TokenHandler (OpenDJ Public API Javadoc 7.4.3-20241015115352-209ff3c0000cb208c40a9a5f707924f0af03b332 Documentation)

```
public interface TokenHandler
```
Responsible for the validation, generation and parsing of tokens used for keying a JsonValue representative of some state. Implementers must catch implementation-specific exceptions and re-throw as TokenHandlerException.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`generate(JsonValue state)`	Generates a new token using the state.
`void`	`validate(String token)`	Validates the passed token.
`JsonValue`	`validateAndExtractState(String token)`	Validates and parses the token, extracting any encapsulated state.

- Method Detail
  - generate
```
String generate(JsonValue state)
         throws TokenHandlerException
```
    Generates a new token using the state.
    
    Parameters:
    
    state - the state
    
    Returns:
    
    token
    
    Throws:
    
    TokenHandlerException - on failure to generate token
  - validate
```
void validate(String token)
       throws TokenHandlerException
```
    Validates the passed token.
    
    Parameters:
    
    token - the token to be validated
    
    Throws:
    
    InvalidTokenException - on invalid token
    
    ExpiredTokenException - on expired token
    
    TokenHandlerException - on other failure to validate token
  - validateAndExtractState
```
JsonValue validateAndExtractState(String token)
                           throws TokenHandlerException
```
    Validates and parses the token, extracting any encapsulated state.
    
    Parameters:
    
    token - the token to be validated and parsed
    
    Returns:
    
    the state
    
    Throws:
    
    InvalidTokenException - on invalid token
    
    ExpiredTokenException - on expired token
    
    TokenHandlerException - on other failure to validate or extract token