Re: Writing my own Producer to generate dynamic XML- How do I pas s parameters to a custom generator that extends Abstract Generator

[Geoff Howard <co...@leverageweb.com>]

Anuja Gokhale wrote:
> thanx. I was able to write my own custom generator that works with static
> data. 
> 
> I however need my generate to generate an XML document based on the user's
> input (form data). How can I pass and retrieve request parameters to and
> from my generator (My generator extends the AbstractGenerator..is this what
> i should be using?)
> 
> Attached is the source for my simple generator...
> 
> public class MyGenerator extends AbstractGenerator {
>   public void generate () throws IOException, SAXException,
>     ProcessingException {
> 	  RequestParameterModule requestData = new RequestParameterModule();
>       String message = "<doc>" + requestData.getAttribute + "</doc>";
> 
>       XMLReader xmlreader = XMLReaderFactory.createXMLReader();
>       xmlreader.setContentHandler(super.xmlConsumer);
>       InputSource source = new InputSource(new StringReader(message));
>       xmlreader.parse(source);
>   }
> }

http://cocoon.apache.org/2.1/tutorial/tutorial-generator.html has 
examples of retrieving request parameters.  Feel free to ask specific 
questions if that doesn't make sense.

Geoff

> -----Original Message-----
> From: Joerg Heinicke [mailto:jheinicke@virbus.de]
> Sent: Thursday, August 21, 2003 6:48 PM
> To: users@cocoon.apache.org
> Subject: Re: Writing my own Producer to generate dynamic XML
> 
> 
> The component you search for is "generator" 
> (http://cocoon.apache.org/2.1/userdocs/generators/generators.html). 
> There are already different technologies generating XML from DB 
> (http://cocoon.apache.org/2.1/userdocs/concepts/databases.html). Also 
> search on http://wiki.cocoondev.org/ for more information.
> 
> Joerg
> 
> Anuja Gokhale wrote:
> 
> 
>>Hello,
>>
>>My application needs to read information from a DB plus do other stuff and
>>then have this displayed in different views. For this, I was planning on
>>writing a Producer that generates my XML and then defining XSL transformer
>>to operate on this dynamic XML.
>>
>>Here are my questions:
>>1) Should my producer implement the AbstractProducer interface (even
> 
> though
> 
>>I may never use the HttpServletRequest and response objects to generate my
>>XML)
>>2) Where do I define my producer for cocoon? In the sitemap?
>>3) How can I ensure that this Producer gets called when I need to get my
>>dynamic XML data?
>>
>>
>>-Anuja


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