1 /********************************************************************
2 * © 2016 and later: Unicode, Inc. and others.
3 * License & terms of use: http://www.unicode.org/copyright.html
4 *************************************************************************
5 *************************************************************************
6 * COPYRIGHT:
7 * Copyright (c) 1999-2003, International Business Machines Corporation and
8 * others. All Rights Reserved.
9 *************************************************************************/
10
11 #include "unicode/unistr.h"
12 #include "unicode/calendar.h"
13 #include "unicode/datefmt.h"
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include "util.h"
17
18 /**
19 * If the ID supplied to TimeZone is not a valid system ID,
20 * TimeZone::createTimeZone() will return a GMT zone object. In order
21 * to detect this error, we check the ID of the returned zone against
22 * the ID we requested. If they don't match, we fail with an error.
23 */
createZone(const UnicodeString & id)24 TimeZone* createZone(const UnicodeString& id) {
25 UnicodeString str;
26 TimeZone* zone = TimeZone::createTimeZone(id);
27 if (zone->getID(str) != id) {
28 delete zone;
29 printf("Error: TimeZone::createTimeZone(");
30 uprintf(id);
31 printf(") returned zone with ID ");
32 uprintf(str);
33 printf("\n");
34 exit(1);
35 }
36 return zone;
37 }
38
main(int argc,char ** argv)39 int main(int argc, char **argv) {
40
41 Calendar *cal;
42 TimeZone *zone;
43 DateFormat *fmt;
44 UErrorCode status = U_ZERO_ERROR;
45 UnicodeString str;
46 UDate date;
47
48 // The languages in which we will display the date
49 static char* LANGUAGE[] = {
50 "en", "de", "fr"
51 };
52 static const int32_t N_LANGUAGE = sizeof(LANGUAGE)/sizeof(LANGUAGE[0]);
53
54 // The time zones in which we will display the time
55 static char* TIMEZONE[] = {
56 "America/Los_Angeles",
57 "America/New_York",
58 "Europe/Paris",
59 "Europe/Berlin"
60 };
61 static const int32_t N_TIMEZONE = sizeof(TIMEZONE)/sizeof(TIMEZONE[0]);
62
63 // Create a calendar
64 cal = Calendar::createInstance(status);
65 check(status, "Calendar::createInstance");
66 zone = createZone("GMT"); // Create a GMT zone
67 cal->adoptTimeZone(zone);
68 cal->clear();
69 cal->set(1999, Calendar::JUNE, 4);
70 date = cal->getTime(status);
71 check(status, "Calendar::getTime");
72
73 for (int32_t i=0; i<N_LANGUAGE; ++i) {
74 Locale loc(LANGUAGE[i]);
75
76 // Create a formatter for DATE and TIME
77 fmt = DateFormat::createDateTimeInstance(
78 DateFormat::kFull, DateFormat::kFull, loc);
79
80 for (int32_t j=0; j<N_TIMEZONE; ++j) {
81
82 cal->adoptTimeZone(createZone(TIMEZONE[j]));
83 fmt->setCalendar(*cal);
84
85 // Format the date
86 str.remove();
87 fmt->format(date, str, status);
88
89 // Display the formatted date string
90 printf("Date (%s, %s): ", LANGUAGE[i], TIMEZONE[j]);
91 uprintf(escape(str));
92 printf("\n\n");
93 }
94
95 delete fmt;
96 }
97
98 printf("Exiting successfully\n");
99 return 0;
100 }
101