ko-ws-tyrus/src/main/java/org/apidesign/html/wstyrus/TyrusContext.java
branchnetbeans
changeset 362 92fb71afdc0e
parent 361 700087d2a5d3
child 364 2739565c7a45
     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 -}