package org.apache.maven.execution;
   
   /*
    * 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.io.File;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  import org.apache.maven.artifact.InvalidRepositoryException;
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.bridge.MavenRepositorySystem;
  import org.apache.maven.repository.RepositorySystem;
  //
  // All of this needs to go away and be couched in terms of the execution request
  //
  import org.apache.maven.settings.Mirror;
  import org.apache.maven.settings.Proxy;
  import org.apache.maven.settings.Repository;
  import org.apache.maven.settings.Server;
  import org.apache.maven.settings.Settings;
  import org.apache.maven.settings.SettingsUtils;
  //
  // Settings in core
  //
  import org.apache.maven.toolchain.model.PersistedToolchains;
  import org.apache.maven.toolchain.model.ToolchainModel;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * Assists in populating an execution request for invocation of Maven.
   */
  @Named
  public class DefaultMavenExecutionRequestPopulator
      implements MavenExecutionRequestPopulator
  {
              
      private final MavenRepositorySystem repositorySystem;
      
      @Inject
      public DefaultMavenExecutionRequestPopulator( MavenRepositorySystem repositorySystem )
      {
          this.repositorySystem = repositorySystem;
      }
  
  
      @Override
      public MavenExecutionRequest populateFromToolchains( MavenExecutionRequest request, PersistedToolchains toolchains )
          throws MavenExecutionRequestPopulationException
      {
          if ( toolchains != null )
          {
              Map<String, List<ToolchainModel>> groupedToolchains = new HashMap<>( 2 );
  
              for ( ToolchainModel model : toolchains.getToolchains() )
              {
                  if ( !groupedToolchains.containsKey( model.getType() ) )
                  {
                      groupedToolchains.put( model.getType(), new ArrayList<ToolchainModel>() );
                  }
  
                  groupedToolchains.get( model.getType() ).add( model );
              }
  
              request.setToolchains( groupedToolchains );
          }
          return request;
      }
      
      @Override
      public MavenExecutionRequest populateDefaults( MavenExecutionRequest request )
          throws MavenExecutionRequestPopulationException
      {
          baseDirectory( request );
  
          localRepository( request );
  
         populateDefaultPluginGroups( request );
 
         injectDefaultRepositories( request );
 
         injectDefaultPluginRepositories( request );
 
         return request;
     }
     
     //
     //
     //
     
     private void populateDefaultPluginGroups( MavenExecutionRequest request )
     {
         request.addPluginGroup( "org.apache.maven.plugins" );
         request.addPluginGroup( "org.codehaus.mojo" );
     }
 
     private void injectDefaultRepositories( MavenExecutionRequest request )
         throws MavenExecutionRequestPopulationException
     {
         Set<String> definedRepositories = repositorySystem.getRepoIds( request.getRemoteRepositories() );
 
         if ( !definedRepositories.contains( RepositorySystem.DEFAULT_REMOTE_REPO_ID ) )
         {
             try
             {
                 request.addRemoteRepository( repositorySystem.createDefaultRemoteRepository( request ) );
             }
             catch ( Exception e )
             {
                 throw new MavenExecutionRequestPopulationException( "Cannot create default remote repository.", e );
             }
         }
     }
 
     private void injectDefaultPluginRepositories( MavenExecutionRequest request )
         throws MavenExecutionRequestPopulationException
     {
         Set<String> definedRepositories = repositorySystem.getRepoIds( request.getPluginArtifactRepositories() );
 
         if ( !definedRepositories.contains( RepositorySystem.DEFAULT_REMOTE_REPO_ID ) )
         {
             try
             {
                 request.addPluginArtifactRepository( repositorySystem.createDefaultRemoteRepository( request ) );
             }
             catch ( Exception e )
             {
                 throw new MavenExecutionRequestPopulationException( "Cannot create default remote repository.", e );
             }
         }
     }
 
     private void localRepository( MavenExecutionRequest request )
         throws MavenExecutionRequestPopulationException
     {
         // ------------------------------------------------------------------------
         // Local Repository
         //
         // 1. Use a value has been passed in via the configuration
         // 2. Use value in the resultant settings
         // 3. Use default value
         // ------------------------------------------------------------------------
 
         if ( request.getLocalRepository() == null )
         {
             request.setLocalRepository( createLocalRepository( request ) );
         }
 
         if ( request.getLocalRepositoryPath() == null )
         {
             request.setLocalRepositoryPath( new File( request.getLocalRepository().getBasedir() ).getAbsoluteFile() );
         }
     }
 
     // ------------------------------------------------------------------------
     // Artifact Transfer Mechanism
     // ------------------------------------------------------------------------
 
     private ArtifactRepository createLocalRepository( MavenExecutionRequest request )
         throws MavenExecutionRequestPopulationException
     {
         String localRepositoryPath = null;
 
         if ( request.getLocalRepositoryPath() != null )
         {
             localRepositoryPath = request.getLocalRepositoryPath().getAbsolutePath();
         }
 
         if ( StringUtils.isEmpty( localRepositoryPath ) )
         {
             localRepositoryPath = RepositorySystem.defaultUserLocalRepository.getAbsolutePath();
         }
 
         try
         {
             return repositorySystem.createLocalRepository( request, new File( localRepositoryPath ) );
         }
         catch ( Exception e )
         {
             throw new MavenExecutionRequestPopulationException( "Cannot create local repository.", e );
         }
     }
 
     private void baseDirectory( MavenExecutionRequest request )
     {
         if ( request.getBaseDirectory() == null && request.getPom() != null )
         {
             request.setBaseDirectory( request.getPom().getAbsoluteFile().getParentFile() );
         }
     }   
     
     /*if_not[MAVEN4]*/
     
     @Override
     @Deprecated
     public MavenExecutionRequest populateFromSettings( MavenExecutionRequest request, Settings settings )
         throws MavenExecutionRequestPopulationException
     {
         if ( settings == null )
         {
             return request;
         }
 
         request.setOffline( settings.isOffline() );
 
         request.setInteractiveMode( settings.isInteractiveMode() );
 
         request.setPluginGroups( settings.getPluginGroups() );
 
         request.setLocalRepositoryPath( settings.getLocalRepository() );
 
         for ( Server server : settings.getServers() )
         {
             server = server.clone();
 
             request.addServer( server );
         }
 
         //  <proxies>
         //    <proxy>
         //      <active>true</active>
         //      <protocol>http</protocol>
         //      <host>proxy.somewhere.com</host>
         //      <port>8080</port>
         //      <username>proxyuser</username>
         //      <password>somepassword</password>
         //      <nonProxyHosts>www.google.com|*.somewhere.com</nonProxyHosts>
         //    </proxy>
         //  </proxies>
 
         for ( Proxy proxy : settings.getProxies() )
         {
             if ( !proxy.isActive() )
             {
                 continue;
             }
 
             proxy = proxy.clone();
 
             request.addProxy( proxy );
         }
 
         // <mirrors>
         //   <mirror>
         //     <id>nexus</id>
         //     <mirrorOf>*</mirrorOf>
         //     <url>http://repository.sonatype.org/content/groups/public</url>
         //   </mirror>
         // </mirrors>
 
         for ( Mirror mirror : settings.getMirrors() )
         {
             mirror = mirror.clone();
 
             request.addMirror( mirror );
         }
 
         request.setActiveProfiles( settings.getActiveProfiles() );
 
         for ( org.apache.maven.settings.Profile rawProfile : settings.getProfiles() )
         {
             request.addProfile( SettingsUtils.convertFromSettingsProfile( rawProfile ) );
 
             if ( settings.getActiveProfiles().contains( rawProfile.getId() ) )
             {
                 List<Repository> remoteRepositories = rawProfile.getRepositories();
                 for ( Repository remoteRepository : remoteRepositories )
                 {
                     try
                     {
                         request.addRemoteRepository( repositorySystem.buildArtifactRepository( remoteRepository ) );
                     }
                     catch ( InvalidRepositoryException e )
                     {
                         // do nothing for now
                     }
                 }
 
                 List<Repository> pluginRepositories = rawProfile.getPluginRepositories();
                 for ( Repository pluginRepo : pluginRepositories )
                 {
                     try
                     {
                         request.addPluginArtifactRepository( repositorySystem.buildArtifactRepository( pluginRepo ) );
                     }
                     catch ( InvalidRepositoryException e )
                     {
                         // do nothing for now
                     }
                 }
             }
         }
 
         return request;
     }    
     
     /*end[MAVEN4]*/
 
 }