opendaylight/web/root/src/main/java/org/opendaylight/controller/web/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
  10 package org.opendaylight.controller.web;
  11
  12 import org.slf4j.Logger;
  13 import org.slf4j.LoggerFactory;
  14 import org.springframework.security.authentication.AuthenticationProvider;
  15 import org.springframework.security.core.Authentication;
  16 import org.springframework.security.core.AuthenticationException;
  17
  18 import org.opendaylight.controller.sal.utils.ServiceHelper;
  19 import org.opendaylight.controller.usermanager.IUserManager;
  20
  21
  22 public class AuthenticationProviderWrapper implements
  23         AuthenticationProvider {
  24
  25     private static final Logger logger = LoggerFactory
  26             .getLogger(AuthenticationProviderWrapper.class);
  27
  28     @Override
  29     public Authentication authenticate(Authentication authentication)
  30             throws AuthenticationException {
  31         return ((AuthenticationProvider) getUserManagerRef())
  32                 .authenticate(authentication);
  33     }
  34
  35     @Override
  36     public boolean supports(Class<?> authentication) {
  37         return ((AuthenticationProvider) getUserManagerRef())
  38                 .supports(authentication);
  39     }
  40
  41     private IUserManager getUserManagerRef() {
  42         IUserManager userManager = (IUserManager) ServiceHelper
  43                 .getGlobalInstance(IUserManager.class, this);
  44         if (userManager != null) {
  45             return userManager;
  46         } else {
  47             logger.error("UserManager Ref is null. ");
  48             throw new RuntimeException("UserManager Ref is null. ");
  49         }
  50     }
  51
  52 }