libjava/classpath/gnu/xml/validation/datatype/GMonthDayType.java

   1 /* GMonthDayType.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 gMonthDay type.
  47  *
  48  * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
  49  */
  50 final class GMonthDayType
  51   extends AtomicSimpleType
  52 {
  53
  54   static class GMonthDay
  55     implements Comparable
  56   {
  57
  58     int month;
  59     int day;
  60
  61     public int hashCode()
  62     {
  63       return month * 31 + day;
  64     }
  65
  66     public boolean equals(Object other)
  67     {
  68       if (other instanceof GMonthDay)
  69         {
  70           GMonthDay gmd = (GMonthDay) other;
  71           return gmd.month == month && gmd.day == day;
  72         }
  73       return false;
  74     }
  75
  76     public int compareTo(Object other)
  77     {
  78       if (other instanceof GMonthDay)
  79         {
  80           GMonthDay gmd = (GMonthDay) other;
  81           if (gmd.month == month)
  82             {
  83               if (gmd.day == day)
  84                 return 0;
  85               return (day < gmd.day) ? -1 : 1;
  86             }
  87           return (month < gmd.month) ? -1 : 1;
  88         }
  89       return 0;
  90     }
  91
  92   }
  93
  94   static final int[] CONSTRAINING_FACETS = {
  95     Facet.PATTERN,
  96     Facet.ENUMERATION,
  97     Facet.WHITESPACE,
  98     Facet.MAX_INCLUSIVE,
  99     Facet.MAX_EXCLUSIVE,
 100     Facet.MIN_INCLUSIVE,
 101     Facet.MIN_EXCLUSIVE
 102   };
 103
 104   GMonthDayType()
 105   {
 106     super(new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "gMonthDay"),
 107           TypeLibrary.ANY_SIMPLE_TYPE);
 108   }
 109
 110   public int[] getConstrainingFacets()
 111   {
 112     return CONSTRAINING_FACETS;
 113   }
 114
 115   public void checkValid(String value, ValidationContext context)
 116     throws DatatypeException
 117   {
 118     super.checkValid(value, context);
 119     int len = value.length();
 120     int state = 0;
 121     int start = 0;
 122     for (int i = 0; i < len; i++)
 123       {
 124         char c = value.charAt(i);
 125         if (c >= 0x30 && c <= 0x39)
 126           continue;
 127         switch (state)
 128           {
 129           case 0: // year
 130             if (c == '-')
 131               {
 132                 switch (i)
 133                   {
 134                   case 0:
 135                     continue;
 136                   case 1:
 137                     state = 1;
 138                     start = i + 1;
 139                     continue;
 140                   default:
 141                     throw new DatatypeException(i, "illegal GMonthDay type");
 142                   }
 143               }
 144             break;
 145           case 1: // month
 146             if (c == '-')
 147               {
 148                 if (i - start != 2)
 149                   throw new DatatypeException(i, "illegal GMonthDay type");
 150                 state = 2;
 151                 start = i + 1;
 152                 continue;
 153               }
 154             break;
 155           }
 156         throw new DatatypeException(i, "illegal GMonthDay type");
 157       }
 158     switch (state)
 159       {
 160       case 2: // day
 161         if (len - start != 2)
 162           throw new DatatypeException("illegal GMonthDay type");
 163         break;
 164       default:
 165         throw new DatatypeException("illegal GMonthDay type");
 166       }
 167   }
 168
 169   public Object createValue(String literal, ValidationContext context) {
 170     try
 171       {
 172         GMonthDay ret = new GMonthDay();
 173         ret.month = Integer.parseInt(literal.substring(2, 5));
 174         ret.day = Integer.parseInt(literal.substring(6));
 175         return ret;
 176       }
 177     catch (Exception e)
 178       {
 179         return null;
 180       }
 181   }
 182
 183 }
 184