SimpleAuthenticationProvider (Alluxio Core - Common Utilities 294 API)

java.lang.Object
- alluxio.security.authentication.plain.SimpleAuthenticationProvider

All Implemented Interfaces:

AuthenticationProvider
```
@ThreadSafe
public final class SimpleAuthenticationProvider
extends java.lang.Object
implements AuthenticationProvider
```
An authentication provider implementation that allows arbitrary combination of username and password including empty strings.

Nested Class Summary
- Nested classes/interfaces inherited from interface alluxio.security.authentication.AuthenticationProvider
  AuthenticationProvider.Factory

Constructor Summary

Constructors
Constructor Description

SimpleAuthenticationProvider()
Constructs a new SimpleAuthenticationProvider.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`authenticate(java.lang.String user, java.lang.String password)`	The authenticate method is called by the `PlainSaslServerCallbackHandler` in the `PlainSaslServer` layer to authenticate users for their requests.

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

- Constructor Detail
  - SimpleAuthenticationProvider
```
public SimpleAuthenticationProvider()
```
    Constructs a new SimpleAuthenticationProvider.
- Method Detail
  - authenticate
```
public void authenticate(java.lang.String user,
                         java.lang.String password)
                  throws javax.security.sasl.AuthenticationException
```
    Description copied from interface: AuthenticationProvider
    
    The authenticate method is called by the PlainSaslServerCallbackHandler in the PlainSaslServer layer to authenticate users for their requests. If a user is to be granted, return nothing/throw nothing. When a user is to be disallowed, throw an appropriate AuthenticationException.
    
    Specified by:
    
    authenticate in interface AuthenticationProvider
    
    Parameters:
    
    user - The username received over the connection request
    
    password - The password received over the connection request
    
    Throws:
    
    javax.security.sasl.AuthenticationException - when a user is found to be invalid by the implementation