opendaylight/northbound/commons/src/main/java/org/opendaylight/controller/northbound/commons/AuthenticationProviderWrapper.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.northbound.commons;
  10
  11 import org.slf4j.Logger;
  12 import org.slf4j.LoggerFactory;
  13 import org.springframework.security.authentication.AuthenticationProvider;
  14 import org.springframework.security.core.Authentication;
  15 import org.springframework.security.core.AuthenticationException;
  16
  17 import org.opendaylight.controller.sal.utils.ServiceHelper;
  18 import org.opendaylight.controller.usermanager.IUserManager;
  19
  20 import org.opendaylight.controller.northbound.commons.exception.InternalServerErrorException;
  21
  22 public class AuthenticationProviderWrapper implements AuthenticationProvider {
  23
  24     private static final Logger logger = LoggerFactory
  25             .getLogger(AuthenticationProviderWrapper.class);
  26
  27     @Override
  28     public Authentication authenticate(Authentication authentication)
  29             throws AuthenticationException {
  30         return ((AuthenticationProvider) getUserManagerRef())
  31                 .authenticate(authentication);
  32     }
  33
  34     @Override
  35     public boolean supports(Class<?> authentication) {
  36         return ((AuthenticationProvider) getUserManagerRef())
  37                 .supports(authentication);
  38     }
  39
  40     private IUserManager getUserManagerRef() {
  41         IUserManager userManager = (IUserManager) ServiceHelper
  42                 .getGlobalInstance(IUserManager.class, this);
  43         if (userManager != null) {
  44             return userManager;
  45         } else {
  46             logger.error("UserManager Ref is null. ");
  47             throw new InternalServerErrorException("UserManager Ref is null. ");
  48         }
  49     }
  50
  51 }