public abstract class SecurityContext
extends AbstractContext 

 SecurityContext ctx = SecurityContext.enter(); 
 try {
 ctx.revoke(Configurable.RECONFIGURE_PERMISSION);
 ctx.grant(ConcurrentContext.CONCURRENCY.getReconfigurePermission());
 ...
 ConcurrentContext.CONCURRENCY.reconfigure(0); // Ok (permission specifically granted).
 ...
 } finally {
 ctx.exit(); // Back to previous security settings. 
 }

Version:

6.0, July 21, 2013

Author:

Jean-Marie Dautelle

• Nested Class Summary

  Nested Classes

  Modifier and Type	Class and Description
  static class	SecurityContext.Permission<T> A permission associated to a specific class/action/instance.

• Constructor Summary

  Constructors

  Modifier	Constructor and Description
  protected	SecurityContext () Default constructor.

• Method Summary

  Methods

  Modifier and Type	Method and Description
  static void	check (SecurityContext.Permission<?> permission) Checks if the specified permission is granted.
  static SecurityContext	enter () Enters and returns a new security context instance.
  void	grant (SecurityContext.Permission<?> permission) Grants the specified permission (convenience method).
  abstract void	grant (SecurityContext.Permission<?> permission, Object certificate) Grants the specified permission.
  abstract boolean	isGranted (SecurityContext.Permission<?> permission) Indicates if the specified permission is granted.
  void	revoke (SecurityContext.Permission<?> permission) Revokes the specified permission (convenience method).
  abstract void	revoke (SecurityContext.Permission<?> permission, Object certificate) Revokes the specified permission.

  • Methods inherited from class javolution.context.AbstractContext

    current, current, enter, enterInner, exit, getOuter, inherit, inner

  • Methods inherited from class java.lang.Object

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

• Constructor Detail

  • SecurityContext

    protected SecurityContext()

    Default constructor.

• Method Detail

  • enter

    public static SecurityContext enter()

    Enters and returns a new security context instance.

    Returns:

    the new security context implementation entered.

  • check

    public static void check(SecurityContext.Permission<?> permission)

    Checks if the specified permission is granted.

    Parameters:

    permission - the permission to check.

    Throws:

    SecurityException - if the specified permission is not granted.

  • isGranted

    public abstract boolean isGranted(SecurityContext.Permission<?> permission)

    Indicates if the specified permission is granted.

    Parameters:

    permission - the permission to check.

  • grant

    public abstract void grant(SecurityContext.Permission<?> permission,
     Object certificate)

    Grants the specified permission.

    Parameters:

    permission - the permission to grant.

    certificate - the certificate used to grant that permission or null if none.

    Throws:

    SecurityException - if the specified permission cannot be granted.

  • revoke

    public abstract void revoke(SecurityContext.Permission<?> permission,
     Object certificate)

    Revokes the specified permission.

    Parameters:

    permission - the permission to grant.

    certificate - the certificate used to grant that permission or null if none.

    Throws:

    SecurityException - if the specified permission cannot be revoked.

  • grant

    public final void grant(SecurityContext.Permission<?> permission)

    Grants the specified permission (convenience method).

    Parameters:

    permission - the permission to grant.

    Throws:

    SecurityException - if the specified permission cannot be granted.

  • revoke

    public final void revoke(SecurityContext.Permission<?> permission)

    Revokes the specified permission (convenience method).

    Parameters:

    permission - the permission to grant.

    Throws:

    SecurityException - if the specified permission cannot be revoked.