/*
    * 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.apache.maven.project.harness;
  
  import java.util.Map;
  
  import org.apache.commons.jxpath.ri.QName;
  import org.apache.commons.jxpath.ri.model.NodePointer;
  
  /**
   * An attribute pointer for JXPath to support <code>Xpp3Dom</code>.
   *
   */
  class Xpp3DomAttributePointer extends NodePointer {
  
      private Map.Entry<String, String> attrib;
  
      public Xpp3DomAttributePointer(NodePointer parent, Map.Entry<String, String> attrib) {
          super(parent);
          this.attrib = attrib;
      }
  
      @Override
      public int compareChildNodePointers(NodePointer pointer1, NodePointer pointer2) {
          // should never happen because attributes have no children
          return 0;
      }
  
      @Override
      public Object getValue() {
          return attrib.getValue();
      }
  
      @Override
      public Object getBaseValue() {
          return attrib;
      }
  
      @Override
      public Object getImmediateNode() {
          return attrib;
      }
  
      @Override
      public int getLength() {
          return 1;
      }
  
      @Override
      public QName getName() {
          return new QName(null, attrib.getKey());
      }
  
      @Override
      public boolean isActual() {
          return true;
      }
  
      @Override
      public boolean isCollection() {
          return false;
      }
  
      @Override
      public boolean isLeaf() {
          return true;
      }
  
      @Override
      public void setValue(Object value) {
          throw new UnsupportedOperationException();
      }
  }