/*
* 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.config.annotation;
import static org.junit.Assert.assertEquals;
import java.util.Collections;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.springframework.integration.annotation.MessageEndpoint;
import org.springframework.integration.annotation.Router;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.integration.test.util.TestUtils.TestApplicationContext;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.GenericMessage;
/**
* @author Mark Fisher
* @author Artem Bilan
*/
public class RouterAnnotationPostProcessorTests {
private final TestApplicationContext context = TestUtils.createTestApplicationContext();
private final DirectChannel inputChannel = new DirectChannel();
private final QueueChannel outputChannel = new QueueChannel();
private final DirectChannel routingChannel = new DirectChannel();
private final QueueChannel integerChannel = new QueueChannel();
private final QueueChannel stringChannel = new QueueChannel();
@Before
public void init() {
context.registerChannel("input", inputChannel);
context.registerChannel("output", outputChannel);
context.registerChannel("routingChannel", routingChannel);
context.registerChannel("integerChannel", integerChannel);
context.registerChannel("stringChannel", stringChannel);
}
@Test
public void testRouter() {
MessagingAnnotationPostProcessor postProcessor = new MessagingAnnotationPostProcessor();
postProcessor.setBeanFactory(context.getBeanFactory());
postProcessor.afterPropertiesSet();
TestRouter testRouter = new TestRouter();
postProcessor.postProcessAfterInitialization(testRouter, "test");
context.refresh();
inputChannel.send(new GenericMessage<String>("foo"));
Message<?> replyMessage = outputChannel.receive(0);
assertEquals("foo", replyMessage.getPayload());
context.stop();
}
@Test
public void testRouterWithListParam() {
MessagingAnnotationPostProcessor postProcessor = new MessagingAnnotationPostProcessor();
postProcessor.setBeanFactory(context.getBeanFactory());
postProcessor.afterPropertiesSet();
TestRouter testRouter = new TestRouter();
postProcessor.postProcessAfterInitialization(testRouter, "test");
context.refresh();
routingChannel.send(new GenericMessage<>(Collections.singletonList("foo")));
Message<?> replyMessage = stringChannel.receive(0);
assertEquals(Collections.singletonList("foo"), replyMessage.getPayload());
// The SpEL ReflectiveMethodExecutor does a conversion of a single value to a List
routingChannel.send(new GenericMessage<Integer>(2));
replyMessage = integerChannel.receive(0);
assertEquals(2, replyMessage.getPayload());
context.stop();
}
@MessageEndpoint
public static class TestRouter {
@Router(inputChannel = "input", defaultOutputChannel = "output")
public String test(String s) {
return null;
}
@Router(inputChannel = "routingChannel")
public String route(List<?> payload) {
if (payload.size() == 0) {
return null;
}
if (payload.get(0) instanceof Integer) {
return "integerChannel";
}
else {
return "stringChannel";
}
}
}
}