sax2: cdata, characters and ignorable whitespace

[Stefan Haustein]

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, 
CHARACTERS, or CDATA. 

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 
time.

setDocumentHandler (org.xml.sax.DocumentHandler documentHandler) 

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

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

Best regards

Stefan

 

-- 
Stefan Haustein
University of Dortmund
Computer Science VIII
www-ai.cs.uni-dortmund.de

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