mirror of https://github.com/apache/activemq.git
56 lines
1.7 KiB
JavaScript
56 lines
1.7 KiB
JavaScript
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// -----------------
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// Original code by Joe Walnes
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// -----------------
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function chooseNickName() {
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var newNickName = prompt("Please choose a nick name", nickName)
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if (newNickName) {
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connection.sendMessage(chatTopic, "<message type='status'>" + nickName + " is now known as " + newNickName + "</message>")
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nickName = newNickName
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}
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}
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// when user clicks 'send', broadcast a message
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function saySomething() {
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var text = document.getElementById("userInput").value
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connection.sendMessage(chatTopic, "<message type='chat' from='" + nickName + "'>" + text + "</message>")
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document.getElementById("userInput").value = ""
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}
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// when message is received from topic, display it in chat log
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function receiveMessage(message) {
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var root = message.documentElement
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var chatLog = document.getElementById("chatLog")
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var type = root.getAttribute('type')
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if (type == 'status') {
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chatLog.value += "*** " + elementText(root) + "\n"
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}
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else if (type == 'chat') {
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chatLog.value += "<" + root.getAttribute('from') + "> " + elementText(root) + "\n"
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}
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else {
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chatLog.value += "*** Unknown type: " + type + " for: " + root + "\n"
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}
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}
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// returns the text of an XML element
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function elementText(element) {
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var answer = ""
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var node = element.firstChild
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while (node != null) {
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var tmp = node.nodeValue
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if (tmp != null) {
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answer += tmp
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}
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node = node.nextSibling
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}
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return answer
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}
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var connection = new Connection("jms/FOO/BAR")
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var chatTopic = "FOO.BAR"
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connection.addMessageListener(chatTopic, receiveMessage)
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var nickName = "unknown"
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document.getElementById("chatLog").value = ''
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