Why SAX needs namespace support

[Michael.Kay at icl.com]

> 
> Try this on.  First, we create a new exception:
> 
>   public class SAXUnsupportedFeatureException extends SAXException
> 
> then we add some fun new methods to the extended Parser class
> 
>   public void setNamespaceProcessing (boolean flag)
>     throws SAXUnsupportedFeatureException;
> 
>   public void setValidation (boolean flag)
>     throws SAXUnsupportedFeatureException;
> 
>   public void setEntityExpansion (boolean flag)
>     throws SAXUnsupportedFeatureException;
> 

I like it.

Perhaps the methods should be able to throw other exceptions, e.g. if you
call setValidation() half-way through parsing a document.

Perhaps a setOption(option, flag) interface would be more extensible.

Perhaps there should also be a getOption() method.

Mike Kay

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