     public void write()

         throws MojoExecutionException

     {

         // create a .settings directory (if not existing)

         File settingsDir = new File( config.getEclipseProjectDirectory(), DIR_WTP_SETTINGS );

         settingsDir.mkdirs();

         FileWriter w;

         String packaging = config.getProject().getPackaging();

         // Write out facet core xml

         try

         {

             w = new FileWriter( new File( settingsDir, FILE_FACET_CORE_XML ) );

         }

         catch ( IOException ex )

         {

             throw new MojoExecutionException( Messages.getString( "EclipsePlugin.erroropeningfile" ), ex ); //$NON-NLS-1$

         }

         XMLWriter writer = new PrettyPrintXMLWriter( w );

         writeModuleTypeFacetCore( writer, packaging );

         IOUtil.close( w );

     }

     /**

      * Writes out the facet info for a faceted-project based on the packaging.

      * 

      * @param writer

      * @param packaging

      */

     private void writeModuleTypeFacetCore( XMLWriter writer, String packaging )

     {

         writer.startElement( ELT_FACETED_PROJECT );

         // common facet

         writer.startElement( ELT_FIXED );

         writer.addAttribute( ATTR_FACET, FACET_JST_JAVA );

         writer.endElement(); // element fixed

         if ( "war".equalsIgnoreCase( packaging ) ) //$NON-NLS-1$

         {

             writer.startElement( ELT_FIXED );

             writer.addAttribute( ATTR_FACET, FACET_JST_WEB );

             writer.endElement(); // fixed

             writer.startElement( ELT_INSTALLED );

             writer.addAttribute( ATTR_FACET, FACET_JST_WEB );

             writer.addAttribute( ATTR_VERSION, resolveServletVersion() );

             writer.endElement(); // installed

         }

         else if ( "ejb".equalsIgnoreCase( packaging ) ) //$NON-NLS-1$

         {

             writer.startElement( ELT_FIXED );

             writer.addAttribute( ATTR_FACET, FACET_JST_EJB );

             writer.endElement(); // fixed

             writer.startElement( ELT_INSTALLED );

             writer.addAttribute( ATTR_FACET, FACET_JST_EJB );

             writer.addAttribute( ATTR_VERSION, resolveEjbVersion() );

             writer.endElement(); // installed

         }

         else if ( "ear".equalsIgnoreCase( packaging ) ) //$NON-NLS-1$

         {

             writer.startElement( ELT_FIXED );

             writer.addAttribute( ATTR_FACET, FACET_JST_EAR );

             writer.endElement(); // fixed

             writer.startElement( ELT_INSTALLED );

             writer.addAttribute( ATTR_FACET, FACET_JST_EAR );

             writer.addAttribute( ATTR_VERSION, resolveJ2eeVersion() );

             writer.endElement(); // installed

         }

         else if ( "jar".equalsIgnoreCase( packaging ) ) //$NON-NLS-1$

         {

             writer.startElement( ELT_FIXED );

             writer.addAttribute( ATTR_FACET, FACET_JST_UTILITY );

             writer.endElement(); // fixed

             writer.startElement( ELT_INSTALLED );

             writer.addAttribute( ATTR_FACET, FACET_JST_UTILITY );

             writer.addAttribute( ATTR_VERSION, "1.0" ); //$NON-NLS-1$

             writer.endElement(); // installed

         }

         // common installed element

         writer.startElement( ELT_INSTALLED );

         writer.addAttribute( ATTR_FACET, FACET_JST_JAVA );

         writer.addAttribute( ATTR_VERSION, resolveJavaVersion() );

         writer.endElement(); // installed

         writer.endElement(); // faceted-project

     }

 }