org.apache.xerces.impl.dv.dtd
Class IDDatatypeValidator

java.lang.Object
  org.apache.xerces.impl.dv.dtd.IDDatatypeValidator

All Implemented Interfaces:

DatatypeValidator

Direct Known 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 446749 2006-09-15 21:51:23Z mrglavas $

Author:

Jeffrey Rodriguez, IBM, Sandy Gao, IBM

Constructor Summary

IDDatatypeValidator()

Method Summary

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

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IDDatatypeValidator

public IDDatatypeValidator()

Method Detail

validate

public void validate(java.lang.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

Throws:

InvalidDatatypeException - if the content is invalid according to the rules for the validators

InvalidDatatypeValueException

See Also:

InvalidDatatypeValueException