Attachment #28410 for bug #51181

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<!DOCTYPE html>
<html>
<head>
    <title>Apache Tomcat WebSocket Examples: Echo</title>
    <style type="text/css">
        #connect-container {
            float: left;
            width: 400px
        }

        #connect-container div {
            padding: 5px;
        }

        #console-container {
            float: left;
            margin-left: 20px;
            padding-left: 20px;
            width: 400px;
        }

        #console {
            border: 1px solid #CCCCCC;
            border-right-color: #999999;
            border-bottom-color: #999999;
            height: 170px;
            overflow-y: scroll;
            padding: 5px;
            width: 100%;
        }

        #console p {
            padding: 0;
            margin: 0;
        }
    </style>
    <script type="text/javascript">
        var ws = null;

        function setConnected(connected) {
            document.getElementById('connect').disabled = connected;
            document.getElementById('disconnect').disabled = !connected;
            document.getElementById('echo').disabled = !connected;
      alert("WebSocket connection opened.");
      ws.send("Here is a message!");
        }

        function connect() {
            var target = document.getElementById('target').value;
            if (target == '') {
                alert('Please select server side connection implementation.');
                return;
            }
            if ('WebSocket' in window) {
                ws = new WebSocket(target);
            } else if ('MozWebSocket' in window) {
                ws = new MozWebSocket(target);
            } else {
                alert('WebSocket is not supported by this browser.');
                return;
            }
            ws.onopen = function () {
                setConnected(true);
                log('Info: WebSocket connection opened.');
            };
            ws.onmessage = function (event) {
                log('Received: ' + event.data);
            };
            ws.onclose = function () {
                setConnected(false);
                log('Info: WebSocket connection closed.');
            };
        }

        function disconnect() {
            if (ws != null) {
                ws.close();
                ws = null;
            }
            setConnected(false);
        }

        function echo() {
            if (ws != null) {
                var message = document.getElementById('message').value;
                log('Sent: ' + message);
                ws.send(message);
            } else {
                alert('WebSocket connection not established, please connect.');
            }
        }

        function updateTarget(target) {
            document.getElementById('target').value = 'ws://' + window.location.host + target;
        }

        function log(message) {
            var console = document.getElementById('console');
            var p = document.createElement('p');
            p.style.wordWrap = 'break-word';
            p.innerHTML = message;
            console.appendChild(p);
            while (console.childNodes.length > 25) {
                console.removeChild(console.firstChild);
            }
            console.scrollTop = console.scrollHeight;
        }
    </script>
</head>
<body>
<noscript><h1>Seems your browser doesn't support Javascript! Websockets rely on Javascript being enabled. Please enable
    Javascript and reload this page!</h1></noscript>
<div>
    <div id="connect-container">
        <div>
            <span>Connect using:</span>
            <!-- echo example using streams on the server side -->
            <input id="radio1" type="radio" name="group1" value="/examples/websocket/echoStream"
                   onclick="updateTarget(this.value);"> <label for="radio1">streams</label>
            <!-- echo example using messages on the server side -->
            <input id="radio2" type="radio" name="group1" value="/examples/websocket/echoMessage"
                   onclick="updateTarget(this.value);"> <label for="radio2">messages</label>
        </div>
        <div>
            <input id="target" type="text" size="40" style="width: 350px"/>
        </div>
        <div>
            <button id="connect" onclick="connect();">Connect</button>
            <button id="disconnect" disabled="disabled" onclick="disconnect();">Disconnect</button>
        </div>
        <div>
            <textarea id="message" style="width: 350px">Here is a message!</textarea>
        </div>
        <div>
            <button id="echo" onclick="echo();" disabled="disabled">Echo message</button>
        </div>
    </div>
    <div id="console-container">
        <div id="console"></div>
    </div>
</div>
</body>
</html>

Return to bug 51181

Lines 17-54 Link Here

(-)webapps/examples/websocket/echo.html (-30 / +133 lines)
17	<!DOCTYPE html>	17	<!DOCTYPE html>
18	<html>	18	<html>
19	<head>	19	<head>
20	<title>Apache Tomcat WebSocket Examples: Echo</title>	20	<title>Apache Tomcat WebSocket Examples: Echo</title>
		21	<style type="text/css">
		22	#connect-container {
		23	float: left;
		24	width: 400px
		25	}
		26
		27	#connect-container div {
		28	padding: 5px;
		29	}
		30
		31	#console-container {
		32	float: left;
		33	margin-left: 20px;
		34	padding-left: 20px;
		35	width: 400px;
		36	}
		37
		38	#console {
		39	border: 1px solid #CCCCCC;
		40	border-right-color: #999999;
		41	border-bottom-color: #999999;
		42	height: 170px;
		43	overflow-y: scroll;
		44	padding: 5px;
		45	width: 100%;
		46	}
		47
		48	#console p {
		49	padding: 0;
		50	margin: 0;
		51	}
		52	</style>
21	<script type="text/javascript">	53	<script type="text/javascript">
22	function echo(target) {	54	var ws = null;
23	if ("WebSocket" in window) {	55
24	// TODO: Can we use relative URLs?	56	function setConnected(connected) {
25	var ws = new WebSocket(target);	57	document.getElementById('connect').disabled = connected;
26	ws.onopen = function() {	58	document.getElementById('disconnect').disabled = !connected;
27	ws.send("Connection opened");	59	document.getElementById('echo').disabled = !connected;
28	alert("WebSocket connection opened.");
29	ws.send("Here is a message!");
30	}	60	}
31	ws.onmessage = function(event) {	61
32	alert("Received: " + event.data);	62	function connect() {
		63	var target = document.getElementById('target').value;
		64	if (target == '') {
		65	alert('Please select server side connection implementation.');
		66	return;
33	}	67	}
		68	if ('WebSocket' in window) {
		69	ws = new WebSocket(target);
		70	} else if ('MozWebSocket' in window) {
		71	ws = new MozWebSocket(target);
		72	} else {
		73	alert('WebSocket is not supported by this browser.');
		74	return;
		75	}
		76	ws.onopen = function () {
		77	setConnected(true);
		78	log('Info: WebSocket connection opened.');
		79	};
		80	ws.onmessage = function (event) {
		81	log('Received: ' + event.data);
		82	};
34	ws.onclose = function() {	83	ws.onclose = function () {
35	alert("WebSocket connection closed.");	84	setConnected(false);
		85	log('Info: WebSocket connection closed.');
		86	};
36	}	87	}
37	// TODO: Extend with a text box for users to enter data	88
		89	function disconnect() {
		90	if (ws != null) {
		91	ws.close();
		92	ws = null;
		93	}
		94	setConnected(false);
		95	}
		96
		97	function echo() {
		98	if (ws != null) {
		99	var message = document.getElementById('message').value;
		100	log('Sent: ' + message);
		101	ws.send(message);
38	} else {	102	} else {
39	alert("WebSocket is not supported by this browser.");	103	alert('WebSocket connection not established, please connect.');
40	}	104	}
41	}	105	}
		106
		107	function updateTarget(target) {
		108	document.getElementById('target').value = 'ws://' + window.location.host + target;
		109	}
		110
		111	function log(message) {
		112	var console = document.getElementById('console');
		113	var p = document.createElement('p');
		114	p.style.wordWrap = 'break-word';
		115	p.innerHTML = message;
		116	console.appendChild(p);
		117	while (console.childNodes.length > 25) {
		118	console.removeChild(console.firstChild);
		119	}
		120	console.scrollTop = console.scrollHeight;
		121	}
42	</script>	122	</script>
43	</head>	123	</head>
44	<body>	124	<body>
45	<div id="echoStreamTest">	125	<noscript><h1>Seems your browser doesn't support Javascript! Websockets rely on Javascript being enabled. Please enable
46	<a href="javascript:echo('ws://localhost:8080/examples/websocket/echoStream')">	126	Javascript and reload this page!</h1></noscript>
47	Start echo example using streams on the server side</a>	127	<div>
		128	<div id="connect-container">
		129	<div>
		130	<span>Connect using:</span>
		131	<!-- echo example using streams on the server side -->
		132	<input id="radio1" type="radio" name="group1" value="/examples/websocket/echoStream"
		133	onclick="updateTarget(this.value);"> <label for="radio1">streams</label>
		134	<!-- echo example using messages on the server side -->
		135	<input id="radio2" type="radio" name="group1" value="/examples/websocket/echoMessage"
		136	onclick="updateTarget(this.value);"> <label for="radio2">messages</label>
48	</div>	137	</div>
49	<div id="echoStreamMessage">	138	<div>
50	<a href="javascript:echo('ws://localhost:8080/examples/websocket/echoMessage')">	139	<input id="target" type="text" size="40" style="width: 350px"/>
51	Start echo example using messages on the server side</a>	140	</div>
		141	<div>
		142	<button id="connect" onclick="connect();">Connect</button>
		143	<button id="disconnect" disabled="disabled" onclick="disconnect();">Disconnect</button>
		144	</div>
		145	<div>
		146	<textarea id="message" style="width: 350px">Here is a message!</textarea>
		147	</div>
		148	<div>
		149	<button id="echo" onclick="echo();" disabled="disabled">Echo message</button>
		150	</div>
		151	</div>
		152	<div id="console-container">
		153	<div id="console"></div>
		154	</div>
52	</div>	155	</div>
53	</body>	156	</body>
54	</html>	157	</html>