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


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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8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
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12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Xerces" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
31  *
32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
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36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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47  * SUCH DAMAGE.
48  * ====================================================================
49  *
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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55  * <http://www.apache.org/>.
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
62 /**
63  * <P>ENTITYDatatypeValidator implements the
64  * DatattypeValidator interface.
65  * This validator embodies the ENTITY attribute type
66  * from XML1.0 recommendation.
67  * The Value space of ENTITY is the set of all strings
68  * that match the NCName production and have been
69  * declared as an unparsed entity in a document
70  * type definition.
71  * The Lexical space of Entity is the set of all
72  * strings that match the NCName production.
73  * The value space of ENTITY is scoped to a specific
74  * instance document.</P>
75  *
76  * @author Jeffrey Rodriguez, IBM
77  * @author Sandy Gao, IBM
78  *
79  * @version $Id: ENTITYDatatypeValidator.java,v 1.7 2002/07/18 20:48:43 sandygao Exp $
80  */

81 public class ENTITYDatatypeValidator implements DatatypeValidator {
82
83     // construct an ENTITY datatype validator
84
public ENTITYDatatypeValidator() {
85     }
86
87     /**
88      * Checks that "content" string is valid ID value.
89      * If invalid a Datatype validation exception is thrown.
90      *
91      * @param content the string value that needs to be validated
92      * @param context the validation context
93      * @throws InvalidDatatypeException if the content is
94      * invalid according to the rules for the validators
95      * @see InvalidDatatypeValueException
96      */

97     public void validate(String JavaDoc content, ValidationContext context) throws InvalidDatatypeValueException {
98
99         if (!context.isEntityUnparsed(content))
100             throw new InvalidDatatypeValueException("ENTITYNotUnparsed", new Object JavaDoc[]{content});
101             
102     }
103     
104 }
105
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