Hi,
I may be looking at this too simplistically, or missing part of your problem, but it appears to me that you are trying to achieve all this in one pipeline, when two would be easier.
1st pipeline:
1. Generate the xml
2. Transform using xsl
3. Serialize into html, with the src of your image tag pointing to 2nd matcher
2nd pipeline:
1. Generate xml
2. Transform into image stream (I assume that you don't actually have to save it to disk)
I'm going to be using Fins in a project very soon, and I sort of imagined that this was the way I would approach it for charts that are truly dynamic, so any feedback would be appreciated...
Robin
On 2 Jul 2004, at 00:17, Java Developer wrote:
Hi All,
I am writing a webbapp which generates charts inside a dynamically generated html page using cocoon and fins block.
My problem is I m looking for a simpler way so that, in a pipeline, I should be able to :
1. Generate the xml //Done ..not a problem 2. Transform into image stream // partially done...that is THE PROBLEM 3. Get the original xml back //Done..not a problem 4. Transform using xsl//Done..not a problem 5. Serialize into html //with image tag that points to step 2 generated image.
Currently I m saving the image generated in step 2 and html is reading it..which includes an IO operation(which i obiviously want to avoid).
Other way could be storing the image stream into session by modifying step 2 transformer, later rendering the image using servlet or jsp.(which is again a server call..but should be faster than IO, love to know any better way of doing it)
My first question is how to access http request or session inside cocoon transformer, and second is Am I trying to reinvent the wheel again ? is anybody has a better way for displaying image in an html page using cocoon in the current scenario ??
Thanks much for your help and suggestions.
I apologize being so fussy sounding too demanding.
===== - Java Developer
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