package org.apache.maven.plugin.internal;
   
   /*
    * 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.util.Map;
  
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
  import org.apache.maven.artifact.resolver.ArtifactResolutionException;
  import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.plugin.InvalidPluginDescriptorException;
  import org.apache.maven.plugin.InvalidPluginException;
  import org.apache.maven.plugin.LegacySupport;
  import org.apache.maven.plugin.MavenPluginManager;
  import org.apache.maven.plugin.MojoExecution;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugin.PluginConfigurationException;
  import org.apache.maven.plugin.PluginDescriptorParsingException;
  import org.apache.maven.plugin.PluginManager;
  import org.apache.maven.plugin.PluginManagerException;
  import org.apache.maven.plugin.PluginNotFoundException;
  import org.apache.maven.plugin.PluginResolutionException;
  import org.apache.maven.plugin.descriptor.PluginDescriptor;
  import org.apache.maven.plugin.prefix.DefaultPluginPrefixRequest;
  import org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException;
  import org.apache.maven.plugin.prefix.PluginPrefixRequest;
  import org.apache.maven.plugin.prefix.PluginPrefixResolver;
  import org.apache.maven.plugin.prefix.PluginPrefixResult;
  import org.apache.maven.plugin.version.DefaultPluginVersionRequest;
  import org.apache.maven.plugin.version.PluginVersionNotFoundException;
  import org.apache.maven.plugin.version.PluginVersionRequest;
  import org.apache.maven.plugin.version.PluginVersionResolutionException;
  import org.apache.maven.plugin.version.PluginVersionResolver;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.project.artifact.InvalidDependencyVersionException;
  import org.apache.maven.settings.Settings;
  import org.codehaus.plexus.PlexusContainer;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.annotations.Requirement;
  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
  
  /**
   * @author Benjamin Bentmann
   */
  @Component( role = PluginManager.class )
  public class DefaultPluginManager
      implements PluginManager
  {
  
      @Requirement
      private PlexusContainer container;
  
      @Requirement
      private MavenPluginManager pluginManager;
  
      @Requirement
      private PluginVersionResolver pluginVersionResolver;
  
      @Requirement
      private PluginPrefixResolver pluginPrefixResolver;
  
      @Requirement
      private LegacySupport legacySupport;
  
      public void executeMojo( MavenProject project, MojoExecution execution, MavenSession session )
          throws MojoExecutionException, ArtifactResolutionException, MojoFailureException, ArtifactNotFoundException,
          InvalidDependencyVersionException, PluginManagerException, PluginConfigurationException
      {
          throw new UnsupportedOperationException();
      }
  
      public Object getPluginComponent( Plugin plugin, String role, String roleHint )
          throws PluginManagerException, ComponentLookupException
      {
          MavenSession session = legacySupport.getSession();
  
          PluginDescriptor pluginDescriptor;
          try
          {
             pluginDescriptor =
                 pluginManager.getPluginDescriptor( plugin, session.getCurrentProject().getRemotePluginRepositories(),
                                                    session.getRepositorySession() );
 
             pluginManager.setupPluginRealm( pluginDescriptor, session, null, null, null );
         }
         catch ( Exception e )
         {
             throw new PluginManagerException( plugin, e.getMessage(), e );
         }
 
         ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
         try
         {
             Thread.currentThread().setContextClassLoader( pluginDescriptor.getClassRealm() );
 
             return container.lookup( role, roleHint );
         }
         finally
         {
             Thread.currentThread().setContextClassLoader( oldClassLoader );
         }
     }
 
     public Map getPluginComponents( Plugin plugin, String role )
         throws ComponentLookupException, PluginManagerException
     {
         MavenSession session = legacySupport.getSession();
 
         PluginDescriptor pluginDescriptor;
         try
         {
             pluginDescriptor =
                 pluginManager.getPluginDescriptor( plugin, session.getCurrentProject().getRemotePluginRepositories(),
                                                    session.getRepositorySession() );
 
             pluginManager.setupPluginRealm( pluginDescriptor, session, null, null, null );
         }
         catch ( Exception e )
         {
             throw new PluginManagerException( plugin, e.getMessage(), e );
         }
 
         ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
         try
         {
             Thread.currentThread().setContextClassLoader( pluginDescriptor.getClassRealm() );
 
             return container.lookupMap( role );
         }
         finally
         {
             Thread.currentThread().setContextClassLoader( oldClassLoader );
         }
     }
 
     public Plugin getPluginDefinitionForPrefix( String prefix, MavenSession session, MavenProject project )
     {
         PluginPrefixRequest request = new DefaultPluginPrefixRequest( prefix, session );
         request.setPom( project.getModel() );
 
         try
         {
             PluginPrefixResult result = pluginPrefixResolver.resolve( request );
 
             Plugin plugin = new Plugin();
             plugin.setGroupId( result.getGroupId() );
             plugin.setArtifactId( result.getArtifactId() );
 
             return plugin;
         }
         catch ( NoPluginFoundForPrefixException e )
         {
             return null;
         }
     }
 
     public PluginDescriptor getPluginDescriptorForPrefix( String prefix )
     {
         MavenSession session = legacySupport.getSession();
 
         PluginPrefixRequest request = new DefaultPluginPrefixRequest( prefix, session );
 
         try
         {
             PluginPrefixResult result = pluginPrefixResolver.resolve( request );
 
             Plugin plugin = new Plugin();
             plugin.setGroupId( result.getGroupId() );
             plugin.setArtifactId( result.getArtifactId() );
 
             return loadPluginDescriptor( plugin, session.getCurrentProject(), session );
         }
         catch ( Exception e )
         {
             return null;
         }
     }
 
     public PluginDescriptor loadPluginDescriptor( Plugin plugin, MavenProject project, MavenSession session )
         throws ArtifactResolutionException, PluginVersionResolutionException, ArtifactNotFoundException,
         InvalidVersionSpecificationException, InvalidPluginException, PluginManagerException, PluginNotFoundException,
         PluginVersionNotFoundException
     {
         return verifyPlugin( plugin, project, session.getSettings(), session.getLocalRepository() );
     }
 
     public PluginDescriptor loadPluginFully( Plugin plugin, MavenProject project, MavenSession session )
         throws ArtifactResolutionException, PluginVersionResolutionException, ArtifactNotFoundException,
         InvalidVersionSpecificationException, InvalidPluginException, PluginManagerException, PluginNotFoundException,
         PluginVersionNotFoundException
     {
         PluginDescriptor pluginDescriptor = loadPluginDescriptor( plugin, project, session );
 
         try
         {
             pluginManager.setupPluginRealm( pluginDescriptor, session, null, null, null );
         }
         catch ( PluginResolutionException e )
         {
             throw new PluginManagerException( plugin, e.getMessage(), e );
         }
 
         return pluginDescriptor;
     }
 
     public PluginDescriptor verifyPlugin( Plugin plugin, MavenProject project, Settings settings,
                                           ArtifactRepository localRepository )
         throws ArtifactResolutionException, PluginVersionResolutionException, ArtifactNotFoundException,
         InvalidVersionSpecificationException, InvalidPluginException, PluginManagerException, PluginNotFoundException,
         PluginVersionNotFoundException
     {
         MavenSession session = legacySupport.getSession();
 
         if ( plugin.getVersion() == null )
         {
             PluginVersionRequest versionRequest =
                 new DefaultPluginVersionRequest( plugin, session.getRepositorySession(),
                                                  project.getRemotePluginRepositories() );
             plugin.setVersion( pluginVersionResolver.resolve( versionRequest ).getVersion() );
         }
 
         try
         {
             return pluginManager.getPluginDescriptor( plugin, project.getRemotePluginRepositories(),
                                                       session.getRepositorySession() );
         }
         catch ( PluginResolutionException e )
         {
             throw new PluginNotFoundException( plugin, project.getPluginArtifactRepositories() );
         }
         catch ( PluginDescriptorParsingException e )
         {
             throw new PluginManagerException( plugin, e.getMessage(), e );
         }
         catch ( InvalidPluginDescriptorException e )
         {
             throw new PluginManagerException( plugin, e.getMessage(), e );
         }
     }
 
 }