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244
test/org/apache/tomcat/websocket/TesterMessageCountClient.java
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244
test/org/apache/tomcat/websocket/TesterMessageCountClient.java
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/*
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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;
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import java.nio.ByteBuffer;
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import java.util.List;
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import java.util.Queue;
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import java.util.concurrent.CopyOnWriteArrayList;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.LinkedBlockingQueue;
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import javax.websocket.ClientEndpoint;
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import javax.websocket.CloseReason;
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import javax.websocket.Endpoint;
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import javax.websocket.EndpointConfig;
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import javax.websocket.MessageHandler;
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import javax.websocket.OnClose;
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import javax.websocket.OnError;
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import javax.websocket.OnOpen;
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import javax.websocket.Session;
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public class TesterMessageCountClient {
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public interface TesterEndpoint {
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void setLatch(CountDownLatch latch);
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}
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public static class TesterProgrammaticEndpoint
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extends Endpoint implements TesterEndpoint {
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private CountDownLatch latch = null;
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@Override
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public void setLatch(CountDownLatch latch) {
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this.latch = latch;
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}
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@Override
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public void onClose(Session session, CloseReason closeReason) {
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clearLatch();
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}
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@Override
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public void onError(Session session, Throwable throwable) {
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clearLatch();
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}
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private void clearLatch() {
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if (latch != null) {
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while (latch.getCount() > 0) {
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latch.countDown();
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}
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}
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}
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@Override
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public void onOpen(Session session, EndpointConfig config) {
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session.getUserProperties().put("endpoint", this);
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}
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}
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@ClientEndpoint
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public static class TesterAnnotatedEndpoint implements TesterEndpoint {
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private CountDownLatch latch = null;
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@Override
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public void setLatch(CountDownLatch latch) {
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this.latch = latch;
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}
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@OnClose
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public void onClose() {
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clearLatch();
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}
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@OnError
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public void onError(@SuppressWarnings("unused") Throwable throwable) {
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clearLatch();
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}
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private void clearLatch() {
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if (latch != null) {
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while (latch.getCount() > 0) {
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latch.countDown();
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}
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}
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}
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@OnOpen
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public void onOpen(Session session) {
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session.getUserProperties().put("endpoint", this);
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}
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}
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public abstract static class BasicHandler<T>
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implements MessageHandler.Whole<T> {
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private final CountDownLatch latch;
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private final Queue<T> messages = new LinkedBlockingQueue<>();
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public BasicHandler(CountDownLatch latch) {
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this.latch = latch;
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}
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public CountDownLatch getLatch() {
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return latch;
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}
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public Queue<T> getMessages() {
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return messages;
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}
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}
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public static class BasicBinary extends BasicHandler<ByteBuffer> {
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public BasicBinary(CountDownLatch latch) {
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super(latch);
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}
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@Override
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public void onMessage(ByteBuffer message) {
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getMessages().add(message);
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if (getLatch() != null) {
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getLatch().countDown();
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}
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}
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}
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public static class BasicText extends BasicHandler<String> {
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private final String expected;
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public BasicText(CountDownLatch latch) {
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this(latch, null);
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}
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public BasicText(CountDownLatch latch, String expected) {
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super(latch);
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this.expected = expected;
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}
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@Override
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public void onMessage(String message) {
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if (expected == null) {
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getMessages().add(message);
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} else {
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if (!expected.equals(message)) {
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throw new IllegalStateException(
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"Expected: [" + expected + "]\r\n" +
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"Was: [" + message + "]");
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}
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}
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if (getLatch() != null) {
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getLatch().countDown();
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}
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}
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}
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public static class SleepingText implements MessageHandler.Whole<String> {
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private final int sleep;
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public SleepingText(int sleep) {
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this.sleep = sleep;
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}
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@Override
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public void onMessage(String message) {
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try {
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Thread.sleep(sleep);
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} catch (InterruptedException e) {
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// Ignore
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}
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}
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}
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public abstract static class AsyncHandler<T>
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implements MessageHandler.Partial<T> {
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private final CountDownLatch latch;
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private final List<T> messages = new CopyOnWriteArrayList<>();
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public AsyncHandler(CountDownLatch latch) {
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this.latch = latch;
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}
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public CountDownLatch getLatch() {
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return latch;
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}
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public List<T> getMessages() {
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return messages;
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}
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}
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public static class AsyncBinary extends AsyncHandler<ByteBuffer> {
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public AsyncBinary(CountDownLatch latch) {
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super(latch);
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}
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@Override
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public void onMessage(ByteBuffer message, boolean last) {
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getMessages().add(message);
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if (last && getLatch() != null) {
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getLatch().countDown();
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}
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}
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}
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public static class AsyncText extends AsyncHandler<String> {
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public AsyncText(CountDownLatch latch) {
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super(latch);
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}
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@Override
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public void onMessage(String message, boolean last) {
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getMessages().add(message);
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if (last && getLatch() != null) {
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getLatch().countDown();
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}
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}
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}
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}
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