MACROMEDIA FLASH MEDIA SERVER 2-SERVER MANAGEMENT ACTIONSCRIPT LANGUAGE Manuale Utente Scaricare il pdf (Pagina 142)

ADOBE FLASH MEDIA INTERACTIVE SERVER

Server-Side ActionScript Language Reference

139

XML.onLoad()

my_xml.onLoad = function (success) {}

Invoked when an XML document is received from the server. If the XML document is received successfully, the

success parameter is true. If the document was not received, or if an error occurred in receiving the response from

the server, the

success parameter is false. The default implementation of this method is not active. To override

the default implementation, you must assign a function that contains custom actions.

Availability

Flash Media Server 2

Parameters

success A boolean value; true if the XML object successfully loads with an XML.load() or XML.sendAndLoad()

operation; otherwise,

false.

Example

The following example includes ActionScript for a simple e-commerce storefront application. The

sendAndLoad()

method transmits an XML element that contains the user’s name and password and uses an

XML.onLoad() handler

to process the reply from the server.

var login_str = "<login username=\""+username_txt.text+"\"

password=\""+password_txt.text+"\" />";

var my_xml = new XML(login_str);

var myLoginReply_xml = new XML();

myLoginReply_xml.ignoreWhite = true;

myLoginReply_xml.onLoad = function(success){

if (success) {

if ((myLoginReply_xml.firstChild.nodeName == "packet") &&

(myLoginReply_xml.firstChild.attributes.success == "true")) {

gotoAndStop("loggedIn");

} else {

gotoAndStop("loginFailed");

}

} else {

gotoAndStop("connectionFailed");

}

};

my_xml.sendAndLoad("http://www.flash-mx.com/mm/login_xml.cfm", myLoginReply_xml);

See also

XML.load(), XML.sendAndLoad()

XML.parentNode

my_xml.parentNode

Read-only; an XMLNode value that references the parent node of the specified XML object or returns null if the

node has no parent. This property cannot be used to manipulate child nodes; use the

appendChild(),

insertBefore(), and removeNode() methods instead.

Availability

Flash Media Server 2

Example

The following example creates an XML packet and writes the parent node of the

username node to the log file:

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