/*
 * Copyright 2010-2012the 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.data.gemfire.config;

import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.data.gemfire.GemfireTransactionManager;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;

/**
 * Parser for &lt;transaction-manager&gt; definitions.
 * 
 * @author Costin Leau
 */
class TransactionManagerParser extends AbstractSingleBeanDefinitionParser {

	@Override
	protected Class<?> getBeanClass(Element element) {
		return GemfireTransactionManager.class;
	}

	@Override
	protected void doParse(Element element, BeanDefinitionBuilder builder) {
		super.doParse(element, builder);

		ParsingUtils.setPropertyValue(element, builder, "copy-on-read", "copyOnRead");

		String attr = element.getAttribute("cache-ref");
		// add cache reference (fallback to default if nothing is specified)
		builder.addPropertyReference("cache", (StringUtils.hasText(attr) ? attr : GemfireConstants.DEFAULT_GEMFIRE_CACHE_NAME));

	}

	@Override
	protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext)
			throws BeanDefinitionStoreException {
		String name = super.resolveId(element, definition, parserContext);
		if (!StringUtils.hasText(name)) {
			name = GemfireConstants.DEFAULT_GEMFIRE_TXMANAGER_NAME;
			//For backward compatibility
			parserContext.getRegistry().registerAlias(GemfireConstants.DEFAULT_GEMFIRE_TXMANAGER_NAME, "gemfire-transaction-manager");
		}
		return name;
	}
}
