package org.apache.maven.shared.dependency.graph;
   
   /*
    * 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 org.apache.maven.artifact.resolver.filter.ArtifactFilter;
  import org.apache.maven.project.ProjectBuildingRequest;
  import org.apache.maven.shared.dependency.graph.internal.DirectScopeDependencySelector;
  import org.apache.maven.shared.dependency.graph.internal.VerboseJavaScopeSelector;
  import org.eclipse.aether.collection.DependencyGraphTransformer;
  import org.eclipse.aether.collection.DependencySelector;
  import org.eclipse.aether.util.artifact.JavaScopes;
  import org.eclipse.aether.util.graph.manager.DependencyManagerUtils;
  import org.eclipse.aether.util.graph.selector.AndDependencySelector;
  import org.eclipse.aether.util.graph.selector.ExclusionDependencySelector;
  import org.eclipse.aether.util.graph.selector.OptionalDependencySelector;
  import org.eclipse.aether.util.graph.transformer.ConflictResolver;
  import org.eclipse.aether.util.graph.transformer.JavaScopeDeriver;
  import org.eclipse.aether.util.graph.transformer.NearestVersionSelector;
  import org.eclipse.aether.util.graph.transformer.SimpleOptionalitySelector;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Objects;
  
  /**
   * <div>
   * This class will carry various options used by
   * {@link DependencyCollectorBuilder#collectDependencyGraph(DependencyCollectorRequest)}
   * </div>
   * <div>
   * There is a set of default values such:
   * </div>
   * <div>
   * DependencySelector
   * <pre>
   *  new AndDependencySelector(
   *             new DirectScopeDependencySelector( JavaScopes.TEST ),
   *             new DirectScopeDependencySelector( JavaScopes.PROVIDED ),
   *             new OptionalDependencySelector(),
   *             new ExclusionDependencySelector() );
   * </pre>
   * </div>
   * <div>
   * DependencyGraphTransformer
   * <pre>
   * new ConflictResolver(
   *             new NearestVersionSelector(),
   *             new VerboseJavaScopeSelector(),
   *             new SimpleOptionalitySelector(),
   *             new JavaScopeDeriver() );
   * </pre>
   * </div>
   * <div>
   * configProperties have 2 default values
   * <pre>
   *   ConflictResolver.CONFIG_PROP_VERBOSE, true
   *   DependencyManagerUtils.CONFIG_PROP_VERBOSE, true
   * </pre>
   * <a href="https://maven.apache.org/resolver/configuration.html">Move Resolver configuration properties</a>.
   * </div>
   * @since 3.2.1
   */
  public class DependencyCollectorRequest
  {
  
      private final ProjectBuildingRequest buildingRequest;
  
      private ArtifactFilter filter;
  
      private Map<String, Object> configProperties = new HashMap<>();
  
      private DependencySelector dependencySelector = new AndDependencySelector(
              new DirectScopeDependencySelector( JavaScopes.TEST ),
              new DirectScopeDependencySelector( JavaScopes.PROVIDED ),
              new OptionalDependencySelector(),
              new ExclusionDependencySelector() );
  
      private DependencyGraphTransformer dependencyGraphTransformer = new ConflictResolver(
              new NearestVersionSelector(),
              new VerboseJavaScopeSelector(),
              new SimpleOptionalitySelector(),
              new JavaScopeDeriver() );
 
     public DependencyCollectorRequest( ProjectBuildingRequest buildingRequest )
     {
         this( buildingRequest, null );
     }
 
     public DependencyCollectorRequest( ProjectBuildingRequest buildingRequest, ArtifactFilter filter )
     {
         Objects.requireNonNull( buildingRequest, "ProjectBuildingRequest cannot be null" );
         this.buildingRequest = buildingRequest;
         this.filter = filter;
         configProperties.put( ConflictResolver.CONFIG_PROP_VERBOSE, true );
         configProperties.put( DependencyManagerUtils.CONFIG_PROP_VERBOSE, true );
     }
 
     public ProjectBuildingRequest getBuildingRequest()
     {
         return buildingRequest;
     }
 
     public ArtifactFilter getFilter()
     {
         return filter;
     }
 
     public DependencySelector getDependencySelector()
     {
         return dependencySelector;
     }
 
     public DependencyCollectorRequest dependencySelector( DependencySelector dependencySelector )
     {
         this.dependencySelector = dependencySelector;
         return this;
     }
 
     public DependencyGraphTransformer getDependencyGraphTransformer()
     {
         return dependencyGraphTransformer;
     }
 
     public DependencyCollectorRequest dependencyGraphTransformer(
             DependencyGraphTransformer dependencyGraphTransformer )
     {
         this.dependencyGraphTransformer = dependencyGraphTransformer;
         return this;
     }
 
     public Map<String, Object> getConfigProperties()
     {
         return this.configProperties;
     }
 
     public void addConfigProperty( String key, Object value )
     {
         this.configProperties.put( key, value );
     }
 
     public void removeConfigProperty( String key )
     {
         this.configProperties.remove( key );
     }
 }