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IDREFDatatypeValidator.javaAPI DocApache Xerces 3.0.12882Fri Sep 14 20:33:52 BST 2007org.apache.xerces.impl.dv.dtd

IDREFDatatypeValidator

public class IDREFDatatypeValidator extends Object implements DatatypeValidator

IDREFDatatypeValidator - represents the IDREFS attribute type from XML 1.0 recommendation. The Value Space of IDREF is the set of all strings that match the NCName production and have been used in an XML Document as the value of an element or attribute of Type ID. The Lexical space of IDREF is the set of strings that match the NCName production.

The Value space of IDREF is scoped to a specific instance document

xerces.internal
author
Jeffrey Rodriguez, IBM
author
Sandy Gao, IBM
version
$Id: IDREFDatatypeValidator.java 446749 2006-09-15 21:51:23Z mrglavas $

Fields Summary
Constructors Summary
public IDREFDatatypeValidator()
Methods Summary
public voidvalidate(java.lang.String content, ValidationContext context)
Checks that "content" string is valid IDREF value. If invalid a Datatype validation exception is thrown.

param
content the string value that needs to be validated
param
context the validation context
throws
InvalidDatatypeException if the content is invalid according to the rules for the validators
see
InvalidDatatypeValueException


        //Check if is valid key-[81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')*
        if(context.useNamespaces()) {
            if (!XMLChar.isValidNCName(content)) {
                throw new InvalidDatatypeValueException("IDREFInvalidWithNamespaces", new Object[]{content});
            }
        }
        else {
            if (!XMLChar.isValidName(content)) {
                throw new InvalidDatatypeValueException("IDREFInvalid", new Object[]{content});
            }
        }

        context.addIdRef(content);