On Wed, 12 Sep 2001, Alistair Hopkins wrote:
Thanks! That works. So FOP can handle fo:external-graphic images at
the end of an HTTP URL.
> Try replacing & with &
> & is a reserved character and the XML parser is interpreting as the start of
> an entity before it even reaches fop.
>
> -----Original Message-----
> From: Jocelyn Paine [mailto:[EMAIL PROTECTED]]On Behalf Of Jocelyn Paine
> Sent: Wednesday, September 12, 2001 12:24 PM
> To: [EMAIL PROTECTED]
> Subject: Can fo:external-graphic refer to image URLs? (fwd)
>
>
> I notice that in all the examples I've seen, the src attribute of
> fo:external-graphic points at a file. Can it refer to a URL? I wish to
> generate PDF pages which contain lots of graphs. These graphs are
> dynamically generated by a servlet which takes a URL containing the
> data points in its query parameters, plots the graph on the spot, and
> streams it back. So one of our URLs might look like
> http://oursite/plotter/?points=1,2;3,4;5,6&caption=Growth&size=small
>
> I've just tried this with FOP 0.20.1 and get back an error message:
> Reference to entity "points" must end with the ';' delimiter. This
> strongly suggests that it doesn't know how to parse URLs. (The URL is a
> bit longer than the example above, and contains some escaped characters,
> but it is valid and understood by both Netscape and IE.)
>
> Of course, to be able to convert such dynamic URLs, FOP would need to make
> an HTTP connection with the server and download the image, but that ought
> to be possible. So if FOP can't handle images at the end of URLs, my
> easiest bet might be to amend the source so it can - Java makes that easy
> enough. Where in the source would I look?
>
> Jocelyn Paine
> http://www.ifs.org.uk/~popx/
> +44 (0)7768 534 091
>
>
>
>
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