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Java > Open Source Codes > com > sun > org > apache > xerces > internal > impl > dv > dtd > XML11IDREFDatatypeValidator


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
6  * reserved.
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10  * are met:
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13  * notice, this list of conditions and the following disclaimer.
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24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
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27  * 4. The names "Xerces" and "Apache Software Foundation" must
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50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 1999, International
53  * Business Machines, Inc., http://www.apache.org. For more
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56  */
57
58 package com.sun.org.apache.xerces.internal.impl.dv.dtd;
59
60 import com.sun.org.apache.xerces.internal.impl.dv.*;
61 import com.sun.org.apache.xerces.internal.util.XML11Char;
62
63 /**
64  * <P>IDREFDatatypeValidator - represents the IDREFS
65  * attribute type from XML 1.1 recommendation. The
66  * Value Space of IDREF is the set of all strings
67  * that match the NCName production and have been
68  * used in an XML Document as the value of an element
69  * or attribute of Type ID. The Lexical space of
70  * IDREF is the set of strings that match the NCName
71  * production.</P>
72  * <P>The Value space of IDREF is scoped to a specific
73  * instance document</P>
74  *
75  * @author Jeffrey Rodriguez, IBM
76  * @author Sandy Gao, IBM
77  * @author Neil Graham, IBM
78  *
79  * @version $Id: XML11IDREFDatatypeValidator.java,v 1.2 2003/06/05 21:51:32 neilg Exp $
80  */
81 public class XML11IDREFDatatypeValidator extends IDREFDatatypeValidator {
82
83     // construct an IDREF datatype validator
84 public XML11IDREFDatatypeValidator() {
85         super();
86     }
87
88     /**
89      * Checks that "content" string is valid IDREF value.
90      * If invalid a Datatype validation exception is thrown.
91      *
92      * @param content the string value that needs to be validated
93      * @param context the validation context
94      * @throws InvalidDatatypeException if the content is
95      * invalid according to the rules for the validators
96      * @see InvalidDatatypeValueException
97      */
98     public void validate(String JavaDoc content, ValidationContext context) throws InvalidDatatypeValueException {
99
100         //Check if is valid key-[81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')*
101 if(context.useNamespaces()) {
102             if (!XML11Char.isXML11ValidNCName(content)) {
103                 throw new InvalidDatatypeValueException("IDREFInvalidWithNamespaces", new Object JavaDoc[]{content});
104             }
105         }
106         else {
107             if (!XML11Char.isXML11ValidName(content)) {
108                 throw new InvalidDatatypeValueException("IDREFInvalid", new Object JavaDoc[]{content});
109             }
110         }
111
112         context.addIdRef(content);
113         
114     }
115
116 }
117
118
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