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MVC approach VS do-everything-in-JSP approach

Posted on 2005-03-27
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Last Modified: 2010-04-01
Hi!

I have additional question to the following program.
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I made a “color preference” form that collects the user’s preferred foreground and background colors. Send the data to a JSP page that displays come message using those colors.
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Now, if I prohibit the foreground and background colors from being identical, is it going to be easier with the MVC approach than it would have been with the do-everything-in-JSP approach? If so, why?

Thanks,
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Question by:dkim18
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Expert Comment

by:arnon81
ID: 13641168
'to prohibit the foreground and background colors from being identical', this really should not be a reason for you to decide whether to use MVC or JSP scriptlet solution.

Usually MVC solution is used to make a clear separation between the View (JSP) and the logic (Servlet).

It really does not matter how you solve this 'color preference' problem, whether you use do-everything-in-JSP or MVC approach, because both has its own advantage.

do-everything-in-JSP advantage:
a lot faster to code, good for a small site with only a few form processing

MVC approach
More organized approach but it require a lot of work to setup. Good if you plan to build a big site with a lot of form processing, but might be too cumbersome for a small site
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Author Comment

by:dkim18
ID: 13641255
I know that it shouldn't be a reason to decide whether to use MVC or JSP scriptlet solution. The above was assignment and it was wondering which one would be easier if I don't let a user choose same colors for background and foreground color and why.
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Assisted Solution

by:arnon81
arnon81 earned 200 total points
ID: 13641705
If someone tell me to create this 'color preference' stuff I would do it in do-everything-in-JSP approach because it is faster to code and since it doesn't require some complex/a lot of  business logic, I would just put the business logic in jsp scriptlet or maybe I could put the business logic in a java class.
 
But your teacher might want different answer, dunno...
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Accepted Solution

by:
bloodredsun earned 200 total points
ID: 13646710
For something as simple as that it makes no difference and can easily be coded in a scriptlet.

MVC is normally the best approach to use rather than layer 1 (the official name for everything-in-jsps). You could instead use layer 2 as a compromise, this is the combinatino of JSPs, servlets and javabeans. This allows you to take your logic out of the jsp but without the extra progamming effort of putting a simple chore into somehting like Struts.
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