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