/*
* Copyright 2002-2014 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.config.xml;
import org.w3c.dom.Element;
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.AbstractSimpleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Base class for inbound gateway parsers.
*
* @author Mark Fisher
* @author Gary Russell
*/
public abstract class AbstractInboundGatewayParser extends AbstractSimpleBeanDefinitionParser {
@Override
protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext)
throws BeanDefinitionStoreException {
String id = super.resolveId(element, definition, parserContext);
if (!StringUtils.hasText(id)) {
id = element.getAttribute("name");
}
if (!StringUtils.hasText(id)) {
id = parserContext.getReaderContext().generateBeanName(definition);
}
return id;
}
@Override
protected boolean isEligibleAttribute(String attributeName) {
return !attributeName.equals("name") && !attributeName.equals("request-channel")
&& !attributeName.equals("error-channel")
&& !attributeName.equals("reply-channel") && super.isEligibleAttribute(attributeName);
}
@Override
protected final void postProcess(BeanDefinitionBuilder builder, Element element) {
String requestChannelRef = element.getAttribute("request-channel");
Assert.hasText(requestChannelRef, "a 'request-channel' reference is required");
builder.addPropertyReference("requestChannel", requestChannelRef);
String replyChannel = element.getAttribute("reply-channel");
if (StringUtils.hasText(replyChannel)) {
builder.addPropertyReference("replyChannel", replyChannel);
}
String errorChannel = element.getAttribute("error-channel");
if (StringUtils.hasText(errorChannel)) {
builder.addPropertyReference("errorChannel", errorChannel);
}
this.doPostProcess(builder, element);
}
/**
* Subclasses may add to the bean definition by overriding this method.
*
* @param builder The builder.
* @param element The element.
*/
protected void doPostProcess(BeanDefinitionBuilder builder, Element element) {
}
}