Stephane Cloutier wrote:
> I have to create an HTML page with a table containing dynamic values and
> decide to use a servlet. Has I'm not sure about the HTML page look, I
> would like to use an architecture that permit to change to HTML with an
> appropriate editor without having to change the servlet code (which imply I
> can't hardcode the HTML page in my code). I think about 2 solutions but
> still don't know which one would be the best (for performance especially):
>
> 1- Create an HTML page with inline <servlet> tags for all dynamic values
> (so that each dynamic value is replace by a call to a servlet who return
> the right value).
>
> 2- Create an HTML template with own-defined tags so that when this page is
> requested, the servlet is called, read the template and replace all the
> own-defined tags by the appropriate values.
>
> I would have tend to solution #1 for easyness but maybe I missed some
> considerations. Any ideas? Also, does the most web server support
> <servlet> tags or they're more rares? What about Netscape Entreprise
> Server 3.0?
>
The <servlet> tag is available in many, but not all, servlet engines -- it's not
completely portable because it is not part of the servlet API standard.
You should also add at least two more solution options to your list:
3 - JSP pages, which are essentially HTML pages with custom tags that
let you interact with your business logic and produce dynamic data.
<http://java.sun.com/products/jsp>. JSP pages are portable across
servlet engines that implement the standard.
4 - Template systems based on servlets that let you separate the HTML
text from your logic, and have special tags for data retrieval, looping,
and other good stuff. One example of this is <http://www.webmacro.org>.
Personally, I use solution 3 (JSP) for my HTML page generation, coupled with
servlets and JavaBeans process requests and represent the data model of my
applications. From an architectural viewpoint, this is described pretty well in
several white papers produced by IBM and JavaSoft -- one place in particular to look
is Chapter 4 of the "Developing Enterprise Applications with the Java2 Platform,
Enterprise Edition" document at JavaSoft. It can be found in the J2EE pages under
<http://java.sun.com/j2ee>.
> Thanks a lot,
> Stephane
>
Craig McClanahan
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