/*
    * Copyright 2007-2013 smartics, Kronseder & Reiner GmbH
    *
    * Licensed 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 de.smartics.maven.exceptions;
  
  import java.io.BufferedOutputStream;
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.util.Properties;
  
  import org.apache.commons.io.IOUtils;
  import org.apache.maven.archiver.MavenArchiveConfiguration;
  import org.apache.maven.archiver.MavenArchiver;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.project.DefaultMavenProjectHelper;
  import org.apache.maven.project.MavenProjectHelper;
  import org.codehaus.plexus.archiver.jar.JarArchiver;
  
  import de.smartics.maven.io.MojoIoUtils;
  
  /**
   * Exports the SDoc documents.
   *
   * @goal export
   * @phase package
   * @requiresProject
   * @description XML export of project error codes.
   */
  public class ExportSdocCodeMojo extends AbstractSdocCodeMojo // NOPMD
  {
    // ********************************* Fields *********************************
  
    // --- constants ------------------------------------------------------------
  
    // --- members --------------------------------------------------------------
  
    // ... Mojo infrastructure ..................................................
  
    /**
     * The client Jar archiver.
     *
     * @component role="org.codehaus.plexus.archiver.Archiver" roleHint="jar"
     */
    private JarArchiver sdocJarArchiver;
  
    /**
     * The archive configuration to use. See <a
     * href="http://maven.apache.org/shared/maven-archiver/index.html">Maven
     * Archiver Reference</a>.
     *
     * @parameter
     */
    private final MavenArchiveConfiguration archive =
        new MavenArchiveConfiguration();
  
  
    /**
     * Specifies whether to attach the generated artifact to the project helper.
     *
     * @parameter expression="${attach}" default-value="true"
     * @since 1.0
     */
    private boolean attach;
  
    /**
     * The classifier to use to generate the attached artifact.
     *
     * @parameter default-value="sdoc_appcode"
     * @since 1.0
     */
    private String classifier;
  
    // ****************************** Initializer *******************************
  
    // ****************************** Constructors ******************************
  
    // ****************************** Inner Classes *****************************
  
    // ********************************* Methods ********************************
  
    // --- init -----------------------------------------------------------------
  
    // --- get&set --------------------------------------------------------------
  
   // --- business -------------------------------------------------------------
 
 
   @Override
   protected void handleGeneratedDocuments() throws MojoExecutionException,
     MojoFailureException
   {
     addMetaData();
     attachArtifact();
   }
 
   private void addMetaData() throws MojoExecutionException
   {
     final File metaInfDir = new File(output, "META-INF");
     MojoIoUtils.provideMojoDirectory(metaInfDir);
 
     final Properties properties = new Properties();
     properties.setProperty("res.type", "instances");
     properties.setProperty("res.export.groupId", project.getGroupId());
     properties.setProperty("res.export.artifactId", project.getArtifactId());
     properties.setProperty("res.export.version", project.getVersion());
     properties.setProperty("res.namespace",
         "http://www.smartics.de/project/process/implementation/appcode");
     properties.setProperty("res.instances", "process/implementation/appcode");
 
     final File propertiesFile =
         new File(metaInfDir, "projectdoc-resource.properties");
     OutputStream out = null;
     try
     {
       out = new BufferedOutputStream(new FileOutputStream(propertiesFile));
       properties.store(out,
           "Export of document instances for projectdoc enabled projects.");
     }
     catch (final IOException e)
     {
       throw new MojoExecutionException(
           "Cannot create properties file for sdoc export.", e);
     }
     finally
     {
       IOUtils.closeQuietly(out);
     }
 
   }
 
   private void attachArtifact() throws MojoExecutionException
   {
     final String finalName =
         project.getBuild().getFinalName() + '-' + classifier + ".jar";
     final File sdocJarFile =
         new File(project.getBuild().getDirectory(), finalName);
     final MavenProjectHelper helper = new DefaultMavenProjectHelper();
     final MavenArchiver clientArchiver = new MavenArchiver();
     clientArchiver.setArchiver(sdocJarArchiver);
     clientArchiver.setOutputFile(sdocJarFile);
 
     try
     {
       clientArchiver.getArchiver().addDirectory(output);
       clientArchiver.createArchive(project, archive);
       if (this.attach)
       {
         helper.attachArtifact(project, sdocJarFile, classifier);
       }
     }
     catch (final Exception e)
     {
       throw new MojoExecutionException(
           "There was a problem creating the sdoc archive: " + e.getMessage(), e);
     }
   }
 
   // --- object basics --------------------------------------------------------
 
 }