RE: XML and Objects
At 06:40 AM 9/28/98, Peter Murray-Rust wrote: >At 20:47 27/09/98 -0700, Gregory M. Messner wrote: >>2) We desire to provide an API on the client side which exposes a simple >>mechanism for creating and modifying objects. ... >I think a number of people on XML-DEV have a very similar requirement: The >Coins approach, the SUN early release of XML, XXX (Steve Withall) and >JUMBO. We all want object functionality client-side. The balance between >client and server may differ, but we need an element-object API. Tim Bray wrote: >This can/should be built on top of the DOM, right? -Tim If on top of the DOM you mean that you would would completely populate the DOM, then build the corresponding objects, then I would tend to disagree. I have had good luck and performance restoring objects from a large (>2MB) XML file responding to events from Expat. If I first built an in-memory representation and then processed the information, I don't think that I could get nearly the same performance. I would think an object creation and link resolution layer on top of SAX would be preferable. p.s. I've downloaded the Sun XML Early Access, but I can only find passing references to XML Beans. Is there a specific document and/or source file that clarify what they mean by XML Beans. The two alternative interpretation of the term that I have contemplated are: 1. Java Beans that modify the behavior of the parser 2. A serialization mechanism for Java Beans
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