de.jstacs.parameters.validation
Interface ParameterValidator

All Superinterfaces:

Cloneable, Storable

All Known Implementing Classes:

ConstraintValidator, NumberValidator, StorableValidator

public interface ParameterValidator
extends Storable, Cloneable

Interface for a parameter validator, i.e. a class that can validate some possible parameter values.

Author:

Jan Grau

Method Summary

boolean	checkValue(Object value) Returns true if the value is valid and false otherwise.
ParameterValidator	clone() This method returns a deep copy of the current instance.
String	getErrorMessage() Returns the error message if checkValue(Object) returned false.

Methods inherited from interface de.jstacs.Storable

toXML

Method Detail

checkValue

boolean checkValue(Object value)

Returns true if the value is valid and false otherwise.

Parameters:

value - the Object to be checked

Returns:

if value is valid

getErrorMessage

String getErrorMessage()

Returns the error message if checkValue(Object) returned false.

Returns:

the error message

clone

ParameterValidator clone()
                         throws CloneNotSupportedException

This method returns a deep copy of the current instance.

Returns:

a deep copy of the current index

Throws:

CloneNotSupportedException - if the ParameterValidator could not be cloned

See Also:

Cloneable