com.sas.util.validators
Class DateStringValidator

com.sas.util.validators.DateStringValidator

All Implemented Interfaces:

ValidationInterface, java.io.Serializable

public class DateStringValidator

A Validator that validates a String value according to a DateFormat

See Also:

Serialized Form

Field Summary

protected java.text.DateFormat	format The format used to parse strings as date values.
protected static int	INVALID_FORMAT Index in messages collection where the invlalidFormat message is.
static java.lang.String	invalidFormat message key indicating validateValue failed because the string value could not be parsed according to the DateFormat.
protected static int	ONLY_STRING Index in messages collection where the onlyString message is.
static java.lang.String	onlyString message key indicating validateValue failed because the value passsed was not a String.
static java.lang.String	RB_KEY

Fields inherited from class com.sas.util.validators.Validator

message, messages, msgObject

Constructor Summary

DateStringValidator()
Deprecated. this constructor is deprecated; you should construct the DateStringValidator with a DateFormat, or call setFormat(DateFormat)

DateStringValidator(java.text.DateFormat format)
Construct a DateStringValidator which validates String values by prsing them with a DateFormat.

DateStringValidator(java.lang.String formatString)
Construct a DateStringValidator which validates String values by parsing them with a java.text.SimpleDateFormat constructed from the formatString.

Method Summary

void	createValidationMessages() Stores in the messages collection the set of possible messages generated by validateValue
java.text.DateFormat	getFormat() Return the DateFormat used to parse string values as Dates.
void	setFormat(java.text.DateFormat newFormat) Set the DateFormat format used to parse strings values as dates.
boolean	validateValue(java.lang.Object component, java.lang.Object value) Validate a value

Methods inherited from class com.sas.util.validators.Validator

getExtendedBeanInfo, getValidationMessage, getValidationMessageCode, newValidationMessage, normalizeValue, setValidationMessage, setValidationMessageCode

Field Detail

RB_KEY

public static final java.lang.String RB_KEY

See Also:

Constant Field Values

INVALID_FORMAT

protected static int INVALID_FORMAT

Index in messages collection where the invlalidFormat message is.

ONLY_STRING

protected static int ONLY_STRING

Index in messages collection where the onlyString message is.

invalidFormat

public static final java.lang.String invalidFormat

message key indicating validateValue failed because the string value could not be parsed according to the DateFormat.

See Also:

Constant Field Values

onlyString

public static final java.lang.String onlyString

message key indicating validateValue failed because the value passsed was not a String.

See Also:

Constant Field Values

format

protected java.text.DateFormat format

The format used to parse strings as date values. This may be null; if null, then the deprecated java.util.Date(String) constructor is used to parse.

Constructor Detail

DateStringValidator

public DateStringValidator()

Deprecated. this constructor is deprecated; you should construct the DateStringValidator with a DateFormat, or call setFormat(DateFormat)

Construct a default DateStringValidator which will validate a String according to the java.util.Date(String) constructor which allows date strings in various form:

• "14 Feb 96 17:04:15"
• "5 May 1992"
• "Tue, 24 Jul 1990"

See Also:

DateStringValidator(java.text.DateFormat), DateStringValidator(java.lang.String)

DateStringValidator

public DateStringValidator(java.lang.String formatString)

Construct a DateStringValidator which validates String values by parsing them with a java.text.SimpleDateFormat constructed from the formatString.

Parameters:

formatString - a String used to construct a java.text.SimpleDateFormat which is used to parse a date strings.

DateStringValidator

public DateStringValidator(java.text.DateFormat format)

Construct a DateStringValidator which validates String values by prsing them with a DateFormat. The validateValue() method will call format.parse(String).

Parameters:

format - a DateFormat object to use to parse a date strings.

Method Detail

setFormat

public void setFormat(java.text.DateFormat newFormat)

Set the DateFormat format used to parse strings values as dates.

Parameters:

newFormat - the new value for the format property. If null, use the Date(String) constructor.

getFormat

public java.text.DateFormat getFormat()

Return the DateFormat used to parse string values as Dates.

Returns:

the value of the format property. If null, If null, the validator uses the Date(String) constructor.

validateValue

public boolean validateValue(java.lang.Object component,
                             java.lang.Object value)

Validate a value

Specified by:

validateValue in interface ValidationInterface

Overrides:

validateValue in class Validator

Parameters:

component - the component containing the value

value - the value to be validated

Returns:

true if the value us valid, false if not.

See Also:

ValidationInterface.validateValue(java.lang.Object, java.lang.Object)

createValidationMessages

public void createValidationMessages()

Stores in the messages collection the set of possible messages generated by validateValue

Overrides:

createValidationMessages in class Validator

See Also:

Validator.newValidationMessage(java.lang.String)