Re: [xsl] XSLT Saxon Transformation in JSP pages ?

Hi,

You will probably want to create a Templates object to cache and create you Transformer off of that. You will get better performance.

Also, before you write your own taglib, you might want to check out:

http://jakarta.apache.org/taglibs/doc/xsl-doc/intro.html

If you don't like it, at least you can use it as a starting point.

best,
-Rob

Vincent Blondel wrote:

I suppose you mean something like this ...

<%@ page contentType="text/html"
    import="net.sf.saxon.value.StringValue,
       net.sf.saxon.trans.DynamicError,
       net.sf.saxon.functions.SystemProperty,
       net.sf.saxon.trans.DynamicError,
       net.sf.saxon.FeatureKeys,
       net.sf.saxon.Configuration,
       net.sf.saxon.trace.XSLTTraceListener,
       net.sf.saxon.TransformerFactoryImpl,

       javax.xml.parsers.*,
       org.w3c.dom.*,
       javax.xml.transform.*,
       javax.xml.transform.stream.*,
       java.io.*" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
      <html xmlns="http://www.w3.org/1999/xhtml"; lang="en" xml:lang="en">
        <head>
          <title>Title</title>
        </head>

        <body>
<%
System.setProperty("javax.xml.transform.TransformerFactory",
"net.sf.saxon.TransformerFactoryImpl");

StreamSource xml = new StreamSource(new File("c:/temp/hello.xml"));
StreamSource xsl = new StreamSource(new File("c:/temp/hello.xsl"));

StreamResult result = new StreamResult(out);

TransformerFactory tFactory = TransformerFactory.newInstance();
Transformer transformer = tFactory.newTransformer(xsl);

transformer.transform(xml, result);
%>
        </body>
      </html>

and, great, it works ... but you are right I will try to develop some
custom saxon tag libraries, this will be more JSP minded.

Many thanks for your help.

Regards
Vincent


On Mon, September 4, 2006 13:46, Mukul Gandhi wrote:
You have written your code quite nicely to invoke XSLT transformation from
JSP.
You can further modularize it by creating a Java bean, or perhaps by
creating your custom JSP tags (as you have mentioned).

Please see my answers below.

On 9/4/06, Vincent Blondel <vincent@xxxxxxxxxxxx> wrote:

* How can this work without any jar file ( saxon.jar ) in my web
application, is this comimng from jdk ( 1.5.0_06 ) himself ?


No, Saxon jar file is not bundled with JDK 1.5.0_06. JDK comes bundled
with Xalan-J. If you want to use Saxon, you have to use it explicitly.
You have to place the Saxon jar in system classpath, and use it.

* How can I integrate my XSLT transformation with saxon exngine ?


To invoke Saxon via JAXP, you have to set the JAXP property
javax.xml.transform.TransformerFactory to
net.sf.saxon.TransformerFactoryImpl (for Saxon-b 8.7.3J)

* Is there a way to make this easier , with special Jsp Saxon tags ?


I am not quite sure. This is a Java application design issue. Perhaps
you can create your own JSP custom tags for invoking XSLT.

--
Regards,
Mukul Gandhi

http://gandhimukul.tripod.com

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