org.esa.beam.framework.param
Class ParamValidatorRegistry

java.lang.Object
  org.esa.beam.framework.param.ParamValidatorRegistry

public class ParamValidatorRegistry
extends Object

A ParamValidatorRegistry stores the different validators for each of the different parameter types.

Version:

$Revision$ $Date$

Author:

Norman Fomferra

Method Summary

static boolean	deregisterValidator(Class valueType)
static ParamValidator	getDefaultValidator() Returns the default validator, which is guaranteed to be different from null.
static ParamValidator	getValidator(Class valueType) Returns a validator for the given value type, which is guaranteed to be different from null.
static void	registerValidator(Class valueType, ParamValidator validator)

Methods inherited from class java.lang.Object

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

Method Detail

getDefaultValidator

public static ParamValidator getDefaultValidator()

Returns the default validator, which is guaranteed to be different from null. The method first look for a validator registred for the String class, if it is not found then a new instance of StringValidator is returned.

See Also:

getValidator(Class)

getValidator

public static ParamValidator getValidator(Class valueType)

Returns a validator for the given value type, which is guaranteed to be different from null.

If given value type is null, the method returns the value of getDefaultValidator().

See Also:

getDefaultValidator()

registerValidator

public static void registerValidator(Class valueType,
                                     ParamValidator validator)

deregisterValidator

public static boolean deregisterValidator(Class valueType)