By Arnold Doray
The simply present developer-driven booklet situated and in accordance with Apache Struts 1.2 (which remains to be the main typical and most well-liked MVC-based net software improvement framework)
Condensed educational and lab layout, the place fabric has been validated in real type settings
Includes a few preview assurance of the subsequent new release of Struts (2.x), another way referred to as Apache Shale
Read or Download Beginning Apache Struts: From Novice to Professional (Beginning: From Novice to Professional) PDF
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Extra resources for Beginning Apache Struts: From Novice to Professional (Beginning: From Novice to Professional)
You’ll also need a View to display the error message. Here’s where enforcing strict MVC separation makes things complicated. For example, do you need to duplicate View code from Requirement 1 to redisplay the form data? How about re-populating the previously keyed-in form data? In Figure 5-3, the user ID field isn’t blank—it contains the previously keyed-in user ID. In fact, we could handle errors from Requirement 2 if we threw out MVC and mixed Controller and View code, as I described in the discussion to Requirement 2.
I’m sure you’ve seen this before. Some online news sites, for example, have the annoying requirement that you “subscribe” before you can view their content. ” What I’ll do is specify the requirements of this webapp, and for each requirement, I’ll identify the types of code (Model, View, or Controller) that might be needed. Requirement 1 The user is asked to specify a user ID (userid) and a password, as well as a password confirmation, as shown in Figure 5-2. fm Page 40 Monday, January 23, 2006 11:46 AM 40 CHAPTER 5 ■ THE MVC DESIGN PATTERN Figure 5-2.