Java Month Get getMonth(String date)

Description

get Month

License

Open Source License

Declaration

private static Integer getMonth(String date) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2016 German Federal Institute for Risk Assessment (BfR)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version./*from   w  ww. java2  s. c o  m*/
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     Department Biological Safety - BfR
 *******************************************************************************/

public class Main {
    private static Integer getMonth(String date) {
        if (date == null) {
            return null;
        }

        String month = null;

        if (date.contains(".")) {
            int i1 = date.indexOf('.');
            int i2 = date.lastIndexOf('.');

            if (i1 == i2) {
                month = date.substring(0, i1);
            } else {
                month = date.substring(i1 + 1, i2);
            }
        } else if (date.contains("-")) {
            int i1 = date.indexOf('-');
            int i2 = date.lastIndexOf('-');

            if (i1 == i2) {
                month = date.substring(i1 + 1);
            } else {
                month = date.substring(i1 + 1, i2);
            }
        }

        try {
            return Integer.parseInt(month);
        } catch (NumberFormatException | NullPointerException e) {
            return null;
        }
    }
}

Related

1. getMonth(Integer month)
2. getMonth(long date, int increment)
3. getMonth(long l)
4. getMonth(SimpleDateFormat df, String dateStr)
5. getMonth(String aDate)
6. getMonth(String date)
7. getMonth(String date)
8. getMonth(String dateKey)
9. getMonth(String datetime)