/*
* Copyright 2002-2010 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.endpoint;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertSame;
import java.util.Date;
import org.junit.Test;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.gateway.RequestReplyExchanger;
import org.springframework.integration.handler.ServiceActivatingHandler;
import org.springframework.messaging.Message;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.GenericMessage;
/**
* @author Mark Fisher
*/
public class ServiceActivatorMethodResolutionTests {
@Test
public void singleAnnotationMatches() {
SingleAnnotationTestBean testBean = new SingleAnnotationTestBean();
ServiceActivatingHandler serviceActivator = new ServiceActivatingHandler(testBean);
QueueChannel outputChannel = new QueueChannel();
serviceActivator.setOutputChannel(outputChannel);
serviceActivator.handleMessage(new GenericMessage<String>("foo"));
Message<?> result = outputChannel.receive(0);
assertEquals("FOO", result.getPayload());
}
@Test(expected = IllegalArgumentException.class)
public void multipleAnnotationFails() {
MultipleAnnotationTestBean testBean = new MultipleAnnotationTestBean();
new ServiceActivatingHandler(testBean);
}
@Test
public void singlePublicMethodMatches() {
SinglePublicMethodTestBean testBean = new SinglePublicMethodTestBean();
ServiceActivatingHandler serviceActivator = new ServiceActivatingHandler(testBean);
QueueChannel outputChannel = new QueueChannel();
serviceActivator.setOutputChannel(outputChannel);
serviceActivator.handleMessage(new GenericMessage<String>("foo"));
Message<?> result = outputChannel.receive(0);
assertEquals("FOO", result.getPayload());
}
@Test(expected = IllegalArgumentException.class)
public void multiplePublicMethodFails() {
MultiplePublicMethodTestBean testBean = new MultiplePublicMethodTestBean();
new ServiceActivatingHandler(testBean);
}
@Test
public void testRequestReplyExchanger() {
RequestReplyExchanger testBean = new RequestReplyExchanger() {
@Override
public Message<?> exchange(Message<?> request) {
return request;
}
};
final Message<?> test = new GenericMessage<Object>("foo");
ServiceActivatingHandler serviceActivator = new ServiceActivatingHandler(testBean) {
@Override
protected Object handleRequestMessage(Message<?> message) {
Object o = super.handleRequestMessage(message);
assertSame(test, o);
return null;
}
};
serviceActivator.handleMessage(test);
}
@Test
/*
* A handler and message handler fallback (RRE); don't force RRE
*/
public void testRequestReplyExchangerSeveralMethods() {
RequestReplyExchanger testBean = new RequestReplyExchanger() {
@Override
public Message<?> exchange(Message<?> request) {
return request;
}
@SuppressWarnings("unused")
public String foo(String request) {
return request.toUpperCase();
}
};
ServiceActivatingHandler serviceActivator = new ServiceActivatingHandler(testBean);
PollableChannel outputChannel = new QueueChannel();
serviceActivator.setOutputChannel(outputChannel);
Message<?> test = new GenericMessage<Object>(new Date());
serviceActivator.handleMessage(test);
assertEquals(test, outputChannel.receive(10));
test = new GenericMessage<Object>("foo");
serviceActivator.handleMessage(test);
assertEquals("FOO", outputChannel.receive(10).getPayload());
}
@Test
/*
* No handler fallback methods; don't force RRE
*/
public void testRequestReplyExchangerWithGenericMessageMethod() {
RequestReplyExchanger testBean = new RequestReplyExchanger() {
@Override
public Message<?> exchange(Message<?> request) {
return request;
}
@SuppressWarnings("unused")
public String foo(Message<String> request) {
return request.getPayload().toUpperCase();
}
};
ServiceActivatingHandler serviceActivator = new ServiceActivatingHandler(testBean);
PollableChannel outputChannel = new QueueChannel();
serviceActivator.setOutputChannel(outputChannel);
Message<?> test = new GenericMessage<Object>(new Date());
serviceActivator.handleMessage(test);
assertEquals(test, outputChannel.receive(10));
test = new GenericMessage<Object>("foo");
serviceActivator.handleMessage(test);
assertEquals("FOO", outputChannel.receive(10).getPayload());
}
@Test
/*
* No handler fallback methods; ambiguous message handler fallbacks; force RRE
*/
public void testRequestReplyExchangerWithAmbiguousGenericMessageMethod() {
RequestReplyExchanger testBean = new RequestReplyExchanger() {
@Override
public Message<?> exchange(Message<?> request) {
return request;
}
@SuppressWarnings("unused")
public String foo(Message<String> request) {
return request.getPayload().toUpperCase();
}
@SuppressWarnings("unused")
public String bar(Message<String> request) {
return request.getPayload().toUpperCase();
}
};
ServiceActivatingHandler serviceActivator = new ServiceActivatingHandler(testBean);
PollableChannel outputChannel = new QueueChannel();
serviceActivator.setOutputChannel(outputChannel);
Message<?> test = new GenericMessage<Object>(new Date());
serviceActivator.handleMessage(test);
assertEquals(test, outputChannel.receive(10));
test = new GenericMessage<Object>("foo");
serviceActivator.handleMessage(test);
assertNotEquals("FOO", outputChannel.receive(10).getPayload());
}
@Test
/*
* One message handler fallback method (RRE); ambiguous handler fallbacks; force RRE
*/
public void testRequestReplyExchangerWithAmbiguousMethod() {
RequestReplyExchanger testBean = new RequestReplyExchanger() {
@Override
public Message<?> exchange(Message<?> request) {
return request;
}
@SuppressWarnings("unused")
public String foo(String request) {
return request.toUpperCase();
}
@SuppressWarnings("unused")
public String bar(String request) {
return request.toUpperCase();
}
};
ServiceActivatingHandler serviceActivator = new ServiceActivatingHandler(testBean);
PollableChannel outputChannel = new QueueChannel();
serviceActivator.setOutputChannel(outputChannel);
Message<?> test = new GenericMessage<Object>(new Date());
serviceActivator.handleMessage(test);
assertEquals(test, outputChannel.receive(10));
test = new GenericMessage<Object>("foo");
serviceActivator.handleMessage(test);
assertNotEquals("FOO", outputChannel.receive(10).getPayload());
}
@SuppressWarnings("unused")
private static class SingleAnnotationTestBean {
SingleAnnotationTestBean() {
super();
}
@ServiceActivator
public String upperCase(String s) {
return s.toUpperCase();
}
public String lowerCase(String s) {
return s.toLowerCase();
}
}
private static class MultipleAnnotationTestBean {
MultipleAnnotationTestBean() {
super();
}
@ServiceActivator
public String upperCase(String s) {
return s.toUpperCase();
}
@ServiceActivator
public String lowerCase(String s) {
return s.toLowerCase();
}
}
@SuppressWarnings("unused")
private static class SinglePublicMethodTestBean {
SinglePublicMethodTestBean() {
super();
}
public String upperCase(String s) {
return s.toUpperCase();
}
String lowerCase(String s) {
return s.toLowerCase();
}
}
@SuppressWarnings("unused")
private static class MultiplePublicMethodTestBean {
MultiplePublicMethodTestBean() {
super();
}
public String upperCase(String s) {
return s.toUpperCase();
}
public String lowerCase(String s) {
return s.toLowerCase();
}
}
}