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 using namespace icu;
19
20 /**
21 * If the ID supplied to TimeZone is not a valid system ID,
22 * TimeZone::createTimeZone() will return a GMT zone object. In order
23 * to detect this error, we check the ID of the returned zone against
24 * the ID we requested. If they don't match, we fail with an error.
25 */
createZone(const UnicodeString & id)26 TimeZone* createZone(const UnicodeString& id) {
27 UnicodeString str;
28 TimeZone* zone = TimeZone::createTimeZone(id);
29 if (zone->getID(str) != id) {
30 delete zone;
31 printf("Error: TimeZone::createTimeZone(");
32 uprintf(id);
33 printf(") returned zone with ID ");
34 uprintf(str);
35 printf("\n");
36 exit(1);
37 }
38 return zone;
39 }
40
main(int argc,char ** argv)41 int main(int argc, char **argv) {
42
43 Calendar *cal;
44 TimeZone *zone;
45 DateFormat *fmt;
46 UErrorCode status = U_ZERO_ERROR;
47 UnicodeString str;
48 UDate date;
49
50 // The languages in which we will display the date
51 static const char* LANGUAGE[] = {
52 "en", "de", "fr"
53 };
54 static const int32_t N_LANGUAGE = sizeof(LANGUAGE)/sizeof(LANGUAGE[0]);
55
56 // The time zones in which we will display the time
57 static const char* TIMEZONE[] = {
58 "America/Los_Angeles",
59 "America/New_York",
60 "Europe/Paris",
61 "Europe/Berlin"
62 };
63 static const int32_t N_TIMEZONE = sizeof(TIMEZONE)/sizeof(TIMEZONE[0]);
64
65 // Create a calendar
66 cal = Calendar::createInstance(status);
67 check(status, "Calendar::createInstance");
68 zone = createZone("GMT"); // Create a GMT zone
69 cal->adoptTimeZone(zone);
70 cal->clear();
71 cal->set(1999, Calendar::JUNE, 4);
72 date = cal->getTime(status);
73 check(status, "Calendar::getTime");
74
75 for (int32_t i=0; i<N_LANGUAGE; ++i) {
76 Locale loc(LANGUAGE[i]);
77
78 // Create a formatter for DATE and TIME
79 fmt = DateFormat::createDateTimeInstance(
80 DateFormat::kFull, DateFormat::kFull, loc);
81
82 for (int32_t j=0; j<N_TIMEZONE; ++j) {
83
84 cal->adoptTimeZone(createZone(TIMEZONE[j]));
85 fmt->setCalendar(*cal);
86
87 // Format the date
88 str.remove();
89 fmt->format(date, str, status);
90
91 // Display the formatted date string
92 printf("Date (%s, %s): ", LANGUAGE[i], TIMEZONE[j]);
93 uprintf(escape(str));
94 printf("\n\n");
95 }
96
97 delete fmt;
98 }
99
100 printf("Exiting successfully\n");
101 return 0;
102 }
103