Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: CDDL license 

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {
    public static boolean validateDate(String date) {
        SimpleDateFormat yearDf = new SimpleDateFormat("yyyy");
        yearDf.setLenient(false);
        SimpleDateFormat yearMonthDf = new SimpleDateFormat("yyyy-MM");
        yearMonthDf.setLenient(false);
        SimpleDateFormat yearMonthDayDf = new SimpleDateFormat("yyyy-MM-dd");
        yearMonthDayDf.setLenient(false);

        try {
            if (date != null && date.trim().length() == 4) {
                Date result = yearDf.parse(date);
                return true;
            }

            else if (date.trim().length() == 7) {
                Date result = yearMonthDf.parse(date);
                return true;
            }

            else if (date.trim().length() == 10) {
                Date result = yearMonthDayDf.parse(date);
                return true;
            } else {
                return false;
            }

        } catch (ParseException e) {
            return false;
        }

    }
}