1 /* GYearType.java --
2    Copyright (C) 2006  Free Software Foundation, Inc.
3 
4 This file is part of GNU Classpath.
5 
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10 
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING.  If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA.
20 
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library.  Thus, the terms and
23 conditions of the GNU General Public License cover the whole
24 combination.
25 
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module.  An independent module is a module which is not derived from
33 or based on this library.  If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so.  If you do not wish to do so, delete this
36 exception statement from your version. */
37 
38 package gnu.xml.validation.datatype;
39 
40 import javax.xml.XMLConstants;
41 import javax.xml.namespace.QName;
42 import org.relaxng.datatype.DatatypeException;
43 import org.relaxng.datatype.ValidationContext;
44 
45 /**
46  * The XML Schema gYear type.
47  *
48  * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
49  */
50 final class GYearType
51   extends AtomicSimpleType
52 {
53 
54   static class GYear
55     implements Comparable
56   {
57 
58     int year;
59 
hashCode()60     public int hashCode()
61     {
62       return year;
63     }
64 
equals(Object other)65     public boolean equals(Object other)
66     {
67       if (other instanceof GYear)
68         return ((GYear) other).year == year;
69       return false;
70     }
71 
compareTo(Object other)72     public int compareTo(Object other)
73     {
74       if (other instanceof GYear)
75         {
76           GYear gy = (GYear) other;
77           if (gy.year == year)
78             return 0;
79           return (year < gy.year) ? -1 : 1;
80         }
81       return 0;
82     }
83 
84   }
85 
86   static final int[] CONSTRAINING_FACETS = {
87     Facet.PATTERN,
88     Facet.ENUMERATION,
89     Facet.WHITESPACE,
90     Facet.MAX_INCLUSIVE,
91     Facet.MAX_EXCLUSIVE,
92     Facet.MIN_INCLUSIVE,
93     Facet.MIN_EXCLUSIVE
94   };
95 
GYearType()96   GYearType()
97   {
98     super(new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "gYear"),
99           TypeLibrary.ANY_SIMPLE_TYPE);
100   }
101 
getConstrainingFacets()102   public int[] getConstrainingFacets()
103   {
104     return CONSTRAINING_FACETS;
105   }
106 
checkValid(String value, ValidationContext context)107   public void checkValid(String value, ValidationContext context)
108     throws DatatypeException
109   {
110     super.checkValid(value, context);
111     int len = value.length();
112     int state = 0;
113     int start = 0;
114     for (int i = 0; i < len; i++)
115       {
116         char c = value.charAt(i);
117         if (c == '-' && i == 0)
118           {
119             start++;
120             continue;
121           }
122         if (c >= 0x30 && c <= 0x39)
123           continue;
124         throw new DatatypeException(i, "invalid GYear value");
125       }
126     switch (state)
127       {
128       case 0: // year
129         String year = value.substring(start, len);
130         if (year.length() < 4 || Integer.parseInt(year) == 0)
131           throw new DatatypeException("invalid GYear value");
132         break;
133       default:
134         throw new DatatypeException("invalid GYear value");
135       }
136   }
137 
createValue(String literal, ValidationContext context)138   public Object createValue(String literal, ValidationContext context) {
139     try
140       {
141         GYear ret = new GYear();
142         ret.year = Integer.parseInt(literal);
143         return ret;
144       }
145     catch (Exception e)
146       {
147         return null;
148       }
149   }
150 
151 }
152