package org.apache.maven.lifecycle.internal.builder;
   
   /*
    * 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.execution.BuildFailure;
  import org.apache.maven.execution.ExecutionEvent;
  import org.apache.maven.execution.MavenExecutionRequest;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.lifecycle.LifecycleExecutionException;
  import org.apache.maven.lifecycle.LifecycleNotFoundException;
  import org.apache.maven.lifecycle.LifecyclePhaseNotFoundException;
  import org.apache.maven.lifecycle.MavenExecutionPlan;
  import org.apache.maven.lifecycle.internal.ExecutionEventCatapult;
  import org.apache.maven.lifecycle.internal.LifecycleDebugLogger;
  import org.apache.maven.lifecycle.internal.LifecycleExecutionPlanCalculator;
  import org.apache.maven.lifecycle.internal.ReactorContext;
  import org.apache.maven.lifecycle.internal.TaskSegment;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.plugin.InvalidPluginDescriptorException;
  import org.apache.maven.plugin.MojoNotFoundException;
  import org.apache.maven.plugin.PluginDescriptorParsingException;
  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.classworlds.realm.ClassRealm;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.annotations.Requirement;
  import org.codehaus.plexus.logging.Logger;
  
  import java.util.Set;
  
  /**
   * Common code that is shared by the LifecycleModuleBuilder and the LifeCycleWeaveBuilder
   *
   * @since 3.0
   * @author Kristian Rosenvold
   *         Builds one or more lifecycles for a full module
   *         NOTE: This class is not part of any public api and can be changed or deleted without prior notice.
   */
  @Component( role = BuilderCommon.class )
  public class BuilderCommon
  {
      @Requirement
      private LifecycleDebugLogger lifecycleDebugLogger;
  
      @Requirement
      private LifecycleExecutionPlanCalculator lifeCycleExecutionPlanCalculator;
  
      @Requirement
      private ExecutionEventCatapult eventCatapult;
  
      @Requirement
      private Logger logger;
  
  
      public BuilderCommon()
      {
      }
  
      public BuilderCommon( LifecycleDebugLogger lifecycleDebugLogger,
                            LifecycleExecutionPlanCalculator lifeCycleExecutionPlanCalculator, Logger logger )
      {
          this.lifecycleDebugLogger = lifecycleDebugLogger;
          this.lifeCycleExecutionPlanCalculator = lifeCycleExecutionPlanCalculator;
          this.logger = logger;
      }
  
      public MavenExecutionPlan resolveBuildPlan( MavenSession session, MavenProject project, TaskSegment taskSegment,
                                                  Set<Artifact> projectArtifacts )
          throws PluginNotFoundException, PluginResolutionException, LifecyclePhaseNotFoundException,
          PluginDescriptorParsingException, MojoNotFoundException, InvalidPluginDescriptorException,
          NoPluginFoundForPrefixException, LifecycleNotFoundException, PluginVersionResolutionException,
          LifecycleExecutionException
      {
          MavenExecutionPlan executionPlan =
              lifeCycleExecutionPlanCalculator.calculateExecutionPlan( session, project, taskSegment.getTasks() );
  
          lifecycleDebugLogger.debugProjectPlan( project, executionPlan );
 
         if ( session.getRequest().getDegreeOfConcurrency() > 1 && session.getProjects().size() > 1 )
         {
             final Set<Plugin> unsafePlugins = executionPlan.getNonThreadSafePlugins();
             if ( !unsafePlugins.isEmpty() )
             {
                 logger.warn( "*****************************************************************" );
                 logger.warn( "* Your build is requesting parallel execution, but project      *" );
                 logger.warn( "* contains the following plugin(s) that have goals not marked   *" );
                 logger.warn( "* as @threadSafe to support parallel building.                  *" );
                 logger.warn( "* While this /may/ work fine, please look for plugin updates    *" );
                 logger.warn( "* and/or request plugins be made thread-safe.                   *" );
                 logger.warn( "* If reporting an issue, report it against the plugin in        *" );
                 logger.warn( "* question, not against maven-core                              *" );
                 logger.warn( "*****************************************************************" );
                 if ( logger.isDebugEnabled() )
                 {
                     final Set<MojoDescriptor> unsafeGoals = executionPlan.getNonThreadSafeMojos();
                     logger.warn( "The following goals are not marked @threadSafe in " + project.getName() + ":" );
                     for ( MojoDescriptor unsafeGoal : unsafeGoals )
                     {
                         logger.warn( unsafeGoal.getId() );
                     }
                 }
                 else
                 {
                     logger.warn( "The following plugins are not marked @threadSafe in " + project.getName() + ":" );
                     for ( Plugin unsafePlugin : unsafePlugins )
                     {
                         logger.warn( unsafePlugin.getId() );
                     }
                     logger.warn( "Enable debug to see more precisely which goals are not marked @threadSafe." );
                 }
                 logger.warn( "*****************************************************************" );
             }
         }
 
         return executionPlan;
     }
 
     public void handleBuildError( final ReactorContext buildContext, final MavenSession rootSession,
                                   final MavenSession currentSession, final MavenProject mavenProject, Throwable t,
                                   final long buildStartTime )
     {
         // record the error and mark the project as failed
         long buildEndTime = System.currentTimeMillis();
         buildContext.getResult().addException( t );
         buildContext.getResult().addBuildSummary( new BuildFailure( mavenProject, buildEndTime - buildStartTime, t ) );
 
         // notify listeners about "soft" project build failures only
         if ( t instanceof Exception && !( t instanceof RuntimeException ) )
         {
             eventCatapult.fire( ExecutionEvent.Type.ProjectFailed, currentSession, null, (Exception) t );
         }
 
         // reactor failure modes
         if ( t instanceof RuntimeException || !( t instanceof Exception ) )
         {
             // fail fast on RuntimeExceptions, Errors and "other" Throwables
             // assume these are system errors and further build is meaningless
             buildContext.getReactorBuildStatus().halt();
         }
         else if ( MavenExecutionRequest.REACTOR_FAIL_NEVER.equals( rootSession.getReactorFailureBehavior() ) )
         {
             // continue the build
         }
         else if ( MavenExecutionRequest.REACTOR_FAIL_AT_END.equals( rootSession.getReactorFailureBehavior() ) )
         {
             // continue the build but ban all projects that depend on the failed one
             buildContext.getReactorBuildStatus().blackList( mavenProject );
         }
         else if ( MavenExecutionRequest.REACTOR_FAIL_FAST.equals( rootSession.getReactorFailureBehavior() ) )
         {
             buildContext.getReactorBuildStatus().halt();
         }
         else
         {
             logger.error( "invalid reactor failure behavior " + rootSession.getReactorFailureBehavior() );
             buildContext.getReactorBuildStatus().halt();
         }
     }
 
     public static void attachToThread( MavenProject currentProject )
     {
         ClassRealm projectRealm = currentProject.getClassRealm();
         if ( projectRealm != null )
         {
             Thread.currentThread().setContextClassLoader( projectRealm );
         }
     }
 
     // TODO I'm really wondering where this method belongs; smells like it should be on MavenProject, but for some
     // reason it isn't ? This localization is kind-of a code smell.
 
     public static String getKey( MavenProject project )
     {
         return project.getGroupId() + ':' + project.getArtifactId() + ':' + project.getVersion();
     }
 
 }