package org.andromda.maven.plugin.site;
   
   import java.io.File;
   import org.apache.commons.lang.exception.ExceptionUtils;
   import org.apache.maven.plugin.MojoExecutionException;
   import org.apache.maven.plugin.MojoFailureException;
   import org.apache.maven.project.MavenProject;
   
   /**
   * Goal that unpacks the required AndroMDA site zip packages to suitable locations preparing
   * for deployment.
   *
   * @phase site
   * @goal unpack-documentation
   * @description Goal to unpack required site files prior to site deployment
   * @author vancek
   */
  public class UnpackDocumentationMojo
      extends AbstractSiteMojo
  {
      /**
       * Path to the JMI 1.4 API zip source
       *
       * @parameter expression="${basedir}/src/site/resources/resources/jmi-uml1.4.zip"
       */
      private File jmiApiSourcePath;
  
      /**
       * Path to the JMI 1.4 API destination extraction directory
       *
       * @parameter expression="${basedir}/../../target/site"
       */
      private File jmiApiOutputDirectory;
  
      /**
       * Path to the UmlDoc car-rental-sample zip source
       *
       * @parameter expression="${basedir}/src/site/resources/resources/car-rental-umldoc.zip"
       */
      private File umlDocCarRentalSampleSourcePath;
  
      /**
       * Path to the UmlDoc car-rental-sample extraction directory
       *
       * @parameter expression="${basedir}/../../target/site"
       */
      private File umlDocCarRentalSampleOutputDirectory;
  
      /**
       * The name of the project injected from pom.xml. Not used.
       *
       * @parameter default-value="${project.name}"
       */
      @SuppressWarnings("unused")
      private String projectName;
  
      /**
       * @parameter expression="${project}"
       * @required
       * @readonly
       */
      protected MavenProject project;
  
      /**
       * @see org.apache.maven.plugin.Mojo#execute()
       */
      public void execute()
          throws MojoExecutionException, MojoFailureException
      {
          this.getLog().info("-----------------------------------------------------------------------------");
          this.getLog().info("  A n d r o M D A   S i t e   D o c   U n p a c k");
          this.getLog().info("-----------------------------------------------------------------------------");
  
          this.unpackUmlDocCarRentalSample();
          this.unpackJmiApi();
  
          this.getLog().info("SITE DOCUMENTATION UNPACK SUCCESSFUL");
      }
  
      /**
       * Unpack the JMI 1.4 API
       *
       * @throws MojoExecutionException
       * @throws MojoFailureException
       */
      private void unpackJmiApi()
          throws MojoExecutionException, MojoFailureException
      {
          try
          {
              if (!this.jmiApiSourcePath.exists())
              {
                  throw new MojoExecutionException("JMI API source location is invalid");
              }
  
              this.unpack(
                      this.jmiApiSourcePath,
                      this.jmiApiOutputDirectory);
          }
         catch (final Throwable throwable)
         {
             if (throwable instanceof MojoExecutionException)
             {
                 throw (MojoExecutionException)throwable;
             }
             throw new MojoExecutionException("An error occurred unpacking JMI 1.4 API '" +
                 this.project.getArtifactId() + '\'',
                 ExceptionUtils.getRootCause(throwable));
         }
     }
 
     /**
      * Unpack the UmlDoc for the car-rental-sample
      *
      * @throws MojoExecutionException
      * @throws MojoFailureException
      */
     private void unpackUmlDocCarRentalSample()
         throws MojoExecutionException, MojoFailureException
     {
         try
         {
             if (!this.umlDocCarRentalSampleSourcePath.exists())
             {
                 throw new MojoExecutionException("UmlDoc car-rental-sample source location is invalid");
             }
 
             this.unpack(
                     this.umlDocCarRentalSampleSourcePath,
                     this.umlDocCarRentalSampleOutputDirectory);
         }
         catch (final Throwable throwable)
         {
             if (throwable instanceof MojoExecutionException)
             {
                 throw (MojoExecutionException)throwable;
             }
             throw new MojoExecutionException("An error occurred unpacking UmlDoc for car-rental-sample '" +
                 this.project.getArtifactId() + '\'',
                 ExceptionUtils.getRootCause(throwable));
         }
     }
 }