----- Original Message -----
From: "Andy Clark" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, August 15, 2001 8:42 PM
Subject: Re: [Xerces2] Pull Parsing
> Ted Leung wrote:
> > As I said, I can live with this, but it does seem unclean,
> > because the pull parser API shouldn't be exposed in the
> > Configuration.
>
> I'm still thinking that the parser configuration should
> have the methods (just like the document and DTD scanner
> interfaces have this ability). However, all configurations
> are not required to be able to do pull-parsing. If the
> configuration doesn't support it, then calling parse with
> a value of false (in order to parse only the next bit of
> the document) would do nothing.
>
> If we end up not exposing the pull parsing through the
> configuration interface (and possibly through the parser
> implementations), then people can't take a generic
> configuration and perform pull parsing for the existing
> DOM and SAX parsers. Then we're back in the situation we
> had before when we didn't have scanner interfaces: people
> could build configurations but never *start* parsing them
> in a generic way.
Okay, this is convincing and I don't see another way around this.
So I guess we have to add the methods to the default configuration.
> > Well, let's talk about this how this would work -- You'd have
> > to return an object that that had say:
> >
> > public interface PullParserAPI {
> > public void setInputSource (InputSource);
> > public boolean parseDocument(boolean);
> > }
>
> Interesting. I still don't like the property object
> because it can only be checked at run-time when you
> want to know at compile-time that you have this
> capability. Another option would be to extend the
> XMLParserConfiguration interface. For example:
>
> public interface XMLPullParserConfiguration
> extends XMLParserConfiguration {
> public void setInputSource(InputSource) throws ...;
> public boolean parseDocument(boolean) throws ...;
> }
I think that we should have one of these as well for the API that Alek and
I are discussing.
> Then if your configuration that you're using is an
> instanceof XMLPullParserConfiguration, you know that
> the configuration supports that capability.
>
> --
> Andy Clark * IBM, TRL - Japan * [EMAIL PROTECTED]
>
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