package org.apache.maven.plugins.repository;
   
   /*
    * 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.
   */
  
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.settings.Settings;
  import org.codehaus.plexus.archiver.jar.JarArchiver;
  import org.codehaus.plexus.components.interactivity.InputHandler;
  import org.codehaus.plexus.util.StringUtils;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.List;
  
  /**
   * Goal which creates an upload bundle for a project built with Maven.
   *
   * @goal bundle-create
   * @execute phase="package"
   * @since 2.0
   */
  public class BundleCreateMojo
      extends AbstractMojo
  {
      public static final String POM = "pom.xml";
  
      /**
       * Output directory.
       *
       * @parameter default-value="${project.build.directory}"
       * @readonly
       */
      private File outputDirectory;
  
      /**
       * The current Maven project.
       *
       * @parameter default-value="${project}"
       * @readonly
       */
      private MavenProject project;
      
      /**
       * Disable validations to make sure bundle supports project materialization.
       * <br/>
       * <b>WARNING: This means your project will be MUCH harder to use.</b>
       * @parameter expression="${bundle.disableMaterialization}" default-value="false"
       */
      private boolean disableMaterialization;
  
      /**
       * Jar archiver.
       *
       * @component role="org.codehaus.plexus.archiver.Archiver" roleHint="jar"
       */
      private JarArchiver jarArchiver;
  
      /**
       * @component
       */
      protected InputHandler inputHandler;
      
      /**
       * @parameter default-value="${settings}"
       * @readonly
       */
      protected Settings settings;
  
      public void execute()
          throws MojoExecutionException
      {
          // ----------------------------------------------------------------------
          // Check the mandatory elements of the POM
          //
          // modelVersion
          // groupId
          // artifactId
          // packaging
          // name
          // version
         // description
         // url
         // licenses
         // dependencies
         // ----------------------------------------------------------------------
 
         // We don't have to validate modelVersion, groupId, artifactId or version here,
         // it is done by DefaultMaven and maven-artifact
 
         validate( project.getName(), "project.name" );
 
         validate( project.getDescription(), "project.description" );
 
         validate( project.getUrl(), "project.url" );
 
         if ( project.getLicenses().isEmpty() )
         {
             throw new MojoExecutionException( "At least one license must be defined." );
         }
         
         if ( disableMaterialization )
         {
             getLog().warn( "Validations to confirm support for project materialization have been DISABLED." +
                 "\n\nYour project may not provide the POM elements necessary to allow users to retrieve sources on-demand," +
                 "\nor to easily checkout your project in an IDE. THIS CAN SERIOUSLY INCONVENIENCE YOUR USERS." +
                 "\n\nContinue? [y/N]" );
             
             try
             {
                 if ( 'y' != inputHandler.readLine().toLowerCase().charAt( 0 ) )
                 {
                     disableMaterialization = false;
                 }
             }
             catch ( IOException e )
             {
                 getLog().debug( "Error reading confirmation: " + e.getMessage(), e );
             }
             
         }
         
         if ( !disableMaterialization )
         {
             if ( project.getScm() == null )
             {
                 throw new MojoExecutionException( "You must supply a valid <scm> section, with at least "
                     + "<url> (viewing URL) and <connection> (read-only tooling connection) specified." );
             }
             else
             {
                 validate( project.getScm().getUrl(), "project.scm.url" );
                 
                 validate( project.getScm().getConnection(), "project.scm.connection" );
             }
         }
 
         // ----------------------------------------------------------------------
         // Create the bundle archive
         // ----------------------------------------------------------------------
 
         File pom = project.getFile();
 
         final String finalName = project.getBuild().getFinalName();
 
         boolean batchMode = settings == null ? false : !settings.isInteractiveMode();
         List<File> files =
             BundleUtils.selectProjectFiles( outputDirectory, inputHandler, finalName, pom, getLog(), batchMode );
 
         File bundle = new File( outputDirectory, finalName + "-bundle.jar" );
 
         try
         {
             jarArchiver.addFile( pom, POM );
 
             boolean artifactChecks = !"pom".equals( project.getPackaging() );
             boolean sourcesFound = false;
             boolean javadocsFound = false;
             
             for ( File f : files )
             {
                 if ( artifactChecks && f.getName().endsWith( finalName + "-sources.jar" ) )
                 {
                     sourcesFound = true;
                 }
                 else if ( artifactChecks && f.getName().equals( finalName + "-javadoc.jar" ) )
                 {
                     javadocsFound = true;
                 }
                 
                 jarArchiver.addFile( f, f.getName() );
             }
             
             if ( artifactChecks && !sourcesFound )
             {
                 getLog().warn( "Sources not included in upload bundle. In order to add sources please run"
                     + " \"mvn source:jar javadoc:jar repository:bundle-create\"" );
             }
 
             if ( artifactChecks && !javadocsFound )
             {
                 getLog().warn( "Javadoc not included in upload bundle. In order to add javadocs please run"
                     + " \"mvn source:jar javadoc:jar repository:bundle-create\"" );
             }
 
             jarArchiver.setDestFile( bundle );
 
             jarArchiver.createArchive();
         }
         catch ( Exception e )
         {
             throw new MojoExecutionException( "Error creating upload bundle archive.", e );
         }
     }
 
     private void validate( String data, String expression )
         throws MojoExecutionException
     {
         if ( StringUtils.isEmpty( data ) )
         {
             throw new MojoExecutionException( expression + " must be present." );
         }
     }
 }