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 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:

$Id$

Author:

Jeffrey Rodriguez, IBM, Sandy Gao, IBM

Constructor Summary

Constructors

Constructor and Description
IDDatatypeValidator()

Method Summary

Methods

Modifier and Type	Method and Description
void	validate(String content, ValidationContext context) Checks that "content" string is valid ID value.

Methods inherited from class java.lang.Object

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

Constructor Detail

IDDatatypeValidator

public IDDatatypeValidator()

Method Detail

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

Throws:

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

InvalidDatatypeValueException

See Also:

InvalidDatatypeValueException