velosurf.validation
Class FieldConstraint

java.lang.Object
  velosurf.validation.FieldConstraint

Direct Known Subclasses:

DateRange, Email, Length, NotEmpty, NotNull, OneOf, Range, Reference, Regex

public abstract class FieldConstraint
extends java.lang.Object

This class encapsulates a constraint on a column of an entity, used to validate data before an update or an insert.

Author:

Claude Brisson

Field Summary

protected java.lang.String

_message

Constructor Summary

FieldConstraint()

Method Summary

java.lang.String	getMessage() used to get the error message if an error occured
void	setMessage(java.lang.String msg)
boolean	validate(java.lang.Object data)
boolean	validate(java.lang.Object data, java.util.Locale locale) used to validate data against this constraint

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_message

protected java.lang.String _message

Constructor Detail

FieldConstraint

public FieldConstraint()

Method Detail

validate

public boolean validate(java.lang.Object data,
                        java.util.Locale locale)
                 throws java.sql.SQLException

used to validate data against this constraint

Parameters:

data - to be validated

locale -

Returns:

true if the data respects the constraint, false if not

Throws:

java.sql.SQLException

validate

public boolean validate(java.lang.Object data)
                 throws java.sql.SQLException

Throws:

java.sql.SQLException

setMessage

public void setMessage(java.lang.String msg)

getMessage

public java.lang.String getMessage()

used to get the error message if an error occured

Returns:

the error message