/*
* Copyright 2002-2009 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.annotation;
import java.lang.reflect.Method;
import org.springframework.beans.factory.ListableBeanFactory;
import org.springframework.integration.annotation.Transformer;
import org.springframework.integration.message.MessageHandler;
import org.springframework.integration.transformer.MessageTransformingHandler;
import org.springframework.integration.transformer.MethodInvokingTransformer;
import org.springframework.util.StringUtils;
/**
* Post-processor for Methods annotated with {@link Transformer @Transformer}.
*
* @author Mark Fisher
*/
public class TransformerAnnotationPostProcessor extends AbstractMethodAnnotationPostProcessor<Transformer> {
public TransformerAnnotationPostProcessor(ListableBeanFactory beanFactory) {
super(beanFactory);
}
@Override
protected MessageHandler createHandler(Object bean, Method method, Transformer annotation) {
MethodInvokingTransformer transformer = new MethodInvokingTransformer(bean, method);
MessageTransformingHandler handler = new MessageTransformingHandler(transformer);
String outputChannelName = annotation.outputChannel();
if (StringUtils.hasText(outputChannelName)) {
handler.setOutputChannel(this.channelResolver.resolveChannelName(outputChannelName));
}
return handler;
}
}
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