Différences

Ci-dessous, les différences entre deux révisions de la page.

--- projets:2018:stagejava [2019/03/02 14:45] – christian.jacolot
+++ projets:2018:stagejava [2024/04/16 22:26] (Version actuelle) – modification externe 127.0.0.1
@@ Ligne 668: / Ligne 668: @@
 }
 </code>
+Web client chat.xhtml:
+<code>
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+      http://www.apache.org/licenses/LICENSE-2.0
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
+<head>
+    <title>Apache Tomcat WebSocket Examples: Chat</title>
+    <style type="text/css"><![CDATA[
+        input#chat {
+            width: 410px
+        }
+        #console-container {
+            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="application/javascript"><![CDATA[
+        "use strict";
+        var Chat = {};
+        Chat.socket = null;
+        Chat.connect = (function(host) {
+            if ('WebSocket' in window) {
+                Chat.socket = new WebSocket(host);
+            } else if ('MozWebSocket' in window) {
+                Chat.socket = new MozWebSocket(host);
+            } else {
+                Console.log('Error: WebSocket is not supported by this browser.');
+                return;
+            }
+            Chat.socket.onopen = function () {
+                Console.log('Info: WebSocket connection opened.');
+                document.getElementById('chat').onkeydown = function(event) {
+                    if (event.keyCode == 13) {
+                        Chat.sendMessage();
+                    }
+                };
+            };
+            Chat.socket.onclose = function () {
+                document.getElementById('chat').onkeydown = null;
+                Console.log('Info: WebSocket closed.');
+            };
+            Chat.socket.onmessage = function (message) {
+                Console.log(message.data);
+            };
+        });
+        Chat.initialize = function() {
+            if (window.location.protocol == 'http:') {
+                Chat.connect('ws://' + window.location.host + '/examples/websocket/chat');
+            } else {
+                Chat.connect('wss://' + window.location.host + '/examples/websocket/chat');
+            }
+        };
+        Chat.sendMessage = (function() {
+            var message = document.getElementById('chat').value;
+            if (message != '') {
+                Chat.socket.send(message);
+                document.getElementById('chat').value = '';
+            }
+        });
+        var Console = {};
+        Console.log = (function(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;
+        });
+        Chat.initialize();
+        document.addEventListener("DOMContentLoaded", function() {
+            // Remove elements with "noscript" class - <noscript> is not allowed in XHTML
+            var noscripts = document.getElementsByClassName("noscript");
+            for (var i = 0; i < noscripts.length; i++) {
+                noscripts[i].parentNode.removeChild(noscripts[i]);
+            }
+        }, false);
+    ]]></script>
+</head>
+<body>
+<div class="noscript"><h2 style="color: #ff0000">Seems your browser doesn't support Javascript! Websockets rely on Javascript being enabled. Please enable
+    Javascript and reload this page!</h2></div>
+<div>
+    <p>
+        <input type="text" placeholder="type and press enter to chat" id="chat" />
+    </p>
+    <div id="console-container">
+        <div id="console"/>
+    </div>
+</div>
+</body>
+</html>
+</code>
+Les sources complets avec pom, html, java: {{ :projets:2018:websocket-src.tar.gz |}}