/*
    * 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.wtp;
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.OutputStreamWriter;
  import java.io.Writer;
  
  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.Messages;
  import org.apache.maven.plugin.ide.IdeUtils;
  import org.apache.maven.plugin.ide.JeeUtils;
  import org.codehaus.plexus.util.IOUtil;
  import org.codehaus.plexus.util.xml.PrettyPrintXMLWriter;
  import org.codehaus.plexus.util.xml.XMLWriter;
  
  /**
   * Writes eclipse .wtpmodules file.
   * 
   * @author <a href="mailto:fgiust@users.sourceforge.net">Fabrizio Giustina</a>
   * @version $Id: EclipseWtpmodulesWriter.java 1152335 2011-07-29 18:40:03Z rfscholte $
   */
  public class EclipseWtpmodulesWriter
      extends AbstractWtpResourceWriter
  {
  
      protected static final String FILE_DOT_WTPMODULES = ".wtpmodules"; //$NON-NLS-1$
  
      /**
       * @see org.apache.maven.plugin.eclipse.writers.EclipseWriter#write()
       */
      public void write()
          throws MojoExecutionException
      {
          Writer w;
  
          try
          {
              w =
                  new OutputStreamWriter( new FileOutputStream( new File( config.getEclipseProjectDirectory(),
                                                                          FILE_DOT_WTPMODULES ) ), "UTF-8" );
          }
          catch ( IOException ex )
          {
              throw new MojoExecutionException( Messages.getString( "EclipsePlugin.erroropeningfile" ), ex ); //$NON-NLS-1$
          }
  
          XMLWriter writer = new PrettyPrintXMLWriter( w, "UTF-8", null );
          writer.startElement( ELT_PROJECT_MODULES );
          writer.addAttribute( ATTR_MODULE_ID, "moduleCoreId" ); //$NON-NLS-1$
  
          writer.startElement( ELT_WB_MODULE );
          // we should use the configured eclipse project name.
          writer.addAttribute( ATTR_DEPLOY_NAME, this.config.getEclipseProjectName() );
  
          writer.startElement( ELT_MODULE_TYPE );
          writeModuleTypeAccordingToPackaging( config.getProject(), writer, config.getBuildOutputDirectory() );
          writer.endElement(); // module-type
  
          // source and resource paths.
          // deploy-path is "/" for utility and ejb projects, "/WEB-INF/classes" for webapps
  
          String target = "/"; //$NON-NLS-1$
          if ( Constants.PROJECT_PACKAGING_WAR.equals( config.getPackaging() ) ) //$NON-NLS-1$
          {
              String warSourceDirectory =
                  IdeUtils.getPluginSetting( config.getProject(), JeeUtils.ARTIFACT_MAVEN_WAR_PLUGIN,
                                             "warSourceDirectory", //$NON-NLS-1$
                                             config.getProject().getBasedir() + "/src/main/webapp" ); //$NON-NLS-1$
  
              writer.startElement( ELT_WB_RESOURCE );
              writer.addAttribute( ATTR_DEPLOY_PATH, "/" ); //$NON-NLS-1$
              writer.addAttribute( ATTR_SOURCE_PATH, "/" //$NON-NLS-1$
                  + IdeUtils.toRelativeAndFixSeparator( config.getEclipseProjectDirectory(),
                                                        new File( warSourceDirectory ), false ) );
              writer.endElement();
  
              writeWarOrEarResources( writer, config.getProject(), config.getLocalRepository() );
  
             target = "/WEB-INF/classes"; //$NON-NLS-1$
         }
         else if ( Constants.PROJECT_PACKAGING_EAR.equals( config.getPackaging() ) ) //$NON-NLS-1$
         {
             writer.startElement( ELT_WB_RESOURCE );
             writer.addAttribute( ATTR_DEPLOY_PATH, "/" ); //$NON-NLS-1$
             writer.addAttribute( ATTR_SOURCE_PATH, "/" ); //$NON-NLS-1$
             writer.endElement();
 
             writeWarOrEarResources( writer, config.getProject(), config.getLocalRepository() );
         }
 
         for ( int j = 0; j < config.getSourceDirs().length; j++ )
         {
             EclipseSourceDir dir = config.getSourceDirs()[j];
             // test src/resources are not added to wtpmodules
             if ( !dir.isTest() )
             {
                 // <wb-resource deploy-path="/" source-path="/src/java" />
                 writer.startElement( ELT_WB_RESOURCE );
                 writer.addAttribute( ATTR_DEPLOY_PATH, target );
                 writer.addAttribute( ATTR_SOURCE_PATH, dir.getPath() );
                 writer.endElement();
             }
         }
 
         writer.endElement(); // wb-module
         writer.endElement(); // project-modules
 
         IOUtil.close( w );
     }
 
 }