1 /* GYearMonthType.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 gYearMonth type. 47 * 48 * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> 49 */ 50 final class GYearMonthType 51 extends AtomicSimpleType 52 { 53 54 static class GYearMonth 55 implements Comparable 56 { 57 58 int year; 59 int month; 60 hashCode()61 public int hashCode() 62 { 63 return year * 31 + month; 64 } 65 equals(Object other)66 public boolean equals(Object other) 67 { 68 if (other instanceof GYearMonth) 69 { 70 GYearMonth gmy = (GYearMonth) other; 71 return gmy.year == year && gmy.month == month; 72 } 73 return false; 74 } 75 compareTo(Object other)76 public int compareTo(Object other) 77 { 78 if (other instanceof GYearMonth) 79 { 80 GYearMonth gmy = (GYearMonth) other; 81 if (gmy.year == year) 82 { 83 if (gmy.month == month) 84 return 0; 85 return (month < gmy.month) ? -1 : 1; 86 } 87 return (year < gmy.year) ? -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 GYearMonthType()104 GYearMonthType() 105 { 106 super(new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "gYearMonth"), 107 TypeLibrary.ANY_SIMPLE_TYPE); 108 } 109 getConstrainingFacets()110 public int[] getConstrainingFacets() 111 { 112 return CONSTRAINING_FACETS; 113 } 114 checkValid(String value, ValidationContext context)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 == '-' && i == 0) 126 { 127 start++; 128 continue; 129 } 130 if (c >= 0x30 && c <= 0x39) 131 continue; 132 switch (state) 133 { 134 case 0: // year 135 if (c == '-') 136 { 137 String year = value.substring(start, i); 138 if (year.length() < 4 || Integer.parseInt(year) == 0) 139 throw new DatatypeException(i, "illegal GYear value"); 140 state = 1; 141 start = i + 1; 142 continue; 143 } 144 break; 145 } 146 throw new DatatypeException(i, "illegal GYear value"); 147 } 148 switch (state) 149 { 150 case 1: // month 151 if (len - start != 2) 152 throw new DatatypeException("illegal GYear value"); 153 break; 154 default: 155 throw new DatatypeException("illegal GYear value"); 156 } 157 } 158 createValue(String literal, ValidationContext context)159 public Object createValue(String literal, ValidationContext context) { 160 try 161 { 162 int offset = 5; 163 if (literal.charAt(0) == '-') 164 offset++; 165 GYearMonth ret = new GYearMonth(); 166 ret.year = Integer.parseInt(literal.substring(0, offset)); 167 ret.month = Integer.parseInt(literal.substring(offset + 1)); 168 return ret; 169 } 170 catch (Exception e) 171 { 172 return null; 173 } 174 } 175 176 } 177