C++ DateFormat::getDynamicClassID方法代码示例

/**
 * Test that the equals method works correctly.
 */
void IntlTestDateFormatAPI::TestEquals(void)
{
    UErrorCode status = U_ZERO_ERROR;
    // Create two objects at different system times
    DateFormat *a = DateFormat::createInstance();
    UDate start = Calendar::getNow();
    while (Calendar::getNow() == start) ; // Wait for time to change
    DateFormat *b = DateFormat::createInstance();

    if (a == NULL || b == NULL){
        dataerrln("Error calling DateFormat::createInstance()");
        delete a;
        delete b;
        return;
    }

    if (!(*a == *b))
        errln("FAIL: DateFormat objects created at different times are unequal.");

    if (b->getDynamicClassID() == SimpleDateFormat::getStaticClassID())
    {
        double ONE_YEAR = 365*24*60*60*1000.0;
        ((SimpleDateFormat*)b)->set2DigitYearStart(start + 50*ONE_YEAR, status);
        if (U_FAILURE(status))
            errln("FAIL: setTwoDigitStartDate failed.");
        else if (*a == *b)
            errln("FAIL: DateFormat objects with different two digit start dates are equal.");
    }
    delete a;
    delete b;
}

std::string GlobalizationNDK::getDatePattern(const std::string& args)
{
    DateFormat::EStyle dstyle = DateFormat::kShort, tstyle = DateFormat::kShort;

    if (!args.empty()) {
        Json::Reader reader;
        Json::Value root;
        bool parse = reader.parse(args, root);

        if (!parse) {
            slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getDatePattern: invalid json data: %s",
                    args.c_str());
            return errorInJson(PARSING_ERROR, "Parameters not valid json format!");
        }

        Json::Value options = root["options"];

        std::string error;
        if (!handleDateOptions(options, dstyle, tstyle, error))
            return errorInJson(PARSING_ERROR, error);
    }

    UErrorCode status = U_ZERO_ERROR;
    const Locale& loc = Locale::getDefault();
    DateFormat* df = DateFormat::createDateTimeInstance(dstyle, tstyle, loc);

    if (!df) {
        slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getDatePattern: unable to create DateFormat instance!");
        return errorInJson(UNKNOWN_ERROR, "Unable to create DateFormat instance!");
    }
    std::auto_ptr<DateFormat> deleter(df);

    if (df->getDynamicClassID() != SimpleDateFormat::getStaticClassID()) {
        slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getDatePattern: DateFormat instance not SimpleDateFormat!");
        return errorInJson(UNKNOWN_ERROR, "DateFormat instance not SimpleDateFormat!");
    }

    SimpleDateFormat* sdf = (SimpleDateFormat*) df;

    UnicodeString pt;
    sdf->toPattern(pt);
    std::string ptUtf8;
    pt.toUTF8String(ptUtf8);

    const TimeZone& tz = sdf->getTimeZone();

    UnicodeString tzName;
    tz.getDisplayName(tzName);
    std::string tzUtf8;
    tzName.toUTF8String(tzUtf8);

    int utc_offset = tz.getRawOffset() / 1000; // UTC_OFFSET in seconds.
    int dst_offset = tz.getDSTSavings() / 1000; // DST_OFFSET in seconds;

    return resultInJson(ptUtf8, tzUtf8, utc_offset, dst_offset);
}

//.........这里部分代码省略.........
    }
    logln( (UnicodeString) "" + d + " formatted to " + res1);

    res2 = it->format(d, res2, pos2);
    logln( (UnicodeString) "" + d + " formatted to " + res2);

    res3 = de->format(d, res3);
    logln( (UnicodeString) "" + d + " formatted to " + res3);
}

// ======= Test parse()
if (def != NULL)
{
    logln("Testing parse()");

    UnicodeString text("02/03/76 2:50 AM, CST");
    Formattable result1;
    UDate result2, result3;
    ParsePosition pos(0), pos01(0);
    def->parseObject(text, result1, pos);
    if(result1.getType() != Formattable::kDate) {
        errln("ERROR: parseObject() failed for " + text);
    }
    logln(text + " parsed into " + result1.getDate());

    status = U_ZERO_ERROR;
    result2 = def->parse(text, status);
    if(U_FAILURE(status)) {
        errln("ERROR: parse() failed, stopping testing");
        return;
    }
    logln(text + " parsed into " + result2);

    result3 = def->parse(text, pos01);
    logln(text + " parsed into " + result3);
}

// ======= Test getters and setters
if (fr != NULL && it != NULL && de != NULL)
{
    logln("Testing getters and setters");

    int32_t count = 0;
    const Locale *locales = DateFormat::getAvailableLocales(count);
    logln((UnicodeString) "Got " + count + " locales" );
    for(int32_t i = 0; i < count; i++) {
        UnicodeString name;
        name = locales[i].getName();
        logln(name);
    }

    fr->setLenient(it->isLenient());
    if(fr->isLenient() != it->isLenient()) {
        errln("ERROR: setLenient() failed");
    }

    const Calendar *cal = def->getCalendar();
    Calendar *newCal = cal->clone();
    de->adoptCalendar(newCal);  
    it->setCalendar(*newCal);
    if( *(de->getCalendar()) != *(it->getCalendar())) {
        errln("ERROR: adopt or set Calendar() failed");
    }

    const NumberFormat *nf = def->getNumberFormat();
    NumberFormat *newNf = (NumberFormat*) nf->clone();
    de->adoptNumberFormat(newNf);   
    it->setNumberFormat(*newNf);
    if( *(de->getNumberFormat()) != *(it->getNumberFormat())) {
        errln("ERROR: adopt or set NumberFormat() failed");
    }

    const TimeZone& tz = def->getTimeZone();
    TimeZone *newTz = tz.clone();
    de->adoptTimeZone(newTz);   
    it->setTimeZone(*newTz);
    if( de->getTimeZone() != it->getTimeZone()) {
        errln("ERROR: adopt or set TimeZone() failed");
    }
}
// ======= Test getStaticClassID()

    logln("Testing getStaticClassID()");

    status = U_ZERO_ERROR;
    DateFormat *test = new SimpleDateFormat(status);
    if(U_FAILURE(status)) {
        errln("ERROR: Couldn't create a DateFormat");
    }

    if(test->getDynamicClassID() != SimpleDateFormat::getStaticClassID()) {
        errln("ERROR: getDynamicClassID() didn't return the expected value");
    }

    delete test;
    delete def;
    delete fr;
    delete it;
    delete de;
}

//.........这里部分代码省略.........
    status = U_ZERO_ERROR;
    res2 = cust1.format(fD, res2, pos2, status);
    if(U_FAILURE(status)) {
        errln("ERROR: format(Formattable [Date]) failed");
    }
    logln((UnicodeString) "" + fD.getDate() + " formatted to " + res2);

// ======= Test parse()

    logln("Testing parse()");

    UnicodeString text("02/03/76 2:50 AM, CST");
    UDate result1, result2;
    ParsePosition pos(0);
    result1 = def.parse(text, pos);
    logln(text + " parsed into " + result1);

    status = U_ZERO_ERROR;
    result2 = def.parse(text, status);
    if(U_FAILURE(status)) {
        errln("ERROR: parse() failed");
    }
    logln(text + " parsed into " + result2);

// ======= Test getters and setters

    logln("Testing getters and setters");

    const DateFormatSymbols *syms = pat.getDateFormatSymbols();
    if(!syms) {
      errln("Couldn't obtain DateFormatSymbols. Quitting test!");
      return;
    }
    if(syms->getDynamicClassID() != DateFormatSymbols::getStaticClassID()) {
        errln("ERROR: format->getDateFormatSymbols()->getDynamicClassID() != DateFormatSymbols::getStaticClassID()");
    }
    DateFormatSymbols *newSyms = new DateFormatSymbols(*syms);
    def.adoptDateFormatSymbols(newSyms);    
    pat_fr.setDateFormatSymbols(*newSyms);
    if( *(pat.getDateFormatSymbols()) != *(def.getDateFormatSymbols())) {
        errln("ERROR: adopt or set DateFormatSymbols() failed");
    }

    status = U_ZERO_ERROR;
    UDate startDate = pat.get2DigitYearStart(status);
    if(U_FAILURE(status)) {
        errln("ERROR: getTwoDigitStartDate() failed");
    }
    
    status = U_ZERO_ERROR;
    pat_fr.set2DigitYearStart(startDate, status);
    if(U_FAILURE(status)) {
        errln("ERROR: setTwoDigitStartDate() failed");
    }

// ======= Test DateFormatSymbols constructor
    newSyms  =new DateFormatSymbols("gregorian", status);
    if(U_FAILURE(status)) {
        errln("ERROR: new DateFormatSymbols() failed");
    }
    def.adoptDateFormatSymbols(newSyms);

// ======= Test applyPattern()

    logln("Testing applyPattern()");

std::string GlobalizationNDK::getDateNames(const std::string& args)
{
    ENamesType type = kNamesWide;
    ENamesItem item = kNamesMonths;

    if (!args.empty()) {
        Json::Reader reader;
        Json::Value root;
        bool parse = reader.parse(args, root);

        if (!parse) {
            slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getDateNames: invalid json data: %s",
                    args.c_str());
            return errorInJson(PARSING_ERROR, "Parameters not valid json format!");
        }

        Json::Value options = root["options"];

        std::string error;
        if (!handleNamesOptions(options, type, item, error))
            return errorInJson(PARSING_ERROR, error);
    }

    int count;
    const char* pattern;
    DateFormat::EStyle dstyle;

    // Check ICU SimpleDateFormat document for patterns for months and days.
    // http://www.icu-project.org/apiref/icu4c/classicu_1_1SimpleDateFormat.html
    if (item == kNamesMonths) {
        count = 12;
        if (type == kNamesWide) {
            dstyle = DateFormat::kLong;
            pattern = "MMMM";
        } else {
            dstyle = DateFormat::kShort;
            pattern = "MMM";
        }
    } else {
        count = 7;
        if (type == kNamesWide) {
            dstyle = DateFormat::kLong;
            pattern = "eeee";
        } else {
            dstyle = DateFormat::kShort;
            pattern = "eee";
        }
    }

    UErrorCode status = U_ZERO_ERROR;
    const Locale& loc = Locale::getDefault();
    DateFormat* df = DateFormat::createDateInstance(dstyle, loc);

    if (!df) {
        slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getDateNames: unable to create DateFormat instance!");
        return errorInJson(UNKNOWN_ERROR, "Unable to create DateFormat instance!");
    }
    std::auto_ptr<DateFormat> deleter(df);

    if (df->getDynamicClassID() != SimpleDateFormat::getStaticClassID()) {
        slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getDateNames: DateFormat instance not SimpleDateFormat!");
        return errorInJson(UNKNOWN_ERROR, "DateFormat instance not SimpleDateFormat!");
    }

    SimpleDateFormat* sdf = (SimpleDateFormat*) df;
    sdf->applyLocalizedPattern(UnicodeString(pattern, -1), status);

    Calendar* cal = Calendar::createInstance(status);
    if (!cal) {
        slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getDateNames: unable to create Calendar instance: %x.",
                status);
        return errorInJson(UNKNOWN_ERROR, "Unable to create Calendar instance!");
    }
    std::auto_ptr<Calendar> caldeleter(cal);

    UCalendarDaysOfWeek ud = cal->getFirstDayOfWeek(status);
    if (status != U_ZERO_ERROR && status != U_ERROR_WARNING_START) {
        slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getDateNames: failed to getFirstDayOfWeek: %d!",
                status);
        return errorInJson(PARSING_ERROR, "Failed to getFirstDayOfWeek!");
    }

    if (ud == UCAL_SUNDAY)
        cal->set(2014, 0, 5);
    else
        cal->set(2014, 0, 6);

    std::list<std::string> utf8Names;

    for (int i = 0; i < count; ++i) {
        UnicodeString ucs;
        sdf->format(cal->getTime(status), ucs);

        if (item == kNamesMonths)
            cal->add(UCAL_MONTH, 1, status);
        else
            cal->add(UCAL_DAY_OF_MONTH, 1, status);

        if (ucs.isEmpty())
            continue;
//.........这里部分代码省略.........