| /* GYearMonthType.java -- |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.xml.validation.datatype; |
| |
| import javax.xml.XMLConstants; |
| import javax.xml.namespace.QName; |
| import org.relaxng.datatype.DatatypeException; |
| import org.relaxng.datatype.ValidationContext; |
| |
| /** |
| * The XML Schema gYearMonth type. |
| * |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| */ |
| final class GYearMonthType |
| extends AtomicSimpleType |
| { |
| |
| static class GYearMonth |
| implements Comparable |
| { |
| |
| int year; |
| int month; |
| |
| public int hashCode() |
| { |
| return year * 31 + month; |
| } |
| |
| public boolean equals(Object other) |
| { |
| if (other instanceof GYearMonth) |
| { |
| GYearMonth gmy = (GYearMonth) other; |
| return gmy.year == year && gmy.month == month; |
| } |
| return false; |
| } |
| |
| public int compareTo(Object other) |
| { |
| if (other instanceof GYearMonth) |
| { |
| GYearMonth gmy = (GYearMonth) other; |
| if (gmy.year == year) |
| { |
| if (gmy.month == month) |
| return 0; |
| return (month < gmy.month) ? -1 : 1; |
| } |
| return (year < gmy.year) ? -1 : 1; |
| } |
| return 0; |
| } |
| |
| } |
| |
| static final int[] CONSTRAINING_FACETS = { |
| Facet.PATTERN, |
| Facet.ENUMERATION, |
| Facet.WHITESPACE, |
| Facet.MAX_INCLUSIVE, |
| Facet.MAX_EXCLUSIVE, |
| Facet.MIN_INCLUSIVE, |
| Facet.MIN_EXCLUSIVE |
| }; |
| |
| GYearMonthType() |
| { |
| super(new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "gYearMonth"), |
| TypeLibrary.ANY_SIMPLE_TYPE); |
| } |
| |
| public int[] getConstrainingFacets() |
| { |
| return CONSTRAINING_FACETS; |
| } |
| |
| public void checkValid(String value, ValidationContext context) |
| throws DatatypeException |
| { |
| super.checkValid(value, context); |
| int len = value.length(); |
| int state = 0; |
| int start = 0; |
| for (int i = 0; i < len; i++) |
| { |
| char c = value.charAt(i); |
| if (c == '-' && i == 0) |
| { |
| start++; |
| continue; |
| } |
| if (c >= 0x30 && c <= 0x39) |
| continue; |
| switch (state) |
| { |
| case 0: // year |
| if (c == '-') |
| { |
| String year = value.substring(start, i); |
| if (year.length() < 4 || Integer.parseInt(year) == 0) |
| throw new DatatypeException(i, "illegal GYear value"); |
| state = 1; |
| start = i + 1; |
| continue; |
| } |
| break; |
| } |
| throw new DatatypeException(i, "illegal GYear value"); |
| } |
| switch (state) |
| { |
| case 1: // month |
| if (len - start != 2) |
| throw new DatatypeException("illegal GYear value"); |
| break; |
| default: |
| throw new DatatypeException("illegal GYear value"); |
| } |
| } |
| |
| public Object createValue(String literal, ValidationContext context) { |
| try |
| { |
| int offset = 5; |
| if (literal.charAt(0) == '-') |
| offset++; |
| GYearMonth ret = new GYearMonth(); |
| ret.year = Integer.parseInt(literal.substring(0, offset)); |
| ret.month = Integer.parseInt(literal.substring(offset + 1)); |
| return ret; |
| } |
| catch (Exception e) |
| { |
| return null; |
| } |
| } |
| |
| } |
| |