/*
    * 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.
   */
  package org.apache.maven.plugins.site.render;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.apache.maven.archiver.MavenArchiveConfiguration;
  import org.apache.maven.archiver.MavenArchiver;
  import org.apache.maven.artifact.DependencyResolutionRequiredException;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.Component;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.plugins.annotations.ResolutionScope;
  import org.apache.maven.project.MavenProjectHelper;
  import org.codehaus.plexus.archiver.Archiver;
  import org.codehaus.plexus.archiver.ArchiverException;
  import org.codehaus.plexus.archiver.jar.JarArchiver;
  import org.codehaus.plexus.archiver.jar.ManifestException;
  
  /**
   * Bundles the site output into a JAR so that it can be deployed to a repository.
   *
   * @author <a href="mailto:mbeerman@yahoo.com">Matthew Beermann</a>
   *
   * @since 2.0-beta-6
   */
  // MSITE-665: requiresDependencyResolution workaround for MPLUGIN-253
  @Mojo(
          name = "jar",
          defaultPhase = LifecyclePhase.PACKAGE,
          requiresDependencyResolution = ResolutionScope.TEST,
          requiresReports = true,
          threadSafe = true)
  public class SiteJarMojo extends SiteMojo {
      private static final String[] DEFAULT_ARCHIVE_EXCLUDES = new String[] {};
  
      private static final String[] DEFAULT_ARCHIVE_INCLUDES = new String[] {"**/**"};
  
      /**
       * Specifies the directory where the generated jar file will be put.
       */
      @Parameter(property = "project.build.directory", required = true)
      private String jarOutputDirectory;
  
      /**
       * Specifies the filename that will be used for the generated jar file.
       * Please note that "-site" will be appended to the file name.
       */
      @Parameter(property = "project.build.finalName", required = true)
      private String finalName;
  
      /**
       * Used for attaching the artifact in the project.
       */
      @Component
      private MavenProjectHelper projectHelper;
  
      /**
       * Specifies whether to attach the generated artifact to the project.
       */
      @Parameter(property = "site.attach", defaultValue = "true")
      private boolean attach;
  
      /**
       * The Jar archiver.
       *
       * @since 3.1
       */
      @Component(role = Archiver.class, hint = "jar")
      private JarArchiver jarArchiver;
  
      /**
       * The archive configuration to use.
       * See <a href="http://maven.apache.org/shared/maven-archiver/index.html">Maven Archiver Reference</a>.
       *
       * @since 3.1
       */
      @Parameter
      private MavenArchiveConfiguration archive = new MavenArchiveConfiguration();
 
     /**
      * List of files to include. Specified as file set patterns which are relative to the input directory whose contents
      * is being packaged into the JAR.
      *
      * @since 3.1
      */
     @Parameter
     private String[] archiveIncludes;
 
     /**
      * List of files to exclude. Specified as file set patterns which are relative to the input directory whose contents
      * is being packaged into the JAR.
      *
      * @since 3.1
      */
     @Parameter
     private String[] archiveExcludes;
 
     /**
      * @see org.apache.maven.plugin.Mojo#execute()
      */
     public void execute() throws MojoExecutionException, MojoFailureException {
         if (skip) {
             getLog().info("maven.site.skip = true: Skipping jar generation");
             return;
         }
 
         super.execute();
 
         try {
             File outputFile =
                     createArchive(outputDirectory, finalName + "-" + getClassifier() + "." + getArtifactType());
 
             if (attach) {
                 projectHelper.attachArtifact(project, getArtifactType(), getClassifier(), outputFile);
             } else {
                 getLog().info("NOT adding site jar to the list of attached artifacts.");
             }
         } catch (ArchiverException | IOException | ManifestException | DependencyResolutionRequiredException e) {
             throw new MojoExecutionException("Error while creating archive", e);
         }
     }
 
     protected String getArtifactType() {
         return "jar";
     }
 
     protected String getClassifier() {
         return "site";
     }
 
     /**
      * Method that creates the jar file.
      *
      * @param siteDirectory the directory where the site files are located
      * @param jarFilename   the filename of the created jar file
      * @return a File object that contains the created jar file
      * @throws ArchiverException
      * @throws IOException
      * @throws ManifestException
      * @throws DependencyResolutionRequiredException
      */
     private File createArchive(File siteDirectory, String jarFilename)
             throws ArchiverException, IOException, ManifestException, DependencyResolutionRequiredException {
         File siteJar = new File(jarOutputDirectory, jarFilename);
 
         MavenArchiver archiver = new MavenArchiver();
         archiver.setCreatedBy("Maven Site Plugin", "org.apache.maven.plugins", "maven-site-plugin");
 
         archiver.setArchiver(this.jarArchiver);
 
         archiver.setOutputFile(siteJar);
 
         // configure for Reproducible Builds based on outputTimestamp value
         archiver.configureReproducibleBuild(outputTimestamp);
 
         if (!siteDirectory.isDirectory()) {
             getLog().warn("JAR will be empty - no content was marked for inclusion!");
         } else {
             archiver.getArchiver().addDirectory(siteDirectory, getArchiveIncludes(), getArchiveExcludes());
         }
 
         archiver.createArchive(getSession(), getProject(), archive);
 
         return siteJar;
     }
 
     private String[] getArchiveIncludes() {
         if (this.archiveIncludes != null && this.archiveIncludes.length > 0) {
             return this.archiveIncludes;
         }
 
         return DEFAULT_ARCHIVE_INCLUDES;
     }
 
     private String[] getArchiveExcludes() {
         if (this.archiveExcludes != null && this.archiveExcludes.length > 0) {
             return this.archiveExcludes;
         }
         return DEFAULT_ARCHIVE_EXCLUDES;
     }
 }