/*
    * 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;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.eclipse.aether.RequestTrace;
  import org.eclipse.aether.graph.DependencyNode;
  import org.eclipse.aether.graph.DependencyVisitor;
  import org.eclipse.aether.resolution.ArtifactRequest;
  
  /**
   */
  class ArtifactRequestBuilder implements DependencyVisitor {
  
      private final RequestTrace trace;
  
      private final List<ArtifactRequest> requests;
  
      ArtifactRequestBuilder(RequestTrace trace) {
          this.trace = trace;
          this.requests = new ArrayList<>();
      }
  
      public List<ArtifactRequest> getRequests() {
          return requests;
      }
  
      public boolean visitEnter(DependencyNode node) {
          if (node.getDependency() != null) {
              ArtifactRequest request = new ArtifactRequest(node);
              request.setTrace(trace);
              requests.add(request);
          }
  
          return true;
      }
  
      public boolean visitLeave(DependencyNode node) {
          return true;
      }
  }