package org.apache.maven.lifecycle.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.HashMap;
  import java.util.Map;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.model.PluginManagement;
  import org.apache.maven.plugin.version.DefaultPluginVersionRequest;
  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;
  
  /**
   * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
   * @since 3.0
   * @author Benjamin Bentmann
   * @author Kristian Rosenvold (Extract class)
   */
  @Named
  @Singleton
  public class LifecyclePluginResolver
  {
      private final PluginVersionResolver pluginVersionResolver;
  
      @Inject
      public LifecyclePluginResolver( PluginVersionResolver pluginVersionResolver )
      {
          this.pluginVersionResolver = pluginVersionResolver;
      }
  
      public void resolveMissingPluginVersions( MavenProject project, MavenSession session )
          throws PluginVersionResolutionException
      {
          Map<String, String> versions = new HashMap<>( 64 );
  
          for ( Plugin plugin : project.getBuildPlugins() )
          {
              if ( plugin.getVersion() == null )
              {
                  PluginVersionRequest request = new DefaultPluginVersionRequest( plugin, session.getRepositorySession(),
                                                                                  project.getRemotePluginRepositories() );
                  plugin.setVersion( pluginVersionResolver.resolve( request ).getVersion() );
              }
              versions.put( plugin.getKey(), plugin.getVersion() );
          }
  
          PluginManagement pluginManagement = project.getPluginManagement();
          if ( pluginManagement != null )
          {
              for ( Plugin plugin : pluginManagement.getPlugins() )
              {
                  if ( plugin.getVersion() == null )
                  {
                      plugin.setVersion( versions.get( plugin.getKey() ) );
                      if ( plugin.getVersion() == null )
                      {
                          PluginVersionRequest request =
                              new DefaultPluginVersionRequest( plugin, session.getRepositorySession(),
                                                               project.getRemotePluginRepositories() );
                          plugin.setVersion( pluginVersionResolver.resolve( request ).getVersion() );
                      }
                  }
              }
          }
      }
  }