package org.apache.maven.shared.release.transform.jdom;
   
   /*
    * 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.Collections;
  import java.util.List;
  
  import org.apache.maven.model.Dependency;
  import org.apache.maven.model.DependencyManagement;
  import org.jdom.Element;
  
  /**
   * JDom implementation of poms DEPENDENCYMANAGEMENT element
   *
   * @author Robert Scholte
   * @since 3.0
   */
  public class JDomDependencyManagement extends DependencyManagement
  {
      private final Element dependencyManagement;
  
      public JDomDependencyManagement( Element dependencyManagement )
      {
          this.dependencyManagement = dependencyManagement;
      }
  
      @Override
      public void addDependency( Dependency dependency )
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public List<Dependency> getDependencies()
      {
          Element dependenciesElm = dependencyManagement.getChild( "dependencies", dependencyManagement.getNamespace() );
          if ( dependenciesElm == null )
          {
              return Collections.emptyList();
          }
          else
          {
              List<Element> dependencyElms =
                  dependenciesElm.getChildren( "dependency", dependencyManagement.getNamespace() );
  
              List<Dependency> dependencies = new ArrayList<>( dependencyElms.size() );
  
              for ( Element dependencyElm : dependencyElms )
              {
                  dependencies.add( new JDomDependency( dependencyElm ) );
              }
  
              return dependencies;
          }
      }
  
      @Override
      public void removeDependency( Dependency dependency )
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public void setDependencies( List<Dependency> dependencies )
      {
          throw new UnsupportedOperationException();
      }
  
  }