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Part IV: Advanced Application Developmen... > Using WDDX to Create Distributed App...

Chapter 16. Using WDDX to Create Distributed Applications

In this chapter

Introducing WDDX

The WDDX Format: It's XML!

WDDX and ColdFusion

WDDX and JavaScript

When developing Web applications with ColdFusion, you are often dealing with complex chunks of data, such as recordsets returned from database queries or arrays that you fill with various pieces of information. Often, you need to get that data from one place to another. Sometimes you even need to pass these chunks of data between environments. For instance, you might want to move information from ColdFusion to JavaScript or from a COM-enabled environment such as Visual Basic to ColdFusion.

At the same time, your Web applications generally need to be able to talk in terms of plain text. For instance, you might need to pass data between two servers over the Internet. Various strategies for getting the data from place to place might already be springing into your mind. You might start thinking about passing the data around in email messages or making it available on special back-end Web pages from which another system could collect the data. Because email and Web pages are basically plain-text media, you need some way to turn your recordsets, arrays, and structures into blocks of ordinary ASCII text and back again.


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