MACROMEDIA FLASH REMOTING MX-USING FLASH REMOTING FOR FLASH MX 2004 ACTIONSCRIPT 2.0 Spezifikationen PDF herunterladen (Seite 6)

This is the Title of the Book, eMatter Edition

Chapter 1: Introduction to Flash Remoting

Flash Remoting technology is at the center of Macromedia’s Studio MX product

suite, linking the server platforms with the client-side tools. Flash Remoting is built

into Macromedia’s two application servers—ColdFusion MX and JRun 4. In addi-

tion, programmers using other technologies, such as ASP.NET or J2EE application

servers, can purchase the Flash Remoting MX package so that Flash Remoting can be

utilized on those servers. Although Macromedia doesn’t officially support other lan-

guages, open source implementations are available for PHP (the AMFPHP project at

http://www.amfphp.org) and Perl (the FLAP project at http://www.simonf.com/flap).

There is also an open source Flash Remoting for Java implementation (OpenAMF at

http://www.openamf.org).

The Flash authoring environment includes UI components, which form the basis of

Macromedia’s strategy of using a Flash movie as the client in a client/server atmo-

sphere. This approach allows the application server to provide the programming

power for the application. Using Flash Remoting, a Flash movie can act as the inter-

face for diverse applications, including connections to databases, SMTP mailers,

server components, web services, and much more. Flash Remoting ties together the

Macromedia authoring tools and application server technologies to form a new

approach to web application development and deployment.

Flash Remoting is a server-side technology that integrates with existing application

servers to provide a gateway between the Flash Player and remote services deployed

on the server. A service can be a simple ColdFusion page or ColdFusion Component

(CFC), a PHP or Perl script, a Java class, or an ASP.NET page or DLL. Flash Remot-

ing allows developers to access remote services and web services from within Flash

through a simple ActionScript API that is similar to JavaScript. Flash Remoting also

allows developers to integrate Flash with existing client/server applications with lit-

tle modification, to provide a rich, robust user interface that can be deployed across

browsers, platforms, and devices.

The Flash Remoting gateway on the server sits between the Flash Player on the cli-

ent and the server-side tier of an application. It handles data serialization and proce-

dure calls between the Flash Player and the server. Serialization is the translation of

data to a format that can be easily transmitted over the Web. This translation is

transparent to both client-side Flash developers and server-side developers. We’ll

discuss a client/server architecture using the Flash Player and the Flash Remoting

gateway later in this chapter.

Using Flash Remoting, a Flash movie can connect to virtually any remote service

deployed on the server. The remote services can be deployed using various lan-

guages and technologies, including:

• Java classes

• JavaBeans™

• Enterprise JavaBeans (EJB)

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MACROMEDIA FLASH REMOTING MX-USING FLASH REMOTING FOR FLASH MX 2004 ACTIONSCRIPT 2.0 Spezifikationen Seite 6