1 /* GMonthType.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 gMonth type.
47  *
48  * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
49  */
50 final class GMonthType
51   extends AtomicSimpleType
52 {
53 
54   static class GMonth
55     implements Comparable
56   {
57 
58     int month;
59 
hashCode()60     public int hashCode()
61     {
62       return month;
63     }
64 
equals(Object other)65     public boolean equals(Object other)
66     {
67       if (other instanceof GMonth)
68         return ((GMonth) other).month == month;
69       return false;
70     }
71 
compareTo(Object other)72     public int compareTo(Object other)
73     {
74       if (other instanceof GMonth)
75         {
76           GMonth gm = (GMonth) other;
77           if (gm.month == month)
78             return 0;
79           return (month < gm.month) ? -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 
GMonthType()96   GMonthType()
97   {
98     super(new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "gMonth"),
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     int len = value.length();
111     int state = 0;
112     int start = 0;
113     for (int i = 0; i < len; i++)
114       {
115         char c = value.charAt(i);
116         if (c >= 0x30 && c <= 0x39)
117           continue;
118         switch (state)
119           {
120           case 0: // year
121             if (c == '-')
122               {
123                 switch (i)
124                   {
125                   case 0:
126                     continue;
127                   case 1:
128                     state = 1;
129                     start = i + 1;
130                     continue;
131                   default:
132                     throw new DatatypeException(i, "illegal GMonth value");
133                   }
134               }
135             break;
136           }
137         throw new DatatypeException(i, "illegal GMonth value");
138       }
139     switch (state)
140       {
141       case 1: // month
142         if (len - start != 2)
143           throw new DatatypeException("illegal GMonth value");
144         break;
145       default:
146         throw new DatatypeException("illegal GMonth value");
147       }
148   }
149 
createValue(String literal, ValidationContext context)150   public Object createValue(String literal, ValidationContext context) {
151     try
152       {
153         GMonth ret = new GMonth();
154         ret.month = Integer.parseInt(literal.substring(2));
155         return ret;
156       }
157     catch (Exception e)
158       {
159         return null;
160       }
161   }
162 
163 }
164