/*
 * Copyright 2014 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.twitter.config;

import org.w3c.dom.Element;

import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.config.ExpressionFactoryBean;
import org.springframework.integration.config.xml.AbstractConsumerEndpointParser;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.integration.twitter.outbound.TwitterSearchOutboundGateway;
import org.springframework.util.StringUtils;

/**
 * Parser for {@code <int-twitter:search-outbound-gateway/>}.
 *
 * @author Gary Russell
 * @since 4.0
 *
 */
public class TwitterSearchOutboundGatewayParser extends AbstractConsumerEndpointParser {

	@Override
	protected String getInputChannelAttributeName() {
		return "request-channel";
	}

	@Override
	protected BeanDefinitionBuilder parseHandler(Element element, ParserContext parserContext) {
		BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(TwitterSearchOutboundGateway.class);
		builder.addConstructorArgReference(element.getAttribute("twitter-template"));
		String searchArgsExpression = element.getAttribute("search-args-expression");
		if (StringUtils.hasText(searchArgsExpression)) {
			BeanDefinition expressionDef = new RootBeanDefinition(ExpressionFactoryBean.class);
			expressionDef.getConstructorArgumentValues().addGenericArgumentValue(searchArgsExpression);
			builder.addPropertyValue("searchArgsExpression", expressionDef);
		}
		IntegrationNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "reply-channel", "outputChannel");
		IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "reply-timeout", "sendTimeout");

		return builder;
	}

}