/*
 * Copyright 2002-2010 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 java.util.Collections;
import java.util.Map;

import org.w3c.dom.Element;

import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.core.type.StandardAnnotationMetadata;
import org.springframework.integration.config.MessageHistoryRegistrar;

/**
 * The {@code <message-history/>} parser.
 * Delegates the {@link BeanDefinition} registration to the {@link MessageHistoryRegistrar}.
 *
 * @author Oleg Zhurakousky
 * @author Mark Fisher
 * @author Artem Bilan
 *
 * @since 2.0
 */
public class MessageHistoryParser implements BeanDefinitionParser {

	private final MessageHistoryRegistrar messageHistoryRegistrar = new MessageHistoryRegistrar();

	@Override
	public BeanDefinition parse(final Element element, ParserContext parserContext) {
		this.messageHistoryRegistrar.registerBeanDefinitions(new StandardAnnotationMetadata(MessageHistoryParser.class) {

			@Override
			public Map<String, Object> getAnnotationAttributes(String annotationType) {
				return Collections.<String, Object>singletonMap("value", element.getAttribute("tracked-components"));
			}

		}, parserContext.getRegistry());
		return null;
	}
}