1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
package org.uic.ticket.api.asn.omv1;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import java.util.concurrent.TimeUnit;
public class DateTimeUtils {
public static Long getDateDifference(Date issuingDate, Date localDate) {
if (issuingDate == null || localDate == null) return null;
Calendar issuingCal = Calendar.getInstance();
issuingCal.clear();
issuingCal.setTime(issuingDate);
issuingCal.setTimeZone(TimeZone.getTimeZone("UTC"));
issuingCal.set(Calendar.HOUR_OF_DAY, 0);
issuingCal.set(Calendar.MINUTE, 0);
issuingCal.set(Calendar.SECOND, 0);
issuingCal.set(Calendar.MILLISECOND, 0);
Calendar fromCal = Calendar.getInstance();
fromCal.clear();
fromCal.setTime(localDate);
fromCal.setTimeZone(TimeZone.getTimeZone("UTC"));
fromCal.set(Calendar.HOUR_OF_DAY, 0);
fromCal.set(Calendar.MINUTE, 0);
fromCal.set(Calendar.SECOND, 0);
fromCal.set(Calendar.MILLISECOND, 0);
long diff = localDate.getTime() - issuingDate.getTime();
long dayDiff = TimeUnit.DAYS.convert(diff, TimeUnit.MILLISECONDS);
return new Long(dayDiff);
}
public static Date getLocalDateFromDifference(Date issuingDate, int diff , Long time ) {
if (issuingDate == null) return null;
Calendar cal = Calendar.getInstance();
cal.clear();
cal.setTime(issuingDate);
cal.add(Calendar.DAY_OF_YEAR, diff);
if (time != null) {
int hours = time.intValue() / 60;
int minutes = time.intValue() - hours * 60;
cal.set(Calendar.HOUR_OF_DAY, hours);
cal.set(Calendar.MINUTE,minutes);
}
return cal.getTime();
}
public static void setTime(Calendar cal, Long time){
if (time != null) {
int hours = time.intValue() / 60;
int minutes = time.intValue() - hours * 60;
cal.set(Calendar.HOUR_OF_DAY, hours);
cal.set(Calendar.MINUTE,minutes);
}
}
public static Long getTime (Calendar cal) {
if (cal == null ||
!cal.isSet(Calendar.HOUR_OF_DAY) ||
!cal.isSet(Calendar.MINUTE) ) {
return null;
}
int time = cal.get(Calendar.HOUR_OF_DAY) * 60 + cal.get(Calendar.MINUTE);
if (time > 0) {
return new Long (time );
}
return null;
}
public static Long getTime (Date date) {
Calendar cal = Calendar.getInstance();
cal.clear();
cal.setTime(date);
if (cal == null ||
!cal.isSet(Calendar.HOUR_OF_DAY) ||
!cal.isSet(Calendar.MINUTE) ) {
return null;
}
int time = cal.get(Calendar.HOUR_OF_DAY) * 60 + cal.get(Calendar.MINUTE);
if (time > 0) {
return new Long (time );
}
return null;
}
public static Date getDate(Date issuingDate, Long date, Long time){
if (issuingDate == null) return null;
if (date == null) {
date = 0L;
}
Calendar issuingCal = Calendar.getInstance();
issuingCal.clear();
issuingCal.setTime(issuingDate);
Calendar cal = Calendar.getInstance();
cal.clear();
cal.set(Calendar.YEAR,issuingCal.get(Calendar.YEAR) );
cal.set(Calendar.DAY_OF_YEAR,issuingCal.get(Calendar.DAY_OF_YEAR) );
cal.add(Calendar.DAY_OF_YEAR, date.intValue());
DateTimeUtils.setTime(cal,time);
return cal.getTime();
}
/**
* Gets the UTC offset.
*
* @param date and time of the issuing date
* @param date and time of the departure
* @return the UTC offset in multiples of 15 minutes
* the offset needs to be added to local time to get the UTC time (UTC = local + offset)
*/
public static Long getUTCoffset(Date local) {
Calendar cal = Calendar.getInstance();
cal.clear();
cal.setTime(local);
/*
* Returns the amount of time in milliseconds to add to UTC to get standard time in this
* time zone. Because this value is not affected by daylight saving time, it is called raw offset.
* If an underlying TimeZone implementation subclass supports historical GMT offset changes, the method
* returns the raw offset value of the current date. In Honolulu, for example, its raw offset
* changed from GMT-10:30 to GMT-10:00 in 1947, and this method
* always returns -36000000 milliseconds (i.e., -10 hours).
*/
int minuteOffset = - cal.getTimeZone().getRawOffset()/ ( 1000 * 60 * 15 );
return new Long (minuteOffset);
}
public static Date getUTCDate(Date issuingDate, Long date, Long time, Long UTCOffset) {
if (issuingDate == null) return null;
if (UTCOffset == null) return null;
if (time == null) return null;
if (date == null) {
date = 0L;
}
Calendar issuingCal = Calendar.getInstance();
issuingCal.clear();
issuingCal.setTime(issuingDate);
Calendar cal = Calendar.getInstance();
cal.clear();
cal.set(Calendar.YEAR,issuingCal.get(Calendar.YEAR) );
cal.set(Calendar.DAY_OF_YEAR,issuingCal.get(Calendar.DAY_OF_YEAR) );
cal.add(Calendar.DAY_OF_YEAR, date.intValue());
int hours = time.intValue() / 60;
int minutes = time.intValue() - hours * 60;
cal.set(Calendar.HOUR_OF_DAY, hours);
cal.set(Calendar.MINUTE,minutes);
cal.add(Calendar.MINUTE, (int) (UTCOffset * 15) );
cal.setTimeZone(TimeZone.getTimeZone("UTC"));
return cal.getTime();
}
}
|
