Wednesday, November 18, 2009

Chapter 10. Developing Struts Applicationswith Eclipse











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Chapter 10. Developing Struts Applicationswith Eclipse











In this chapter we're

going to take a look at using Eclipse to write Struts-based web

applications. This is going to give us experience not only using

Struts, but also creating large-scale web applications, including

handling build dependencies (where one file needs to be built before

another), avoiding deleting files in the output folders when doing a

full build (deleting all files in the output folder is called

"scrubbing," which Eclipse does by

default�and scrubbing a Struts application would delete needed

files), organizing your source code files into a folder after the

project has already been created, and other issues.

We're also going to take a look at a popular Struts

plug-in, Easy Struts, to help create Struts applications in Eclipse.





Although we're going to discuss Struts in overview

here, we'll assume that if you want to follow the

programming in detail, you already have some experience with

Struts�in this book, our focus is on Eclipse, not Struts.









Struts is built on

Model-View-Controller (MVC) architecture that has become popular in

servlet/JSP programming. The original servlet/JSP programming

architecture (sometimes called Model 1) was somewhat ad-hoc, using

servlets, JSPs, and beans in a way that was completely up to the

programmer. Since that time, web applications have become more

large-scale, and the MVC architecture (sometimes called Model 2) has

been adopted. In MVC programming, the view (often a JSP) handles the

visual interface with the user, the model (often a JavaBean) handles

the internal logic of the application, and the controller (often a

servlet) handles the overall communication between the view and the

model as well as forwarding user reqests as needed to other code.







In Struts terminology, the view is

constructed using forms and the controller

with actions. The model is often implemented

with form beans.



















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