Don't use a java.io.Writer to build a StreamResult, while use a File,
so after the servlet has invoked Transformer.transform() you are able
to forword to such a File.
i.e.:
don't do
StreamResult result = new StreamResult(out); // out : to the client web
but
StreamResult result = new File("result.jsp"); // out : to the client web
So after transform() return:
response.sendRedirect( "result.jsp")
or
getServletContext().getRequestDispatcher("/result.jsp").forward
(request, response)
> That's exactly what I want to do ! You understood precisly my goal :
to have
> an action on the data depending on the client request. Thank you for
your
> help.
>
> But I found 2 new problems :
> - all tags like <% have to be rewritten in < - that's make the code
> difficult to read but that's not the worth
> - XSL transforms the XML file into a JSP output but how can I tell the
> server to process this output instead of flushing it to the client ?
>
> fv
>
>
>
> -----Message d'origine-----
> De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Envoy� : jeudi 13 d�cembre 2001 13:21
> � : [EMAIL PROTECTED]
> Objet : Re: Servlet / JSP / XML - to a MVC implementation ?
>
>
> Don't make a JSP that build the XML, while treat your JSP as a simple
> XML file, then delegate to the XSL file making the JSP.
> To be clearer:
> Make a JSP that receives the request
> then call from it the servlet (or jsp) that invokes
> Transformer.transform() whose source is just such an XML file:
>
> <doc title="foo">
> <description>
> I'm a JSP. I'm processing the request.
> <description>
> <%
> while(request.getParameterNames().hasMoreElements())
> {
> %>
> <item><scriptlet><%=(String)request.getParameterNames().nextElement()%
> ></scriptlet></item>
> <%
> }
> %>
> </doc>
>
> Your data.xsl will have to be changed to include
> at the head:
>
> <%@ page contentType="text/xml" %>
>
> and somewhere else:
>
> <xsl:template match="scriptlet">
> <xsl:apply-templates/>
> </xsl:template>
>
> > Today, i'm using JSP to perform the view. I also use JSP as
controller
> .
> > Although view and controller are separated, I'm looking for a best
way
> to do
> > this via XML/XSLT.
> >
> > My approach is :
> >
> > A request is sent to the web server :
> > - Controller (JSP) handles the request
> > - Controller (JSP) asks data to the model
> > - Model furnishes Datas (XML) to the controller
> > - The controller modifies data to perform request actions
> > - The controller forwards data modified to the view using XSL / XSLT
> >
> >
> > Here is an example, exactly what I want to do, a JSP handles the
reque
> st,
> > performs some actions and sends data rendered by XSL :
> >
> > <%@ page contentType="text/xml" %>
> > <?xml:stylesheet type="text/xsl" href="myxsl.xsl" version="1.0"
> > encoding="ISO-8859-1"?>
> >
> > <doc title="foo">
> > <description>
> > I'm a JSP. I'm processing the request.
> > <description>
> > <%
> > while(request.getParameterNames().hasMoreElements())
> > {
> > %>
> > <item><%=(String)request.getParameterNames().nextElement()%></item>
> > <%
> > }
> > %>
> > </doc>
> >
> > But I want to perform the XSL Transformation on the server side to
hav
> e the
> > full control using something like :
> >
> > StreamSource source = new StreamSource
> ( THE XML response performed by
> > the JSP controller );
> > StreamSource stylesheet = new StreamSource
> ("D:\\Dev\\web\\data.xsl");
> > // Use a Transformer for output
> > TransformerFactory tFactory = TransformerFactory.newInstance();
> > Transformer transformer = tFactory.newTransformer(stylesheet);
> > StreamResult result = new StreamResult
> (out); // out : to the client web
> > borwser
> > transformer.transform(source, result);
> >
> > I don't know how to forward the XML response of my JSP to the
servlet
> doing
> > the XSL Transformation. Have an idea ?
> > I have never seen example using JSP / XML / XSLT that way. Am I
going
> in a
> > wrong way ?
> > It sounds like to me because the view is completly separated from
the
> rest
> > of the application.
> >
> > fv
> >
> >
> >
> >
> >
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�HDU,D�51$���
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