001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 1999, 2000 The Apache Software Foundation. All rights
006: * reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Apache Software Foundation (http://www.apache.org/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "Xerces" and "Apache Software Foundation" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation and was
052: * originally based on software copyright (c) 2001, International
053: * Business Machines, Inc., http://www.apache.org. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057:
058: package org.apache.xerces.validators.datatype;
059:
060: import java.util.Hashtable;
061:
062: /**
063: * Validator for <gDay> datatype (W3C Schema datatypes)
064: *
065: * @author Elena Litani
066: * @version $Id: DayDatatypeValidator.java,v 1.5 2001/06/21 20:56:05 elena Exp $
067: */
068:
069: public class DayDatatypeValidator extends DateTimeValidator {
070:
071: //size without time zone: ---09
072: private final static int DAY_SIZE = 5;
073:
074: public DayDatatypeValidator() throws InvalidDatatypeFacetException {
075: super ();
076: }
077:
078: public DayDatatypeValidator(DatatypeValidator base,
079: Hashtable facets, boolean derivedByList)
080: throws InvalidDatatypeFacetException {
081: super (base, facets, derivedByList);
082: }
083:
084: /**
085: * Parses, validates and computes normalized version of gDay object
086: *
087: * @param str The lexical representation of gDay object ---DD
088: * with possible time zone Z or (-),(+)hh:mm
089: * Pattern: ---(\\d\\d)(Z|(([-+])(\\d\\d)(:(\\d\\d))?
090: * @param date uninitialized date object
091: * @return normalized date representation
092: * @exception Exception Invalid lexical representation
093: */
094: protected int[] parse(String str, int[] date)
095: throws SchemaDateTimeException {
096:
097: resetBuffer(str);
098:
099: //create structure to hold an object
100: if (date == null) {
101: date = new int[TOTAL_SIZE];
102: }
103: resetDateObj(date);
104: if (fBuffer.charAt(0) != '-' || fBuffer.charAt(1) != '-'
105: || fBuffer.charAt(2) != '-') {
106: throw new SchemaDateTimeException("Error in day parsing");
107: }
108:
109: //initialize values
110: date[CY] = YEAR;
111: date[M] = MONTH;
112:
113: date[D] = parseInt(fStart + 3, fStart + 5);
114:
115: if (DAY_SIZE < fEnd) {
116: int sign = findUTCSign(DAY_SIZE, fEnd);
117: if (sign < 0) {
118: throw new SchemaDateTimeException(
119: "Error in day parsing");
120: } else {
121: getTimeZone(date, sign);
122: }
123: }
124: //validate and normalize
125:
126: //REVISIT: do we need SchemaDateTimeException?
127: validateDateTime(date);
128:
129: if (date[utc] != 0 && date[utc] != 'Z') {
130: normalize(date);
131: }
132: return date;
133: }
134:
135: /**
136: * Converts gDay object representation to String
137: *
138: * @param date gDay object
139: * @return lexical representation of gDay: ---DD with an optional time zone sign
140: */
141: protected String dateToString(int[] date) {
142: message.setLength(0);
143: message.append('-');
144: message.append('-');
145: message.append('-');
146: message.append(date[D]);
147: message.append((char) date[utc]);
148: return message.toString();
149: }
150:
151: }
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