/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.runtime.config.spring.parsers.generic;

import org.w3c.dom.Element;
import org.w3c.dom.Node;

/**
 * Same as ChildDefinitionParser but injects the child element into the grandparent object (2 levels up in the XML tree).
 */
public class GrandchildDefinitionParser extends ChildDefinitionParser {

  public GrandchildDefinitionParser(String setterMethod, Class clazz) {
    super(setterMethod, clazz);
  }

  public GrandchildDefinitionParser(String setterMethod, Class clazz, Class constraint, boolean allowClassAttribute) {
    super(setterMethod, clazz, constraint, allowClassAttribute);
  }

  @Override
  protected String getParentBeanName(Element element) {
    return getGrandparentBeanName(element);
  }

  protected String getGrandparentBeanName(Element element) {
    Node parent = element.getParentNode();
    if (parent == null) {
      logger.error("No parent node found for element " + element);
      return null;
    }
    Node grandparent = parent.getParentNode();
    if (grandparent == null) {
      logger.error("No parent node found for element " + parent);
      return null;
    }
    Node grandparentNameAttribute = grandparent.getAttributes().getNamedItem("name");
    if (grandparentNameAttribute == null) {
      logger.error("Grandparent node has no 'name' attribute: " + grandparent);
      return null;
    }
    return grandparentNameAttribute.getNodeValue();
  }
}