RE: validating against the standard W3C
can i use xmlspy with a java api ...
i want to call a validation on the file before uploading to a database
this validation has to be done in a java context (java api)
From: AndrewWatt2000@a... [mailto:AndrewWatt2000@a...]
Sent: Tuesday, December 11, 2001 1:37 PM
Subject: Re: validating against the standard W3C
In a message dated 11/12/01 11:32:13 GMT Standard Time, Bart.Boogaerts@A... writes:
The basic problem at this point in time is being totally sure of what the gold standard is. The W3C XML Schema Rec, particularly Part 1, seems almost designed to be impenetrable. [I have had my knuckles rapped before for saying that, but I still believe it to be true.]
Inevitably implementors have to interpret the impenetrable and implementors differ in how they do interpret it. I would suggest that at this point in the development of XSD Schema (W3C XML Schema) tools that there is some sort of safety in numbers.
Take a look at the schema validation facilities in XML Spy and in Turbo XML from Extensibility. Both are fairly good validators and have free evaluation downloads available. I spent several weeks working with both downloads on a range of (relatively brief) schemas. Occasionally Turbo XML (2.2.1 I think) would miss errors and slightly more often XML Spy (4.01 I think) would declare spurious errors.
So if you put those validators and their error messages together with the results from the tool you are already using then you will begin to (hopefully) creep closer to the truth.
Others may disagree but for a little time yet I don't think one can safely assume that the absence of an error message from a W3C XML Schema validation tool accurately predicts the absence of errors nor does an error message necessarily accurately predict the presence of errors.
Some patience is called for - both in working through the current situation and also in waiting for the next iteration of (constantly improving) tools.
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