The standard NetAccessor doesn't support proxy authentication, so if
this is your case, you should recompile Xerces specifying -n libwww to
runConfigure. If you don't want to switch to libWWW, you can also
implement an EntityHandler to intercept the request for the schema and
either load a local copy (best performances) or use your preferred net
API to download the file (see the Redirect sample for an example)
Alberto
Lihong Pei wrote:
Hi, Martin,
Sorry I don't know the answer to your question. I'm querying the experts
in the Apache xercesc group for suggestions.
Thanks,
Lihong
-----Original Message-----
From: Martin Sinclair
Sent: Friday, April 11, 2008 9:24 AM
To: Lihong Pei
Subject: Xerces-C and http: access
Hi; I've been doing some work using the Xerces-C library, and I was
wondering if you could help me.
I've been using XercesDOMParser to parse xml files; and I would like to
implement schema validation. I can validate my xml files against a
schema, if that schema is a local file. But when I try to validate my
xml files against a web URL (in this case
http://www.spiritconsortium.org/XMLSchema/SPIRIT/1.4/index.xsd) the
XercesDOMParser::parse operation throws an exception.
The Xerces-C FAQ suggests that I use XMLNetAccessor, but it only says
"Xerces-C++ provides the NetAccessor interface. The header file is
src/xercesc/util/XMLNetAccessor.hpp. This interface allows you to plug
in your own implementation of URL networking code into the Xerces-C++
parser". It doesn't give any examples, or say how to plug things in.
Have you got, or do you know where I could find, a piece of example code
where Xerces reads something from outside the Xilinx firewall?
Thanks very much,
Martin
_
/ /\/ Martin Sinclair
\ \ Solutions Development Group
/ / Xilinx Scotland
\_\/\ Tel: +44 (0)131 312 5049 or (826) 5049
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