/*
 * Copyright 2002-2017 the original author or authors.
 *
 * Licensed 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.springframework.integration.config.xml;

import org.w3c.dom.Element;

import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.config.FilterFactoryBean;
import org.springframework.util.xml.DomUtils;

/**
 * Parser for the <filter/> element.
 *
 * @author Mark Fisher
 * @author Gary Russell
 */
public class FilterParser extends AbstractDelegatingConsumerEndpointParser {

	@Override
	String getFactoryBeanClassName() {
		return FilterFactoryBean.class.getName();
	}

	@Override
	boolean hasDefaultOption() {
		return false;
	}

	@Override
	void postProcess(BeanDefinitionBuilder builder, Element element, ParserContext parserContext) {
		IntegrationNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "discard-channel");
		IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "throw-exception-on-rejection");
		Element adviceChainElement = DomUtils.getChildElementByTagName(element,
				IntegrationNamespaceUtils.REQUEST_HANDLER_ADVICE_CHAIN);
		if (adviceChainElement != null) {
			IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, adviceChainElement, "discard-within-advice");
		}
	}

}