/*
 * 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;

import org.mule.runtime.config.spring.dsl.spring.BeanDefinitionFactory;

import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.xml.BeanDefinitionDocumentReader;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.beans.factory.xml.XmlReaderContext;
import org.w3c.dom.Document;

/**
 * Customized version of {@link org.springframework.beans.factory.xml.XmlBeanDefinitionReader} in order to hook into spring and
 * use the mule version of {@link org.springframework.beans.factory.xml.BeanDefinitionDocumentReader} which allow us to parse the
 * XML file using the new parsing mechanism.
 *
 * @since 4.0
 */
public class MuleXmlBeanDefinitionReader extends XmlBeanDefinitionReader implements BeanDefinitionDocumentReader {

  private final MuleBeanDefinitionDocumentReader beanDefinitionDocumentReader;

  /**
   * Create new XmlBeanDefinitionReader for the given bean factory.
   *
   * @param registry the BeanFactory to load bean definitions into, in the form of a BeanDefinitionRegistry
   */
  public MuleXmlBeanDefinitionReader(BeanDefinitionRegistry registry,
                                     MuleBeanDefinitionDocumentReader beanDefinitionDocumentReader) {
    super(registry);
    this.beanDefinitionDocumentReader = beanDefinitionDocumentReader;;
  }

  @Override
  protected BeanDefinitionDocumentReader createBeanDefinitionDocumentReader() {
    return beanDefinitionDocumentReader;
  }

  @Override
  public void registerBeanDefinitions(Document doc, XmlReaderContext readerContext) throws BeanDefinitionStoreException {
    beanDefinitionDocumentReader.registerBeanDefinitions(doc, readerContext);
  }
}