/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.component.spring.integration.adapter.config;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.apache.camel.component.spring.integration.adapter.CamelTargetAdapter;
import org.springframework.beans.factory.parsing.BeanComponentDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.AbstractSimpleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.ConfigurationException;
import org.springframework.integration.endpoint.HandlerEndpoint;
import org.springframework.util.StringUtils;
/**
* Parser for the <camelTarget/> element
* @author Willem Jiang
*
* @version $Revision: 677135 $
*/
public class CamelTargetAdapterParser extends AbstractCamelContextBeanDefinitionParaser {
protected Class<?> getBeanClass(Element element) {
return HandlerEndpoint.class;
}
protected boolean shouldGenerateId() {
return false;
}
protected boolean shouldGenerateIdAsFallback() {
return true;
}
protected void parseAttributes(Element element, ParserContext ctx, BeanDefinitionBuilder bean) {
NamedNodeMap atts = element.getAttributes();
for (int i = 0; i < atts.getLength(); i++) {
Attr node = (Attr) atts.item(i);
String val = node.getValue();
String name = node.getLocalName();
if (!name.equals("requestChannel") && !name.equals("replyChannel")) {
mapToProperty(bean, name, val);
}
}
}
protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
BeanDefinitionBuilder adapterDefBuilder = BeanDefinitionBuilder.rootBeanDefinition(CamelTargetAdapter.class);
String requestChannel = element.getAttribute("requestChannel");
String replyChannel = element.getAttribute("replyChannel");
// Check the requestChannel
if (!StringUtils.hasText(requestChannel)) {
throw new ConfigurationException("The 'requestChannel' attribute is required.");
}
// Set the adapter bean's property
parseAttributes(element, parserContext, adapterDefBuilder);
parseCamelContext(element, parserContext, adapterDefBuilder);
String adapterBeanName = parserContext.getReaderContext().generateBeanName(adapterDefBuilder.getBeanDefinition());
parserContext.registerBeanComponent(new BeanComponentDefinition(adapterDefBuilder.getBeanDefinition(), adapterBeanName));
builder.addConstructorArgReference(adapterBeanName);
builder.addPropertyValue("inputChannelName", requestChannel);
if (StringUtils.hasText(replyChannel)) {
builder.addPropertyValue("outputChannelName", replyChannel);
}
}
}