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/*
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* Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.net.http.WebSocket;
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import java.nio.ByteBuffer;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Objects;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.CompletionStage;
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import java.util.function.Predicate;
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public class MockListener implements WebSocket.Listener {
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private final long bufferSize;
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private long count;
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private final List<Invocation> invocations = new ArrayList<>();
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private final CompletableFuture<?> lastCall = new CompletableFuture<>();
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private final Predicate<? super Invocation> collectUntil;
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public MockListener() {
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this(1, MockListener::closeOrError);
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}
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public MockListener(long bufferSize) {
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this(bufferSize, MockListener::closeOrError);
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}
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public MockListener(Predicate<? super Invocation> collectUntil) {
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this(1, collectUntil);
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}
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/*
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* Typical buffer sizes: 1, n, Long.MAX_VALUE
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*/
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public MockListener(long bufferSize,
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Predicate<? super Invocation> collectUntil) {
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if (bufferSize < 1) {
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throw new IllegalArgumentException();
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}
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Objects.requireNonNull(collectUntil);
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this.bufferSize = bufferSize;
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this.collectUntil = collectUntil;
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}
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private static boolean closeOrError(Invocation i) {
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return i instanceof OnClose || i instanceof OnError;
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}
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@Override
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public void onOpen(WebSocket webSocket) {
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System.out.printf("onOpen(%s)%n", webSocket);
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OnOpen inv = new OnOpen(webSocket);
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synchronized (invocations) {
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invocations.add(inv);
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}
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if (collectUntil.test(inv)) {
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lastCall.complete(null);
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}
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onOpen0(webSocket);
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}
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protected void onOpen0(WebSocket webSocket) {
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count = bufferSize - bufferSize / 2;
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System.out.printf("request(%d)%n", bufferSize);
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webSocket.request(bufferSize);
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}
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@Override
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public CompletionStage<?> onText(WebSocket webSocket,
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CharSequence message,
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boolean last) {
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System.out.printf("onText(%s, message.length=%s, %s)%n", webSocket, message.length(), last);
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OnText inv = new OnText(webSocket, message.toString(), last);
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synchronized (invocations) {
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invocations.add(inv);
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}
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if (collectUntil.test(inv)) {
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lastCall.complete(null);
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}
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return onText0(webSocket, message, last);
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}
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protected CompletionStage<?> onText0(WebSocket webSocket,
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CharSequence message,
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boolean last) {
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replenish(webSocket);
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return null;
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}
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@Override
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public CompletionStage<?> onBinary(WebSocket webSocket,
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ByteBuffer message,
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boolean last) {
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System.out.printf("onBinary(%s, %s, %s)%n", webSocket, message, last);
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OnBinary inv = new OnBinary(webSocket, fullCopy(message), last);
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synchronized (invocations) {
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invocations.add(inv);
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}
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if (collectUntil.test(inv)) {
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lastCall.complete(null);
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}
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return onBinary0(webSocket, message, last);
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}
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protected CompletionStage<?> onBinary0(WebSocket webSocket,
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ByteBuffer message,
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boolean last) {
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replenish(webSocket);
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return null;
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}
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@Override
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public CompletionStage<?> onPing(WebSocket webSocket, ByteBuffer message) {
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System.out.printf("onPing(%s, %s)%n", webSocket, message);
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OnPing inv = new OnPing(webSocket, fullCopy(message));
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synchronized (invocations) {
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invocations.add(inv);
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}
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if (collectUntil.test(inv)) {
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lastCall.complete(null);
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}
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return onPing0(webSocket, message);
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}
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protected CompletionStage<?> onPing0(WebSocket webSocket, ByteBuffer message) {
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replenish(webSocket);
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return null;
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}
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@Override
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public CompletionStage<?> onPong(WebSocket webSocket, ByteBuffer message) {
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System.out.printf("onPong(%s, %s)%n", webSocket, message);
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OnPong inv = new OnPong(webSocket, fullCopy(message));
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synchronized (invocations) {
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invocations.add(inv);
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}
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if (collectUntil.test(inv)) {
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lastCall.complete(null);
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}
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return onPong0(webSocket, message);
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}
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protected CompletionStage<?> onPong0(WebSocket webSocket, ByteBuffer message) {
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replenish(webSocket);
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return null;
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}
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@Override
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public CompletionStage<?> onClose(WebSocket webSocket,
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int statusCode,
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String reason) {
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System.out.printf("onClose(%s, %s, %s)%n", webSocket, statusCode, reason);
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OnClose inv = new OnClose(webSocket, statusCode, reason);
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synchronized (invocations) {
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invocations.add(inv);
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}
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if (collectUntil.test(inv)) {
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lastCall.complete(null);
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}
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return onClose0(webSocket, statusCode, reason);
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}
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protected CompletionStage<?> onClose0(WebSocket webSocket,
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int statusCode,
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String reason) {
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return null;
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}
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@Override
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public void onError(WebSocket webSocket, Throwable error) {
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System.out.printf("onError(%s, %s)%n", webSocket, error);
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error.printStackTrace(System.out);
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OnError inv = new OnError(webSocket, error == null ? null : error.getClass());
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synchronized (invocations) {
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invocations.add(inv);
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}
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if (collectUntil.test(inv)) {
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lastCall.complete(null);
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}
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onError0(webSocket, error);
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}
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protected void onError0(WebSocket webSocket, Throwable error) { }
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public List<Invocation> invocationsSoFar() {
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synchronized (invocations) {
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return new ArrayList<>(invocations);
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}
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}
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public List<Invocation> invocations() {
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lastCall.join();
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synchronized (invocations) {
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return new ArrayList<>(invocations);
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}
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}
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protected void replenish(WebSocket webSocket) {
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if (--count <= 0) {
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count = bufferSize - bufferSize / 2;
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webSocket.request(count);
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System.out.printf("request(%d)%n", count);
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}
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}
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public abstract static class Invocation {
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public static OnOpen onOpen(WebSocket webSocket) {
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return new OnOpen(webSocket);
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}
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public static OnText onText(WebSocket webSocket,
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String text,
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boolean last) {
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return new OnText(webSocket, text, last);
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}
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public static OnBinary onBinary(WebSocket webSocket,
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ByteBuffer data,
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boolean last) {
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return new OnBinary(webSocket, data, last);
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}
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public static OnPing onPing(WebSocket webSocket,
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ByteBuffer data) {
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return new OnPing(webSocket, data);
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}
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public static OnPong onPong(WebSocket webSocket,
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ByteBuffer data) {
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return new OnPong(webSocket, data);
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}
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public static OnClose onClose(WebSocket webSocket,
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int statusCode,
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String reason) {
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return new OnClose(webSocket, statusCode, reason);
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}
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public static OnError onError(WebSocket webSocket,
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Class<? extends Throwable> clazz) {
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return new OnError(webSocket, clazz);
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}
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final WebSocket webSocket;
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private Invocation(WebSocket webSocket) {
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this.webSocket = webSocket;
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}
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}
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public static final class OnOpen extends Invocation {
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public OnOpen(WebSocket webSocket) {
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super(webSocket);
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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Invocation that = (Invocation) o;
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return Objects.equals(webSocket, that.webSocket);
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}
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@Override
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public int hashCode() {
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return Objects.hashCode(webSocket);
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}
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@Override
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public String toString() {
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return String.format("onOpen(%s)", webSocket);
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}
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}
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public static final class OnText extends Invocation {
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final String text;
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final boolean last;
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public OnText(WebSocket webSocket, String text, boolean last) {
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super(webSocket);
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this.text = text;
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this.last = last;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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OnText onText = (OnText) o;
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return Objects.equals(text, onText.text) &&
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last == onText.last &&
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Objects.equals(webSocket, onText.webSocket);
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}
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@Override
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public int hashCode() {
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return Objects.hash(text, last, webSocket);
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}
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@Override
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public String toString() {
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return String.format("onText(%s, message.length=%s, %s)", webSocket, text.length(), last);
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}
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}
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public static final class OnBinary extends Invocation {
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final ByteBuffer data;
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final boolean last;
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public OnBinary(WebSocket webSocket, ByteBuffer data, boolean last) {
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super(webSocket);
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this.data = data;
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this.last = last;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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OnBinary onBinary = (OnBinary) o;
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return Objects.equals(data, onBinary.data) &&
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last == onBinary.last &&
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Objects.equals(webSocket, onBinary.webSocket);
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}
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@Override
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public int hashCode() {
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return Objects.hash(data, last, webSocket);
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}
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@Override
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public String toString() {
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return String.format("onBinary(%s, %s, %s)", webSocket, data, last);
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}
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}
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public static final class OnPing extends Invocation {
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final ByteBuffer data;
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public OnPing(WebSocket webSocket, ByteBuffer data) {
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super(webSocket);
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this.data = data;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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OnPing onPing = (OnPing) o;
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return Objects.equals(data, onPing.data) &&
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Objects.equals(webSocket, onPing.webSocket);
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}
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@Override
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public int hashCode() {
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return Objects.hash(data, webSocket);
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}
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@Override
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public String toString() {
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return String.format("onPing(%s, %s)", webSocket, data);
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}
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}
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public static final class OnPong extends Invocation {
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final ByteBuffer data;
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public OnPong(WebSocket webSocket, ByteBuffer data) {
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super(webSocket);
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this.data = data;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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OnPong onPong = (OnPong) o;
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return Objects.equals(data, onPong.data) &&
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Objects.equals(webSocket, onPong.webSocket);
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}
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@Override
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public int hashCode() {
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return Objects.hash(data, webSocket);
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}
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@Override
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public String toString() {
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return String.format("onPong(%s, %s)", webSocket, data);
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}
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}
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public static final class OnClose extends Invocation {
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final int statusCode;
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final String reason;
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public OnClose(WebSocket webSocket, int statusCode, String reason) {
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super(webSocket);
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this.statusCode = statusCode;
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this.reason = reason;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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OnClose onClose = (OnClose) o;
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return statusCode == onClose.statusCode &&
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Objects.equals(reason, onClose.reason) &&
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Objects.equals(webSocket, onClose.webSocket);
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}
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@Override
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public int hashCode() {
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return Objects.hash(statusCode, reason, webSocket);
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}
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@Override
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public String toString() {
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|
448 |
return String.format("onClose(%s, %s, %s)", webSocket, statusCode, reason);
|
|
449 |
}
|
|
450 |
}
|
|
451 |
|
|
452 |
public static final class OnError extends Invocation {
|
|
453 |
|
|
454 |
final Class<? extends Throwable> clazz;
|
|
455 |
|
|
456 |
public OnError(WebSocket webSocket, Class<? extends Throwable> clazz) {
|
|
457 |
super(webSocket);
|
|
458 |
this.clazz = clazz;
|
|
459 |
}
|
|
460 |
|
|
461 |
@Override
|
|
462 |
public boolean equals(Object o) {
|
|
463 |
if (this == o) return true;
|
|
464 |
if (o == null || getClass() != o.getClass()) return false;
|
|
465 |
OnError onError = (OnError) o;
|
|
466 |
return Objects.equals(clazz, onError.clazz) &&
|
|
467 |
Objects.equals(webSocket, onError.webSocket);
|
|
468 |
}
|
|
469 |
|
|
470 |
@Override
|
|
471 |
public int hashCode() {
|
|
472 |
return Objects.hash(clazz, webSocket);
|
|
473 |
}
|
|
474 |
|
|
475 |
@Override
|
|
476 |
public String toString() {
|
|
477 |
return String.format("onError(%s, %s)", webSocket, clazz);
|
|
478 |
}
|
|
479 |
}
|
|
480 |
|
|
481 |
private static ByteBuffer fullCopy(ByteBuffer src) {
|
|
482 |
ByteBuffer copy = ByteBuffer.allocate(src.capacity());
|
|
483 |
int p = src.position();
|
|
484 |
int l = src.limit();
|
|
485 |
src.clear();
|
|
486 |
copy.put(src).position(p).limit(l);
|
|
487 |
src.position(p).limit(l);
|
|
488 |
return copy;
|
|
489 |
}
|
|
490 |
}
|