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## org.apache.xerces.impl.dtd
Class XMLNSDTDValidator

    java.lang.Object
      |
      +--org.apache.xerces.impl.dtd.XMLDTDValidator
            |
            +--org.apache.xerces.impl.dtd.XMLNSDTDValidator

All Implemented Interfaces:
  org.apache.xerces.xni.parser.XMLComponent, org.apache.xerces.xni.parser.XMLDocumentFilter, org.apache.xerces.xni.XMLDocumentHandler, org.apache.xerces.xni.parser.XMLDocumentSource, XMLDTDValidatorFilter

public class XMLNSDTDValidator
extends XMLDTDValidator

The DTD validator. The validator implements a document filter: receiving document events from the scanner; validating the content and structure; augmenting the InfoSet, if applicable; and notifying the parser of the information resulting from the validation process.

Formerly, this component also handled DTD events and grammar construction. To facilitate the development of a meaningful DTD grammar caching/preparsing framework, this functionality has been moved into the XMLDTDLoader class. Therefore, this class no longer implements the DTDFilter or DTDContentModelFilter interfaces.

This component requires the following features and properties from the component manager that uses it:

- http://xml.org/sax/features/namespaces
- http://xml.org/sax/features/validation
- http://apache.org/xml/features/validation/dynamic
- http://apache.org/xml/properties/internal/symbol-table
- http://apache.org/xml/properties/internal/error-reporter
- http://apache.org/xml/properties/internal/grammar-pool
- http://apache.org/xml/properties/internal/datatype-validator-factory

Version:
  $Id: XMLNSDTDValidator.java,v 1.5 2002/12/16 01:26:20 elena Exp $
Author:
  Elena Litani, IBM

Fields inherited from class org.apache.xerces.impl.dtd.XMLDTDValidator
`DATATYPE_VALIDATOR_FACTORY, DYNAMIC_VALIDATION, ERROR_REPORTER, fDatatypeValidatorFactory, fDocLocation, fDocumentHandler, fDocumentSource, fDTDGrammar, fDTDValidation, fDynamicValidation, fErrorReporter, fGrammarBucket, fGrammarPool, fNamespaceContext, fNamespaces, fSeenDoctypeDecl, fSymbolTable, fValENTITIES, fValENTITY, fValID, fValidation, fValidationManager, fValidationState, fValIDRef, fValIDRefs, fValNMTOKEN, fValNMTOKENS, fValNOTATION, fWarnDuplicateAttdef, GRAMMAR_POOL, NAMESPACES, SYMBOL_TABLE, VALIDATION, VALIDATION_MANAGER, WARN_ON_DUPLICATE_ATTDEF`

Constructor Summary
`XMLNSDTDValidator()`

Method Summary
`protected void` | `endNamespaceScope(org.apache.xerces.xni.QName element, org.apache.xerces.xni.Augmentations augs, boolean isEmpty)` Handles end element.
`protected void` | `startNamespaceScope(org.apache.xerces.xni.QName element, org.apache.xerces.xni.XMLAttributes attributes, org.apache.xerces.xni.Augmentations augs)` Bind namespaces

Methods inherited from class org.apache.xerces.impl.dtd.XMLDTDValidator
`addDTDDefaultAttrsAndValidate, characters, comment, doctypeDecl, emptyElement, endCDATA, endDocument, endElement, endGeneralEntity, getDocumentHandler, getDocumentSource, getExternalEntityRefInAttrValue, getFeatureDefault, getPropertyDefault, getRecognizedFeatures, getRecognizedProperties, handleEndElement, handleStartElement, hasGrammar, ignorableWhitespace, init, invalidStandaloneAttDef, isSpace, processingInstruction, reset, setDocumentHandler, setDocumentSource, setFeature, setProperty, startCDATA, startDocument, startElement, startGeneralEntity, textDecl, validate, validateDTDattribute, xmlDecl`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### XMLNSDTDValidator

    public XMLNSDTDValidator()

Method Detail

### startNamespaceScope

    protected final void startNamespaceScope(org.apache.xerces.xni.QName element,
                                             org.apache.xerces.xni.XMLAttributes attributes,
                                             org.apache.xerces.xni.Augmentations augs)
                                      throws org.apache.xerces.xni.XNIException

  Bind namespaces
  Overrides:
    `startNamespaceScope` in class `XMLDTDValidator`

### endNamespaceScope

    protected void endNamespaceScope(org.apache.xerces.xni.QName element,
                                     org.apache.xerces.xni.Augmentations augs,
                                     boolean isEmpty)
                              throws org.apache.xerces.xni.XNIException

  Handles end element.
  Overrides:
    `endNamespaceScope` in class `XMLDTDValidator`

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