/*
    * 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.commons.jxpath.ri.model.dom;
  
  import org.apache.commons.jxpath.AbstractFactory;
  import org.apache.commons.jxpath.JXPathContext;
  import org.apache.commons.jxpath.Pointer;
  import org.w3c.dom.Document;
  import org.w3c.dom.Node;
  
  /**
   * Test AbstractFactory.
   */
  public class TestDOMFactory extends AbstractFactory {
  
      private void addDOMElement(final Node parent, final int index, final String tag, final String namespaceURI) {
          Node child = parent.getFirstChild();
          int count = 0;
          while (child != null) {
              if (child.getNodeName().equals(tag)) {
                  count++;
              }
              child = child.getNextSibling();
          }
          // Keep inserting new elements until we have index + 1 of them
          while (count <= index) {
              final Document doc = parent.getOwnerDocument();
              Node newElement;
              if (namespaceURI == null) {
                  newElement = doc.createElement(tag);
              } else {
                  newElement = doc.createElementNS(namespaceURI, tag);
              }
              parent.appendChild(newElement);
              count++;
          }
      }
  
      /**
       * Return <strong>false</strong> if this factory cannot create the requested object.
       */
      @Override
      public boolean createObject(final JXPathContext context, final Pointer pointer, final Object parent, final String name, final int index) {
          if (name.equals("location") || name.equals("address") || name.equals("street")) {
              addDOMElement((Node) parent, index, name, null);
              return true;
          }
          if (name.startsWith("price:")) {
              final String namespaceURI = context.getNamespaceURI("price");
              addDOMElement((Node) parent, index, name, namespaceURI);
              return true;
          }
          return false;
      }
  
      @Override
      public boolean declareVariable(final JXPathContext context, final String name) {
          return false;
      }
  }