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+<html>
+ <head>
+ <title>Websocket Chat Client</title>
+ </head>
+ <body>
+ <h1>Websocket Chat Client</h1>
+ <p>
+ <button onClick="initWebsocket();">Connect</button>
+ <button onClick="stopWebsocket();">Disconnect</button>
+ <button onClick="checkSocket();">State</button>
+ </p>
+ <p>
+ <textarea id="debugTextArea" style="width:400px;height:200px;"></textarea>
+ </p>
+ <p>
+ <input type="text" id="inputNick" value="nickname" />
+ <input type="text" id="inputText" onkeydown="if(event.keyCode==13)sendMessage();"/>
+ <button onClick="sendMessage();">Send</button>
+ </p>
+
+ <script type="text/javascript">
+ var debugTextArea = document.getElementById("debugTextArea");
+ function debug(message) {
+ debugTextArea.value += message + "\n";
+ debugTextArea.scrollTop = debugTextArea.scrollHeight;
+ }
+
+ function sendMessage() {
+ var nickname = document.getElementById("inputNick").value;
+ var msg = document.getElementById("inputText").value;
+ var strToSend = nickname + ": " + msg;
+ if ( websocket != null )
+ {
+ document.getElementById("inputText").value = "";
+ websocket.send( strToSend );
+ console.log( "string sent :", '"'+strToSend+'"' );
+ debug(strToSend);
+ }
+ }
+
+ var wsUri = "ws://localhost:1234";
+ var websocket = null;
+
+ function initWebsocket() {
+ try {
+ if (typeof MozWebSocket == 'function')
+ WebSocket = MozWebSocket;
+ if ( websocket && websocket.readyState == 1 )
+ websocket.close();
+ websocket = new WebSocket( wsUri );
+ websocket.onopen = function (evt) {
+ debug("CONNECTED");
+ };
+ websocket.onclose = function (evt) {
+ debug("DISCONNECTED");
+ };
+ websocket.onmessage = function (evt) {
+ console.log( "Message received :", evt.data );
+ debug( evt.data );
+ };
+ websocket.onerror = function (evt) {
+ debug('ERROR: ' + evt.data);
+ };
+ } catch (exception) {
+ debug('ERROR: ' + exception);
+ }
+ }
+
+ function stopWebsocket() {
+ if (websocket)
+ websocket.close();
+ }
+
+ function checkSocket() {
+ if (websocket != null) {
+ var stateStr;
+ switch (websocket.readyState) {
+ case 0: {
+ stateStr = "CONNECTING";
+ break;
+ }
+ case 1: {
+ stateStr = "OPEN";
+ break;
+ }
+ case 2: {
+ stateStr = "CLOSING";
+ break;
+ }
+ case 3: {
+ stateStr = "CLOSED";
+ break;
+ }
+ default: {
+ stateStr = "UNKNOW";
+ break;
+ }
+ }
+ debug("Websocket state = " + websocket.readyState + " ( " + stateStr + " )");
+ } else {
+ debug("Websocket is null");
+ }
+ }
+ </script>
+ </body>
+</html>