1/********************************************************************
2 *   Copyright (C) 2016 and later: Unicode, Inc. and others.
3 *   License & terms of use: http://www.unicode.org/copyright.html#License
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 */
24TimeZone* 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
39int 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
77        fmt = DateFormat::createDateInstance(DateFormat::kFull, loc);
78
79        // Format the date
80        str.remove();
81        fmt->format(date, str, status);
82
83        // Display the formatted date string
84        printf("Date (%s): ", LANGUAGE[i]);
85        uprintf(escape(str));
86        printf("\n\n");
87    }
88
89    printf("Exiting successfully\n");
90    return 0;
91}
92