package org.apache.maven.lifecycle;
   
   /*
    * 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.execution.MavenSession;
  import org.apache.maven.lifecycle.internal.LifecycleExecutionPlanCalculator;
  import org.apache.maven.lifecycle.internal.LifecycleStarter;
  import org.apache.maven.lifecycle.internal.LifecycleTaskSegmentCalculator;
  import org.apache.maven.lifecycle.internal.MojoDescriptorCreator;
  import org.apache.maven.lifecycle.internal.MojoExecutor;
  import org.apache.maven.lifecycle.internal.ProjectIndex;
  import org.apache.maven.lifecycle.internal.TaskSegment;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.plugin.InvalidPluginDescriptorException;
  import org.apache.maven.plugin.MojoExecution;
  import org.apache.maven.plugin.MojoNotFoundException;
  import org.apache.maven.plugin.PluginDescriptorParsingException;
  import org.apache.maven.plugin.PluginManagerException;
  import org.apache.maven.plugin.PluginNotFoundException;
  import org.apache.maven.plugin.PluginResolutionException;
  import org.apache.maven.plugin.descriptor.MojoDescriptor;
  import org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException;
  import org.apache.maven.plugin.version.PluginVersionResolutionException;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.annotations.Requirement;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  /**
   * A facade that provides lifecycle services to components outside maven core.
   *
   * Note that this component is not normally used from within core itself.
   *
   * @author Jason van Zyl
   * @author Benjamin Bentmann
   * @author Kristian Rosenvold
   */
  @Component( role = LifecycleExecutor.class )
  public class DefaultLifecycleExecutor
      implements LifecycleExecutor
  {
  
      @Requirement
      private LifeCyclePluginAnalyzer lifeCyclePluginAnalyzer;
  
      @Requirement
      private DefaultLifecycles defaultLifeCycles;
  
      @Requirement
      private LifecycleTaskSegmentCalculator lifecycleTaskSegmentCalculator;
  
      @Requirement
      private LifecycleExecutionPlanCalculator lifecycleExecutionPlanCalculator;
  
      @Requirement
      private MojoExecutor mojoExecutor;
  
      @Requirement
      private LifecycleStarter lifecycleStarter;
  
  
      public void execute( MavenSession session )
      {
          lifecycleStarter.execute( session );
      }
  
      @Requirement
      private MojoDescriptorCreator mojoDescriptorCreator;
  
      // These methods deal with construction intact Plugin object that look like they come from a standard
      // <plugin/> block in a Maven POM. We have to do some wiggling to pull the sources of information
      // together and this really shows the problem of constructing a sensible default configuration but
      // it's all encapsulated here so it appears normalized to the POM builder.
  
      // We are going to take the project packaging and find all plugin in the default lifecycle and create
      // fully populated Plugin objects, including executions with goals and default configuration taken
      // from the plugin.xml inside a plugin.
      //
     // TODO: This whole method could probably removed by injecting lifeCyclePluginAnalyzer straight into client site.
     // TODO: But for some reason the whole plexus appcontext refuses to start when I try this.
 
     public Set<Plugin> getPluginsBoundByDefaultToAllLifecycles( String packaging )
     {
         return lifeCyclePluginAnalyzer.getPluginsBoundByDefaultToAllLifecycles( packaging );
     }
 
     // USED BY MAVEN HELP PLUGIN
 
     @Deprecated
     public Map<String, Lifecycle> getPhaseToLifecycleMap()
     {
         return defaultLifeCycles.getPhaseToLifecycleMap();
     }
 
     // NOTE: Backward-compat with maven-help-plugin:2.1
 
     @SuppressWarnings( { "UnusedDeclaration" } )
     MojoDescriptor getMojoDescriptor( String task, MavenSession session, MavenProject project, String invokedVia,
                                       boolean canUsePrefix, boolean isOptionalMojo )
         throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
         MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
         PluginVersionResolutionException
     {
         return mojoDescriptorCreator.getMojoDescriptor( task, session, project );
     }
 
     // Used by m2eclipse
 
     @SuppressWarnings( { "UnusedDeclaration" } )
     public MavenExecutionPlan calculateExecutionPlan( MavenSession session, boolean setup, String... tasks )
         throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
         MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
         PluginManagerException, LifecyclePhaseNotFoundException, LifecycleNotFoundException,
         PluginVersionResolutionException
     {
         List<TaskSegment> taskSegments =
             lifecycleTaskSegmentCalculator.calculateTaskSegments( session, Arrays.asList( tasks ) );
 
         TaskSegment mergedSegment = new TaskSegment( false );
 
         for ( TaskSegment taskSegment : taskSegments )
         {
             mergedSegment.getTasks().addAll( taskSegment.getTasks() );
         }
 
         return lifecycleExecutionPlanCalculator.calculateExecutionPlan( session, session.getCurrentProject(),
                                                                         mergedSegment.getTasks(), setup );
     }
 
     public MavenExecutionPlan calculateExecutionPlan( MavenSession session, String... tasks )
         throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
         MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
         PluginManagerException, LifecyclePhaseNotFoundException, LifecycleNotFoundException,
         PluginVersionResolutionException
     {
         return calculateExecutionPlan( session, true, tasks );
     }
 
     // Site 3.x
     public void calculateForkedExecutions( MojoExecution mojoExecution, MavenSession session )
         throws MojoNotFoundException, PluginNotFoundException, PluginResolutionException,
         PluginDescriptorParsingException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
         LifecyclePhaseNotFoundException, LifecycleNotFoundException, PluginVersionResolutionException
     {
         lifecycleExecutionPlanCalculator.calculateForkedExecutions( mojoExecution, session );
     }
 
     // Site 3.x
     public List<MavenProject> executeForkedExecutions( MojoExecution mojoExecution, MavenSession session )
         throws LifecycleExecutionException
     {
         return mojoExecutor.executeForkedExecutions( mojoExecution, session,
                                                      new ProjectIndex( session.getProjects() ) );
     }
 
 }