1.1 --- a/ko-ws-tyrus/src/main/java/org/apidesign/html/wstyrus/TyrusContext.java Mon Dec 16 15:48:09 2013 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,190 +0,0 @@
1.4 -/**
1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 - *
1.7 - * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
1.8 - *
1.9 - * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
1.10 - * Other names may be trademarks of their respective owners.
1.11 - *
1.12 - * The contents of this file are subject to the terms of either the GNU
1.13 - * General Public License Version 2 only ("GPL") or the Common
1.14 - * Development and Distribution License("CDDL") (collectively, the
1.15 - * "License"). You may not use this file except in compliance with the
1.16 - * License. You can obtain a copy of the License at
1.17 - * http://www.netbeans.org/cddl-gplv2.html
1.18 - * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
1.19 - * specific language governing permissions and limitations under the
1.20 - * License. When distributing the software, include this License Header
1.21 - * Notice in each file and include the License file at
1.22 - * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
1.23 - * particular file as subject to the "Classpath" exception as provided
1.24 - * by Oracle in the GPL Version 2 section of the License file that
1.25 - * accompanied this code. If applicable, add the following below the
1.26 - * License Header, with the fields enclosed by brackets [] replaced by
1.27 - * your own identifying information:
1.28 - * "Portions Copyrighted [year] [name of copyright owner]"
1.29 - *
1.30 - * Contributor(s):
1.31 - *
1.32 - * The Original Software is NetBeans. The Initial Developer of the Original
1.33 - * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
1.34 - *
1.35 - * If you wish your version of this file to be governed by only the CDDL
1.36 - * or only the GPL Version 2, indicate your decision by adding
1.37 - * "[Contributor] elects to include this software in this distribution
1.38 - * under the [CDDL or GPL Version 2] license." If you do not indicate a
1.39 - * single choice of license, a recipient has the option to distribute
1.40 - * your version of this file under either the CDDL, the GPL Version 2 or
1.41 - * to extend the choice of license to its licensees as provided above.
1.42 - * However, if you add GPL Version 2 code and therefore, elected the GPL
1.43 - * Version 2 license, then the option applies only if the new code is
1.44 - * made subject to such option by the copyright holder.
1.45 - */
1.46 -package org.apidesign.html.wstyrus;
1.47 -
1.48 -import java.io.IOException;
1.49 -import java.net.URI;
1.50 -import java.net.URISyntaxException;
1.51 -import java.util.Iterator;
1.52 -import javax.websocket.ClientEndpoint;
1.53 -import javax.websocket.ContainerProvider;
1.54 -import javax.websocket.DeploymentException;
1.55 -import javax.websocket.OnClose;
1.56 -import javax.websocket.OnError;
1.57 -import javax.websocket.OnMessage;
1.58 -import javax.websocket.OnOpen;
1.59 -import javax.websocket.Session;
1.60 -import javax.websocket.WebSocketContainer;
1.61 -import net.java.html.json.OnReceive;
1.62 -import org.apidesign.html.context.spi.Contexts;
1.63 -import org.apidesign.html.json.spi.JSONCall;
1.64 -import org.apidesign.html.json.spi.WSTransfer;
1.65 -import org.apidesign.html.wstyrus.TyrusContext.Comm;
1.66 -import org.json.JSONArray;
1.67 -import org.json.JSONException;
1.68 -import org.json.JSONObject;
1.69 -import org.json.JSONTokener;
1.70 -import org.openide.util.lookup.ServiceProvider;
1.71 -
1.72 -/** This is an implementation module that provides support for
1.73 - * WebSocket protocol for {@link OnReceive} communication end point for
1.74 - * JDK7.
1.75 - * <p>
1.76 - * Don't deal with this module directly, rather use the
1.77 - * {@link OnReceive @OnReceive(url="ws://...", ...)} API to establish your
1.78 - * WebSocket connection.
1.79 - * <p>
1.80 - * There is no need to include this module in your application if you are
1.81 - * running on JDK8. JDK8 WebView provides its own implementation of the
1.82 - * WebSocket API based on WebSocket object inside a browser. This is included
1.83 - * in the <code>org.apidesign.html:ko-fx:0.5</code> module.
1.84 - *
1.85 - * @author Jaroslav Tulach <jtulach@netbeans.org>
1.86 - */
1.87 -@ServiceProvider(service = Contexts.Provider.class)
1.88 -public final class TyrusContext implements Contexts.Provider, WSTransfer<Comm> {
1.89 - @Override
1.90 - public void fillContext(Contexts.Builder context, Class<?> requestor) {
1.91 - // default WebSocket transfer implementation is registered
1.92 - // in ko-fx module with 100, provide this one as a fallback only
1.93 - context.register(WSTransfer.class, this, 1000);
1.94 - }
1.95 -
1.96 - @Override
1.97 - public Comm open(String url, JSONCall callback) {
1.98 - try {
1.99 - return new Comm(new URI(url), callback);
1.100 - } catch (URISyntaxException ex) {
1.101 - throw new IllegalStateException(ex);
1.102 - }
1.103 - }
1.104 -
1.105 - @Override
1.106 - public void send(Comm socket, JSONCall data) {
1.107 - socket.session.getAsyncRemote().sendText(data.getMessage());
1.108 - }
1.109 -
1.110 - @Override
1.111 - public void close(Comm socket) {
1.112 - try {
1.113 - final Session s = socket.session;
1.114 - if (s != null) {
1.115 - s.close();
1.116 - }
1.117 - } catch (IOException ex) {
1.118 - socket.callback.notifyError(ex);
1.119 - }
1.120 - }
1.121 -
1.122 - /** Implementation class in an implementation. Represents a {@link ClientEndpoint} of the
1.123 - * WebSocket channel. You are unlikely to get on hold of it.
1.124 - */
1.125 - @ClientEndpoint
1.126 - public static final class Comm {
1.127 - private final JSONCall callback;
1.128 - private Session session;
1.129 -
1.130 - Comm(final URI url, JSONCall callback) {
1.131 - this.callback = callback;
1.132 - try {
1.133 - final WebSocketContainer c = ContainerProvider.getWebSocketContainer();
1.134 - c.connectToServer(Comm.this, url);
1.135 - } catch (DeploymentException | IOException ex) {
1.136 - wasAnError(ex);
1.137 - }
1.138 - }
1.139 -
1.140 - @OnOpen
1.141 - public synchronized void open(Session s) {
1.142 - this.session = s;
1.143 - callback.notifySuccess(null);
1.144 - }
1.145 -
1.146 - @OnClose
1.147 - public void close() {
1.148 - this.session = null;
1.149 - callback.notifyError(null);
1.150 - }
1.151 -
1.152 - @OnMessage
1.153 - public void message(final String orig, Session s) {
1.154 - Object json;
1.155 - String data = orig.trim();
1.156 - try {
1.157 - JSONTokener tok = new JSONTokener(data);
1.158 - Object obj = data.startsWith("[") ? new JSONArray(tok) : new JSONObject(tok);
1.159 - json = convertToArray(obj);
1.160 - } catch (JSONException ex) {
1.161 - json = data;
1.162 - }
1.163 - callback.notifySuccess(json);
1.164 - }
1.165 -
1.166 - @OnError
1.167 - public void wasAnError(Throwable t) {
1.168 - callback.notifyError(t);
1.169 - }
1.170 -
1.171 - static Object convertToArray(Object o) throws JSONException {
1.172 - if (o instanceof JSONArray) {
1.173 - JSONArray ja = (JSONArray) o;
1.174 - Object[] arr = new Object[ja.length()];
1.175 - for (int i = 0; i < arr.length; i++) {
1.176 - arr[i] = convertToArray(ja.get(i));
1.177 - }
1.178 - return arr;
1.179 - } else if (o instanceof JSONObject) {
1.180 - JSONObject obj = (JSONObject) o;
1.181 - Iterator it = obj.keys();
1.182 - while (it.hasNext()) {
1.183 - String key = (String) it.next();
1.184 - obj.put(key, convertToArray(obj.get(key)));
1.185 - }
1.186 - return obj;
1.187 - } else {
1.188 - return o;
1.189 - }
1.190 - }
1.191 -
1.192 - } // end of Comm
1.193 -}