Example usage for java.util GregorianCalendar BC

List of usage examples for java.util GregorianCalendar BC

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Introduction

In this page you can find the example usage for java.util GregorianCalendar BC.

Prototype

int BC

To view the source code for java.util GregorianCalendar BC.

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Document

Value of the ERA field indicating the period before the common era (before Christ), also known as BCE.

Usage

From source file:Main.java

public static void main(String[] args) {

    GregorianCalendar cal = new GregorianCalendar();

    cal.set(Calendar.ERA, GregorianCalendar.BC);

    System.out.println(cal.getTime());

}

From source file:org.comicwiki.serializers.YearSerializer.java

@Override
public void serialize(Date value, JsonGenerator gen, SerializerProvider provider) throws IOException {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(value);//w ww  .jav a  2  s .c o m

    String prefix = calendar.get(Calendar.ERA) == GregorianCalendar.BC ? "-" : "+";
    SimpleDateFormat f = new SimpleDateFormat("yyyy");
    gen.writeString(prefix + f.format(calendar.getTime()));
}

From source file:org.comicwiki.serializers.YearDeserializer.java

@Override
public Date deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
    ObjectMapper mapper = (ObjectMapper) p.getCodec();
    JsonNode valueNode = mapper.readTree(p);
    String dateText = valueNode.asText();
    try {//from  ww w  . j  a  v a  2s.co m
        Date time = new SimpleDateFormat("yyyy").parse(dateText);
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(time);
        calendar.set(Calendar.ERA, (dateText.charAt(0) == '+') ? GregorianCalendar.AD : GregorianCalendar.BC);
        return calendar.getTime();
    } catch (ParseException e) {
        throw new IOException(e);
    }
}

From source file:org.apache.axis2.databinding.utils.ConverterUtil.java

/**
 * Converts a given string into a date. Code from Axis1 DateDeserializer.
 *
 * @param source/*from   ww  w.ja  v  a 2  s . co m*/
 * @return Returns Date.
 */
public static Date convertToDate(String source) {

    // the lexical form of the date is '-'? yyyy '-' mm '-' dd zzzzzz?
    if ((source == null) || source.trim().equals("")) {
        return null;
    }
    source = source.trim();
    boolean bc = false;
    if (source.startsWith("-")) {
        source = source.substring(1);
        bc = true;
    }

    int year = 0;
    int month = 0;
    int day = 0;
    int timeZoneOffSet = TimeZone.getDefault().getRawOffset();

    if (source.length() >= 10) {
        //first 10 numbers must give the year
        if ((source.charAt(4) != '-') || (source.charAt(7) != '-')) {
            throw new RuntimeException("invalid date format (" + source + ") with out - s at correct place ");
        }
        year = Integer.parseInt(source.substring(0, 4));
        month = Integer.parseInt(source.substring(5, 7));
        day = Integer.parseInt(source.substring(8, 10));

        if (source.length() > 10) {
            String restpart = source.substring(10);
            if (restpart.startsWith("Z")) {
                // this is a gmt time zone value
                timeZoneOffSet = 0;
            } else if (restpart.startsWith("+") || restpart.startsWith("-")) {
                // this is a specific time format string
                if (restpart.charAt(3) != ':') {
                    throw new RuntimeException(
                            "invalid time zone format (" + source + ") without : at correct place");
                }
                int hours = Integer.parseInt(restpart.substring(1, 3));
                int minits = Integer.parseInt(restpart.substring(4, 6));
                timeZoneOffSet = ((hours * 60) + minits) * 60000;
                if (restpart.startsWith("-")) {
                    timeZoneOffSet = timeZoneOffSet * -1;
                }
            } else {
                throw new RuntimeException("In valid string sufix");
            }
        }
    } else {
        throw new RuntimeException("In valid string to parse");
    }

    Calendar calendar = Calendar.getInstance();
    calendar.clear();
    calendar.setLenient(false);
    calendar.set(Calendar.YEAR, year);
    //xml month stars from the 1 and calendar month is starts with 0
    calendar.set(Calendar.MONTH, month - 1);
    calendar.set(Calendar.DAY_OF_MONTH, day);
    calendar.set(Calendar.ZONE_OFFSET, timeZoneOffSet);

    // set the day light off set only if time zone
    if (source.length() >= 10) {
        calendar.set(Calendar.DST_OFFSET, 0);
    }
    calendar.getTimeInMillis();
    if (bc) {
        calendar.set(Calendar.ERA, GregorianCalendar.BC);
    }

    return calendar.getTime();

}

From source file:org.apache.axis2.databinding.utils.ConverterUtil.java

/**
 * Code from Axis1 code base Note - We only follow the convention in the latest schema spec
 *
 * @param source/*from   www. ja  v  a2  s.c om*/
 * @return Returns Calendar.
 */
public static Calendar convertToDateTime(String source) {

    if ((source == null) || source.trim().equals("")) {
        return null;
    }
    source = source.trim();
    // the lexical representation of the date time as follows
    // '-'? yyyy '-' mm '-' dd 'T' hh ':' mm ':' ss ('.' s+)? (zzzzzz)?
    Date date = null;
    Calendar calendar = Calendar.getInstance();
    calendar.clear();
    calendar.setLenient(false);

    if (source.startsWith("-")) {
        source = source.substring(1);
        calendar.set(Calendar.ERA, GregorianCalendar.BC);
    }

    int year = 0;
    int month = 0;
    int day = 0;
    int hour = 0;
    int minite = 0;
    int second = 0;
    long miliSecond = 0;
    int timeZoneOffSet = TimeZone.getDefault().getRawOffset();

    if ((source != null) && (source.length() >= 19)) {
        if ((source.charAt(4) != '-') || (source.charAt(7) != '-') || (source.charAt(10) != 'T')
                || (source.charAt(13) != ':') || (source.charAt(16) != ':')) {
            throw new RuntimeException("invalid date format (" + source + ") with out - s at correct place ");
        }
        year = Integer.parseInt(source.substring(0, 4));
        month = Integer.parseInt(source.substring(5, 7));
        day = Integer.parseInt(source.substring(8, 10));
        hour = Integer.parseInt(source.substring(11, 13));
        minite = Integer.parseInt(source.substring(14, 16));
        second = Integer.parseInt(source.substring(17, 19));

        int milliSecondPartLength = 0;

        if (source.length() > 19) {
            String rest = source.substring(19);
            if (rest.startsWith(".")) {
                // i.e this have the ('.'s+) part
                if (rest.endsWith("Z")) {
                    // this is in gmt time zone
                    timeZoneOffSet = 0;
                    calendar.setTimeZone(TimeZone.getTimeZone("GMT"));
                    miliSecond = Integer.parseInt(rest.substring(1, rest.lastIndexOf("Z")));
                    milliSecondPartLength = rest.substring(1, rest.lastIndexOf("Z")).trim().length();
                } else if ((rest.lastIndexOf("+") > 0) || (rest.lastIndexOf("-") > 0)) {
                    // this is given in a general time zione
                    String timeOffSet = null;
                    if (rest.lastIndexOf("+") > 0) {
                        timeOffSet = rest.substring(rest.lastIndexOf("+") + 1);
                        miliSecond = Integer.parseInt(rest.substring(1, rest.lastIndexOf("+")));
                        milliSecondPartLength = rest.substring(1, rest.lastIndexOf("+")).trim().length();
                        // we keep +1 or -1 to finally calculate the value
                        timeZoneOffSet = 1;

                    } else if (rest.lastIndexOf("-") > 0) {
                        timeOffSet = rest.substring(rest.lastIndexOf("-") + 1);
                        miliSecond = Integer.parseInt(rest.substring(1, rest.lastIndexOf("-")));
                        milliSecondPartLength = rest.substring(1, rest.lastIndexOf("-")).trim().length();
                        // we keep +1 or -1 to finally calculate the value
                        timeZoneOffSet = -1;
                    }
                    if (timeOffSet.charAt(2) != ':') {
                        throw new RuntimeException(
                                "invalid time zone format (" + source + ") without : at correct place");
                    }
                    int hours = Integer.parseInt(timeOffSet.substring(0, 2));
                    int minits = Integer.parseInt(timeOffSet.substring(3, 5));
                    timeZoneOffSet = ((hours * 60) + minits) * 60000 * timeZoneOffSet;

                } else {
                    // i.e it does not have time zone
                    miliSecond = Integer.parseInt(rest.substring(1));
                    milliSecondPartLength = rest.substring(1).trim().length();
                }

            } else {
                if (rest.startsWith("Z")) {
                    calendar.setTimeZone(TimeZone.getTimeZone("GMT"));
                    // this is in gmt time zone
                    timeZoneOffSet = 0;
                } else if (rest.startsWith("+") || rest.startsWith("-")) {
                    // this is given in a general time zione
                    if (rest.charAt(3) != ':') {
                        throw new RuntimeException(
                                "invalid time zone format (" + source + ") without : at correct place");
                    }
                    int hours = Integer.parseInt(rest.substring(1, 3));
                    int minits = Integer.parseInt(rest.substring(4, 6));
                    timeZoneOffSet = ((hours * 60) + minits) * 60000;
                    if (rest.startsWith("-")) {
                        timeZoneOffSet = timeZoneOffSet * -1;
                    }
                } else {
                    throw new NumberFormatException("in valid time zone attribute");
                }
            }
        }
        calendar.set(Calendar.YEAR, year);
        // xml month is started from 1 and calendar month is started from 0
        calendar.set(Calendar.MONTH, month - 1);
        calendar.set(Calendar.DAY_OF_MONTH, day);
        calendar.set(Calendar.HOUR_OF_DAY, hour);
        calendar.set(Calendar.MINUTE, minite);
        calendar.set(Calendar.SECOND, second);
        if (milliSecondPartLength != 3) {
            // milisecond part represenst the fraction of the second so we have to
            // find the fraction and multiply it by 1000. So if milisecond part
            // has three digits nothing required
            miliSecond = miliSecond * 1000;
            for (int i = 0; i < milliSecondPartLength; i++) {
                miliSecond = miliSecond / 10;
            }
        }
        calendar.set(Calendar.MILLISECOND, (int) miliSecond);
        calendar.set(Calendar.ZONE_OFFSET, timeZoneOffSet);
        // set the day light offset only if the time zone is present
        if (source.length() > 19) {
            calendar.set(Calendar.DST_OFFSET, 0);
        }

    } else {
        throw new NumberFormatException("date string can not be less than 19 characters");
    }

    return calendar;
}

From source file:org.apache.hadoop.hive.ql.udf.UDFADD_MONTHS.java

public Text evaluate(Text dateString1, IntWritable months) {

    if (dateString1 == null || months == null) {
        return null;
    }/*  w  ww .ja  v  a 2s .  co m*/

    try {

        Date inDate;
        boolean hasLine = false;
        for (int i = 0; i < dateString1.toString().length(); i++) {
            if (dateString1.toString().charAt(i) == '-') {
                hasLine = true;
                break;
            }
        }

        if (!hasLine) {
            if (dateString1.toString().trim().length() > 8) {
                return null;
            }
            inDate = formatterNoLine.parse(dateString1.toString().trim());
        } else {
            inDate = formatter.parse(dateString1.toString());
        }

        calendar.setTime(inDate);
        int fff = calendar.get(Calendar.ERA);
        if (fff == GregorianCalendar.BC)
            return null;
        int yyy = calendar.get(Calendar.YEAR);
        if ((yyy < 1900) || (yyy > 9999))
            return null;
        int mmm = calendar.get(Calendar.MONTH);
        int rrr = yyy + (months.get() + mmm) / 12;
        if ((rrr < 1900) || (rrr > 9999))
            return null;
        calendar.add(Calendar.DAY_OF_MONTH, 1);
        if (calendar.get(Calendar.DAY_OF_MONTH) == 1) {
            calendar.add(Calendar.MONTH, months.get());
            calendar.add(Calendar.DAY_OF_MONTH, -1);
        } else {
            calendar.add(Calendar.DAY_OF_MONTH, -1);
            calendar.add(Calendar.MONTH, months.get());
        }
        yyy = calendar.get(Calendar.YEAR);
        if ((yyy < 1900) || (yyy > 9999))
            return null;
        Date newDate = calendar.getTime();

        if (!hasLine) {
            result.set(formatterNoLine.format(newDate));
        } else {
            result.set(formatter.format(newDate));
        }
        return result;
    } catch (ParseException e) {
        return null;
    }
}

From source file:org.apache.hadoop.hive.ql.udf.UDFLAST_DAY.java

public IntWritable evaluate(Text dateString) {

    if (dateString == null) {
        return null;
    }//w  w  w.j av  a 2s .  com

    try {
        Date date = formatter.parse(dateString.toString());
        calendar.setTime(date);

        if (calendar.get(Calendar.ERA) == GregorianCalendar.BC)
            return null;
        int xxh = calendar.get(Calendar.YEAR);
        if ((xxh < 1900) || (xxh > 9999))
            return null;

        int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
        result.set(maxDay);
        return result;
    } catch (ParseException e) {
        return null;
    }
}

From source file:org.apache.hadoop.hive.ql.udf.UDFMONTHS_BETWEEN.java

public DoubleWritable evaluate(Text date1, Text date2) {

    if (date1 == null || date2 == null) {
        return null;
    }//from w w  w  .  ja  v a 2s  . c  o m

    try {

        Date date_1, date_2;
        boolean hasLine = false;

        for (int i = 0; i < date1.toString().length(); i++) {
            if (date1.toString().charAt(i) == '-') {
                hasLine = true;
                break;
            }
        }
        if (!hasLine) {
            if (date1.toString().trim().length() > 8) {
                return null;
            }
            date_1 = formatterNoLine.parse(date1.toString().trim());
        } else {
            date_1 = formatter.parse(date1.toString());
        }

        hasLine = false;
        for (int i = 0; i < date2.toString().length(); i++) {
            if (date2.toString().charAt(i) == '-') {
                hasLine = true;
                break;
            }
        }
        if (!hasLine) {
            if (date2.toString().trim().length() > 8) {
                return null;
            }
            date_2 = formatterNoLine.parse(date2.toString().trim());
        } else {
            date_2 = formatter.parse(date2.toString());
        }

        calendar.setTime(date_1);
        if (calendar.get(Calendar.ERA) == GregorianCalendar.BC)
            return null;
        int yyy = calendar.get(Calendar.YEAR);
        if ((yyy < 1900) || (yyy > 9999))
            return null;
        int d_1 = calendar.get(Calendar.DAY_OF_MONTH);
        int m_1 = calendar.get(Calendar.MONTH);
        int y_1 = calendar.get(Calendar.YEAR);
        calendar.setTime(date_2);
        if (calendar.get(Calendar.ERA) == GregorianCalendar.BC)
            return null;
        yyy = calendar.get(Calendar.YEAR);
        if ((yyy < 1900) || (yyy > 9999))
            return null;
        int d_2 = calendar.get(Calendar.DAY_OF_MONTH);
        int m_2 = calendar.get(Calendar.MONTH);
        int y_2 = calendar.get(Calendar.YEAR);
        double tmpR = (double) ((y_1 - y_2) * 12) + (double) (m_1 - m_2) + (double) (d_1 - d_2) / 31.0;
        result.set(tmpR);
        return result;
    } catch (ParseException e) {
        return null;
    }
}

From source file:org.apache.hadoop.hive.ql.udf.UDFTRUNC.java

public Text evaluate(Text date, Text format) {
    if (date == null || format == null)
        return null;
    try {//from   w w w  .  ja va  2s .  c  o  m
        Date theDate = formatter.parse(date.toString());
        calendar.setTime(theDate);

        if (calendar.get(Calendar.ERA) == GregorianCalendar.BC)
            return null;
        int xxh = calendar.get(Calendar.YEAR);
        if ((xxh < 1900) || (xxh > 9999))
            return null;

        String fff = format.toString();
        if (fff.equals("YEAR") || fff.equals("YYYY") || fff.equals("YYY") || fff.equals("YY") || fff.equals("Y")
                || fff.equals("SYEAR") || fff.equals("SYYYY")) {
            calendar.set(calendar.get(Calendar.YEAR), 0, 1, 0, 0, 0);
            result.set(formatter.format(calendar.getTime()));
            return result;
        } else if (fff.equals("MONTH") || fff.equals("MON") || fff.equals("MM") || fff.equals("RM")) {
            calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), 1, 0, 0, 0);
            result.set(formatter.format(calendar.getTime()));
            return result;
        } else if (fff.equals("WW")) {
            calendar.set(Calendar.HOUR, 0);
            calendar.set(Calendar.MINUTE, 0);
            calendar.set(Calendar.SECOND, 0);
            if (calendar.get(Calendar.DAY_OF_YEAR) % 7 == 0)
                calendar.set(Calendar.DAY_OF_YEAR, ((calendar.get(Calendar.DAY_OF_YEAR) / 7 - 1) * 7 + 1));
            else
                calendar.set(Calendar.DAY_OF_YEAR, ((calendar.get(Calendar.DAY_OF_YEAR) / 7) * 7 + 1));
            result.set(formatter.format(calendar.getTime()));
            return result;
        } else if (fff.equals("W")) {
            calendar.set(Calendar.HOUR, 0);
            calendar.set(Calendar.MINUTE, 0);
            calendar.set(Calendar.SECOND, 0);
            if (calendar.get(Calendar.DAY_OF_MONTH) % 7 == 0)
                calendar.set(Calendar.DAY_OF_MONTH, ((calendar.get(Calendar.DAY_OF_MONTH) / 7 - 1) * 7 + 1));
            else
                calendar.set(Calendar.DAY_OF_MONTH, ((calendar.get(Calendar.DAY_OF_MONTH) / 7) * 7 + 1));
            result.set(formatter.format(calendar.getTime()));
            return result;
        } else if (fff.equals("DAY") || fff.equals("D") || fff.equals("DY")) {
            calendar.set(Calendar.DAY_OF_MONTH,
                    calendar.get(Calendar.DAY_OF_MONTH) + 1 - calendar.get(Calendar.DAY_OF_WEEK));
            calendar.set(Calendar.HOUR, 0);
            calendar.set(Calendar.MINUTE, 0);
            calendar.set(Calendar.SECOND, 0);
            result.set(formatter.format(calendar.getTime()));
            return result;
        } else if (fff.equals("DDD") || fff.equals("DD") || fff.equals("J")) {
            calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),
                    calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
            result.set(formatter.format(calendar.getTime()));
            return result;
        } else if (fff.equals("HH") || fff.equals("HH12") || fff.equals("HH24")) {
            calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),
                    calendar.get(Calendar.DAY_OF_MONTH), calendar.get(Calendar.HOUR_OF_DAY), 0, 0);
            result.set(formatter.format(calendar.getTime()));
            return result;
        } else if (fff.equals("MI")) {
            calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),
                    calendar.get(Calendar.DAY_OF_MONTH), calendar.get(Calendar.HOUR_OF_DAY),
                    calendar.get(Calendar.MINUTE), 0);
            result.set(formatter.format(calendar.getTime()));
            return result;
        } else {
            return null;
        }
    } catch (ParseException e) {
        return null;
    }
}

From source file:org.apache.hadoop.hive.ql.udf.UDFTRUNC.java

public Text evaluate(Text date) {
    if (date == null)
        return null;
    try {/*from   w w  w.jav a2s .  c  o m*/
        Date theDate = formatter.parse(date.toString());
        calendar.setTime(theDate);

        if (calendar.get(Calendar.ERA) == GregorianCalendar.BC)
            return null;
        int xxh = calendar.get(Calendar.YEAR);
        if ((xxh < 1900) || (xxh > 9999))
            return null;

        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),
                calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        result.set(formatter.format(calendar.getTime()));
        return result;

    } catch (ParseException e) {
        return null;
    }
}