1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * Copyright 1999-2002,2004 The Apache Software Foundation.
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 package com.sun.org.apache.xerces.internal.impl.dv.dtd;
  22 
  23 import com.sun.org.apache.xerces.internal.impl.dv.*;
  24 import com.sun.org.apache.xerces.internal.util.XML11Char;
  25 
  26 /**
  27  * <P>IDREFDatatypeValidator - represents the IDREFS
  28  * attribute type from XML 1.1 recommendation. The
  29  * Value Space of IDREF is the set of all strings
  30  * that match the NCName production and have been
  31  * used in an XML Document as the value of an element
  32  * or attribute of Type ID. The Lexical space of
  33  * IDREF is the set of strings that match the NCName
  34  * production.</P>
  35  * <P>The Value space of IDREF is scoped to a specific
  36  * instance document</P>
  37  *
  38  * @xerces.internal
  39  *
  40  * @author Jeffrey Rodriguez, IBM
  41  * @author Sandy Gao, IBM
  42  * @author Neil Graham, IBM
  43  *
  44  */
  45 public class XML11IDREFDatatypeValidator extends IDREFDatatypeValidator {
  46 
  47     // construct an IDREF datatype validator
  48     public XML11IDREFDatatypeValidator() {
  49         super();
  50     }
  51 
  52     /**
  53      * Checks that "content" string is valid IDREF value.
  54      * If invalid a Datatype validation exception is thrown.
  55      *
  56      * @param content       the string value that needs to be validated
  57      * @param context       the validation context
  58      * @throws InvalidDatatypeException if the content is
  59      *         invalid according to the rules for the validators
  60      * @see InvalidDatatypeValueException
  61      */
  62     public void validate(String content, ValidationContext context) throws InvalidDatatypeValueException {
  63 
  64         //Check if is valid key-[81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')*
  65         if(context.useNamespaces()) {
  66             if (!XML11Char.isXML11ValidNCName(content)) {
  67                 throw new InvalidDatatypeValueException("IDREFInvalidWithNamespaces", new Object[]{content});
  68             }
  69         }
  70         else {
  71             if (!XML11Char.isXML11ValidName(content)) {
  72                 throw new InvalidDatatypeValueException("IDREFInvalid", new Object[]{content});
  73             }
  74         }
  75 
  76         context.addIdRef(content);
  77 
  78     }
  79 
  80 }