/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.wsn;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.cxf.wsn.client.Consumer;
import org.apache.cxf.wsn.client.CreatePullPoint;
import org.apache.cxf.wsn.client.NotificationBroker;
import org.apache.cxf.wsn.client.Publisher;
import org.apache.cxf.wsn.client.PullPoint;
import org.apache.cxf.wsn.client.Registration;
import org.apache.cxf.wsn.client.Subscription;
import org.apache.cxf.wsn.services.JaxwsCreatePullPoint;
import org.apache.cxf.wsn.services.JaxwsNotificationBroker;
import org.apache.cxf.wsn.types.CustomType;
import org.apache.cxf.wsn.util.WSNHelper;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.oasis_open.docs.wsn.b_2.NotificationMessageHolderType;
import org.oasis_open.docs.wsn.b_2.TopicExpressionType;
public abstract class WsnBrokerTest extends Assert {
private boolean useExternal;
private ActiveMQConnectionFactory activemq;
private JaxwsNotificationBroker notificationBrokerServer;
private JaxwsCreatePullPoint createPullPointServer;
private NotificationBroker notificationBroker;
private CreatePullPoint createPullPoint;
private ClassLoader loader;
private int port1 = 8182;
private int port2;
protected abstract String getProviderImpl();
@Before
public void setUp() throws Exception {
loader = Thread.currentThread().getContextClassLoader();
String impl = getProviderImpl();
Thread.currentThread()
.setContextClassLoader(new FakeClassLoader(impl));
WSNHelper.getInstance().setClassLoader(false);
System.setProperty("javax.xml.ws.spi.Provider", impl);
port2 = getFreePort();
if (!useExternal) {
port1 = getFreePort();
int brokerPort = getFreePort();
activemq = new ActiveMQConnectionFactory("vm:(broker:(tcp://localhost:" + brokerPort
+ ")?persistent=false)");
notificationBrokerServer = new JaxwsNotificationBroker("WSNotificationBroker", activemq);
notificationBrokerServer.setAddress("http://localhost:" + port1 + "/wsn/NotificationBroker");
notificationBrokerServer.init();
createPullPointServer = new JaxwsCreatePullPoint("CreatePullPoint", activemq);
createPullPointServer.setAddress("http://localhost:" + port1 + "/wsn/CreatePullPoint");
createPullPointServer.init();
}
notificationBroker = new NotificationBroker("http://localhost:" + port1 + "/wsn/NotificationBroker");
createPullPoint = new CreatePullPoint("http://localhost:" + port1 + "/wsn/CreatePullPoint");
}
private int getFreePort() throws IOException {
ServerSocket socket = new ServerSocket(0);
int port = socket.getLocalPort();
socket.close();
return port;
}
@After
public void tearDown() throws Exception {
if (!useExternal) {
notificationBrokerServer.destroy();
createPullPointServer.destroy();
}
System.clearProperty("javax.xml.ws.spi.Provider");
Thread.currentThread()
.setContextClassLoader(loader);
WSNHelper.clearInstance();
}
@Test
public void testBroker() throws Exception {
TestConsumer callback = new TestConsumer();
Consumer consumer = new Consumer(callback, "http://localhost:" + port2 + "/test/consumer");
Subscription subscription = notificationBroker.subscribe(consumer, "myTopic");
synchronized (callback.notifications) {
notificationBroker.notify("myTopic",
new JAXBElement<String>(new QName("urn:test:org", "foo"),
String.class, "bar"));
callback.notifications.wait(1000000);
}
assertEquals(1, callback.notifications.size());
NotificationMessageHolderType message = callback.notifications.get(0);
assertEquals(WSNHelper.getInstance().getWSAAddress(subscription.getEpr()),
WSNHelper.getInstance().getWSAAddress(message.getSubscriptionReference()));
subscription.unsubscribe();
consumer.stop();
}
@Test
public void testPullPoint() throws Exception {
PullPoint pullPoint = createPullPoint.create();
Subscription subscription = notificationBroker.subscribe(pullPoint, "myTopic");
notificationBroker.notify("myTopic",
new JAXBElement<String>(new QName("urn:test:org", "foo"),
String.class, "bar"));
boolean received = false;
for (int i = 0; i < 50; i++) {
List<NotificationMessageHolderType> messages = pullPoint.getMessages(10);
if (!messages.isEmpty()) {
received = true;
break;
}
Thread.sleep(100);
}
assertTrue(received);
subscription.unsubscribe();
pullPoint.destroy();
}
@Test
public void testPublisher() throws Exception {
TestConsumer consumerCallback = new TestConsumer();
Consumer consumer = new Consumer(consumerCallback, "http://localhost:" + port2 + "/test/consumer");
Subscription subscription = notificationBroker.subscribe(consumer, "myTopic");
PublisherCallback publisherCallback = new PublisherCallback();
Publisher publisher = new Publisher(publisherCallback, "http://localhost:" + port2
+ "/test/publisher");
Registration registration = notificationBroker.registerPublisher(publisher, "myTopic");
synchronized (consumerCallback.notifications) {
notificationBroker.notify(publisher, "myTopic",
new JAXBElement<String>(new QName("urn:test:org", "foo"),
String.class, "bar"));
consumerCallback.notifications.wait(1000000);
}
assertEquals(1, consumerCallback.notifications.size());
NotificationMessageHolderType message = consumerCallback.notifications.get(0);
assertEquals(WSNHelper.getInstance().getWSAAddress(subscription.getEpr()),
WSNHelper.getInstance().getWSAAddress(message.getSubscriptionReference()));
assertEquals(WSNHelper.getInstance().getWSAAddress(publisher.getEpr()),
WSNHelper.getInstance().getWSAAddress(message.getProducerReference()));
subscription.unsubscribe();
registration.destroy();
publisher.stop();
consumer.stop();
}
@Test
public void testNullPublisherReference() throws Exception {
TestConsumer consumerCallback = new TestConsumer();
Consumer consumer = new Consumer(consumerCallback, "http://localhost:" + port2 + "/test/consumer");
Subscription subscription = notificationBroker.subscribe(consumer, "myTopicNullEPR");
Publisher publisher = new Publisher(null, null);
Registration registration = notificationBroker.registerPublisher(publisher, "myTopicNullEPR", false);
synchronized (consumerCallback.notifications) {
notificationBroker.notify(publisher, "myTopicNullEPR",
new JAXBElement<String>(new QName("urn:test:org", "foo"),
String.class, "bar"));
consumerCallback.notifications.wait(1000000);
}
assertEquals(1, consumerCallback.notifications.size());
NotificationMessageHolderType message = consumerCallback.notifications.get(0);
assertEquals(WSNHelper.getInstance().getWSAAddress(subscription.getEpr()),
WSNHelper.getInstance().getWSAAddress(message.getSubscriptionReference()));
subscription.unsubscribe();
registration.destroy();
publisher.stop();
consumer.stop();
}
@Test
public void testPublisherOnDemand() throws Exception {
TestConsumer consumerCallback = new TestConsumer();
Consumer consumer = new Consumer(consumerCallback, "http://localhost:" + port2 + "/test/consumer");
PublisherCallback publisherCallback = new PublisherCallback();
Publisher publisher = new Publisher(publisherCallback, "http://localhost:"
+ port2 + "/test/publisher");
Registration registration = notificationBroker.registerPublisher(publisher,
Arrays.asList("myTopic1",
"myTopic2"), true);
Subscription subscription = notificationBroker.subscribe(consumer, "myTopic1");
assertTrue(publisherCallback.subscribed.await(5, TimeUnit.SECONDS));
synchronized (consumerCallback.notifications) {
notificationBroker.notify(publisher, "myTopic1",
new JAXBElement<String>(new QName("urn:test:org", "foo"),
String.class, "bar"));
consumerCallback.notifications.wait(1000000);
}
subscription.unsubscribe();
assertTrue(publisherCallback.unsubscribed.await(5, TimeUnit.SECONDS));
registration.destroy();
publisher.stop();
consumer.stop();
}
@Test
public void testPublisherCustomType() throws Exception {
notificationBroker.setExtraClasses(CustomType.class);
TestConsumer consumerCallback = new TestConsumer();
Consumer consumer = new Consumer(consumerCallback,
"http://localhost:" + port2 + "/test/consumer",
CustomType.class);
Subscription subscription = notificationBroker.subscribe(consumer, "myTopic");
PublisherCallback publisherCallback = new PublisherCallback();
Publisher publisher = new Publisher(publisherCallback, "http://localhost:" + port2
+ "/test/publisher");
Registration registration = notificationBroker.registerPublisher(publisher, "myTopic");
synchronized (consumerCallback.notifications) {
notificationBroker.notify(publisher, "myTopic", new CustomType(1, 2));
consumerCallback.notifications.wait(1000000);
}
assertEquals(1, consumerCallback.notifications.size());
NotificationMessageHolderType message = consumerCallback.notifications.get(0);
assertEquals(WSNHelper.getInstance().getWSAAddress(subscription.getEpr()),
WSNHelper.getInstance().getWSAAddress(message.getSubscriptionReference()));
assertEquals(WSNHelper.getInstance().getWSAAddress(publisher.getEpr()),
WSNHelper.getInstance().getWSAAddress(message.getProducerReference()));
assertTrue(message.getMessage().getAny() instanceof CustomType);
subscription.unsubscribe();
registration.destroy();
publisher.stop();
consumer.stop();
}
public static class TestConsumer implements Consumer.Callback {
final List<NotificationMessageHolderType> notifications
= new ArrayList<NotificationMessageHolderType>();
public void notify(NotificationMessageHolderType message) {
synchronized (notifications) {
notifications.add(message);
notifications.notify();
}
}
}
public static class PublisherCallback implements Publisher.Callback {
final CountDownLatch subscribed = new CountDownLatch(1);
final CountDownLatch unsubscribed = new CountDownLatch(1);
public void subscribe(TopicExpressionType topic) {
subscribed.countDown();
}
public void unsubscribe(TopicExpressionType topic) {
unsubscribed.countDown();
}
}
protected static class FakeClassLoader extends URLClassLoader {
private final String provider;
public FakeClassLoader(String provider) {
super(new URL[0], FakeClassLoader.class.getClassLoader());
this.provider = provider;
}
@Override
public InputStream getResourceAsStream(String name) {
if ("META-INF/services/javax.xml.ws.spi.Provider".equals(name)) {
return provider != null ? new ByteArrayInputStream(provider.getBytes()) : null;
} else {
return super.getResourceAsStream(name);
}
}
@Override
public Enumeration<URL> getResources(String name) throws IOException {
if ("META-INF/services/javax.xml.ws.spi.Provider".equals(name)) {
return new Enumeration<URL>() {
public boolean hasMoreElements() {
return false;
}
public URL nextElement() {
throw new NoSuchElementException();
}
};
}
return super.getResources(name);
}
}
}