001:
002: /*
003: * The Apache Software License, Version 1.1
004: *
005: *
006: * Copyright (c) 1999, 2000 The Apache Software Foundation. All rights
007: * reserved.
008: *
009: * Redistribution and use in source and binary forms, with or without
010: * modification, are permitted provided that the following conditions
011: * are met:
012: *
013: * 1. Redistributions of source code must retain the above copyright
014: * notice, this list of conditions and the following disclaimer.
015: *
016: * 2. Redistributions in binary form must reproduce the above copyright
017: * notice, this list of conditions and the following disclaimer in
018: * the documentation and/or other materials provided with the
019: * distribution.
020: *
021: * 3. The end-user documentation included with the redistribution,
022: * if any, must include the following acknowledgment:
023: * "This product includes software developed by the
024: * Apache Software Foundation (http://www.apache.org/)."
025: * Alternately, this acknowledgment may appear in the software itself,
026: * if and wherever such third-party acknowledgments normally appear.
027: *
028: * 4. The names "Xerces" and "Apache Software Foundation" must
029: * not be used to endorse or promote products derived from this
030: * software without prior written permission. For written
031: * permission, please contact apache@apache.org.
032: *
033: * 5. Products derived from this software may not be called "Apache",
034: * nor may "Apache" appear in their name, without prior written
035: * permission of the Apache Software Foundation.
036: *
037: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
038: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
039: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
040: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
041: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
042: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
043: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
044: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
045: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
046: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
047: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
048: * SUCH DAMAGE.
049: * ====================================================================
050: *
051: * This software consists of voluntary contributions made by many
052: * individuals on behalf of the Apache Software Foundation and was
053: * originally based on software copyright (c) 2001, International
054: * Business Machines, Inc., http://www.apache.org. For more
055: * information on the Apache Software Foundation, please see
056: * <http://www.apache.org/>.
057: */
058:
059: package org.apache.xerces.validators.datatype;
060:
061: import java.util.Hashtable;
062:
063: /**
064: * Validator for <gYear> datatype (W3C Schema Datatypes)
065: *
066: * @author Elena Litani
067: * @version $Id: YearDatatypeValidator.java,v 1.5 2001/06/21 20:56:11 elena Exp $
068: */
069:
070: public class YearDatatypeValidator extends DateTimeValidator {
071:
072: public YearDatatypeValidator() throws InvalidDatatypeFacetException {
073: super ();
074: }
075:
076: public YearDatatypeValidator(DatatypeValidator base,
077: Hashtable facets, boolean derivedByList)
078: throws InvalidDatatypeFacetException {
079: super (base, facets, derivedByList);
080: }
081:
082: /**
083: * Parses, validates and computes normalized version of gYear object
084: *
085: * @param str The lexical representation of year object CCYY
086: * with possible time zone Z or (-),(+)hh:mm
087: * @param date uninitialized date object
088: * @return normalized date representation
089: * @exception Exception Invalid lexical representation
090: */
091: protected int[] parse(String str, int[] date)
092: throws SchemaDateTimeException {
093: resetBuffer(str);
094:
095: //create structure to hold an object
096: if (date == null) {
097: date = new int[TOTAL_SIZE];
098: }
099: resetDateObj(date);
100:
101: // check for preceding '-' sign
102: int start = 0;
103: if (fBuffer.charAt(0) == '-') {
104: start = 1;
105: }
106: int sign = findUTCSign(start, fEnd);
107: if (sign == -1) {
108: date[CY] = parseIntYear(fEnd);
109: } else {
110: date[CY] = parseIntYear(sign);
111: getTimeZone(date, sign);
112: }
113:
114: //initialize values
115: date[M] = MONTH;
116: date[D] = 1;
117:
118: //validate and normalize
119:
120: //REVISIT: do we need SchemaDateTimeException?
121: validateDateTime(date);
122:
123: if (date[utc] != 0 && date[utc] != 'Z') {
124: normalize(date);
125: }
126: return date;
127: }
128:
129: /**
130: * Converts year object representation to String
131: *
132: * @param date year object
133: * @return lexical representation of month: CCYY with optional time zone sign
134: */
135: protected String dateToString(int[] date) {
136:
137: message.setLength(0);
138: message.append(date[CY]);
139: message.append((char) date[utc]);
140: return message.toString();
141: }
142:
143: }
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