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1. Apache Date Validator Pattern Question

I am using org.apache.commons.validator.routines.DateValidator to validate a date with a simple date pattern "dd/mm/yyyy" Unfortunate part is that if I pass a date in format "2/2/1992" then it declares it as an ...

2. How to validate if a signed jar contains a timestamp?

After a jar is signed and the -tsa option was used, how can I validate that the time stamp was included? I tried:

jarsigner -verify -verbose -certs myApp.jar
But the output does not ...

3. How to validate Date object in Java

Can any one tell me solution for the following: I have a Util.Date object in java.I want to validate the date entered. I am parsing the date object using the required format. For ...

4. How to check validity of Date String?

In my project I need to check if a date string evaluates to a proper Date object. I've decided to allow yyyy-MM-dd, and Date formats [(year, month, date) and (year, month, ...

5. JSR 303 - javax.validation - Validate a date

I have a Java EE application and I want to validate a Date. With a String I do this:

import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
@Size(min = 1, max = 255)
private String myString;
But now I have two ...

6. Date validation is not working

Date validation is not working properly. If day = 90, month = 1 and year = 1990 The validation does not work. It switches the date to march, with no validation. How can I ...

7. Java Date validation

I have to display a page only if the following condition is satisfied i.e

if(system_date >=start_date){
  //Do some thing
Say for example start_date = 08-03-2011 and end_date = 10-03-2011. I am ...

8. Is there a way using javax.validation to validate that a date is larger / less than or between specific dates?

I know of @Future and @Past but they compare to the local VM system date. What am I missing?

9. Java Date validation

i need to validate user input as valid date. User can enter dd/mm/yyyy or mm/yyyy (both are valid) to validate this i was doing

    GregorianCalendar cal = new ...

10. Java: Gregorian Calendar date validation issue

I’m trying to validate a date input by a user using the Gregorian Calendar in java (this is a must), however whenever I test a date in December it throws up ...

11. Cannot read and validate proper dates from standard input

I am stuck on this code . The problem says

Write a program that reads a string from the keyboard and tests whether it contains a valid date. Display the date ...

12. validating a date (with leap year)

P: 1 ejrtree15 i am new to java and programming all together. any help would be appreciated. i need to get it to input the date as so: mm/dd/yyyy and then ...

13. reg date validation

14. Date Validation

15. how to validate a string like "20060503" is DATE

Originally posted by Jeff Albertson: I hope you realize that asking if the string is a valid date is very different from asking whether it consists of only numbers!!! For the date question, definitely use a SimpleDateFormat -- rolling your own would be silly. (Leap years, the start of the Gregorian calendar...) Out of curiousity, how hard is it ...

16. reg date validation

17. Date Validation

Hi, have any of you done any effecient date validation in their program? Like check if the input is just a space(easy, just use trim()) or if the user input an invalid date...? I need the date in the form YYYY-mm-dd I don't want to get 0000-00-00 values, null would be better... Thanks!

18. regarding date validation

19. Date Validation

I am trying to validate a date like such.. yyyy-mm-dd. I am using this following. The date will turn out to a funny number 1043-22-02 instead of a normal year, month, date. Any suggestions public final class DateValidation { protected static boolean isDate(String string) { if (string == null) return false; if (string.indexOf("/") > -1) { try { SimpleDateFormat sdf = ...

20. Date Validation problem

21. validation specifications for sorting date,integer,string...

Input File: 88 89.5 sss.html 99.5 11/13/2005 sss.html 02/22/2005 sss.html 02/23/2005 89 . . . // n inputs Output File: 1.Sorted List for 88 89 2.Sorted Decimal List for 89.5 3.Sorted Date list for 13-Nov-2005 23-feb-2005 1.Sorted List for sss.html: 88 89 2.Sorted Decimal List for sss.html 99.5 3.Sorted Date list for sss.html 22-feb-2005 ...

22. Date validation?

I need to valid a date entered by a user on a form. Its a free flowing text field so it can be any number of formats. So I cannot easly pick out the year, month, & day fields. So I can not set a Calander object. I have the part that tests if the format is valid. But then I ...

23. Validating Dates

24. date validation

If I have 3 select boxes in a jsp each for month, day and year that allow the user to select a date, how can I verify that they do not select Feb 30 2003? I guess this basically comes to the question, how do I verify that a date is valid? I'm not worried about filtering the options in the ...

25. Date validation

Hi all. I am trying to get the time format in hh:mm format. Below is the code that i used for that. String strFormat = "HH:MM"; DateFormat myDateFormat = new SimpleDateFormat(strFormat); Date myTime = null; try { String ReportTime = "12:00"; myTime = myDateFormat.parse(ReportTime); }catch (ParseException e) { System.out.println("Invalid Date Parser Exception "); e.printStackTrace(); } System.out.println("Finished Date Function " + myTime.getTime()); ...

26. java(DATE)Validation

27. util date validation

Hi All, I have a current scenario where in an external application invokes my application code. I am in the process of writing an input validation utility. One of the input parameter is a java.util.Date object. My question here is if the client will be invoking my application with a Date input parameter then I can be rest assured that the ...

28. Date validation

29. Date validation in JAVA

30. Date Validation !!!

Hi, I am using parse function for date validation to parse the valid format of the date "mm-dd-yyyy". Now if I give the input date is "04-31-2008", which is a valid format but invalid date for the April month as we don't have 31st in April, parse function throws an exception but I want to catch this exception before It parses ...

31. date validation in java

I have two date pickers. I need to implement a validation that my "from date" is equal to or greater than the current date(or today's date). Am using Springs. I have taken care of all the other validations in the validator class. Just need to implement this one. I have used SimpleDateFormat for validating that my from date should be less ...

32. How to validate a date greater than current date

You can use the Date.compareTo method. It takes an argument Date, and returns the value 0 if the argument Date is equal to this Date; a value less than 0 if this Date is before the Date argument; and a value greater than 0 if this Date is after the Date argument. It's in the Java docs also.

33. Date validation

Hi everyone, Ok so I have a basic Java question, I wasn't sure if I should be placing this in the beginning Java section or this one, so I tried to make my best judgement. I am currently facing a problem (a sub problem of a much larger assignment for school) where I need to validate a date. In particular, the ...

34. how to validate the patttern of date format ?

hello i want to validate if the pattern of date format string is valid? such as "yyyy-MM-dd" is valid, but "oooo-oo-uu" is not valid, i know that i can valid it by constructor of SimpleDateFormat, something like: new SimpleDateFormat(); if it is invalid, the exception will throw. but i think it looks not a good practise, i wonder ...

35. Date validation

Hi can someone helpe me , is there any good way of validating an input date string. Even after setting lenient as false in SimpleDateFormat , for the patter mm/dd/yyyy its validating this date fine : 10/02/23a0 or 10/2/23445 I have seen apache common's date validator , but in version 1.4 or less it doenst not have validdate method with leneincy ...

36. Suggestions for date validation

Guys, I know that this must have been implemented a million times, but I'm here looking for ideas: I need to validate the date for a specific format. I have both the inputs (date format and the actual date) as String objects. I can use a variety of API's to do this (Calendar, SimpleDateFormat, DateUtils etc., ) but I would like ...

37. SDF validating date input

//ask for date code Scanner sd = new Scanner(; sd.useDelimiter("/"); System.out.println("Please enter the date in MM/DD/YYYY format:"); String input = sd.nextLine(); SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy"); sdf.setLenient(false); int month = 0; int day = 0; int year = 0; String fullDate = ""; try { sdf.parse(input); sd = new Scanner(input); sd.useDelimiter("/"); month = sd.nextInt(); day = sd.nextInt(); year = sd.nextInt(); fullDate ...

38. date validation

the purpose of this code is to check and see if the date is valid. this is only the first part. i am stuck, because if i enter an invalid date, it only goes through twice, then ends (and doesn't output anything...). if i enter a valid one, it works perfectly fine! any ideas as to what is wrong with my ...

39. Taking user input as a date and validation!

Hello there! I'm having a bit of a problem with my Java code. Basically for this part what I'm wanting to do is take in a user input, make this into a date, ensure it's a VALID date, and work out the number of days this is from a "starting date". Here's what I've got so far... Java Code: public static ...

40. Date Format Validation..

41. How to do a date validation with leap years

There are a few other problems, but most of them are probably things you haven't learned yet, and they are not show stoppers so we will let them fly. You already have a lot of work to do to make this better. But I do have one more really really big usefull hint for you: Never, ever, under any circumstances, should ...

42. date validation

it is working fine . But i have one problem here if we given a wrong method it is returning false and for wrong date also it is returning false But my requirement is if we given wrong month it should be tell that we are given wrong month and for date also it should be tell like this please reply ...

43. Date validation- need help

44. Date Validation

45. How to validate a given date like April 9

46. Date validation problem

As I said. It's impossible to use one formatter for that. It's even impossible to solve unless the user specifies what format he has entered. How will you be able to determine if a date is in format: DD-MM-YYYY HH24:MI:SS or MM-DD-YYYY HH24:MI:SS if you get the date 01-02-2008 Is it 1st of Feb or 2nd of Jan?

47. Validating date and time...I'm almost there

Thanks for taking the time to reply guys. I tried the setLenient(false) and it almost works. It has sorted out the problem with the time, however it only catches days in the date and not months. For example this date 33-11-2000 will be caught, but this date 26-15-2000 won't. Thanks in advance GB

48. Date Fprmat Validation.. (yyyy-MM-dd-hh-mm-ss)

Hi All, In a application i am trying to validate a dateTime string in this particular format. yyyy-MM-dd-hh-mm-ss The code which i am using for this validation is public boolean validateDate(String date) { DateFormat date_formatter = new SimpleDateFormat( "yyyy-MM-dd-hh-mm-ss"); date_formatter.setLenient(false); ParsePosition position = new ParsePosition(0); if (null == date_formatter.parse(date, position)) return false; else return true; } If the input is 2007-12-12-12-12-12|1211 ...

49. date validations

50. Validate date using RE

Hey guys, Need to validate date using RE in format MM/DD/YYYY and optional HH:MM:SS I already have simple solution, but would like to add checks for leap year and dates like 02/30/2006 or 04/31/2006 So far I have this: private static final String datePattern = "^(0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])[- /.](19|20)\\d d" + "( s(([0-1]?[0-9]|2[0-3]):([0-5]?[0-9]):([0-5]?[0-9]))){0,1}$";

51. validating a date

Hi all, i am trying to validate a date having "yyyy-MM-ddd" format. I am using SimpleDateFormat class to do this. my code is validating the date when it is like "07-07-07" to invalid date but when i am trying to mention date like "2007123-07-07" it is accepting the date. Can any body help me out in this issue. Thanks

52. how to validate date formate YYYY-MM-DDThh:mm:ss ?

private int m_dd, m_mm, m_yyyy, m_hh, m_min, m_ss, m_mil; private static long MillisInSecond = 1000; private static long MillisInMinute = MillisInSecond * 60; private static long MillisInHour = MillisInMinute * 60; private static long MillisInDay = MillisInHour * 24; /** * JDK_BST_FIX * Static initialisation block - check JDK vendor/version in order to determine whether * an adjustment to correctly report ...

53. Validating Date of Birth

54. date validation

55. Validate Date problem

56. strictly validating the date

57. Date validation

58. Date validation in dd/mm/yyyy format

hi, I am using SimpleDateFormat to validate date but it not working properly It is not validating against date range and leap year. String stringDate = "40/02/1999"; try { SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy"); ParsePosition pos = new ParsePosition(0); Date date = formatter.parse(stringDate, pos); System.out.println("correct"); } catch (Exception e) { e.printStackTrace(); }

59. validate the date

60. date validation

static boolean callDate(String chkDate) { boolean valid = true; SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy"); // not lenient, otherwise 02/29/2003 becomes 03/01/2003! dateFormat.setLenient(false); String strDate = chkDate; // see if it's a valid date; if so then show it try { Date inputDate = dateFormat.parse(strDate); System.out.println("Valid Date " + dateFormat.format(inputDate)); return valid; } catch (ParseException pe) { System.out.println("Invalid date."); } return !valid; ...

61. date validation

62. Query on Date validation.

I want to validate the date entered by user. It could be in any format like 15/01/06 or 15-Jan-06 or 01-15-2006 or any other valid format. How can this be validated? I read the parse function only validates a date for a particular format. But for my case user can enter the date in any format.

63. validate date

i have a string now such as string x="10171988" how can i validate the string i want to make sure it is int and no longer than 8 and should be MMDDYYYY the problem is i using servlet to get the post. a html form set back the data value[ ] the string will store in this mean string value[0]="10171988" how ...