RE: [xml-dev] What should TrAX look like? (Was: Re: [xml-dev] Article on JAXP 1.3 "Fast and Easy XML Processing")

["Dare Obasanjo" <dareo@microsoft.com>]

> -----Original Message-----
> From: Bill de hÓra [mailto:bill.dehora@propylon.com] 
> Sent: Thursday, February 17, 2005 12:14 PM
> To: Elliotte Harold
> Cc: 'XML Developers List'
> Subject: Re: [xml-dev] What should TrAX look like? (Was: Re: 
> [xml-dev] Article on JAXP 1.3 "Fast and Easy XML Processing")
> 
> 
> I thought I had already indicated:
> 
>   - that a heavily overloaded method indicates a missing 
> abstraction [1]
> 
>   - that Source is not ideal, but a better basis for 
> evolution than a class with a heavily overloaded method.

I find it interesting you claim this when in other responses to this thread Elliote has basically been discussing porting the .NET model to Java (streaming abstraction = XmlReader, tree model abstraction = IXPathNavigable). A model where I can implement an API that accepts an interface yet still have to mess around with casting indicates that there is a missing abstraction (i.e Source). On the other hand it seems you have confused the existence of multiple abstractions to deal with multiple use cases (streaming vs. in-memory XML, text output vs. xml output) as some sort of flaw in the .NET design. 


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