package org.apache.maven.reporting.exec;
   
   /*
    * 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 java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.util.List;
  
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.plugin.InvalidPluginDescriptorException;
  import org.apache.maven.plugin.MavenPluginManager;
  import org.apache.maven.plugin.PluginContainerException;
  import org.apache.maven.plugin.PluginDescriptorParsingException;
  import org.apache.maven.plugin.PluginResolutionException;
  import org.apache.maven.plugin.descriptor.PluginDescriptor;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.annotations.Requirement;
  import org.codehaus.plexus.logging.Logger;
  
  @Component( role = MavenPluginManagerHelper.class )
  public class DefaultMavenPluginManagerHelper
      implements MavenPluginManagerHelper
  {
      @Requirement
      private Logger logger;
  
      @Requirement
      protected MavenPluginManager mavenPluginManager;
  
      private Boolean isEclipseAether;
  
      private Method setupPluginRealm;
  
      private Method getPluginDescriptor;
  
      private Method getRepositorySession;
  
      public DefaultMavenPluginManagerHelper()
      {
          try
          {
              for ( Method m : MavenPluginManager.class.getMethods() )
              {
                  if ( "setupPluginRealm".equals( m.getName() ) )
                  {
                      setupPluginRealm = m;
                  }
                  else if ( "getPluginDescriptor".equals( m.getName() ) )
                  {
                      getPluginDescriptor = m;
                  }
              }
          }
          catch ( SecurityException e )
          {
              logger.warn( "unable to find MavenPluginManager.setupPluginRealm() method", e );
          }
  
          try
          {
              for ( Method m : MavenSession.class.getMethods() )
              {
                  if ( "getRepositorySession".equals( m.getName() ) )
                  {
                      getRepositorySession = m;
                      break;
                  }
              }
          }
          catch ( SecurityException e )
          {
              logger.warn( "unable to find MavenSession.getRepositorySession() method", e );
          }
      }
  
      private boolean isEclipseAether()
      {
          if ( isEclipseAether == null )
          {
              try
              {
                 Thread.currentThread().getContextClassLoader().loadClass( "org.sonatype.aether.graph.DependencyFilter" );
                 isEclipseAether = false;
             }
             catch ( ClassNotFoundException e )
             {
                 isEclipseAether = true;
             }
         }
 
         return isEclipseAether.booleanValue();
     }
 
     private Object createExclusionsDependencyFilter( List<String> artifactIdsList )
     {
         if ( isEclipseAether() )
         {
             return new org.eclipse.aether.util.filter.ExclusionsDependencyFilter( artifactIdsList );
         }
         else
         {
             return new org.sonatype.aether.util.filter.ExclusionsDependencyFilter( artifactIdsList );
         }
     }
 
     public PluginDescriptor getPluginDescriptor( Plugin plugin, MavenSession session )
         throws PluginResolutionException, PluginDescriptorParsingException, InvalidPluginDescriptorException
     {
         try
         {
             Object repositorySession = getRepositorySession.invoke( session );
             List<?> remoteRepositories = session.getCurrentProject().getRemotePluginRepositories();
 
             return (PluginDescriptor) getPluginDescriptor.invoke( mavenPluginManager, plugin, remoteRepositories,
                                                                   repositorySession );
         }
         catch ( IllegalArgumentException e )
         {
             logger.warn( "IllegalArgumentException during MavenPluginManager.getPluginDescriptor() call", e );
         }
         catch ( IllegalAccessException e )
         {
             logger.warn( "IllegalAccessException during MavenPluginManager.getPluginDescriptor() call", e );
         }
         catch ( InvocationTargetException e )
         {
             Throwable target = e.getTargetException();
             if ( target instanceof PluginResolutionException )
             {
                 throw (PluginResolutionException) target;
             }
             if ( target instanceof PluginDescriptorParsingException )
             {
                 throw (PluginDescriptorParsingException) target;
             }
             if ( target instanceof InvalidPluginDescriptorException )
             {
                 throw (InvalidPluginDescriptorException) target;
             }
             if ( target instanceof RuntimeException )
             {
                 throw (RuntimeException) target;
             }
             if ( target instanceof Error )
             {
                 throw (Error) target;
             }
             logger.warn( "Exception during MavenPluginManager.getPluginDescriptor() call", e );
         }
 
         return null;
     }
 
     public void setupPluginRealm( PluginDescriptor pluginDescriptor, MavenSession session, ClassLoader parent,
                                   List<String> imports, List<String> excludeArtifactIds )
         throws PluginResolutionException, PluginContainerException
     {
         try
         {
             setupPluginRealm.invoke( mavenPluginManager, pluginDescriptor, session, parent, imports,
                                      createExclusionsDependencyFilter( excludeArtifactIds ) );
         }
         catch ( IllegalArgumentException e )
         {
             logger.warn( "IllegalArgumentException during MavenPluginManager.setupPluginRealm() call", e );
         }
         catch ( IllegalAccessException e )
         {
             logger.warn( "IllegalAccessException during MavenPluginManager.setupPluginRealm() call", e );
         }
         catch ( InvocationTargetException e )
         {
             Throwable target = e.getTargetException();
             if ( target instanceof PluginResolutionException )
             {
                 throw (PluginResolutionException) target;
             }
             if ( target instanceof PluginContainerException )
             {
                 throw (PluginContainerException) target;
             }
             if ( target instanceof RuntimeException )
             {
                 throw (RuntimeException) target;
             }
             if ( target instanceof Error )
             {
                 throw (Error) target;
             }
             logger.warn( "Exception during MavenPluginManager.setupPluginRealm() call", e );
         }
     }
 }