Validating xml file in

URL schema File = new URL(" // webapp example xsd: // URL schema File = new URL(" // local file example: // File schema File = new File("/location/to/localfile.xsd"); // etc.

If you use a DOM parser explicitly for validation, you will definitely instantiate a DOM tree. Is is a case of just creating the Error Handler and associating it with the validator? // parse an XML document into a DOM tree Document Builder parser = Document Builder Instance()Document Builder(); Document document = parser.parse(new File("instance.xml")); // create a Schema Factory capable of understanding WXS schemas Schema Factory factory = Schema Instance(XMLConstants. If I use an Error Handler (own class that implements Error Handler) instead, it recognizes all errors, but the try-catch-block of validator.validate does not throw any Exception..

W3C_XML_SCHEMA_NS_URI); // load a WXS schema, represented by a Schema instance Source schema File = new Stream Source(new File("my Schema.xsd")); Schema schema = Schema(schema File); // create a Validator instance, which can be used to validate an instance document Validator validator = Validator(); // validate the DOM tree try catch (SAXException e) Working this way, a SAXException would be thrown at the first error in the xml-file and stops then the validation. How do I recognize an error in the class that invokes the validate-method of my validator? is probably a network location, so it'll go out and hit the network with each and every validation, not always optimal.

asp net objectdatasource updating - Validating xml file in

Errors in XML documents will stop your XML applications.

The W3C XML specification states that a program should stop processing an XML document if it finds an error.

This will start creating DOM objects as it parses the document - wasteful if you aren't going to use them.

You should not use the DOMParser to validate a document (unless your goal is to create a document object model anyway).

The validator checks for well formedness first, meaning that your XML file must be parsable using a DOM/SAX parser, and only then does it validate your XML against the XML Schema.

The validator will report fatal errors, non-fatal errors and warnings.Permissions beyond the scope of this license may be available at [email protected] A JAXP implementation could legally use a DOM parser in this case, but there is no reason to. Set Error Handler() as in the example in this SO question…? Sun's JDK 6 uses SAX parser with a Stream Source. @ziggy - this is an implementation detail of the JAXP implementation.Many formation errors are easy to spot in the syntax highlighting, so you can easily correct obvious errors on-the-fly.


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