Example usage for org.joda.time.format DateTimeFormatterBuilder appendCenturyOfEra

Introduction

In this page you can find the example usage for org.joda.time.format DateTimeFormatterBuilder appendCenturyOfEra.

Prototype

public DateTimeFormatterBuilder appendCenturyOfEra(int minDigits, int maxDigits) 

Source Link

Document

Instructs the printer to emit a numeric century of era field.

Usage

From source file:com.clevercloud.bianca.lib.date.DateModule.java

License:Open Source License

/**
 * Returns the parsed date.//from ww  w.  j a v a  2s  .  c  om
 */
public Value strptime(Env env, String date, String format) {
    ArrayValueImpl array = new ArrayValueImpl();
    DateTimeFormatterBuilder fb = new DateTimeFormatterBuilder();

    int length = format.length();

    for (int i = 0; i < length; i++) {
        char ch = format.charAt(i);
        if (ch != '%') {
            fb.appendLiteral(ch);
            continue;
        }

        switch (format.charAt(++i)) {
        case 'a':
            fb.appendDayOfWeekShortText();
            break;

        case 'A':
            fb.appendDayOfWeekText();
            break;

        case 'h':
        case 'b':
            fb.appendMonthOfYearShortText();
            ;
            break;

        case 'B':
            fb.appendMonthOfYearText();
            break;

        // TODO: case 'c'

        case 'C':
            fb.appendCenturyOfEra(2, 2);
            break;

        case 'd':
            fb.appendDayOfMonth(2);
            break;

        case 'D':
            fb.appendMonthOfYear(2);
            fb.appendLiteral('/');
            fb.appendDayOfMonth(2);
            fb.appendLiteral('/');
            fb.appendYear(2, 2);
            break;

        // TODO: case 'e'

        case 'F':
            fb.appendYear(4, 4);
            fb.appendLiteral('-');
            fb.appendMonthOfYear(2);
            fb.appendLiteral('-');
            fb.appendDayOfMonth(2);
            break;

        // TODO: case 'g'
        // TODO: case 'G'

        case 'H':
            fb.appendHourOfDay(2);
            break;

        case 'I':
            fb.appendHourOfHalfday(2);
            break;

        case 'j':
            fb.appendDayOfYear(3);
            break;

        // TODO: case 'l'

        case 'm':
            fb.appendMonthOfYear(2);
            break;

        case 'M':
            fb.appendMinuteOfHour(2);
            break;

        case 'n':
            fb.appendLiteral("\n");
            break;

        case 'p':
        case 'P':
            fb.appendHalfdayOfDayText();
            break;

        case 'r':
            fb.appendHourOfHalfday(2);
            fb.appendLiteral(':');
            fb.appendMinuteOfHour(2);
            fb.appendLiteral(':');
            fb.appendSecondOfMinute(2);
            fb.appendLiteral(' ');
            fb.appendHalfdayOfDayText();
            break;

        case 'R':
            fb.appendHourOfDay(2);
            fb.appendLiteral(':');
            fb.appendMinuteOfHour(2);
            break;

        // TODO: case 's'

        case 'S':
            fb.appendSecondOfMinute(2);
            break;

        case 't':
            fb.appendLiteral("\t");
            break;

        case 'T':
            fb.appendHourOfDay(2);
            fb.appendLiteral(':');
            fb.appendMinuteOfHour(2);
            fb.appendLiteral(':');
            fb.appendSecondOfMinute(2);
            break;

        // TODO: case 'u'
        // TODO: case 'U'
        // TODO: case 'V'
        // TODO: case 'w'
        // TODO: case 'W'
        // TODO: case 'x'
        // TODO: case 'X'

        case 'y':
            fb.appendYear(2, 2);
            break;

        case 'Y':
            fb.appendYear(4, 4);
            break;

        case 'z':
            fb.appendTimeZoneOffset(null, true, 2, 2);
            break;

        case 'Z':
            fb.appendTimeZoneName();
            break;

        case '%':
            fb.appendLiteral('%');
            break;

        default:
            fb.appendLiteral(ch);
        }
    }

    DateTimeFormatter dtf = fb.toFormatter().withLocale(Locale.getDefault()).withOffsetParsed();

    org.joda.time.DateTime dt = new org.joda.time.DateTime();

    String unparsed = "";

    try {
        dt = dtf.parseDateTime(date);
    } catch (IllegalArgumentException e) {
        String delims = "[\"]+";

        String[] splits = e.getMessage().split(delims);

        unparsed = unparsed.concat(splits[3]);
    }

    // According to manual strptime(3)
    if (dt.getCenturyOfEra() == 0) {
        if (dt.getYear() > 68) {
            dt = dt.withCenturyOfEra(19);
        } else {
            dt = dt.withCenturyOfEra(20);
        }
    }

    array.put("tm_sec", dt.getSecondOfMinute());
    array.put("tm_min", dt.getMinuteOfHour());
    array.put("tm_hour", dt.getHourOfDay());
    array.put("tm_mday", dt.getDayOfMonth());
    array.put("tm_mon", dt.getMonthOfYear() - 1);
    array.put("tm_year", dt.getYearOfCentury() + ((dt.getCenturyOfEra() - 19) * 100)); // Years since 1900
    array.put("tm_wday", dt.getDayOfWeek() % 7);
    array.put("tm_yday", dt.getDayOfYear() - 1);
    array.put("unparsed", unparsed);

    return array;
}

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