package org.apache.maven.plugin.eclipse.writers.myeclipse;
   
   /*
    * 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.io.FileWriter;
  import java.io.IOException;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.eclipse.Constants;
  import org.apache.maven.plugin.eclipse.Messages;
  import org.apache.maven.plugin.eclipse.writers.AbstractEclipseWriter;
  import org.apache.maven.plugin.ide.IdeUtils;
  import org.codehaus.plexus.util.IOUtil;
  import org.codehaus.plexus.util.xml.PrettyPrintXMLWriter;
  import org.codehaus.plexus.util.xml.XMLWriter;
  
  /**
   * MyEclipse .mystrutsdata configuration file writer
   * 
   * @author Olivier Jacob
   */
  public class MyEclipseStrutsDataWriter
      extends AbstractEclipseWriter
  {
      private static final String MYECLIPSE_MYSTRUTSDATA_FILENAME = ".mystrutsdata";
  
      private static final String MYECLIPSE_STRUTS_PROPERTIES = "MyEclipseStrutsProperties";
  
      private static final String MYECLIPSE_STRUTS_VERSION = "strutsVersion";
  
      private static final String MYECLIPSE_STRUTS_BASE_PACKAGE = "basePackage";
  
      private static final String MYECLIPSE_STRUTS_PATTERN = "strutsPattern";
  
      private static final String MYECLIPSE_STRUTS_SERVLET_NAME = "servletName";
  
      private static final String MYECLIPSE_STRUTS_DEFAULT_PATTERN = "*.do";
  
      private static final String MYECLIPSE_STRUTS_SERVLET_DEFAULT_NAME = "action";
  
      private static Map strutsPatterns;
  
      private Map strutsProps;
  
      /**
       * Receive struts properties map from plugin
       * 
       * @param strutsProps
       * @see org.apache.maven.plugin.eclipse.MyEclipsePlugin#struts
       */
      public MyEclipseStrutsDataWriter( Map strutsProps )
      {
          this.strutsProps = strutsProps;
  
          strutsPatterns = new HashMap();
          strutsPatterns.put( "*.do", "0" );
          strutsPatterns.put( "/do/*", "1" );
      }
  
      /**
       * Write MyEclipse .mystrutsdata configuration file
       * 
       * @throws MojoExecutionException
       */
      public void write()
          throws MojoExecutionException
      {
          String packaging = config.getProject().getPackaging();
  
          if ( Constants.PROJECT_PACKAGING_WAR.equals( packaging ) )
          {
              FileWriter w;
              try
              {
                  w = new FileWriter( new File( config.getEclipseProjectDirectory(), MYECLIPSE_MYSTRUTSDATA_FILENAME ) );
              }
              catch ( IOException ex )
              {
                 throw new MojoExecutionException( Messages.getString( "EclipsePlugin.erroropeningfile" ), ex ); //$NON-NLS-1$
             }
 
             XMLWriter writer = new PrettyPrintXMLWriter( w, "UTF-8", null );
 
             writer.startElement( MYECLIPSE_STRUTS_PROPERTIES );
 
             writer.startElement( MYECLIPSE_STRUTS_VERSION );
             writer.writeText( getStrutsVersion() );
             writer.endElement();
 
             writer.startElement( MYECLIPSE_STRUTS_BASE_PACKAGE );
             writer.writeText( getBasePackage() );
             writer.endElement();
 
             writer.startElement( MYECLIPSE_STRUTS_PATTERN );
             writer.writeText( getStrutsPattern() );
             writer.endElement();
 
             writer.startElement( MYECLIPSE_STRUTS_SERVLET_NAME );
             writer.writeText( getStrutsServletName() );
             writer.endElement();
 
             // Close <MyEclipseStrutsProperties>
             writer.endElement();
 
             IOUtil.close( w );
         }
     }
 
     /**
      * Retrieve Struts version from plugin configuration or if not specified from project dependencies. If none is
      * specified, use 1.2.9 as default
      * 
      * @return my eclipse struts version code
      */
     private String getStrutsVersion()
     {
         String version;
 
         if ( strutsProps != null && strutsProps.get( "version" ) != null )
         {
             version = (String) strutsProps.get( "version" );
         }
         else
         {
             version =
                 IdeUtils.getArtifactVersion( new String[] { "struts", "struts-core" },
                                              config.getProject().getDependencies(), 5 );
 
             // Newest version supported by MyEclipse is Struts 1.2.x
             if ( version == null )
             {
                 version = "1.2.9";
             }
         }
 
         int firstDotIndex = version.indexOf( '.' );
         int secondDotIndex = version.indexOf( '.', firstDotIndex + 1 );
         String majorVersion = version.substring( firstDotIndex + 1, secondDotIndex );
 
         int v = Integer.parseInt( majorVersion );
 
         return v > 2 ? "2" : majorVersion;
     }
 
     /**
      * Retrieve struts actions base package name from plugin configuration or use project groupId if not set
      * 
      * @return String
      */
     private String getBasePackage()
     {
         if ( strutsProps != null && strutsProps.get( "base-package" ) != null )
         {
             return (String) strutsProps.get( "base-package" );
         }
         return config.getProject().getGroupId();
     }
 
     /**
      * Retrieve Struts servlet url-pattern from plugin configuration and convert it to the code MyEclipse uses. If not
      * set, use "*.do" as default
      * 
      * @return String
      */
     private String getStrutsPattern()
     {
         if ( strutsProps != null && strutsProps.get( "pattern" ) != null )
         {
             String pattern = (String) strutsPatterns.get( strutsProps.get( "pattern" ) );
             return pattern != null ? pattern : (String) strutsPatterns.get( MYECLIPSE_STRUTS_DEFAULT_PATTERN );
         }
         return (String) strutsPatterns.get( MYECLIPSE_STRUTS_DEFAULT_PATTERN );
     }
 
     /**
      * Retrieve Struts servlet name from plugin configuration. Use "action" as default
      * 
      * @return
      */
     private String getStrutsServletName()
     {
         if ( strutsProps != null && strutsProps.get( "servlet-name" ) != null )
         {
             return (String) strutsProps.get( "servlet-name" );
         }
         return MYECLIPSE_STRUTS_SERVLET_DEFAULT_NAME;
     }
 }