/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package mf.org.apache.xerces.impl.dv.dtd;
import mf.org.apache.xerces.impl.dv.DatatypeValidator;
import mf.org.apache.xerces.impl.dv.InvalidDatatypeValueException;
import mf.org.apache.xerces.impl.dv.ValidationContext;
import mf.org.apache.xerces.util.XMLChar;
/**
* <P>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.</P>
* <P>The Value space of IDREF is scoped to a specific
* instance document</P>
*
* @xerces.internal
*
* @author Jeffrey Rodriguez, IBM
* @author Sandy Gao, IBM
*
* @version $Id: IDREFDatatypeValidator.java 699892 2008-09-28 21:08:27Z mrglavas $
*/
public class IDREFDatatypeValidator implements DatatypeValidator {
// construct an IDREF datatype validator
public IDREFDatatypeValidator() {
}
/**
* 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
*/
public void validate(String content, ValidationContext context) throws 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);
}
}