MACROMEDIA FLASH REMOTING MX-USING FLASH REMOTING FOR FLASH MX 2004 ACTIONSCRIPT 2.0 Spezifikationen PDF herunterladen (Seite 10)

This is the Title of the Book, eMatter Edition

Chapter 1: Introduction to Flash Remoting

Flash Remoting requires browser support for binary POST. Because

Netscape 6.x does not support binary

POST, Flash Remoting does not

work when the Flash Player is running within Netscape 6.x. The Flash

Remoting call has no effect and no error is returned. This bug is fixed

in Netscape 7. There are also issues with early versions of Safari and

Chimera on the Macintosh. You can use a browser-detecting script to

redirect users to an appropriate page that uses HTML or older Flash

formats if the user’s browser does not support your Flash Remoting

application.

An AMF packet consists of the following:

•Apacket header, which describes the AMF version information and includes

HTTP headers

• A count of context headers in the array that follows

•Thecontext headers array, which describes to the server the context in which the

information should be processed (on calls from the client) or describes to the cli-

ent what is coming from the server (a result or status) and its format (such as a

recordset or a string)

• A count of the messages in the array that follows

• The messages array, which is typically a method call coming from the client or a

status/result coming from the server

Following is the HTTP request and response generated by the Hello World exam-

ples shown later in this chapter. Because AMF is a binary format, the binary data is

shown as periods (

...). The ASCII text in the following excerpt, such as amf_server_

debug

, is part of the literal message:

POST /flashservices/gateway HTTP/1.1

Referer: http://192.168.0.5:8500/flashservices/gateway

Content-Type: application/x-amf

User-Agent: Shockwave Flash

Host: 127.0.0.1

Content-Length: 198

Cache-Control: no-cache

.......amf_server_debug....pNetDebugConfig

coldfusion...

amfheaders....amf....

httpheaders....recordset....error....trace...m_debug.........

....*com.oreilly.helloworld.HelloWorld.sayHello.../1....

And the response from the server back to the Flash Player is as follows:

HTTP/1.0 200 OK

Date: Thu, 23 May 2002 02:53:09 GMT

Content-Type: application/x-amf

Content-Length: 69

Server: JRun Web Server

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 39 40

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