Java Day of Week dayOfWeekFromInt(final int theDay)

Description

Conversion utility for getting a print friendly string representation of a day of the week from a numeric between 1 and 7.

License

Open Source License

Parameter

Parameter	Description
theDay	an integer between 1 and 7 denoting the day of the week. 1 being Sunday.

Exception

Parameter	Description
IllegalArgumentException	if argument theDay is not in range of 1 to 7

Return

a print friendly string representation of a day of the week. 1 being Sunday.

Declaration

public static String dayOfWeekFromInt(final int theDay) throws IllegalArgumentException

Method Source Code

//package com.java2s;
/*//from w w w  .  jav  a2 s . c  o m
 * #%L
 * org.bml
 * %%
 * Copyright (C) 2006 - 2014 Brian M. Lima
 * %%
 * This file is part of ORG.BML.
 * 
 *     ORG.BML 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.
 * 
 *     ORG.BML 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 Lesser General Public License for more details.
 * 
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with ORG.BML.  If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

public class Main {
    /**
     * Conversion utility for getting a print friendly string representation of
     * a day of the week from a numeric between 1 and 7. Sunday is 1.
     *
     * @param theDay an integer between 1 and 7 denoting the day of the week. 1
     * being Sunday.
     * @return a print friendly string representation of a day of the week. 1
     * being Sunday.
     * @throws IllegalArgumentException if argument theDay is not in range of 1 to 7
     */
    public static String dayOfWeekFromInt(final int theDay) throws IllegalArgumentException {
        if (theDay > 7 || theDay < 1) {
            throw new IllegalArgumentException("Argument theDay is not in range of 1 to 7");
        }
        switch (theDay) {
        case 1:
            return "Sunday";
        case 2:
            return "Monday";
        case 3:
            return "Tuesday";
        case 4:
            return "Wednesday";
        case 5:
            return "Thursday";
        case 6:
            return "Friday";
        case 7:
            return "Saturday";
        default: //unreachable but the compiler wants it!
            return null;
        }
    }
}