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   sax2: cdata, characters and ignorable whitespace

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  • From: Stefan Haustein <haustein@ls8.cs.uni-dortmund.de>
  • To: xml-dev <xml-dev@ic.ac.uk>
  • Date: Tue, 04 Jan 2000 13:58:19 +0100

If sax2 shall report cdata boundaries also, 
wouldn't be the simples solution to integrate 
ignoreableWhitespace, characters and cdata 
into one DocumentHandler callback method:

void characters (int type, char [] characters, int start, int length);

The value of the type parameter is one of 
the integer constants IGNORABLE_WHITESPACE, 

SAX1 compatibility could be achived by having
two setDocumentHandler methods in the Parser interface:

setDocumentHandler (org.xml.sax2.DocumentHandler);

and the old

setDocumentHandler (org.xml.sax.DocumentHandler);

as already "proposed"(?) by David, but with different
behavior: Only one handler can be active at the same 

setDocumentHandler (org.xml.sax.DocumentHandler documentHandler) 

is just a convenience method and 
should be implementded as follows:

setDocumentHandler (org.xml.sax.DocumentHandler sax1DocumentHandler) {
    (new org.xml.sax2.helpers.Sax1DocumentHandlerWrapper 

Best regards



Stefan Haustein
University of Dortmund
Computer Science VIII

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