MACROMEDIA FLASH MEDIA SERVER 2-SERVER MANAGEMENT ACTIONSCRIPT LANGUAGE Manuale Utente Scaricare il pdf (Pagina 154)

ADOBE FLASH MEDIA INTERACTIVE SERVER

Server-Side ActionScript Language Reference

151

Parameters

object An XML object that contains a parsed XML document received from a server.

Example

The following function overrides the default implementation of the

onXML() method in a simple chat application.

The

myOnXML() function instructs the chat application to recognize a single XML element, MESSAGE, in the following

format:

<MESSAGE USER="John" TEXT="Hello, my name is John!" />.

var socket = new XMLSocket();

The following displayMessage() function is assumed to be a user-defined function that shows the message that

the user receives:

socket.onXML = function (doc) {

var e = doc.firstChild;

if (e != null && e.nodeName == "MESSAGE") {

displayMessage(e.attributes.user, e.attributes.text);

}

};

XMLSocket.send()

myXMLSocket.send(object)

Converts the XML object or data specified in the object parameter to a string and transmits it to the server, followed

by a zero (0) byte. If

object is an XML object, the string is the XML textual representation of the XML object.

If the

myXMLSocket object is not connected to the server (by using XMLSocket.connect()), the

XMLSocket.send() operation fails.

Availability

Flash Media Server 2

Parameters

object An XML object or other data to transmit to the server.

Returns

A boolean value;

true if the server is able to get the socket and the socket state is connected; otherwise, false. A

true value does not mean that the data has been transmitted successfully. The send() method is asynchronous; it

returns a value immediately, but the data may be transmitted later.

Example

The following example shows how you can specify a user name and password to send the XML object

my_xml to the

server:

var myXMLSocket = new XMLSocket();

var my_xml = new XML();

var myLogin = my_xml.createElement("login");

myLogin.attributes.username = usernameTextField;

myLogin.attributes.password = passwordTextField;

my_xml.appendChild(myLogin);

myXMLSocket.send(my_xml);

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