package eu.dnetlib.contract.spring.beans;

import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.xml.DomUtils;
import org.w3c.dom.Element;

import eu.dnetlib.contract.cp.ResultCheckPoint;


/**
 * {@link ResultCheckPoint} bean definition parser.
 * @author mhorst
 *
 */
public class ResultCheckPointBeanDefinitionParser extends AbstractCheckPointBeanDefinitionParser {

	public static final String RESULT_DERIVED_FROM_ATTR_NAME	= "resultDerivedFrom";
	
	public static final String RESULT_ELEMENT_NAME		 		= "result";
	public static final String EVALUATOR_MODULE_ELEMENT_NAME	= "evaluator-module";
	public static final String EVALUATOR_MODULE_PROP_NAME		= "evaluatorModule";
	

	/* (non-Javadoc)
	 * @see org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser#doParse(org.w3c.dom.Element, org.springframework.beans.factory.xml.ParserContext, org.springframework.beans.factory.support.BeanDefinitionBuilder)
	 */
	@Override
	protected void doParse(Element element, ParserContext parserContext,
			BeanDefinitionBuilder builder) {
		super.doParse(element, parserContext, builder);
		
//		handles result derived from class
		String resultDerivedFrom = element.getAttribute(RESULT_DERIVED_FROM_ATTR_NAME);
		if (isAttributeSet(resultDerivedFrom)) {
			builder.addPropertyValue(RESULT_DERIVED_FROM_ATTR_NAME, resultDerivedFrom);
		}
		
//		handles result element
		Element resultElement = DomUtils.getChildElementByTagName(element,RESULT_ELEMENT_NAME);
		if (resultElement!=null) {
			setFirstChildAsProperty(resultElement, parserContext, builder, RESULT_ELEMENT_NAME);
		}
		
//		handles evaluator-module
		Element evalElement = DomUtils.getChildElementByTagName(element,EVALUATOR_MODULE_ELEMENT_NAME);
		if (evalElement!=null) {
			setFirstChildAsProperty(evalElement, parserContext, builder, EVALUATOR_MODULE_PROP_NAME);
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser#getBeanClass(org.w3c.dom.Element)
	 */
	@SuppressWarnings("unchecked")
	@Override
	protected Class getBeanClass(Element element) {
		return ResultCheckPoint.class;
	}
}