/*
    * 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.
   */
  package org.eclipse.aether.internal.impl.collect;
  
  import java.util.List;
  
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.collection.DependencyCollectionContext;
  import org.eclipse.aether.graph.Dependency;
  
  /**
   * Internal helper class for collector implementations.
   */
  public final class DefaultDependencyCollectionContext implements DependencyCollectionContext {
  
      private final RepositorySystemSession session;
  
      private final Artifact artifact;
  
      private final Dependency dependency;
  
      private final List<Dependency> managedDependencies;
  
      public DefaultDependencyCollectionContext(
              RepositorySystemSession session,
              Artifact artifact,
              Dependency dependency,
              List<Dependency> managedDependencies) {
          this.session = session;
          this.artifact = (dependency != null) ? dependency.getArtifact() : artifact;
          this.dependency = dependency;
          this.managedDependencies = managedDependencies;
      }
  
      @Override
      public RepositorySystemSession getSession() {
          return session;
      }
  
      @Override
      public Artifact getArtifact() {
          return artifact;
      }
  
      @Override
      public Dependency getDependency() {
          return dependency;
      }
  
      @Override
      public List<Dependency> getManagedDependencies() {
          return managedDependencies;
      }
  
      public DefaultDependencyCollectionContext set(Dependency dependency, List<Dependency> managedDependencies) {
          return new DefaultDependencyCollectionContext(
                  session, dependency.getArtifact(), dependency, managedDependencies);
      }
  
      @Override
      public String toString() {
          return String.valueOf(getDependency());
      }
  }