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   RE: [xml-dev] Question on XSD validator

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  • To: "Michael Kay" <mike@saxonica.com>, <xml-dev@lists.xml.org>
  • Subject: RE: [xml-dev] Question on XSD validator
  • From: "Saha Rabindra N" <saha.rn@mellon.com>
  • Date: Wed, 18 May 2005 14:01:34 -0400
  • Importance: normal
  • Priority: normal
  • Thread-index: AcU1V7ZrPb07U5cxSm2NRs9K/6YZGQmc6haAAABbgwAAAVc+AA==
  • Thread-topic: [xml-dev] Question on XSD validator

Thanks Michael for your such a quick response.
I believe all that you mentioned Xerces, MSXML, XSV  are xml library only. In that line do you know whether libxml2-2.6.17 library for Unix has the same feature or not.
Also, my understanding is that if I use some library like the above then I need to write my own program to validate an XML document.

Whereas if I use products like Saxon or Stylus studio or XML Spy then it is just easy and one click solution.

Please correct me,


-----Original Message-----
From: Michael Kay [mailto:mike@saxonica.com]
Sent: Wednesday, May 18, 2005 1:20 PM
To: Saha Rabindra N; xml-dev@lists.xml.org
Subject: RE: [xml-dev] Question on XSD validator

>   Can somebody please tell me how to validate an XML document 
> with a given XSD ?
> Is the XSD validator part of an XML library [like Xerces, 
> libxml2 etc] itself or there exist some separate library to 
> validate an XML document using XSD ?

There are a number of tools including Xerces, MSXML, XSV.

The way you do validation depends on the tool that you are using. If you
install the schema-aware version of Saxon, you can use the command line:

java com.saxonica.Validate source.xml schema.xsd

I find that the easiest way to do ad-hoc validation (i.e., not integrated
into an application) is to use a tool such as Stylus Studio. One of the nice
things is that Stylus allows you to validate using a range of different
processors - if your document is invalid, it can be helpful to get the error
messages from more than one processor. By contrast, XML Spy uses its own
schema processor, which is not always 100% conformant with the spec.

Michael Kay

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