SubTypeValidator (Jackson JSON Processor)

java.lang.Object
- org.codehaus.jackson.map.jsontype.impl.SubTypeValidator

```
public class SubTypeValidator
extends Object
```
Helper class used to encapsulate rules that determine subtypes that are invalid to use, even with default typing, mostly due to security concerns. Used by BeanDeserializerFactory

Since:

1.9.14

Field Summary

Fields
Modifier and Type	Field	Description
`protected Set<String>`	`_cfgIllegalClassNames`	Set of class names of types that are never to be deserialized.
`protected static Set<String>`	`DEFAULT_NO_DESER_CLASS_NAMES`	Set of well-known "nasty classes", deserialization of which is considered dangerous and should (and is) prevented by default.
`protected static String`	`PREFIX_STRING`

Constructor Summary

Constructors
Modifier Constructor Description

protected SubTypeValidator()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type Method Description

static SubTypeValidator instance()

void validateSubType(JavaType type)
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PREFIX_STRING
```
protected static final String PREFIX_STRING
```
    See Also:
    
    Constant Field Values
  - DEFAULT_NO_DESER_CLASS_NAMES
```
protected static final Set<String> DEFAULT_NO_DESER_CLASS_NAMES
```
    Set of well-known "nasty classes", deserialization of which is considered dangerous and should (and is) prevented by default.
  - _cfgIllegalClassNames
```
protected Set<String> _cfgIllegalClassNames
```
    Set of class names of types that are never to be deserialized.
- Constructor Detail
  - SubTypeValidator
```
protected SubTypeValidator()
```
- Method Detail
  - instance
```
public static SubTypeValidator instance()
```
  - validateSubType
```
public void validateSubType(JavaType type)
                     throws JsonMappingException
```
    Throws:
    
    JsonMappingException