Examples of com.ibm.icu.text.DateFormat.format()

com.ibm.icu.text.DateFormat.format()
Overrides Format. Formats a time object into a time string. Examples of time objects are a time value expressed in milliseconds and a Date object. @param obj must be a Number or a Date or a Calendar. @param toAppendTo the string buffer for the returning time string. @return the formatted time string. @param fieldPosition keeps track of the position of the fieldwithin the returned string. On input: an alignment field, if desired. On output: the offsets of the alignment field. For example, given a time text "1996.07.10 AD at 15:08:56 PDT", if the given fieldPosition is DateFormat.YEAR_FIELD, the begin index and end index of fieldPosition will be set to 0 and 4, respectively. Notice that if the same time field appears more than once in a pattern, the fieldPosition will be set for the first occurence of that time field. For instance, formatting a Date to the time string "1 PM PDT (Pacific Daylight Time)" using the pattern "h a z (zzzz)" and the alignment field DateFormat.TIMEZONE_FIELD, the begin index and end index of fieldPosition will be set to 5 and 8, respectively, for the first occurence of the timezone pattern character 'z'. @see java.text.Format @stable ICU 2.0


        f = DateFormat.getTimeInstance(cal, DateFormat.FULL);
        logln("time yet again: " + f.format(now));


        f = DateFormat.getDateInstance();
        logln("time yet again: " + f.format(now));


        ICUResourceBundle rb = (ICUResourceBundle)UResourceBundle.getBundleInstance(ICUResourceBundle.ICU_BASE_NAME,"de_DE");
        DateFormatSymbols sym = new DateFormatSymbols(rb, Locale.GERMANY);
        DateFormatSymbols sym2 = (DateFormatSymbols)sym.clone();
        if (sym.hashCode() != sym2.hashCode()) {

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        sym = new ChineseDateFormatSymbols(ccal, ULocale.CHINA); //gclsh1 add
        
        StringBuffer buf = new StringBuffer();
        FieldPosition pos = new FieldPosition(0);
        
        f.format((Object)cal, buf, pos);
        f.format((Object)now, buf, pos);
        f.format((Object)new Long(now.getTime()), buf, pos);
        try {
            f.format((Object)"Howdy", buf, pos);
        }

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        StringBuffer buf = new StringBuffer();
        FieldPosition pos = new FieldPosition(0);
        
        f.format((Object)cal, buf, pos);
        f.format((Object)now, buf, pos);
        f.format((Object)new Long(now.getTime()), buf, pos);
        try {
            f.format((Object)"Howdy", buf, pos);
        }
        catch (Exception e) {

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        StringBuffer buf = new StringBuffer();
        FieldPosition pos = new FieldPosition(0);
        
        f.format((Object)cal, buf, pos);
        f.format((Object)now, buf, pos);
        f.format((Object)new Long(now.getTime()), buf, pos);
        try {
            f.format((Object)"Howdy", buf, pos);
        }
        catch (Exception e) {
        }

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        f.format((Object)cal, buf, pos);
        f.format((Object)now, buf, pos);
        f.format((Object)new Long(now.getTime()), buf, pos);
        try {
            f.format((Object)"Howdy", buf, pos);
        }
        catch (Exception e) {
        }


        NumberFormat nf = f.getNumberFormat();

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            Calendar xcal = new GregorianCalendar();
            xcal.set(Calendar.HOUR_OF_DAY, 0);
            DateFormat fmt = new SimpleDateFormat("k");
            StringBuffer xbuf = new StringBuffer();
            FieldPosition fpos = new FieldPosition(Calendar.HOUR_OF_DAY);
            fmt.format(xcal, xbuf, fpos);
            try {
                fmt.parse(xbuf.toString());
                logln("ok");
                
                xbuf.setLength(0);

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                fmt.parse(xbuf.toString());
                logln("ok");
                
                xbuf.setLength(0);
                xcal.set(Calendar.HOUR_OF_DAY, 25);
                fmt.format(xcal, xbuf, fpos);
                Date d2 = fmt.parse(xbuf.toString());
                logln("ok again - d2=" + d2);
            }
            catch (ParseException e) {
                errln("whoops");

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        } catch (IllegalArgumentException iae) {
            errln("FAIL: Number must be accepted by formatToCharacterIterator");
        }


        boolean isException = false;
        String str = df.format(d);
        try {
            acit = df.formatToCharacterIterator(str);
            if (acit == null) {
                errln("FAIL: null AttributedCharacterIterator returned by formatToCharacterIterator(String)");
            }

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                cal.setTime(today);
                cal.add(Calendar.DATE, dayOffset);


                fmtRelDateTime.format(cal, dateTimeStr, fp);
                fmtRelDate.format(cal, dateStr, new FieldPosition(0) );
                fmtTime.format(cal, timeStr, new FieldPosition(0) );


                // check that dateStr is in dateTimeStr
                if ( dateTimeStr.toString().indexOf( dateStr.toString() ) < 0 ) {
                    errln("relative date string not found in datetime format with timeStyle SHORT, dateStyle " +
                            dateStyle + " for dayOffset " + dayOffset );

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        dexp1 = new Date(dexp2.getTime() - (5*60 + 52)*1000);   // subtract 5m52s


        DateFormat fmt = DateFormat.getTimeInstance(DateFormat.FULL, new ULocale("zh"));
        fmt.setTimeZone(tz);


        s1 = fmt.format(d1);
        s2 = fmt.format(d2);


        try {
            dp1 = fmt.parse(s1);
            dp2 = fmt.parse(s2);

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