public class DateValidator
extends java.lang.Object
Perform date validations.
This class is a Singleton; you can retrieve the instance via the getInstance() method.
Modifier and Type | Field | Description |
---|---|---|
private static DateValidator |
DATE_VALIDATOR |
Singleton instance of this class.
|
Modifier | Constructor | Description |
---|---|---|
protected |
DateValidator() |
Protected constructor for subclasses to use.
|
Modifier and Type | Method | Description |
---|---|---|
static DateValidator |
getInstance() |
Returns the Singleton instance of this validator.
|
boolean |
isValid(java.lang.String value,
java.lang.String datePattern,
boolean strict) |
Checks if the field is a valid date.
|
boolean |
isValid(java.lang.String value,
java.util.Locale locale) |
Checks if the field is a valid date.
|
private static final DateValidator DATE_VALIDATOR
protected DateValidator()
public static DateValidator getInstance()
public boolean isValid(java.lang.String value, java.lang.String datePattern, boolean strict)
Checks if the field is a valid date. The pattern is used with
java.text.SimpleDateFormat
. If strict is true, then the
length will be checked so '2/12/1999' will not pass validation with
the format 'MM/dd/yyyy' because the month isn't two digits.
The setLenient method is set to false
for all.
value
- The value validation is being performed on.datePattern
- The pattern passed to SimpleDateFormat
.strict
- Whether or not to have an exact match of the datePattern.public boolean isValid(java.lang.String value, java.util.Locale locale)
Checks if the field is a valid date. The Locale
is
used with java.text.DateFormat
. The setLenient method
is set to false
for all.
value
- The value validation is being performed on.locale
- The locale to use for the date format, defaults to the default
system default if null.Copyright (c) 2001-2004 Apache Software Foundation