Java Date Value Check isValidGameDate(String gameDate)

Description

is Valid Game Date

License

Apache License

Declaration

public static boolean isValidGameDate(String gameDate) 

Method Source Code

//package com.java2s;
/*//from   w w w  . j a  v a2 s .co m
 * Copyright (c) Justin Moore.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

import java.text.ParseException;
import java.text.SimpleDateFormat;

import java.util.Date;

public class Main {
    private static final SimpleDateFormat DATE_FORMATTER = new SimpleDateFormat("yyyyMMdd");

    public static boolean isValidGameDate(String gameDate) {
        try {
            parseDate(gameDate);
        } catch (ParseException e) {
            //System.err.println("Invalid game date: " + gameDate);
            return false;
        }
        return true;
    }

    private static Date parseDate(String gameDate) throws ParseException {
        if (gameDate == null) {
            throw new ParseException("gameDate cannot be null.", 0);
        }
        if (gameDate.length() != 8) {
            throw new ParseException(gameDate + " must be of length 8, not " + gameDate.length(),
                    gameDate.length() < 8 ? gameDate.length() : gameDate.length() - 8);
        }

        return DATE_FORMATTER.parse(gameDate);
    }
}

Related

1. isValidDateFormat(String strDate, String dataFormat)
2. isValidDateInternal(String date, String dateFormat)
3. isValidDatePattern(String pattern)
4. isValidDatePatterns(String dateStr, String patterns)
5. isValidDateStr(String date, String format)
6. isValidLongDateFormat(String strDate)
7. isValidObjectModelDate(String aDate)
8. isValidPattern(String dateString, String pattern)