package org.andromda.maven.plugin.andromdapp;
   
   import java.net.URL;
   import java.net.URLClassLoader;
   import org.andromda.andromdapp.AndroMDApp;
   import org.apache.maven.plugin.MojoExecutionException;
   
   /**
    * Removes the an AndroMDApp generated application structure.
   *
   * @author Chad Brandon
   * @goal clean-structure
   * @requiresProject false
   */
  public class AndroMDAppCleanMojo
      extends AbstractAndroMDAppMojo
  {
      /**
       * @see org.apache.maven.plugin.Mojo#execute()
       */
      public void execute()
          throws MojoExecutionException
      {
          if (this.skipProcessing)
          {
              getLog().info("andromdapp:clean skipProcessing");
              return;
          }
          try
          {
              final AndroMDApp andromdapp = new AndroMDApp();
              final String configuration = this.getConfigurationContents();
              if (configuration != null)
              {
                  andromdapp.addConfiguration(this.getConfigurationContents());
              }
              andromdapp.clean();
          }
          catch (final NoClassDefFoundError ncdfe)
          {
              ClassLoader cl = this.getClass().getClassLoader();
              // Its a RealmClassLoader but its a private class and so can't reference grrr !!!
              // but it extends URLClassLoader
              System.err.println( "classloader:" + cl );
              if ( cl instanceof URLClassLoader ) {
                  URLClassLoader ucl = (URLClassLoader) cl;
                  URL [] urls = ucl.getURLs();
                  for (URL url : urls) {
                      System.err.println("cp:" + url);
                  }
                  try
                  {
                      ucl.close();
                  }
                  catch (Exception ex)
                  {
                      // Ignore
                  }
              }
              System.out.println( "Exception:" + ncdfe );
              ncdfe.printStackTrace(System.err);
              Throwable th = ncdfe.getCause();
              while ( th != null ) {
                  System.err.println( "================= cause =================");
                  th.printStackTrace(System.err);
                  th = th.getCause();
              }
          }
          catch (final Throwable throwable)
          {
              if (throwable instanceof MojoExecutionException)
              {
                  throw (MojoExecutionException)throwable;
              }
              throw new MojoExecutionException("An error occurred during application cleanup operation", throwable);
          }
      }
  }