Re: JSP BEAN RETRIEVAL

From:
Lew <lew@lewscanon.com>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 11 Mar 2008 00:54:09 -0400
Message-ID:
<vJ-dndfH0-jsjUvanZ2dnUVZ_q2hnZ2d@comcast.com>
Vittorix wrote:

Arne Vajh?Wj wrote:

because I couldn't find a solution, I'm using a scriplet inside the
JSP that does the job:

    int numBooks = Integer.parseInt(request.getParameter("numBook"));
    for (int i=1; i<=numBooks; i++)
    {
        String bookBeanS = "bookBeanBeg" + i + "";
        p4Solution.BookBean bookBean = null;
        bookBean = (p4Solution.BookBean)
        session.getAttribute(bookBeanS);
    out.write(bookBean.getSeq_no()); }

JSP pages with scriptlets with out.print/write should not
be able to pass code review.


what do you mean? it works great


He means that the presence of scriptlet in a JSP is a "bad" mark in a code
review. It presents maintenance difficulties, and obviates the natural
separation of view artifacts from logic artifacts. It also represents that
you left a bug unfixed, in that the <c:forEach> idiom should work, so from an
organizational standpoint that remains an open issue.

I have known a few people who had Marty Hall as a teacher. He took off ten
points from an assignment submission for each line of scriptlet in a JSP.
<http://www.apl.jhu.edu/~hall/>

--
Lew

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