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Java > Open Source Codes > org > enhydra > apache > xerces > validators > datatype > AbstractDatatypeValidator


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2000 The Apache Software Foundation. All rights
6  * reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
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.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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
54  * information on the Apache Software Foundation, please see
55  * <http://www.apache.org/>.
56  */

57
58
59 /**
60  * @version $Id: AbstractDatatypeValidator.java,v 1.2 2005/01/26 08:28:44 jkjome Exp $
61  * @author Elena Litani
62  * @author Jeffrey Rodriguez
63 */

64
65
66
67 package org.enhydra.apache.xerces.validators.datatype;
68
69 import java.util.Locale JavaDoc;
70
71 import org.enhydra.apache.xerces.utils.regex.RegularExpression;
72
73 public abstract class AbstractDatatypeValidator implements DatatypeValidator, Cloneable JavaDoc {
74
75     protected DatatypeValidator fBaseValidator = null;
76     protected String JavaDoc fPattern = null;
77     protected RegularExpression fRegex = null;
78     protected short fFacetsDefined = 0;
79     protected DatatypeMessageProvider fMessageProvider = new DatatypeMessageProvider();
80     protected Locale JavaDoc fLocale = null;
81     protected short fFlags = 0; //flags fixed facets
82

83      /**
84      * Checks that "content" string is valid
85      * datatype.
86      * If invalid a Datatype validation exception is thrown.
87      *
88      * @param content A string containing the content to be validated
89      * @param derivedBylist
90      * Flag which is true when type
91      * is derived by list otherwise it
92      * it is derived by extension.
93      *
94      * @exception throws InvalidDatatypeException if the content is
95      * invalid according to the rules for the validators
96      * @exception InvalidDatatypeValueException
97      * @see org.enhydra.apache.xerces.validators.datatype.InvalidDatatypeValueException
98      */

99     abstract public Object JavaDoc validate(String JavaDoc content, Object JavaDoc state) throws InvalidDatatypeValueException;
100     
101     abstract public Object JavaDoc clone() throws CloneNotSupportedException JavaDoc ;
102     
103     /**
104      * default value for whiteSpace facet is collapse
105      * this function is overwritten in StringDatatypeValidator
106      */

107     public short getWSFacet (){
108         return DatatypeValidator.COLLAPSE;
109     }
110
111     // returns the base datatypeValidator of the current validator.
112
public DatatypeValidator getBaseValidator() {
113         return fBaseValidator;
114     }
115
116     protected String JavaDoc getErrorString(int major, int minor, Object JavaDoc args[]) {
117         try {
118             return fMessageProvider.createMessage(fLocale, major, minor, args);
119         }
120         catch ( Exception JavaDoc e ) {
121             return "Illegal Errorcode "+minor;
122         }
123     }
124
125
126     /**
127      * set the locate to be used for error messages
128      */

129     public void setLocale(Locale JavaDoc locale) {
130         fLocale = locale;
131     }
132
133
134 }
135
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