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(If a combination is not supported by a particular implementation, it is required to generate a factory configuration error.) Although a full treatment of XML Schema is beyond the scope of this tutorial, this section shows you the steps you take to validate an XML document using an existing schema written in the XML Schema language.(To learn more about XML Schema, you can review the online tutorial, Note: There are multiple schema-definition languages, including RELAX NG, Schematron, and the W3C "XML Schema" standard.Fortunately, Oxygen provides functions that make error identification fast and easy.Oxygen integrates the latest version of the Xerces-J XML parser to validate documents against XML Schemas.So now you know that a DTD is a requirement for a valid document. What happens when you run the parser on your current version of the slide presentation, with the DTD specified? That code is reproduced here: is a validation error, although you have seen that it can also be generated if the file specifies a version of XML that the parser is not prepared to handle.Remember that your application will not generate a validation exception unless you supply an error handler such as the one here.The last step is to configure the parser to tell it which schema language to use.
Although the phrase "XML Schema schema" would be precise, we'll use the phrase "XML Schema definition" to avoid the appearance of redundancy.
If the parser is not 1.2-compliant and therefore does not support XML Schema, it can throw a Note: You'll learn about namespaces in Validating with XML Schema.
For now, think of these attributes as the "magic incantation" you use to validate a simple XML file that doesn't use them.
I'm using a sample XSD file from Microsoft, Why do you care?
Your schema validates the XML nodes that are in your namespace.
I'm running into real difficulties validating XML with XSD.