Example usage for org.joda.time LocalDateTime withYearOfCentury

Introduction

In this page you can find the example usage for org.joda.time LocalDateTime withYearOfCentury.

Prototype

public LocalDateTime withYearOfCentury(int yearOfCentury) 

Source Link

Document

Returns a copy of this datetime with the year of century field updated.

Usage

From source file:ee.ut.soras.ajavtV2.mudel.ajavaljend.arvutus.SemLeidmiseAbimeetodid.java

License:Open Source License

/**
 *   Rakendab yldistatud Baldwini akent, et leida hetkele <tt>currentDateTime</tt> l2himat 
 *  ajahetke, mis vastab tingimustele <tt>field == soughtValue</tt>. Kui tingimustele vastav
 *  hetk j22b v2lja Baldwini akna raamidest, toimib kui tavaline SET operatsioon, omistades
 *  <tt>field := soughtValue</tt> ajahetke <tt>currentDateTime</tt> raames.
 *  <p>/*from ww w  .  j av  a  2s  .c o m*/
 *  Praegu on implementeeritud ainult granulaarsuste 
 *  <tt>DAY_OF_WEEK</tt>, <tt>MONTH</tt>, <tt>YEAR_OF_CENTURY</tt>  
 *  toetus. 
    *  <p>
 *  <i>What's the Date? High Accuracy Interpretation of Weekday Name,</i> Dale, Mazur (2009)
 */
public static LocalDateTime applyBaldwinWindow(Granulaarsus field, LocalDateTime currentDateTime,
        int soughtValue) {
    // ---------------------------------
    //  DAY_OF_WEEK
    // ---------------------------------      
    if (field == Granulaarsus.DAY_OF_WEEK && DateTimeConstants.MONDAY <= soughtValue
            && soughtValue <= DateTimeConstants.SUNDAY) {
        int currentDayOfWeek = currentDateTime.getDayOfWeek();
        int addToCurrent = 0;
        // 1) Vaatame eelnevat 3-e p&auml;eva
        while (addToCurrent > -4) {
            if (currentDayOfWeek == soughtValue) {
                return currentDateTime.plusDays(addToCurrent);
            }
            currentDayOfWeek--;
            if (currentDayOfWeek < DateTimeConstants.MONDAY) {
                currentDayOfWeek = DateTimeConstants.SUNDAY;
            }
            addToCurrent--;
        }
        // 2) Vaatame jargnevat 3-e p&auml;eva
        currentDayOfWeek = currentDateTime.getDayOfWeek();
        addToCurrent = 0;
        while (addToCurrent < 4) {
            if (currentDayOfWeek == soughtValue) {
                return currentDateTime.plusDays(addToCurrent);
            }
            currentDayOfWeek++;
            if (currentDayOfWeek > DateTimeConstants.SUNDAY) {
                currentDayOfWeek = DateTimeConstants.MONDAY;
            }
            addToCurrent++;
        }
    }
    // ---------------------------------
    //  MONTH
    // ---------------------------------
    if (field == Granulaarsus.MONTH && DateTimeConstants.JANUARY <= soughtValue
            && soughtValue <= DateTimeConstants.DECEMBER) {
        int currentMonth = currentDateTime.getMonthOfYear();
        int addToCurrent = 0;
        // 1) Vaatame eelnevat 5-e kuud
        while (addToCurrent > -6) {
            if (currentMonth == soughtValue) {
                return currentDateTime.plusMonths(addToCurrent);
            }
            currentMonth--;
            if (currentMonth < DateTimeConstants.JANUARY) {
                currentMonth = DateTimeConstants.DECEMBER;
            }
            addToCurrent--;
        }
        // 2) Vaatame jargnevat 5-e kuud
        currentMonth = currentDateTime.getMonthOfYear();
        addToCurrent = 0;
        while (addToCurrent < 6) {
            if (currentMonth == soughtValue) {
                return currentDateTime.plusMonths(addToCurrent);
            }
            currentMonth++;
            if (currentMonth > DateTimeConstants.DECEMBER) {
                currentMonth = DateTimeConstants.JANUARY;
            }
            addToCurrent++;
        }
        // Kui otsitav kuu j2i aknast v2lja, k2sitleme seda kui "selle aasta" otsitud kuud
        return currentDateTime.withMonthOfYear(soughtValue);
    }
    // ---------------------------------
    //  YEAR_OF_CENTURY
    // ---------------------------------
    if (field == Granulaarsus.YEAR_OF_CENTURY && 0 <= soughtValue && soughtValue <= 99) {
        // API tunnistab vrtuseid vahemikust 1 kuni 100
        if (soughtValue == 0) {
            soughtValue = 100;
        }
        int currentYear = currentDateTime.getYearOfCentury();
        int addToCurrent = 0;
        // 1) Vaatame eelnevat 4-a aastakymmet 
        while (addToCurrent > -49) {
            if (currentYear == soughtValue) {
                return currentDateTime.plusYears(addToCurrent);
            }
            currentYear--;
            if (currentYear < 1) {
                currentYear = 100;
            }
            addToCurrent--;
        }
        // 2) Vaatame jargnevat 4-a aastakymmet
        currentYear = currentDateTime.getYearOfCentury();
        addToCurrent = 0;
        while (addToCurrent < 49) {
            if (currentYear == soughtValue) {
                return currentDateTime.plusYears(addToCurrent);
            }
            currentYear++;
            if (currentYear > 100) {
                currentYear = 1;
            }
            addToCurrent++;
        }
        // Kui otsitav kuu j2i aknast v2lja, k2sitleme seda kui "selle sajandi" otsitud aastat
        return currentDateTime.withYearOfCentury(soughtValue);
    }
    return currentDateTime;
}

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