# Xerces2 Implementation: Interface RevalidationHandler

## org.apache.xerces.impl
Interface RevalidationHandler

All Superinterfaces:
  org.apache.xerces.xni.parser.XMLDocumentFilter, org.apache.xerces.xni.XMLDocumentHandler, org.apache.xerces.xni.parser.XMLDocumentSource

All Known Implementing Classes:
  XMLSchemaValidator

public interface RevalidationHandler
extends org.apache.xerces.xni.parser.XMLDocumentFilter

DOM Revalidation handler adds additional functionality to XMLDocumentHandler

Version:
  $Id: RevalidationHandler.java,v 1.5 2003/11/14 09:25:12 venu Exp $
Author:
  Elena Litani, IBM

Method Summary
`boolean` `characterData(java.lang.String data, org.apache.xerces.xni.Augmentations augs)` Character content.

Methods inherited from interface org.apache.xerces.xni.XMLDocumentHandler
`characters, comment, doctypeDecl, emptyElement, endCDATA, endDocument, endElement, endGeneralEntity, getDocumentSource, ignorableWhitespace, processingInstruction, setDocumentSource, startCDATA, startDocument, startElement, startGeneralEntity, textDecl, xmlDecl`

Methods inherited from interface org.apache.xerces.xni.parser.XMLDocumentSource
`getDocumentHandler, setDocumentHandler`

Method Detail

### characterData

    public boolean characterData(java.lang.String data,
                                 org.apache.xerces.xni.Augmentations augs)

  Character content.
  Parameters:
    `data` - The character data.
    `augs` - Augmentations
  Returns:
    True if data is whitespace only

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