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Re: SAX Namespaces? ContentHandlers? Jobs.

  • From: David Megginson <david@m...>
  • To: xml-dev@x...
  • Date: Mon, 17 Apr 2000 16:18:37 -0400 (EDT)

Re: SAX Namespaces? ContentHandlers? Jobs.
Ean R . Schuessler writes:

 > On Tue, Apr 11, 2000 at 04:20:40PM -0400, David Megginson wrote:
 > > See the SAX2 org.xml.sax.XMLFilter interface.
 > 
 > I am aware of this interface. Serializers do not tend to implement this
 > interface because they do not forward events, they do their job and 
 > serialize the data to some native format. My point being that most chains
 > start with a reader, connect to a series of filters and terminate with a
 > serializer. With the current API serializers cannot access the object that
 > is feeding them events because they have no way to obtain a reference to 
 > their parent. So, back to my original question, how does a serializer query
 > its upstream filters and readers for capabilities (ie. string-interning)?

If the serializer is an integral part of the application, then the
application can provide it with a reference to the XMLReader; if the
serializer is part of a library, then it can extend the XMLFilter
interface, or the application can pass information on to it through
additional setters.


All the best,


David

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

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