State (Nimbus OAuth 2.0 SDK with OpenID Connect 1.0 extensions v7.5)

java.lang.Object
- com.nimbusds.oauth2.sdk.id.Identifier
- - com.nimbusds.oauth2.sdk.id.State

All Implemented Interfaces:

Serializable, Comparable<Identifier>, net.minidev.json.JSONAware
```
@Immutable
public final class State
extends Identifier
```
Opaque value used to maintain state between a request and a callback. Also serves as a protection against XSRF attacks, among other uses.

See Also:

Serialized Form

Field Summary
- Fields inherited from class com.nimbusds.oauth2.sdk.id.Identifier
  DEFAULT_BYTE_LENGTH, secureRandom

Constructor Summary

Constructors
Constructor	Description
`State()`	Creates a new state with a randomly generated 256-bit (32-byte) value, Base64URL-encoded.
`State(int byteLength)`	Creates a new state with a randomly generated value of the specified byte length, Base64URL-encoded.
`State(String value)`	Creates a new state with the specified value.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object object)`
`static State`	`parse(String s)`	Parses a state from the specified string.

Methods inherited from class com.nimbusds.oauth2.sdk.id.Identifier
compareTo, getValue, hashCode, toJSONString, toString, toStringList

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - State
```
public State(String value)
```
    Creates a new state with the specified value.
    
    Parameters:
    
    value - The state value. Must not be null or empty string.
  - State
```
public State(int byteLength)
```
    Creates a new state with a randomly generated value of the specified byte length, Base64URL-encoded.
    
    Parameters:
    
    byteLength - The byte length of the value to generate. Must be greater than one.
  - State
```
public State()
```
    Creates a new state with a randomly generated 256-bit (32-byte) value, Base64URL-encoded.
- Method Detail
  - equals
```
public boolean equals(Object object)
```
    Overrides:
    
    equals in class Identifier
  - parse
```
public static State parse(String s)
```
    Parses a state from the specified string.
    
    Parameters:
    
    s - The string to parse, null or empty if no state is specified.
    
    Returns:
    
    The state, null if the parsed string was null or empty.