Validator JDK 1.6)

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publicabstract ErrorHandler getErrorHandler ()

Gets the current ErrorHandler set to this Validator.

public boolean getFeature (String name) throws SAXNotRecognizedException SAXNotSupportedException

Look up the value of a feature flag.

public Object getProperty (String name) throws SAXNotRecognizedException SAXNotSupportedException

Look up the value of a property.

publicabstract LSResourceResolver getResourceResolver ()

Gets the current LSResourceResolver set to this Validator.

publicabstract void reset ()

Reset this Validator to its original configuration.

publicabstract void setErrorHandler (ErrorHandler errorHandler)

Sets the ErrorHandler to receive errors encountered during the validate method invocation.

Error handler can be used to customize the error handling process during a validation. When an ErrorHandler is set, errors found during the validation will be first sent to the ErrorHandler.

The error handler can abort further validation immediately by throwing SAXException from the handler. Or for example it can print an error to the screen and try to continue the validation by returning normally from the ErrorHandler

If any Throwable is thrown from an ErrorHandler, the caller of the validate method will be thrown the same Throwable object.

Validator is not allowed to throw SAXException without first reporting it to ErrorHandler.

When the ErrorHandler is null, the implementation will behave as if the following ErrorHandler is set:

 class DraconianErrorHandler implements ErrorHandler {
     public void fatalError( SAXParseException e ) throws SAXException {
         throw e;
     }
     public void error( SAXParseException e ) throws SAXException {
         throw e;
     }
     public void warning( SAXParseException e ) throws SAXException {
         // noop
     }
 }

When a new Validator object is created, initially this field is set to null.
Parameters:
- errorHandler - A new error handler to be set. This parameter can be null.

public void setFeature (String name, boolean value) throws SAXNotRecognizedException SAXNotSupportedException

Set the value of a feature flag.

public void setProperty (String name, Object object) throws SAXNotRecognizedException SAXNotSupportedException

Set the value of a property.

publicabstract void setResourceResolver (LSResourceResolver resourceResolver)

Sets the LSResourceResolver to customize resource resolution while in a validation episode.

Validator uses a LSResourceResolver when it needs to locate external resources while a validation, although exactly what constitutes "locating external resources" is up to each schema language.

When the LSResourceResolver is null, the implementation will behave as if the following LSResourceResolver is set:

 class DumbLSResourceResolver implements LSResourceResolver {
     public LSInput resolveResource(
         String publicId, String systemId, String baseURI) {
         
         return null; // always return null
     }
 }

If a LSResourceResolver throws a RuntimeException (or instances of its derived classes), then the Validator will abort the parsing and the caller of the validate method will receive the same RuntimeException.

When a new Validator object is created, initially this field is set to null.
Parameters:
- resourceResolver - A new resource resolver to be set. This parameter can be null.

public void validate (Source source) throws SAXException IOException

Validates the specified input.

This is just a convenience method for Validator.validate(Source source, Result result) with result of null.

Parameters:
- source - XML to be validated. Must be an XML document or XML element and must not be null. For backwards compatibility, the results of attempting to validate anything other than a document or element are implementation-dependent. Implementations must either recognize and process the input or throw an IllegalArgumentException.
Throws:
- IllegalArgumentException - If the Source is an XML artifact that the implementation cannot validate (for example, a processing instruction).
- SAXException - If the {@link ErrorHandler} throws a {@link SAXException} or if a fatal error is found and the {@link ErrorHandler} returns normally.
- IOException - If the validator is processing a {@link javax.xml.transform.sax.SAXSource} and the underlying {@link org.xml.sax.XMLReader} throws an {@link IOException}.
- NullPointerException - If source is null.
See Also: Validator.validate(Source source, Result result),

publicabstract void validate (Source source, Result result) throws SAXException IOException

Validates the specified input and send the augmented validation result to the specified output.

This method places the following restrictions on the types of the Source/Result accepted.

`Source` / `Result` Accepted
	`StreamSource`	`SAXSource`	`DOMSource`	`StAXSource`
`null`	OK	OK	OK	OK
`StreamResult`	OK	`IllegalArgumentException`	`IllegalArgumentException`	`IllegalArgumentException`
`SAXResult`	`IllegalArgumentException`	OK	`IllegalArgumentException`	`IllegalArgumentException`
`DOMResult`	`IllegalArgumentException`	`IllegalArgumentException`	OK	`IllegalArgumentException`
`StAXResult`	`IllegalArgumentException`	`IllegalArgumentException`	`IllegalArgumentException`	OK

To validate one Source into another kind of Result, use the identity transformer (see TransformerFactory.newTransformer()).

Errors found during the validation is sent to the specified ErrorHandler.

If a document is valid, or if a document contains some errors but none of them were fatal and the ErrorHandler didn't throw any exception, then the method returns normally.

Parameters:
- source - XML to be validated. Must be an XML document or XML element and must not be null. For backwards compatibility, the results of attempting to validate anything other than a document or element are implementation-dependent. Implementations must either recognize and process the input or throw an IllegalArgumentException.
- result - The Result object that receives (possibly augmented) XML. This parameter can be null if the caller is not interested in it. Note that when a DOMResult is used, a validator might just pass the same DOM node from DOMSource to DOMResult (in which case source.getNode()==result.getNode()), it might copy the entire DOM tree, or it might alter the node given by the source.
Throws:
- IllegalArgumentException - If the Result type doesn't match the Source type of if the Source is an XML artifact that the implementation cannot validate (for example, a processing instruction).
- SAXException - If the ErrorHandler throws a SAXException or if a fatal error is found and the ErrorHandler returns normally.
- IOException - If the validator is processing a SAXSource and the underlying {@link org.xml.sax.XMLReader} throws an IOException.
- NullPointerException - If the source parameter is null.
See Also: Validator.validate(Source source),