Christian Sengstock wrote:
Hello list,
in my application i generate dynamically a BufferedImage object and i
want to complete the pipeline with sending the image as a "mime-type:
image/jpeg" response.
At the moment i have a matcher which takes the request and calls a
flowScript function which in turn handles the dynamic creation of the
BufferedImage. Afterwards i save the image to disk and send the URI of
the image-file via the cocoon.sendPage( <filename.jpeg> ) function to
the sitemap, where a reader handles the proper response as a mime-type
image/jpeg.
This is working for me but i thought that there might be a better
approach to do this. Maybe without saving the BufferedImage to disk.
Can anybody give me a hint how to create a "mime-type: image" response
out of a BufferedImage? Maybe it's possible by extending a reader or
by using a serializer?
If you can get the content of your BufferedImage as an InputStream or
byte[] array (sorry I don't know that API), then you can pass it along
as view data in sendPage(), and serve it up with the standard
ResourceReader and the ModuleSource:
=== flowscript: ===
var imageInputStream = ...
cocoon.sendPage("image-pipeline", {imageInputStream:imageInputStream});
==== sitemap: ===
<map:match pattern="image-pipeline">
<map:read src="module:flow-attr:imageInputStream"
mime-type="image/jpeg" />
</map:match>
--Jason
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