/**
* 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.bean;
import java.util.Map;
import org.apache.camel.Endpoint;
import org.apache.camel.ExchangePattern;
import org.apache.camel.impl.DefaultComponent;
import org.apache.camel.impl.ProcessorEndpoint;
import org.apache.camel.spi.Registry;
import org.apache.camel.util.IntrospectionSupport;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* An alternative to the <a href="http://activemq.apache.org/pojo.html">POJO Component</a>
* which implements the <a href="http://activemq.apache.org/bean.html">Bean Component</a>
* which will look up the URI in the Spring ApplicationContext and use that to handle message dispatching.
*
* @version $Revision: 1.1 $
*/
public class BeanComponent extends DefaultComponent {
private static final Log LOG = LogFactory.getLog(BeanComponent.class);
private ParameterMappingStrategy parameterMappingStrategy;
public BeanComponent() {
}
/**
* A helper method to create a new endpoint from a bean with a generated URI
*/
public ProcessorEndpoint createEndpoint(Object bean) {
String uri = "bean:generated:" + bean;
return createEndpoint(bean, uri);
}
/**
* A helper method to create a new endpoint from a bean with a given URI
*/
public ProcessorEndpoint createEndpoint(Object bean, String uri) {
BeanProcessor processor = new BeanProcessor(bean, getCamelContext(), getParameterMappingStrategy());
return createEndpoint(uri, processor);
}
public ParameterMappingStrategy getParameterMappingStrategy() {
if (parameterMappingStrategy == null) {
parameterMappingStrategy = createParameterMappingStrategy();
}
return parameterMappingStrategy;
}
public void setParameterMappingStrategy(ParameterMappingStrategy parameterMappingStrategy) {
this.parameterMappingStrategy = parameterMappingStrategy;
}
// Implementation methods
//-----------------------------------------------------------------------
protected Endpoint createEndpoint(String uri, String remaining, Map parameters) throws Exception {
Object bean = getBean(remaining);
BeanProcessor processor = new BeanProcessor(bean, getCamelContext(), getParameterMappingStrategy());
setProperties(processor, parameters);
return createEndpoint(uri, processor);
}
public Object getBean(String remaining) throws NoBeanAvailableException {
Registry registry = getCamelContext().getRegistry();
Object bean = registry.lookup(remaining);
if (bean == null) {
throw new NoBeanAvailableException(remaining);
}
return bean;
}
protected ProcessorEndpoint createEndpoint(String uri, BeanProcessor processor) {
ProcessorEndpoint answer = new ProcessorEndpoint(uri, this, processor);
answer.setExchangePattern(ExchangePattern.InOut);
return answer;
}
protected ParameterMappingStrategy createParameterMappingStrategy() {
return BeanProcessor.createParameterMappingStrategy(getCamelContext());
}
}