org.apache.xerces.impl.dv.dtd

Class IDDatatypeValidator

Implemented Interfaces:
DatatypeValidator
Known Direct Subclasses:
XML11IDDatatypeValidator

public class IDDatatypeValidator
extends java.lang.Object
implements DatatypeValidator

IDDatatypeValidator - ID represents the ID attribute type from XML 1.0 Recommendation. The value space od ID is the set of all strings that match the NCName production and have been used in an XML document. The lexical space of ID is the set of all strings that match the NCName production.

The value space of ID is scoped to a specific instance document.

The following constraint applies: An ID must not appear more than once in an XML document as a value of this type; i.e., ID values must uniquely identify the elements which bear them.

Version:
$Id: IDDatatypeValidator.java,v 1.9 2004/10/06 14:56:51 mrglavas Exp $
Authors:
Jeffrey Rodriguez, IBM
Sandy Gao, IBM

Constructor Summary

IDDatatypeValidator()

Method Summary

void
validate(String content, ValidationContext context)
Checks that "content" string is valid ID value.

Constructor Details

IDDatatypeValidator

public IDDatatypeValidator()

Method Details

validate

public void validate(String content,
                     ValidationContext context)
            throws InvalidDatatypeValueException
Checks that "content" string is valid ID value. If invalid a Datatype validation exception is thrown.
Specified by:
validate in interface DatatypeValidator
Parameters:
content - the string value that needs to be validated
context - the validation context

Copyright B) 1999-2005 Apache XML Project. All Rights Reserved.