eu.beesoft.gaia.validation
Class Validator

java.lang.Object
  eu.beesoft.gaia.validation.Validator

Direct Known Subclasses:

NotNullValidator

public abstract class Validator
extends java.lang.Object

Abstract superclass for all validators.

Constructor Summary

Validator()
Default constructor.

Validator(java.lang.String message)
Constructor, sets a message for this validator.

Validator(java.lang.String property, java.lang.String message)
Constructor, invokes Validator(null, property, message).

Validator(java.lang.String role, java.lang.String property, java.lang.String message)
Constructor, creates a validator message from given arguments.

Method Summary

java.lang.String	getMessage() Returns a message from this validator.
void	setMessage(java.lang.String message) Sets a message for this validator.
protected abstract boolean	validate(java.lang.Object value) Validates given value.
void	validate(java.lang.Object value, java.lang.Object container, ValidationResult result) Validates given value and appends an error to given validation result.
void	validate(java.lang.Object value, ValidationResult result) Validates given value and appends an error to given validation result.

Methods inherited from class java.lang.Object

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

Constructor Detail

Validator

public Validator()

Default constructor.

Validator

public Validator(java.lang.String message)

Constructor, sets a message for this validator.

Parameters:

message - - a message for this validator

Validator

public Validator(java.lang.String property,
                 java.lang.String message)

Constructor, invokes Validator(null, property, message).

Parameters:

property - - a (form) property to which is this validator bound

message - - a message for this validator

Validator

public Validator(java.lang.String role,
                 java.lang.String property,
                 java.lang.String message)

Constructor, creates a validator message from given arguments. A new validator message has the form

                role.property message
 

This new message is then set by method setMessage(String).

Parameters:

role - - a (form) role of property to which is this validator bound

property - - a (form) property to which is this validator bound

message - - a message for this validator

Method Detail

getMessage

public java.lang.String getMessage()

Returns a message from this validator.

Returns:

a message

setMessage

public void setMessage(java.lang.String message)

Sets a message for this validator.

Parameters:

message - - a message to set

validate

public void validate(java.lang.Object value,
                     ValidationResult result)

Validates given value and appends an error to given validation result. Invokes validate(Object, Object, ValidationResult) to perform validation.

Parameters:

value - - a value to validate

result - - container for validation errors

validate

public void validate(java.lang.Object value,
                     java.lang.Object container,
                     ValidationResult result)

Validates given value and appends an error to given validation result. Invokes validate(Object) to perform validation.

Parameters:

value - - a value to validate

container - - an owner of the value (its container)

result - - container for validation errors

validate

protected abstract boolean validate(java.lang.Object value)

Validates given value.

Parameters:

value - - a value to validate

Returns:

false if there is some error in validation