org.naturalcli
Class ParameterValidator

java.lang.Object
  org.naturalcli.ParameterValidator

public class ParameterValidator
extends java.lang.Object

This class checks parameters values against their types.

Author:

Ferran Busquets

See Also:

IParameterType

Constructor Summary

ParameterValidator()
Creates a new instance of ParameterValidator with default parameter types

ParameterValidator(java.util.Collection<IParameterType> parameterTypes)
Creates a new instance of ParameterValidator

Method Summary

IParameterType	getParameterType(java.lang.String type) Gets the parameter type for the given type name
java.lang.String	validate(java.lang.String value, java.lang.String type) Validate a parameter value for a type

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterValidator

public ParameterValidator()

Creates a new instance of ParameterValidator with default parameter types

ParameterValidator

public ParameterValidator(java.util.Collection<IParameterType> parameterTypes)

Creates a new instance of ParameterValidator

Parameters:

parameterTypes - the parameter types collection

Method Detail

validate

public java.lang.String validate(java.lang.String value,
                                 java.lang.String type)
                          throws UnknownParameterType

Validate a parameter value for a type

Parameters:

value - the parameter value

type - the parameter type name

Returns:

null if validated, otherwise a error message

Throws:

UnknownParameterType - raised if the parameter is not found

getParameterType

public IParameterType getParameterType(java.lang.String type)

Gets the parameter type for the given type name

Parameters:

type - the type name

Returns:

the paramter type object