/*
 * Copyright 2002-2016 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.jdbc.config;

import org.w3c.dom.Element;

import org.springframework.beans.BeanMetadataElement;
import org.springframework.beans.factory.parsing.BeanComponentDefinition;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.config.xml.AbstractPollingInboundChannelAdapterParser;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.integration.jdbc.StoredProcPollingChannelAdapter;

/**
 * @author Gunnar Hillert
 * @since 2.1
 *
 */
public class StoredProcPollingChannelAdapterParser extends AbstractPollingInboundChannelAdapterParser {

	protected boolean shouldGenerateId() {
		return false;
	}

	protected boolean shouldGenerateIdAsFallback() {
		return true;
	}

	@Override
	protected BeanMetadataElement parseSource(Element element, ParserContext parserContext) {

		BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(StoredProcPollingChannelAdapter.class);

		final BeanDefinitionBuilder storedProcExecutorBuilder = StoredProcParserUtils.getStoredProcExecutorBuilder(element, parserContext);

		IntegrationNamespaceUtils.setValueIfAttributeDefined(storedProcExecutorBuilder, element, "return-value-required");
		IntegrationNamespaceUtils.setValueIfAttributeDefined(storedProcExecutorBuilder, element, "is-function");
		IntegrationNamespaceUtils.setValueIfAttributeDefined(storedProcExecutorBuilder, element, "skip-undeclared-results");

		final ManagedMap<String, BeanMetadataElement> returningResultsetMap =
				StoredProcParserUtils.getReturningResultsetBeanDefinitions(element, parserContext);

		if (!returningResultsetMap.isEmpty()) {
			storedProcExecutorBuilder.addPropertyValue("returningResultSetRowMappers", returningResultsetMap);
		}

		final AbstractBeanDefinition storedProcExecutorBuilderBeanDefinition = storedProcExecutorBuilder.getBeanDefinition();
		final String storedProcPollingChannelAdapterId = this.resolveId(element, builder.getRawBeanDefinition(), parserContext);
		final String storedProcExecutorBeanName = storedProcPollingChannelAdapterId + ".storedProcExecutor";

		parserContext.registerBeanComponent(new BeanComponentDefinition(storedProcExecutorBuilderBeanDefinition, storedProcExecutorBeanName));

		builder.addConstructorArgReference(storedProcExecutorBeanName);

		IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "expect-single-result");

		return builder.getBeanDefinition();

	}

}