/*
* Copyright 2002-2017 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.handler;
import java.lang.reflect.Method;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.context.Lifecycle;
import org.springframework.core.convert.ConversionService;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.messaging.Message;
/**
* @author Mark Fisher
* @author Artem Bilan
* @author Gary Russell
*/
public class ServiceActivatingHandler extends AbstractReplyProducingMessageHandler implements Lifecycle {
private final MessageProcessor<?> processor;
public ServiceActivatingHandler(final Object object) {
this(new MethodInvokingMessageProcessor<Object>(object, ServiceActivator.class));
}
public ServiceActivatingHandler(Object object, Method method) {
this(new MethodInvokingMessageProcessor<Object>(object, method));
}
public ServiceActivatingHandler(Object object, String methodName) {
this(new MethodInvokingMessageProcessor<Object>(object, methodName));
}
public <T> ServiceActivatingHandler(MessageProcessor<T> processor) {
this.processor = processor;
}
@Override
public String getComponentType() {
return "service-activator";
}
@Override
protected void doInit() {
if (this.processor instanceof AbstractMessageProcessor) {
ConversionService conversionService = getConversionService();
if (conversionService != null) {
((AbstractMessageProcessor<?>) this.processor).setConversionService(conversionService);
}
}
if (this.processor instanceof BeanFactoryAware && this.getBeanFactory() != null) {
((BeanFactoryAware) this.processor).setBeanFactory(this.getBeanFactory());
}
}
@Override
public void start() {
if (this.processor instanceof Lifecycle) {
((Lifecycle) this.processor).start();
}
}
@Override
public void stop() {
if (this.processor instanceof Lifecycle) {
((Lifecycle) this.processor).stop();
}
}
@Override
public boolean isRunning() {
return !(this.processor instanceof Lifecycle) || ((Lifecycle) this.processor).isRunning();
}
@Override
protected Object handleRequestMessage(Message<?> message) {
return this.processor.processMessage(message);
}
@Override
public String toString() {
return "ServiceActivator for [" + this.processor + "]"
+ (this.getComponentName() == null ? "" : " (" + this.getComponentName() + ")");
}
}