jaroslav@247
|
1 |
/**
|
jaroslav@358
|
2 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
|
jaroslav@247
|
3 |
*
|
jaroslav@551
|
4 |
* Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.
|
jaroslav@247
|
5 |
*
|
jaroslav@358
|
6 |
* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
|
jaroslav@358
|
7 |
* Other names may be trademarks of their respective owners.
|
jaroslav@247
|
8 |
*
|
jaroslav@358
|
9 |
* The contents of this file are subject to the terms of either the GNU
|
jaroslav@358
|
10 |
* General Public License Version 2 only ("GPL") or the Common
|
jaroslav@358
|
11 |
* Development and Distribution License("CDDL") (collectively, the
|
jaroslav@358
|
12 |
* "License"). You may not use this file except in compliance with the
|
jaroslav@358
|
13 |
* License. You can obtain a copy of the License at
|
jaroslav@358
|
14 |
* http://www.netbeans.org/cddl-gplv2.html
|
jaroslav@358
|
15 |
* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
|
jaroslav@358
|
16 |
* specific language governing permissions and limitations under the
|
jaroslav@358
|
17 |
* License. When distributing the software, include this License Header
|
jaroslav@358
|
18 |
* Notice in each file and include the License file at
|
jaroslav@358
|
19 |
* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
|
jaroslav@358
|
20 |
* particular file as subject to the "Classpath" exception as provided
|
jaroslav@358
|
21 |
* by Oracle in the GPL Version 2 section of the License file that
|
jaroslav@358
|
22 |
* accompanied this code. If applicable, add the following below the
|
jaroslav@358
|
23 |
* License Header, with the fields enclosed by brackets [] replaced by
|
jaroslav@358
|
24 |
* your own identifying information:
|
jaroslav@358
|
25 |
* "Portions Copyrighted [year] [name of copyright owner]"
|
jaroslav@358
|
26 |
*
|
jaroslav@358
|
27 |
* Contributor(s):
|
jaroslav@358
|
28 |
*
|
jaroslav@358
|
29 |
* The Original Software is NetBeans. The Initial Developer of the Original
|
jaroslav@551
|
30 |
* Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
|
jaroslav@358
|
31 |
*
|
jaroslav@358
|
32 |
* If you wish your version of this file to be governed by only the CDDL
|
jaroslav@358
|
33 |
* or only the GPL Version 2, indicate your decision by adding
|
jaroslav@358
|
34 |
* "[Contributor] elects to include this software in this distribution
|
jaroslav@358
|
35 |
* under the [CDDL or GPL Version 2] license." If you do not indicate a
|
jaroslav@358
|
36 |
* single choice of license, a recipient has the option to distribute
|
jaroslav@358
|
37 |
* your version of this file under either the CDDL, the GPL Version 2 or
|
jaroslav@358
|
38 |
* to extend the choice of license to its licensees as provided above.
|
jaroslav@358
|
39 |
* However, if you add GPL Version 2 code and therefore, elected the GPL
|
jaroslav@358
|
40 |
* Version 2 license, then the option applies only if the new code is
|
jaroslav@358
|
41 |
* made subject to such option by the copyright holder.
|
jaroslav@247
|
42 |
*/
|
jaroslav@442
|
43 |
package org.netbeans.html.ko4j;
|
jaroslav@247
|
44 |
|
jaroslav@247
|
45 |
import net.java.html.js.JavaScriptBody;
|
jaroslav@247
|
46 |
import org.apidesign.html.json.spi.JSONCall;
|
jaroslav@247
|
47 |
|
jaroslav@446
|
48 |
/** Communication with WebSockets via browser's WebSocket object.
|
jaroslav@247
|
49 |
*
|
jaroslav@247
|
50 |
* @author Jaroslav Tulach <jtulach@netbeans.org>
|
jaroslav@247
|
51 |
*/
|
jaroslav@247
|
52 |
final class LoadWS {
|
jaroslav@247
|
53 |
private final Object ws;
|
jaroslav@247
|
54 |
private final JSONCall call;
|
jaroslav@258
|
55 |
LoadWS(JSONCall first, String url) {
|
jaroslav@247
|
56 |
call = first;
|
jaroslav@247
|
57 |
ws = initWebSocket(this, url);
|
jaroslav@258
|
58 |
if (ws == null) {
|
jaroslav@258
|
59 |
first.notifyError(new IllegalArgumentException("Wrong URL: " + url));
|
jaroslav@250
|
60 |
}
|
jaroslav@247
|
61 |
}
|
jaroslav@247
|
62 |
|
jaroslav@258
|
63 |
void send(JSONCall call) {
|
jaroslav@258
|
64 |
push(call);
|
jaroslav@258
|
65 |
}
|
jaroslav@258
|
66 |
|
jaroslav@247
|
67 |
private synchronized void push(JSONCall call) {
|
jaroslav@258
|
68 |
send(ws, call.getMessage());
|
jaroslav@247
|
69 |
}
|
jaroslav@247
|
70 |
|
jaroslav@250
|
71 |
void onOpen(Object ev) {
|
jaroslav@250
|
72 |
if (!call.isDoOutput()) {
|
jaroslav@250
|
73 |
call.notifySuccess(null);
|
jaroslav@250
|
74 |
}
|
jaroslav@247
|
75 |
}
|
jaroslav@247
|
76 |
|
jaroslav@446
|
77 |
|
jaroslav@446
|
78 |
@JavaScriptBody(args = { "data" }, body = "try {\n"
|
jaroslav@446
|
79 |
+ " return eval('(' + data + ')');\n"
|
jaroslav@446
|
80 |
+ " } catch (error) {;\n"
|
jaroslav@446
|
81 |
+ " return data;\n"
|
jaroslav@446
|
82 |
+ " }\n"
|
jaroslav@446
|
83 |
)
|
jaroslav@446
|
84 |
private static native Object toJSON(String data);
|
jaroslav@446
|
85 |
|
jaroslav@247
|
86 |
void onMessage(Object ev, String data) {
|
jaroslav@446
|
87 |
Object json = toJSON(data);
|
jaroslav@247
|
88 |
call.notifySuccess(json);
|
jaroslav@247
|
89 |
}
|
jaroslav@247
|
90 |
|
jaroslav@247
|
91 |
void onError(Object ev) {
|
jaroslav@247
|
92 |
call.notifyError(new Exception(ev.toString()));
|
jaroslav@247
|
93 |
}
|
jaroslav@247
|
94 |
|
jaroslav@250
|
95 |
void onClose(boolean wasClean, int code, String reason) {
|
jaroslav@250
|
96 |
call.notifyError(null);
|
jaroslav@250
|
97 |
}
|
jaroslav@258
|
98 |
|
jaroslav@247
|
99 |
@JavaScriptBody(args = { "back", "url" }, javacall = true, body = ""
|
jaroslav@446
|
100 |
+ "if (window.WebSocket) {\n"
|
jaroslav@446
|
101 |
+ " try {\n"
|
jaroslav@446
|
102 |
+ " var ws = new window.WebSocket(url);\n"
|
jaroslav@446
|
103 |
+ " ws.onopen = function(ev) {\n"
|
jaroslav@446
|
104 |
+ " back.@org.netbeans.html.ko4j.LoadWS::onOpen(Ljava/lang/Object;)(ev);\n"
|
jaroslav@446
|
105 |
+ " };\n"
|
jaroslav@446
|
106 |
+ " ws.onmessage = function(ev) {\n"
|
jaroslav@446
|
107 |
+ " back.@org.netbeans.html.ko4j.LoadWS::onMessage(Ljava/lang/Object;Ljava/lang/String;)(ev, ev.data);\n"
|
jaroslav@446
|
108 |
+ " };\n"
|
jaroslav@446
|
109 |
+ " ws.onerror = function(ev) {\n"
|
jaroslav@446
|
110 |
+ " back.@org.netbeans.html.ko4j.LoadWS::onError(Ljava/lang/Object;)(ev);\n"
|
jaroslav@446
|
111 |
+ " };\n"
|
jaroslav@446
|
112 |
+ " ws.onclose = function(ev) {\n"
|
jaroslav@446
|
113 |
+ " back.@org.netbeans.html.ko4j.LoadWS::onClose(ZILjava/lang/String;)(ev.wasClean, ev.code, ev.reason);\n"
|
jaroslav@446
|
114 |
+ " };\n"
|
jaroslav@446
|
115 |
+ " return ws;\n"
|
jaroslav@446
|
116 |
+ " } catch (ex) {\n"
|
jaroslav@446
|
117 |
+ " return null;\n"
|
jaroslav@446
|
118 |
+ " }\n"
|
jaroslav@446
|
119 |
+ "} else {\n"
|
jaroslav@446
|
120 |
+ " return null;\n"
|
jaroslav@446
|
121 |
+ "}\n"
|
jaroslav@247
|
122 |
)
|
jaroslav@247
|
123 |
private static Object initWebSocket(Object back, String url) {
|
jaroslav@247
|
124 |
return null;
|
jaroslav@247
|
125 |
}
|
jaroslav@247
|
126 |
|
jaroslav@247
|
127 |
|
jaroslav@247
|
128 |
@JavaScriptBody(args = { "ws", "msg" }, body = ""
|
jaroslav@247
|
129 |
+ "ws.send(msg);"
|
jaroslav@247
|
130 |
)
|
jaroslav@247
|
131 |
private void send(Object ws, String msg) {
|
jaroslav@247
|
132 |
}
|
jaroslav@250
|
133 |
|
jaroslav@250
|
134 |
@JavaScriptBody(args = { "ws" }, body = "ws.close();")
|
jaroslav@250
|
135 |
private static void close(Object ws) {
|
jaroslav@250
|
136 |
}
|
jaroslav@258
|
137 |
|
jaroslav@258
|
138 |
void close() {
|
jaroslav@258
|
139 |
close(ws);
|
jaroslav@258
|
140 |
}
|
jaroslav@247
|
141 |
}
|