/hudson-core/src/main/java/hudson/security/AuthenticationManagerProxy.java

http://github.com/hudson/hudson · Java · 56 lines · 18 code · 5 blank · 33 comment · 1 complexity · 6a08ee9f86199b5eb440d52553fefef5 MD5 · raw file

  1. /*
  2. * The MIT License
  3. *
  4. * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
  5. *
  6. * Permission is hereby granted, free of charge, to any person obtaining a copy
  7. * of this software and associated documentation files (the "Software"), to deal
  8. * in the Software without restriction, including without limitation the rights
  9. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10. * copies of the Software, and to permit persons to whom the Software is
  11. * furnished to do so, subject to the following conditions:
  12. *
  13. * The above copyright notice and this permission notice shall be included in
  14. * all copies or substantial portions of the Software.
  15. *
  16. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22. * THE SOFTWARE.
  23. */
  24. package hudson.security;
  25. import org.acegisecurity.AuthenticationManager;
  26. import org.acegisecurity.Authentication;
  27. import org.acegisecurity.AuthenticationException;
  28. import org.acegisecurity.DisabledException;
  29. /**
  30. * {@link AuthenticationManager} proxy that delegates to another instance.
  31. *
  32. * <p>
  33. * This is used so that we can set up servlet filters first (which requires a reference
  34. * to {@link AuthenticationManager}), then later change the actual authentication manager
  35. * (and its set up) at runtime.
  36. *
  37. * @author Kohsuke Kawaguchi
  38. */
  39. public class AuthenticationManagerProxy implements AuthenticationManager {
  40. private volatile AuthenticationManager delegate;
  41. public Authentication authenticate(Authentication authentication) throws AuthenticationException {
  42. AuthenticationManager m = delegate; // fix the reference we are working with
  43. if(m ==null)
  44. throw new DisabledException("Authentication service is still not ready yet");
  45. else
  46. return m.authenticate(authentication);
  47. }
  48. public void setDelegate(AuthenticationManager manager) {
  49. this.delegate = manager;
  50. }
  51. }