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XML and DTD pasring

• From: <david@m...>
• To: "XML Developers' List" <xml-dev@i...>
• Date: Mon, 19 Oct 1998 11:37:45 -0400 (EDT)

Sung Nguyen writes:

 > With IBM Alpha Parser,  It is working fine with
 > both DTD and XML in the same files.  But, when I have
 > DTD in a separated file stored in a buffer - also the
 > XML file is stored in a buffer too. The parser doen't
 > provide the API to do that job.

I haven't tested the SAX support in XML4J recently, but if it supports
EntityResolvers correctly, you can simply make up a URI for the
external DTD, and then supply your own Reader for the buffer when you
see the URI.

For more information, see

  http://www.megginson.com/SAX/javadoc/org.xml.sax.EntityResolver.html

It is possible to use entity resolvers in quite clever ways -- you can 
also pull information out of a database, request user input in a
dialog box, etc.  I wish that I could take credit for the idea, but I
think that the original suggestion came from James Clark.


All the best,


David

-- 
David Megginson                 david@m...
           http://www.megginson.com/

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