org.jwarp.service.param
Interface IValidator

All Superinterfaces:

IConfigurable

All Known Implementing Classes:

AValidator

public interface IValidator

extends IConfigurable

Interface for a parameter validator: allows customized parameter validation. Typically validators are used for complex parameter value validation (such as testing if an id exists in a database) within the process of the validation of set of parameters.

Version:

1.0

Author:

Anatole Tresch, Martin Schaefer

Method Summary

IValidator	getNextValidator() Get the next validator.
void	setNextValidator(IValidator validator) Set an additional validator as next validator to call when calling this validator.
void	validate(java.lang.Object contents) Customized parameter validations

Methods inherited from interface org.jwarp.service.configuration.IConfigurable

configure

Method Detail

validate

public void validate(java.lang.Object contents)
              throws ParameterException

Customized parameter validations

Parameters:

contents - The content of the parameter to be validated

The - parameters value

Returns:

false if validation fails

Throws:

ParameterException - if validation fails. This exception contains also the reason why the validation failed.

setNextValidator

public void setNextValidator(IValidator validator)

Set an additional validator as next validator to call when calling this validator.

Parameters:

validator - The validator

getNextValidator

public IValidator getNextValidator()

Get the next validator.

Returns:

The next validator