Here you can find the source of isValidTime(int hour, int minute, boolean ampm)
| Parameter | Description |
|---|---|
| hour | The Hour value. ( 0 - 23 or 1 - 12 ) |
| minute | The Minute value. ( 0 - 59 ) |
| ampm | If true, the time is in 12 hour format. Otherwise, it is in 24 hour format. |
public static boolean isValidTime(int hour, int minute, boolean ampm)
//package com.java2s; /**//from w ww .j a v a 2 s . co m * Copyright 2012 NCS Pte. Ltd. All Rights Reserved * * This software is confidential and proprietary to NCS Pte. Ltd. You shall * use this software only in accordance with the terms of the license * agreement you entered into with NCS. No aspect or part or all of this * software may be reproduced, modified or disclosed without full and * direct written authorisation from NCS. * * NCS SUPPLIES THIS SOFTWARE ON AN "AS IS" BASIS. NCS MAKES NO * REPRESENTATIONS OR WARRANTIES, EITHER EXPRESSLY OR IMPLIEDLY, ABOUT THE * SUITABILITY OR NON-INFRINGEMENT OF THE SOFTWARE. NCS SHALL NOT BE LIABLE * FOR ANY LOSSES OR DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, * MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. */ import java.text.SimpleDateFormat; import java.util.Date; public class Main { /** * Tests if the inputs are valid time. When the ampm parameter is true, * the input hour will be tested for 12-hour format ( 1 ?12 ). * When it is false, the input hour will be tested for 24-hour format ( 0 ?23 ). * <p> * @param hour The Hour value. ( 0 - 23 or 1 - 12 ) * @param minute The Minute value. ( 0 - 59 ) * @param ampm If true, the time is in 12 hour format. * Otherwise, it is in 24 hour format. * * @return True if the time inputs can be used to create a valid time instance. */ public static boolean isValidTime(int hour, int minute, boolean ampm) { if (minute < 0 || minute > 59) return false; if (ampm && (hour < 1 || hour > 12)) return false; else if (hour < 0 || hour > 23) return false; else return true; } /** * Tests the input string to ensure that a valid time can be created * according to the time format provided. * <p> * @param time The time string. * @param format Time format to conform to. * @return True if it conforms to the specified time format; False otherwise. */ public static boolean isValidTime(String time, String format) { if (time == null || format == null) return false; try { // Begin modify by chen haun on 2012-01-10 for PVD-208 //Date temp = parse(time, format); parse(time, format); // End modify by chen haun on 2012-01-10 for PVD-208 } catch (java.text.ParseException e) { return false; } return true; } /** * Returns a Date object instance from the input string. * The input date string is parsed to return a date object * based on the format provided. * <p> * Eg., to parse the date string "01/01/2003 9:2 PM", use the * format "dd/MM/yyyy h:m a". The resultant data object will have * the value "Mar 11 2003 09:02", as displayed in 24 hr format. * <p> * @param date The date string. * @param format The date format that the date string conforms to. * @return The date instance created. * @throws java.text.ParseException - if the beginning of the specified string cannot be parsed. */ public static Date parse(String date, String format) throws java.text.ParseException { SimpleDateFormat sdf = new SimpleDateFormat(format); sdf.setLenient(false); // TimeZone tz = TimeZone.getTimeZone( timezone ); // sdf.setTimeZone(tz); return sdf.parse(date); } }