package org.codehaus.mojo.webstart.dependency;
   
   /*
    * 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.artifact.Artifact;
  import org.apache.maven.shared.jarsigner.JarSignerUtil;
  import org.codehaus.mojo.webstart.dependency.task.JnlpDependencyTask;
  import org.codehaus.mojo.webstart.dependency.task.Pack200Task;
  import org.codehaus.mojo.webstart.dependency.task.SignTask;
  import org.codehaus.mojo.webstart.dependency.task.UnPack200Task;
  import org.codehaus.mojo.webstart.dependency.task.UnsignTask;
  import org.codehaus.mojo.webstart.dependency.task.UpdateManifestTask;
  import org.codehaus.plexus.PlexusConstants;
  import org.codehaus.plexus.PlexusContainer;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
  import org.codehaus.plexus.context.Context;
  import org.codehaus.plexus.context.ContextException;
  import org.codehaus.plexus.logging.AbstractLogEnabled;
  import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * To create some {@link JnlpDependencyRequest}.
   * Created on 1/4/14.
   *
   * @author Tony Chemit <chemit@codelutin.com>
   * @since 1.0-beta-5
   */
  @Component( role = JnlpDependencyRequestBuilder.class, instantiationStrategy = "per-lookup" )
  public class DefaultJnlpDependencyRequestBuilder
      extends AbstractLogEnabled
      implements JnlpDependencyRequestBuilder, Contextualizable
  {
  
      private PlexusContainer container;
  
      private JnlpDependencyGlobalConfig globalConfig;
  
      /**
       * {@inheritDoc}
       */
      public void init( JnlpDependencyGlobalConfig globalConfig )
      {
          if ( globalConfig == null )
          {
              throw new NullPointerException( "Can't use a null *globalConfig*" );
          }
          this.globalConfig = globalConfig;
      }
  
      /**
       * {@inheritDoc}
       */
      public JnlpDependencyRequests createRequests()
      {
          return new JnlpDependencyRequests( globalConfig );
      }
  
      /**
       * {@inheritDoc}
       */
      public JnlpDependencyRequest createRequest( Artifact artifact, boolean outputJarVersion, boolean useUniqueVersions )
      {
  
          if ( globalConfig == null )
          {
              throw new IllegalStateException( "No config found, use init method before creating a request" );
          }
  
          JnlpDependencyConfig config = createConfig( artifact, outputJarVersion, useUniqueVersions );
  
          JnlpDependencyTask[] tasks = createTasks( config );
  
          JnlpDependencyRequest request = new JnlpDependencyRequest( config, tasks );
          return request;
      }
  
      private JnlpDependencyConfig createConfig( Artifact artifact, boolean outputJarVersion, boolean useUniqueVersions )
     {
 
         String finalName = globalConfig.getDependencyFilenameStrategy().getDependencyFileBasename( artifact, false, false );
 
         return new JnlpDependencyConfig( globalConfig, artifact, finalName, outputJarVersion, useUniqueVersions );
     }
 
     private JnlpDependencyTask[] createTasks( JnlpDependencyConfig config )
     {
         List<JnlpDependencyTask> tasks = new ArrayList<JnlpDependencyTask>();
 
         boolean doPack200 = config.isPack200();
 
         if ( config.isSign() )
         {
 
             if ( config.isUnsignAlreadySignedJars() )
             {
 
                 boolean signed;
                 try
                 {
                     signed = JarSignerUtil.isArchiveSigned( config.getArtifact().getFile() );
                 }
                 catch ( IOException e )
                 {
                     throw new RuntimeException( "Could not check if jar is signed", e );
                 }
 
                 if ( signed && config.isCanUnsign() )
                 {
 
                     // unsign
                     registerTask( tasks, UnsignTask.ROLE_HINT, config );
                 }
             }
 
             if ( doPack200 )
             {
 
                 // http://java.sun.com/j2se/1.5.0/docs/guide/deployment/deployment-guide/pack200.html
                 // we need to pack then unpack the files before signing them
 
                 // pack200
                 registerTask( tasks, Pack200Task.ROLE_HINT, config );
 
                 // unpack200
                 registerTask( tasks, UnPack200Task.ROLE_HINT, config );
             }
 
             if ( config.isUpdateManifest() )
             {
                 // update manifest
                 registerTask( tasks, UpdateManifestTask.ROLE_HINT, config );
             }
 
             // sign jar
             registerTask( tasks, SignTask.ROLE_HINT, config );
         }
 
         if ( doPack200 )
         {
 
             // pack signed jar
             registerTask( tasks, Pack200Task.ROLE_HINT, config );
         }
 
         return tasks.toArray( new JnlpDependencyTask[tasks.size()] );
     }
 
     /**
      * {@inheritDoc}
      */
     public void contextualize( final Context context )
         throws ContextException
     {
         container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
     }
 
     protected void setContainer( final PlexusContainer container )
     {
         this.container = container;
     }
 
     protected <Task extends JnlpDependencyTask> Task registerTask( List<JnlpDependencyTask> tasks, String roleHint,
                                                                    JnlpDependencyConfig config )
     {
         try
         {
             // create task
             Task result = (Task) container.lookup( JnlpDependencyTask.ROLE, roleHint );
 
             // check configution
             result.check( config );
 
             // register task
             tasks.add( result );
 
             return result;
         }
         catch ( ComponentLookupException e )
         {
             throw new RuntimeException( "Could not find task with roleHint: " + roleHint, e );
         }
     }
 }