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