org.apache.hadoop.security.authentication.server

Class AuthenticationHandlerUtil

java.lang.Object

org.apache.hadoop.security.authentication.server.AuthenticationHandlerUtil

public final class AuthenticationHandlerUtil
extends Object

This is a utility class designed to provide functionality related to AuthenticationHandler.

Method Summary

Methods

Modifier and Type	Method and Description
static String	checkAuthScheme(String scheme) This method checks if the specified HTTP authentication scheme value is valid.
static String	getAuthenticationHandlerClassName(String authHandler) This method provides an instance of AuthenticationHandler based on specified authHandlerName.
static boolean	matchAuthScheme(String scheme, String auth) This method checks if the specified authToken belongs to the specified HTTP authentication scheme.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getAuthenticationHandlerClassName

public static String getAuthenticationHandlerClassName(String authHandler)

This method provides an instance of AuthenticationHandler based on specified authHandlerName.

Parameters:

authHandler - The short-name (or fully qualified class name) of the authentication handler.

Returns:

an instance of AuthenticationHandler implementation.

checkAuthScheme

public static String checkAuthScheme(String scheme)

This method checks if the specified HTTP authentication scheme value is valid.

Parameters:

scheme - HTTP authentication scheme to be checked

Returns:

Canonical representation of HTTP authentication scheme

Throws:

IllegalArgumentException - In case the specified value is not a valid HTTP authentication scheme.

matchAuthScheme

public static boolean matchAuthScheme(String scheme,
                      String auth)

This method checks if the specified authToken belongs to the specified HTTP authentication scheme.

Parameters:

scheme - HTTP authentication scheme to be checked

auth - Authentication header value which is to be compared with the authentication scheme.

Returns:

true If the authentication header value corresponds to the specified authentication scheme false Otherwise.