Apple WebObjects 5 Manuel d'utilisateur télécharger pdf (Page 94)

94 Combining Approaches

 Apple Computer, Inc. January 2002

CHAPTER 8

Choosing Your Approach

applications as well. For internal applications, the user interface polish is not as

important as development time, making these applications ideal candidates for

the WebObjects rapid development approaches.

Combining Approaches

WebObjects does not confine you to a single approach. You can switch your

approach as you develop your application or combine it with another approach.

This is possible in WebObjects because the business logic is encapsulated in

enterprise objects and not in the application.

Combining HTML-based and Java Client

Approaches

In general, you shouldn’t combine a HTML-based approach (WebObjects

HTML-based or Direct to Web) with a Java Client approach (Java Client or Direct to

Java Client) because the combination has none of the advantages and all of the

drawbacks of the individual approaches. The speed and interactivity of their user

interfaces are major advantages of Java Client applications. These advantage are

lost when the applications also use inherently less-interactive HTML-based

interfaces.

Similarly, a major advantage of HTML-based applications is that any computer

with a Web browser can use them. When combined with Java Client, these

applications depend on the quality of the browser’s Java Virtual Machine, if the

browser even implements one. In addition, you must install the client code on the

user’s computer or force the user to wait for it to download. The extra interactivity

Java Client adds to the HTML-based approaches is usually outweighed by the

concomitant loss of portability.

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Apple WebObjects 5 Manuel d'utilisateur Page 94