xml-dev - RE: SAX2: Handler Interfaces

[David Megginson <david@megginson.com>]

Box, Don writes:

 > > 1. In Java, it's not possible to use multiple class inheritance, so a
 > >    class that needs to inherit from something else (say, HashMap)
 > >    cannot also inherit from HandlerBase (SAX1) or DefaultHandler
 > >    (SAX2); that means that many implementors have to implement *every*
 > >    method in the interface.  
 > 
 > I wasn't advocating folding the methods of all four interfaces into
 > a single "mega-interface". Rather, I was advocating a change to the
 > way an XMLReader implementation acquires the "auxiliary" interfaces
 > once it gets a content handler.

I don't think that it would be a good idea to change that: first, it
won't work very well in vanilla C++, and second, it makes it
impossible, say, to use your own error handling routines together any
other handler derived from DefaultHandler.


All the best,


David

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

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