152 lines
4.5 KiB
Java
152 lines
4.5 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.tomcat.websocket.server;
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import java.io.IOException;
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import java.net.URI;
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import java.util.concurrent.atomic.AtomicInteger;
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import javax.websocket.ClientEndpoint;
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import javax.websocket.ContainerProvider;
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import javax.websocket.OnMessage;
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import javax.websocket.OnOpen;
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import javax.websocket.Session;
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import javax.websocket.WebSocketContainer;
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import javax.websocket.server.ServerEndpoint;
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import org.junit.Assert;
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import org.junit.Test;
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import org.apache.catalina.Context;
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import org.apache.catalina.loader.WebappClassLoaderBase;
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import org.apache.catalina.servlets.DefaultServlet;
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import org.apache.catalina.startup.Tomcat;
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import org.apache.tomcat.websocket.WebSocketBaseTest;
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/**
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* Tests endpoint methods are called with the correct class loader.
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*/
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public class TestClassLoader extends WebSocketBaseTest {
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private static final String PASS = "PASS";
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private static final String FAIL = "FAIL";
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/*
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* Checks class loader for the server endpoint during onOpen and onMessage
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*/
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@Test
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public void testSimple() throws Exception {
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Tomcat tomcat = getTomcatInstance();
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// No file system docBase required
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Context ctx = tomcat.addContext("", null);
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ctx.addApplicationListener(Config.class.getName());
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Tomcat.addServlet(ctx, "default", new DefaultServlet());
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ctx.addServletMappingDecoded("/", "default");
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tomcat.start();
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WebSocketContainer wsContainer = ContainerProvider.getWebSocketContainer();
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Client client = new Client();
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Session wsSession = wsContainer.connectToServer(client,
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new URI("ws://localhost:" + getPort() + "/test"));
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Assert.assertTrue(wsSession.isOpen());
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// Wait up to 5s for a message
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int count = 0;
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while (count < 50 && client.getMsgCount() < 1) {
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Thread.sleep(100);
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}
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// Check it
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Assert.assertEquals(1, client.getMsgCount());
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Assert.assertFalse(client.hasFailed());
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wsSession.getBasicRemote().sendText("Testing");
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// Wait up to 5s for a message
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count = 0;
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while (count < 50 && client.getMsgCount() < 2) {
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Thread.sleep(100);
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}
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Assert.assertEquals(2, client.getMsgCount());
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Assert.assertFalse(client.hasFailed());
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wsSession.close();
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}
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@ClientEndpoint
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public static class Client {
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private final AtomicInteger msgCount = new AtomicInteger(0);
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private boolean failed = false;
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public boolean hasFailed() {
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return failed;
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}
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public int getMsgCount() {
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return msgCount.get();
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}
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@OnMessage
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public void onMessage(String msg) {
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if (!failed && !PASS.equals(msg)) {
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failed = true;
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}
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msgCount.incrementAndGet();
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}
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}
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@ServerEndpoint("/test")
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public static class ClassLoaderEndpoint {
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@OnOpen
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public void onOpen(Session session) throws IOException {
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if (Thread.currentThread().getContextClassLoader() instanceof WebappClassLoaderBase) {
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session.getBasicRemote().sendText(PASS);
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} else {
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session.getBasicRemote().sendText(FAIL);
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}
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}
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@OnMessage
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public String onMessage(@SuppressWarnings("unused") String msg) {
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if (Thread.currentThread().getContextClassLoader() instanceof WebappClassLoaderBase) {
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return PASS;
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} else {
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return FAIL;
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}
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}
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}
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public static class Config extends TesterEndpointConfig {
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@Override
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protected Class<?> getEndpointClass() {
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return ClassLoaderEndpoint.class;
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}
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}
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}
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