MACROMEDIA FLASH MEDIA SERVER 2-SERVER MANAGEMENT ACTIONSCRIPT LANGUAGE Manuale Utente Scaricare il pdf (Pagina 155)

ADOBE FLASH MEDIA INTERACTIVE SERVER

Server-Side ActionScript Language Reference

152

XMLStreams class

The XMLStreams class is a variation of the XMLSocket class—it has all the same methods, properties, and events,

but it transmits and receives data in fragments. To create an XMLStreams object, use the XMLSocket constructor

and pass

"stream" as the parameter. See XMLSocket constructor.

Flash Media Interactive Server can transmit XML data in stream format (for example, as needed by a Jabber server

or IM applications). Streaming XML data passes over a normal XMLSocket connection, but it begins with a

stream:stream tag, contains fragments of XML content, and concludes with a /stream:stream closing tag.

The

onData() handler is invoked and returns complete XML tags whenever it receives them. The /stream:stream

tag closes the stream. There is an asynchronous call to

onData() whenever a complete tag has been received by the

stream.

Note: As a security precaution, if 4096 bytes of data arrive before a closing XML tag, the socket connection closes. This

value is configurable in the

XMLSocket.maxUnprocessedChars property or in the MaxUnprocessedChars element

in the Application.xml file.

Availability

Flash Media Server 2

Example

If you want your Flash Media Server application to communicate with a Jabber server, which uses XML streaming,

create an XMLStreams object. The XMLStreams object connects to a remote XML streaming server, and the

onData() handler is called as complete sections of XML occur in the stream.

myXMLStreams = new XMLSocket("stream");

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MACROMEDIA FLASH MEDIA SERVER 2-SERVER MANAGEMENT ACTIONSCRIPT LANGUAGE Manuale Utente Pagina 155