Re: JSP Import CSV into database

From:
Lew <lew@nowhere.com>
Newsgroups:
comp.lang.java.beans,comp.lang.java.help,comp.lang.java.programmer
Date:
Tue, 17 Oct 2006 21:13:36 -0400
Message-ID:
<BbGdnZA65aBd4qjYnZ2dnUVZ_qWdnZ2d@comcast.com>
Manish Pandit wrote:

Use struts. If not, write a servlet that accepts the request, override
the doPost() method, extract the file from the multipart request, and
process the records. Use the HttpServletResponse to write any messages
regarding error/success. You can use apache fileupload API to extract
the file from the request. Or if you want to do it
quick-and-not-so-dirty, post to another JSP that has the scriptlet java
code to process the request + write to the database.


Since you recommend Struts, instead of a monolithic servlet as the
alternative, how about a hand-constructed MVC app?

Have the servlet extract the request parameters and pass them on to a logic
class (a la Action handlers in Struts). Have the logic class parse the posted
data and hand it off to a data access object (DAO) that encapsulates the
database logic. Return the database results (success, failure, other) to the
logic class, then back to the servlet, and have the servlet forward to an
appropriate JSP to report the outcome.

Voila.

- Lew

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