com.github.fauu.natrank.util.PeriodUtils.java Source code

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Here is the source code for com.github.fauu.natrank.util.PeriodUtils.java

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/*
 * Copyright (C) 2014 natrank Developers (http://github.com/fauu/natrank)
 *
 * This software is licensed under the GNU General Public License
 * (version 3 or later). See the COPYING file in this distribution.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this software. If not, see <http://www.gnu.org/licenses/>.
 *
 * Authored by: Piotr Grabowski <fau999(at)gmail.com>
 */

package com.github.fauu.natrank.util;

import com.github.fauu.natrank.model.entity.Period;
import org.joda.time.LocalDate;

public final class PeriodUtils {

    private PeriodUtils() {
    }

    public static Period createFromString(String periodStr) {
        Period period = new Period();

        // TODO: Perhaps refactor this to use regex (and also some proper error checking)
        if (periodStr.length() == 11) {
            boolean rightBounded = false;

            if (periodStr.charAt(0) == '-') {
                periodStr = periodStr.substring(1, 11);

                rightBounded = true;
            } else if (periodStr.charAt(10) == '-') {
                periodStr = periodStr.substring(0, 10);
            } else {
                return null;
            }

            String[] periodStrParts = periodStr.split("-");

            LocalDate date = new LocalDate(Integer.parseInt(periodStrParts[0]), Integer.parseInt(periodStrParts[1]),
                    Integer.parseInt(periodStrParts[2]));

            if (rightBounded) {
                period.setToDate(date);
            } else {
                period.setFromDate(date);
            }
        } else if (periodStr.length() == 21) {
            // FIXME: DRY!
            String[] periodStrParts = periodStr.split("-");

            LocalDate fromDate = new LocalDate(Integer.parseInt(periodStrParts[0]),
                    Integer.parseInt(periodStrParts[1]), Integer.parseInt(periodStrParts[2]));

            LocalDate toDate = new LocalDate(Integer.parseInt(periodStrParts[3]),
                    Integer.parseInt(periodStrParts[4]), Integer.parseInt(periodStrParts[5]));

            period.setFromDate(fromDate);
            period.setToDate(toDate);
        } else {
            return null;
        }

        return period;
    }

}