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RE: Rendering XML Server Side without using ASP

Subject: RE: Rendering XML Server Side without using ASP
From: "Stuart Celarier" <stuart@xxxxxxxxxxx>
Date: Tue, 29 Jan 2002 15:17:16 -0800
server side html rendering
Brian,

I think that you are not clear on all the concepts. A standard HTTP server
receives a request for URL, and replies with the file associated with that
resource. So it gets a request for an HTML file, and ships that file out.
The server does no processing, just send the file. If you want the server to
perform processing based on the URL, you need a dynamic HTTP server
technology along the lines of ASP. Putting script inside of the HTML files
will do nothing on the server side. If you don't have a server that can
perform work based on each URL request, then you are, how they say, up the
effluent waterway without a means of locomotion.

Since you are not in control of the client's configuration, you correctly
conclude that you cannot rely on client-side XSLT processing to produce
consistent results across browsers and platforms.

With ASP (and similar), the file sent to the client is pure HTML. As far as
the client is concerned, she can't tell and doesn't care if the HTML page
are created dynamically on demand, pulled from a cache of recently generated
pages, or if the whole site was generated in batch mode from some other kind
of source file. If an ASP-style technology is out of the question, then you
need to look at batch generating your site, e.g., using XSLT to transform
source XML documents into HTML and uploading them to the server.

I have a modest web site that I regenerate every time I edit any part of it.
It is not at all "tedious" as you say. Every XML file in the source
directory gets transformed into an HTML file in the result directory, then
the result directory is ftp'ed up to my server. I can regenerate my site
from a single command, and it takes under a minute to produce the files and
a little over a minute to upload the files across the network. It runs
unattended, so there is no tedium involved. If you are doing the
transformation processing on your actual web server, then you can omit step
two and just transform the result directly to the correct server directory.

Cheers,
Stuart

-----Original Message-----
From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
[mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Magick, Brian
Sent: Tuesday, January 29, 2002 11:37
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject:  Rendering XML Server Side without using ASP

Hi all:

I'm currently looking at alternatives that will speed up the development
of a web site for which the information is currently stored in XML.
Right now our plans are to use style sheets to render the html pages and
load static html pages to our server.  Looking at the advantages a
dynamic XML solution could provide (i.e. custom queries, not having to
transform the XML every time a change occurs, etc...) we would like to
load the XML files and render the pages dynamically.

Our current solution is restricted because we CANNOT use ASP.  We have
to work within the confines of simple .html pages.

I've found the following JavaScript code that works GREAT for rendering
these dynamic pages.  I simply change one variable that I pass to the
style sheet and the XML renders just fine....IF the user is on IE 5.5 or
higher and has at least version 3 of MSXML.  Obviously I cannot police
this restriction and we have to make sure the site works on BOTH IE and
Netscape, and works for users without the version 3 of MSXML.  The
solution, render the XML server side (our server has MSXML 3+ and can
handle the transformation).

Does anyone know some snippet of JavaScript code that can handle the
server side loading of XML and render it to the client as html without
requiring the use of asp or that the client has the right version of
MSXML???  If this cannot be done without ASP we might have to resort to
a new plan or resign ourselves to tedious XML transformations and
loading html pages to the server EVERY time a change occurs within our
data.  I've seen a few web resources that seem to indicate we can do
this, but I have yet to see a concrete example of how to do it.

Thanks!!!

Brian Magick

Here is the current working code I've found on the web for doing all of
the above on the client side:

    <script type="text/javascript">
                        // Load your XSL
                        var objXSLT = new
ActiveXObject("MSXML2.FreeThreadedDomDocument")
                        objXSLT.async = false
                        objXSLT.load("DomainStyleSheet.xslt")

                        // create a compiled XSL-object
                        var objCompiled = new
ActiveXObject("MSXML2.XSLTemplate")
                        objCompiled.stylesheet = objXSLT.documentElement

                        // create XSL-processor
                        var objXSLProc = objCompiled.createProcessor()

                        // Load your XML
                        var objXML = new
ActiveXObject("MSXML2.FreeThreadedDomDocument")
                        objXML.async = false
                        objXML.load("domains.xml")

                        // input for XSL-processor
                        objXSLProc.input = objXML
                        objXSLProc.addParameter("domain", "Domain1")
                        // etc.

                        // transform
                        objXSLProc.transform()

                        // display
                        document.write(objXSLProc.output)
        </script>

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