ParamValidatorRegistry (SNAP Engine API)

java.lang.Object
- org.esa.snap.core.param.ParamValidatorRegistry

```
public class ParamValidatorRegistry
extends Object
```
A ParamValidatorRegistry stores the different validators for each of the different parameter types.

Version:

$Revision$ $Date$

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`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)
```