package org.apache.maven.plugin.eclipse.writers.myeclipse;
   
   import java.io.File;
   import java.io.FileWriter;
   import java.io.IOException;
   import java.io.PrintWriter;
   import java.util.Map;
   
   import org.apache.maven.plugin.MojoExecutionException;
  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;
  
  /**
   * Writer for MyEclipse Hibernate Capability
   * 
   * @author <a href="mailto:olivier.jacob@gmail.com">Olivier Jacob</a>
   */
  public class MyEclipseHibernateWriter
      extends AbstractEclipseWriter
  {
  
      private static final String MYECLIPSE_HIBERNATE_DATA_FILE = ".myhibernatedata";
  
      private static final String MYECLIPSE_HB_GEN_COMP_ID = "genBasicCompId";
  
      private static final String MYECLIPSE_HB_SESSION_FACTORY_NAME = "sessionFactoryName";
  
      private static final String MYECLIPSE_HB_PROFILE = "profile";
  
      private static final String MYECLIPSE_HB_DAO_SF_ID = "daoSFId";
  
      private static final String MYECLIPSE_HB_VERSION = "version";
  
      private static final String MYECLIPSE_HB_JNDI_PATH = "jndiPath";
  
      private static final String MYECLIPSE_HB_DETECT_M2M = "detectM2M";
  
      private static final String MYECLIPSE_HB_RE_STRATEGY_CLASS = "reStrategyClass";
  
      private static final String MYECLIPSE_HB_SPRING_DAO_FILE = "springDaoFile";
  
      private static final String MYECLIPSE_HB_USE_JAVA_TYPES = "useJavaTypes";
  
      private static final String MYECLIPSE_HB_KEY_GENERATOR = "keyGenerator";
  
      private static final String MYECLIPSE_HB_LIB_INSTALL_FOLDER = "libInstallFolder";
  
      private static final String MYECLIPSE_HB_ADD_LIBS_TO_PROJECT = "addLibs2Project";
  
      private static final String MYECLIPSE_HB_GEN_VERSION_TAG = "genVersionTag";
  
      private static final String MYECLIPSE_HB_SESSION_FACTORY_ID = "sessionFactoryId";
  
      private static final String MYECLIPSE_HB_BASE_PERSISTENT_CLASS = "basePersistenceClass";
  
      private static final String MYECLIPSE_HB_RE_SETTINGS_FILE = "reSettingsFile";
  
      private static final String MYECLIPSE_HB_CONFIG_FILE = "configFile";
  
      private static final String MYECLIPSE_HB_CREATE_CONFIG_FILE = "createConfigFile";
  
      private static final String MYECLIPSE_HB_ADD_LIBS_TO_CLASSPATH = "addLibs2Classpath";
  
      private static final String MYECLIPSE_HB_BASE_DAO_CLASS = "baseDaoClass";
  
      /**
       * Relative path to the Hibernate configuration file to use in MyEclipse
       */
      private Map hibernateConfig;
  
      /**
       * Constructor
       * 
       * @param hibernateConfig path to the configuration file to use
       */
      public MyEclipseHibernateWriter( Map hibernateConfig )
      {
          this.hibernateConfig = hibernateConfig;
      }
  
      /**
       * Write MyEclipse Hibernate configuration
       * 
       * @throws MojoExecutionException if an error occurs
       */
      public void write()
          throws MojoExecutionException
      {
          FileWriter w;
  
          try
          {
              w = new FileWriter( new File( config.getEclipseProjectDirectory(), MYECLIPSE_HIBERNATE_DATA_FILE ) );
          }
          catch ( IOException ex )
          {
              throw new MojoExecutionException( Messages.getString( "EclipsePlugin.erroropeningfile" ), ex ); //$NON-NLS-1$
         }
 
         PrintWriter pw = new PrintWriter( w );
 
         pw.println( "# Generated by Maven" );
         addProperty( pw, MYECLIPSE_HB_GEN_COMP_ID, "false" );
         addProperty( pw, MYECLIPSE_HB_SESSION_FACTORY_NAME, null );
         addProperty( pw, MYECLIPSE_HB_PROFILE, null );
         addProperty( pw, MYECLIPSE_HB_DAO_SF_ID, null );
         addProperty( pw, MYECLIPSE_HB_VERSION, getHibernateVersion() );
         addProperty( pw, MYECLIPSE_HB_JNDI_PATH, null );
         addProperty( pw, MYECLIPSE_HB_DETECT_M2M, "false" );
         addProperty( pw, MYECLIPSE_HB_RE_STRATEGY_CLASS, null );
         addProperty( pw, MYECLIPSE_HB_SPRING_DAO_FILE, null );
         addProperty( pw, MYECLIPSE_HB_USE_JAVA_TYPES, "true" );
         addProperty( pw, MYECLIPSE_HB_KEY_GENERATOR, null );
         addProperty( pw, MYECLIPSE_HB_LIB_INSTALL_FOLDER, null );
         addProperty( pw, MYECLIPSE_HB_ADD_LIBS_TO_PROJECT, "false" );
         addProperty( pw, MYECLIPSE_HB_GEN_VERSION_TAG, "false" );
         addProperty( pw, MYECLIPSE_HB_SESSION_FACTORY_ID, (String) hibernateConfig.get( "session-factory-id" ) );
         addProperty( pw, MYECLIPSE_HB_BASE_PERSISTENT_CLASS, null );
         addProperty( pw, MYECLIPSE_HB_RE_SETTINGS_FILE, null );
         addProperty( pw, MYECLIPSE_HB_CONFIG_FILE,
                      makePathToHibernateConfigFile( (String) hibernateConfig.get( "config-file" ) ) );
         addProperty( pw, MYECLIPSE_HB_CREATE_CONFIG_FILE, "false" );
         addProperty( pw, MYECLIPSE_HB_ADD_LIBS_TO_CLASSPATH, "false" );
         addProperty( pw, MYECLIPSE_HB_BASE_DAO_CLASS, null );
 
         IOUtil.close( w );
     }
 
     /**
      * Writes a configuration property to the PrintWriter given in parameter
      * 
      * @param pw the PrintWriter to write to
      * @param propName the property name
      * @param propValue the property value (writes empty String if null)
      */
     private void addProperty( PrintWriter pw, String propName, String propValue )
     {
         StringBuffer sb = new StringBuffer( 64 );
 
         sb.append( propName ).append( "=" );
 
         if ( propValue != null )
         {
             sb.append( propValue );
         }
 
         pw.println( sb.toString() );
     }
 
     /**
      * Find Hibernate version in project dependencies
      * 
      * @return the version of the hibernate artifact if found in the dependencies or 3.2 (default value)
      */
     private String getHibernateVersion()
     {
         String version =
             IdeUtils.getArtifactVersion( new String[] { "hibernate" }, config.getProject().getDependencies(), 3 );
 
         return version != null ? version : "3.2";
     }
 
     /**
      * Prepend the project artifactId to the path given in the plugin configuration
      * 
      * @return the path to the file relative to the root of the Eclipse Workspace
      */
     private String makePathToHibernateConfigFile( String configFile )
     {
         StringBuffer sb = new StringBuffer( 64 );
 
         sb.append( "/" ).append( config.getProject().getArtifactId() ).append( "/" ).append( configFile );
 
         return sb.toString();
     }
 }