is designed to help web application designers implement
cross platform applications that take advantage of client-side manipulation of XML data.
XML for <SCRIPT> provides a full suite of tools, including:
A standards-compliant W3C DOM Level 2 processor
An XPath processor
A standards-compliant SAX processor
A simple (classic) DOM processor
Proxies for XML retrieval from any domain
Utilities for XML and application development
XML for <SCRIPT> is Free software
and is distrubuted under the
terms of the GNU Lesser General Public Licence (LGPL)
, an open source license.
The ultimate goal of n-tier architecture is to separate the content of an application
from its presentation. Unfortunately, most server-side technologies in use today
do not make this goal easily attainable. It is not uncommon to see code such as the following
in server-side scripts:
<input type="text" value="<%out.println(vrblName);%>">
XML for <SCRIPT> seeks to simplify web application development by providing
developers the ability to send the data for their application in XML while the presentation
is sent in HTML and style sheets. This XML can then be manipulated to initially populate
any necessary form elements as well as store changes to the data.
When finished with the manipulation of the data, the resulting XML
string can then be sent back to the server. Since the data exchange is now 100% XML,
the server can then process the new string with its own parser and take the appropriate actions.
The benefits of this architecture are many.
Server side code intermixed with HTML code can be reduced to almost nothing.
Client side code is simplified by having all form initialization in one place
Applications are now free to maintain their own data, reducing annoying round-trips to the server
Server side processing is simplified by having all relevant form data be submitted in XML
In effect, XML for <SCRIPT> allows n-tier client side application development to become
XML for <SCRIPT> is maintained by David Joham (djoham[at]yahoo[dot]com) with help from
developers around the world.