/*
* Copyright 2002-2016 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.router;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertThat;
import org.junit.Test;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.context.support.StaticApplicationContext;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.core.DestinationResolver;
/**
* @author Mark Fisher
* @author Oleg Zhurakousky
* @author Gary Russell
*/
public class HeaderValueRouterTests {
@Test
public void channelAsHeaderValue() {
StaticApplicationContext context = new StaticApplicationContext();
RootBeanDefinition routerBeanDefinition = new RootBeanDefinition(HeaderValueRouter.class);
routerBeanDefinition.getConstructorArgumentValues().addGenericArgumentValue("testHeaderName");
routerBeanDefinition.getPropertyValues().addPropertyValue("resolutionRequired", "true");
context.registerBeanDefinition("router", routerBeanDefinition);
context.refresh();
MessageHandler handler = (MessageHandler) context.getBean("router");
QueueChannel testChannel = new QueueChannel();
Message<?> message = MessageBuilder.withPayload("test").setHeader("testHeaderName", testChannel).build();
handler.handleMessage(message);
Message<?> result = testChannel.receive(1000);
assertNotNull(result);
assertSame(message, result);
context.close();
}
@Test
public void resolveChannelNameFromContext() {
StaticApplicationContext context = new StaticApplicationContext();
RootBeanDefinition routerBeanDefinition = new RootBeanDefinition(HeaderValueRouter.class);
routerBeanDefinition.getConstructorArgumentValues().addGenericArgumentValue("testHeaderName");
routerBeanDefinition.getPropertyValues().addPropertyValue("resolutionRequired", "true");
context.registerBeanDefinition("router", routerBeanDefinition);
context.registerBeanDefinition("testChannel", new RootBeanDefinition(QueueChannel.class));
context.registerBeanDefinition("newChannel", new RootBeanDefinition(QueueChannel.class));
context.refresh();
MessageHandler handler = (MessageHandler) context.getBean("router");
Message<?> message = MessageBuilder.withPayload("test").setHeader("testHeaderName", "testChannel").build();
handler.handleMessage(message);
QueueChannel channel = (QueueChannel) context.getBean("testChannel");
Message<?> result = channel.receive(1000);
assertNotNull(result);
assertSame(message, result);
// validate dynamics
HeaderValueRouter router = (HeaderValueRouter) context.getBean("router");
router.setChannelMapping("testChannel", "newChannel");
router.handleMessage(message);
QueueChannel newChannel = (QueueChannel) context.getBean("newChannel");
result = newChannel.receive(10);
assertNotNull(result);
router.removeChannelMapping("testChannel");
router.handleMessage(message);
result = channel.receive(1000);
assertNotNull(result);
assertSame(message, result);
context.close();
}
@Test
@SuppressWarnings({ "unchecked", "rawtypes" })
public void resolveChannelNameFromMap() {
StaticApplicationContext context = new StaticApplicationContext();
ManagedMap channelMappings = new ManagedMap();
channelMappings.put("testKey", "testChannel");
RootBeanDefinition routerBeanDefinition = new RootBeanDefinition(HeaderValueRouter.class);
routerBeanDefinition.getConstructorArgumentValues().addGenericArgumentValue("testHeaderName");
routerBeanDefinition.getPropertyValues().addPropertyValue("resolutionRequired", "true");
routerBeanDefinition.getPropertyValues().addPropertyValue("channelMappings", channelMappings);
routerBeanDefinition.getPropertyValues().addPropertyValue("beanFactory", context);
context.registerBeanDefinition("router", routerBeanDefinition);
context.registerBeanDefinition("testChannel", new RootBeanDefinition(QueueChannel.class));
context.refresh();
MessageHandler handler = (MessageHandler) context.getBean("router");
Message<?> message = MessageBuilder.withPayload("test").setHeader("testHeaderName", "testKey").build();
handler.handleMessage(message);
QueueChannel channel = (QueueChannel) context.getBean("testChannel");
Message<?> result = channel.receive(1000);
assertNotNull(result);
assertSame(message, result);
context.close();
}
@Test
@SuppressWarnings({ "unchecked", "rawtypes" })
public void resolveChannelNameFromMapAndCustomeResolver() {
final StaticApplicationContext context = new StaticApplicationContext();
ManagedMap channelMappings = new ManagedMap();
channelMappings.put("testKey", "testChannel");
RootBeanDefinition routerBeanDefinition = new RootBeanDefinition(HeaderValueRouter.class);
routerBeanDefinition.getConstructorArgumentValues().addGenericArgumentValue("testHeaderName");
routerBeanDefinition.getPropertyValues().addPropertyValue("resolutionRequired", "true");
routerBeanDefinition.getPropertyValues().addPropertyValue("channelMappings", channelMappings);
routerBeanDefinition.getPropertyValues().addPropertyValue("beanFactory", context);
routerBeanDefinition.getPropertyValues().addPropertyValue("channelResolver",
(DestinationResolver<MessageChannel>) channelName -> context.getBean("anotherChannel",
MessageChannel.class));
context.registerBeanDefinition("router", routerBeanDefinition);
context.registerBeanDefinition("testChannel", new RootBeanDefinition(QueueChannel.class));
context.registerBeanDefinition("anotherChannel", new RootBeanDefinition(QueueChannel.class));
context.refresh();
MessageHandler handler = (MessageHandler) context.getBean("router");
Message<?> message = MessageBuilder.withPayload("test").setHeader("testHeaderName", "testKey").build();
handler.handleMessage(message);
QueueChannel channel = (QueueChannel) context.getBean("anotherChannel");
Message<?> result = channel.receive(1000);
assertNotNull(result);
assertSame(message, result);
context.close();
}
@Test
public void resolveMultipleChannelsWithStringArray() {
StaticApplicationContext context = new StaticApplicationContext();
RootBeanDefinition routerBeanDefinition = new RootBeanDefinition(HeaderValueRouter.class);
routerBeanDefinition.getConstructorArgumentValues().addGenericArgumentValue("testHeaderName");
routerBeanDefinition.getPropertyValues().addPropertyValue("resolutionRequired", "true");
context.registerBeanDefinition("router", routerBeanDefinition);
context.registerBeanDefinition("channel1", new RootBeanDefinition(QueueChannel.class));
context.registerBeanDefinition("channel2", new RootBeanDefinition(QueueChannel.class));
context.refresh();
MessageHandler handler = (MessageHandler) context.getBean("router");
String[] channels = new String[] { "channel1", "channel2" };
Message<?> message = MessageBuilder.withPayload("test").setHeader("testHeaderName", channels).build();
handler.handleMessage(message);
QueueChannel channel1 = (QueueChannel) context.getBean("channel1");
QueueChannel channel2 = (QueueChannel) context.getBean("channel2");
Message<?> result1 = channel1.receive(1000);
Message<?> result2 = channel2.receive(1000);
assertNotNull(result1);
assertNotNull(result2);
assertSame(message, result1);
assertSame(message, result2);
context.close();
}
@Test
public void resolveMultipleChannelsWithCommaDelimitedString() {
StaticApplicationContext context = new StaticApplicationContext();
RootBeanDefinition routerBeanDefinition = new RootBeanDefinition(HeaderValueRouter.class);
routerBeanDefinition.getConstructorArgumentValues().addGenericArgumentValue("testHeaderName");
routerBeanDefinition.getPropertyValues().addPropertyValue("resolutionRequired", "true");
context.registerBeanDefinition("router", routerBeanDefinition);
context.registerBeanDefinition("channel1", new RootBeanDefinition(QueueChannel.class));
context.registerBeanDefinition("channel2", new RootBeanDefinition(QueueChannel.class));
context.refresh();
MessageHandler handler = (MessageHandler) context.getBean("router");
String channels = "channel1, channel2";
Message<?> message = MessageBuilder.withPayload("test").setHeader("testHeaderName", channels).build();
handler.handleMessage(message);
QueueChannel channel1 = (QueueChannel) context.getBean("channel1");
QueueChannel channel2 = (QueueChannel) context.getBean("channel2");
Message<?> result1 = channel1.receive(1000);
Message<?> result2 = channel2.receive(1000);
assertNotNull(result1);
assertNotNull(result2);
assertSame(message, result1);
assertSame(message, result2);
context.close();
}
@Test
public void dynamicChannelCache() {
StaticApplicationContext context = new StaticApplicationContext();
RootBeanDefinition routerBeanDefinition = new RootBeanDefinition(HeaderValueRouter.class);
routerBeanDefinition.getConstructorArgumentValues().addGenericArgumentValue("testHeaderName");
routerBeanDefinition.getPropertyValues().addPropertyValue("resolutionRequired", "true");
routerBeanDefinition.getPropertyValues().addPropertyValue("dynamicChannelLimit", "2");
context.registerBeanDefinition("router", routerBeanDefinition);
context.registerBeanDefinition("channel1", new RootBeanDefinition(QueueChannel.class));
context.registerBeanDefinition("channel2", new RootBeanDefinition(QueueChannel.class));
context.registerBeanDefinition("channel3", new RootBeanDefinition(QueueChannel.class));
context.refresh();
MessageHandler handler = (MessageHandler) context.getBean("router");
String channels = "channel1, channel2, channel1, channel3";
Message<?> message = MessageBuilder.withPayload("test").setHeader("testHeaderName", channels).build();
handler.handleMessage(message);
QueueChannel channel1 = (QueueChannel) context.getBean("channel1");
QueueChannel channel2 = (QueueChannel) context.getBean("channel2");
QueueChannel channel3 = (QueueChannel) context.getBean("channel3");
assertThat(channel1.getQueueSize(), equalTo(2));
assertThat(channel2.getQueueSize(), equalTo(1));
assertThat(channel3.getQueueSize(), equalTo(1));
assertThat(context.getBean(HeaderValueRouter.class).getDynamicChannelNames(), contains("channel1", "channel3"));
context.close();
}
}