org.gatein.common.util

Class ParameterValidation.ValidationErrorHandler

java.lang.Object

org.gatein.common.util.ParameterValidation.ValidationErrorHandler

Direct Known Subclasses:

ParameterValidation.LoggingValidationErrorHandler

Enclosing class:

ParameterValidation

public abstract static class ParameterValidation.ValidationErrorHandler
extends Object

Implements a behavior to be executed in case a value fails to be validated. Uses the Chain of responsibility pattern so that several orthogonal behaviors can be chained if needed.

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	CONTINUE

Constructor Summary

Constructors

Constructor and Description
ParameterValidation.ValidationErrorHandler(String defaultValue)

Method Summary

Methods

Modifier and Type	Method and Description
String	handleValidationError(String failedValue)
protected abstract String	internalValidationErrorHandling(String failedValue) Decide what to do with the failed value.
ParameterValidation.ValidationErrorHandler	setNext(ParameterValidation.ValidationErrorHandler next)

Methods inherited from class java.lang.Object

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

Field Detail

CONTINUE

protected static final String CONTINUE

See Also:

Constant Field Values

Constructor Detail

ParameterValidation.ValidationErrorHandler

public ParameterValidation.ValidationErrorHandler(String defaultValue)

Method Detail

setNext

public ParameterValidation.ValidationErrorHandler setNext(ParameterValidation.ValidationErrorHandler next)

handleValidationError

public String handleValidationError(String failedValue)

internalValidationErrorHandling

protected abstract String internalValidationErrorHandling(String failedValue)

Decide what to do with the failed value.

Parameters:

failedValue - the value that failed passing validation

Returns:

a new value to be used by the client code or CONTINUE if this ValidationErrorHandler allows downstream handlers to further process the value.