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/jboss-as-7.1.1.Final/jpa/core/src/main/java/org/jboss/as/jpa/persistenceprovider/SecurityActions.java

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Java | 69 lines | 30 code | 7 blank | 32 comment | 6 complexity | 250b3988f2b8d00f704f840e18a26228 MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
  1. /*
  2. * JBoss, Home of Professional Open Source.
  3. * Copyright 2012, Red Hat, Inc., and individual contributors
  4. * as indicated by the @author tags. See the copyright.txt file in the
  5. * distribution for a full listing of individual contributors.
  6. *
  7. * This is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU Lesser General Public License as
  9. * published by the Free Software Foundation; either version 2.1 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This software is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this software; if not, write to the Free
  19. * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20. * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  21. */
  22. package org.jboss.as.jpa.persistenceprovider;
  23. import java.security.AccessController;
  24. import java.security.PrivilegedAction;
  25. final class SecurityActions {
  26. private SecurityActions() {
  27. // forbidden inheritance
  28. }
  29. /**
  30. * Gets context classloader.
  31. *
  32. * @return the current context classloader
  33. */
  34. static ClassLoader getContextClassLoader() {
  35. if (System.getSecurityManager() == null) {
  36. return Thread.currentThread().getContextClassLoader();
  37. } else {
  38. return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
  39. public ClassLoader run() {
  40. return Thread.currentThread().getContextClassLoader();
  41. }
  42. });
  43. }
  44. }
  45. /**
  46. * Sets context classloader.
  47. *
  48. * @param classLoader the classloader
  49. */
  50. static void setContextClassLoader(final ClassLoader classLoader) {
  51. if (System.getSecurityManager() == null) {
  52. Thread.currentThread().setContextClassLoader(classLoader);
  53. } else {
  54. AccessController.doPrivileged(new PrivilegedAction<Object>() {
  55. public Object run() {
  56. Thread.currentThread().setContextClassLoader(classLoader);
  57. return null;
  58. }
  59. });
  60. }
  61. }
  62. }