1 /*
2 * reserved comment block
3 * DO NOT REMOVE OR ALTER!
4 */
5 /*
6 * Licensed to the Apache Software Foundation (ASF) under one or more
7 * contributor license agreements. See the NOTICE file distributed with
8 * this work for additional information regarding copyright ownership.
9 * The ASF licenses this file to You under the Apache License, Version 2.0
10 * (the "License"); you may not use this file except in compliance with
11 * the License. You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 */
21
22 package com.sun.org.apache.xerces.internal.impl.dv.xs;
23
24 import javax.xml.datatype.DatatypeConstants;
25 import javax.xml.datatype.XMLGregorianCalendar;
26
27 import com.sun.org.apache.xerces.internal.impl.dv.InvalidDatatypeValueException;
28 import com.sun.org.apache.xerces.internal.impl.dv.ValidationContext;
29
30 /**
31 * Validator for <gMonth> datatype (W3C Schema Datatypes)
32 *
33 * @xerces.internal
34 *
35 * @author Elena Litani
36 * @author Gopal Sharma, SUN Microsystem Inc.
37 *
38 * @version $Id: MonthDV.java,v 1.8 2010-11-01 04:39:47 joehw Exp $
39 */
40
41 public class MonthDV extends AbstractDateTimeDV {
42
43 /**
44 * Convert a string to a compiled form
45 *
46 * @param content The lexical representation of gMonth
47 * @return a valid and normalized gMonth object
48 */
49 public Object getActualValue(String content, ValidationContext context) throws InvalidDatatypeValueException{
50 try{
51 return parse(content);
52 } catch(Exception ex){
53 throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object[]{content, "gMonth"});
54 }
55 }
56
57 /**
58 * Parses, validates and computes normalized version of gMonth object
59 *
60 * @param str The lexical representation of gMonth object --MM
61 * with possible time zone Z or (-),(+)hh:mm
62 * @return normalized date representation
63 * @exception SchemaDateTimeException Invalid lexical representation
64 */
65 protected DateTimeData parse(String str) throws SchemaDateTimeException{
66 DateTimeData date = new DateTimeData(str, this);
67 int len = str.length();
68
69 //set constants
70 date.year=YEAR;
71 date.day=DAY;
72 if (str.charAt(0)!='-' || str.charAt(1)!='-') {
73 throw new SchemaDateTimeException("Invalid format for gMonth: "+str);
74 }
75 int stop = 4;
76 date.month=parseInt(str,2,stop);
77
78 // REVISIT: allow both --MM and --MM-- now.
79 // need to remove the following 4 lines to disallow --MM--
80 // when the errata is offically in the rec.
81 if (str.length() >= stop+2 &&
82 str.charAt(stop) == '-' && str.charAt(stop+1) == '-') {
83 stop += 2;
84 }
85 if (stop < len) {
86 if (!isNextCharUTCSign(str, stop, len)) {
87 throw new SchemaDateTimeException ("Error in month parsing: "+str);
88 }
89 else {
90 getTimeZone(str, date, stop, len);
91 }
92 }
93 //validate and normalize
94 validateDateTime(date);
95
96 //save unnormalized values
97 saveUnnormalized(date);
98
99 if ( date.utc!=0 && date.utc!='Z' ) {
100 normalize(date);
101 }
102 date.position = 1;
103 return date;
104 }
105
106 /**
107 * Overwrite compare algorithm to optimize month comparison
108 *
109 * REVISIT: this one is lack of the third parameter: boolean strict, so it
110 * doesn't override the method in the base. But maybe this method
111 * is not correctly implemented, and I did encounter errors when
112 * trying to add the extra parameter. I'm leaving it as is. -SG
113 *
114 * @param date1
115 * @param date2
116 * @return less, greater, equal, indeterminate
117 */
118 /*protected short compareDates(DateTimeData date1, DateTimeData date2) {
119
120 if ( date1.utc==date2.utc ) {
121 return (short)((date1.month>=date2.month)?(date1.month>date2.month)?1:0:-1);
122 }
123
124 if ( date1.utc=='Z' || date2.utc=='Z' ) {
125
126 if ( date1.month==date2.month ) {
127 //--05--Z and --05--
128 return INDETERMINATE;
129 }
130 if ( (date1.month+1 == date2.month || date1.month-1 == date2.month) ) {
131 //--05--Z and (--04-- or --05--)
132 //REVISIT: should this case be less than or equal?
133 // maxExclusive should fail but what about maxInclusive
134 //
135 return INDETERMINATE;
136 }
137 }
138
139 if ( date1.month<date2.month ) {
140 return -1;
141 }
142 else {
143 return 1;
144 }
145
146 }*/
147
148 /**
149 * Converts month object representation to String
150 *
151 * @param date month object
152 * @return lexical representation of month: --MM with an optional time zone sign
153 */
154 protected String dateToString(DateTimeData date) {
155 StringBuffer message = new StringBuffer(5);
156 message.append('-');
157 message.append('-');
158 append(message, date.month, 2);
159 append(message, (char)date.utc, 0);
160 return message.toString();
161 }
162
163 protected XMLGregorianCalendar getXMLGregorianCalendar(DateTimeData date) {
164 return datatypeFactory.newXMLGregorianCalendar(DatatypeConstants.FIELD_UNDEFINED, date.unNormMonth,
165 DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED,
166 DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED,
167 date.hasTimeZone() ? date.timezoneHr * 60 + date.timezoneMin : DatatypeConstants.FIELD_UNDEFINED);
168 }
169 }