package org.apache.maven.model.building;
   
   /*
    * 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.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  
  import org.apache.maven.model.Model;
  import org.apache.maven.model.Profile;
  
  /**
   * Collects the output of the model builder.
   *
   * @author Benjamin Bentmann
   */
  class DefaultModelBuildingResult
      implements ModelBuildingResult
  {
  
      private Model effectiveModel;
  
      private List<String> modelIds;
  
      private Map<String, Model> rawModels;
  
      private Map<String, List<Profile>> activePomProfiles;
  
      private List<Profile> activeExternalProfiles;
  
      private List<ModelProblem> problems;
  
      DefaultModelBuildingResult()
      {
          modelIds = new ArrayList<>();
          rawModels = new HashMap<>();
          activePomProfiles = new HashMap<>();
          activeExternalProfiles = new ArrayList<>();
          problems = new ArrayList<>();
      }
  
      @Override
      public Model getEffectiveModel()
      {
          return effectiveModel;
      }
  
      public DefaultModelBuildingResult setEffectiveModel( Model model )
      {
          this.effectiveModel = model;
  
          return this;
      }
  
      @Override
      public List<String> getModelIds()
      {
          return modelIds;
      }
  
      public DefaultModelBuildingResult addModelId( String modelId )
      {
          // Intentionally notNull because Super POM may not contain a modelId
          Objects.requireNonNull( modelId, "modelId cannot null" );
  
          modelIds.add( modelId );
  
          return this;
      }
  
      @Override
      public Model getRawModel()
      {
          return rawModels.get( modelIds.get( 0 ) );
      }
  
      @Override
      public Model getRawModel( String modelId )
      {
          return rawModels.get( modelId );
     }
 
     public DefaultModelBuildingResult setRawModel( String modelId, Model rawModel )
     {
         // Intentionally notNull because Super POM may not contain a modelId
         Objects.requireNonNull( modelId, "modelId cannot null" );
 
         rawModels.put( modelId, rawModel );
 
         return this;
     }
 
     @Override
     public List<Profile> getActivePomProfiles( String modelId )
     {
         return activePomProfiles.get( modelId );
     }
 
     public DefaultModelBuildingResult setActivePomProfiles( String modelId, List<Profile> activeProfiles )
     {
         // Intentionally notNull because Super POM may not contain a modelId
         Objects.requireNonNull( modelId, "modelId cannot null" );
 
         if ( activeProfiles != null )
         {
             this.activePomProfiles.put( modelId, new ArrayList<>( activeProfiles ) );
         }
         else
         {
             this.activePomProfiles.remove( modelId );
         }
 
         return this;
     }
 
     @Override
     public List<Profile> getActiveExternalProfiles()
     {
         return activeExternalProfiles;
     }
 
     public DefaultModelBuildingResult setActiveExternalProfiles( List<Profile> activeProfiles )
     {
         if ( activeProfiles != null )
         {
             this.activeExternalProfiles = new ArrayList<>( activeProfiles );
         }
         else
         {
             this.activeExternalProfiles.clear();
         }
 
         return this;
     }
 
     @Override
     public List<ModelProblem> getProblems()
     {
         return problems;
     }
 
     public DefaultModelBuildingResult setProblems( List<ModelProblem> problems )
     {
         if ( problems != null )
         {
             this.problems = new ArrayList<>( problems );
         }
         else
         {
             this.problems.clear();
         }
 
         return this;
     }
 
 }