Class ServicePermission

java.lang.Object
java.security.Permission
javax.security.auth.kerberos.ServicePermission
All Implemented Interfaces:
Serializable, Guard
public final class ServicePermission extends Permission implements Serializable
A ServicePermission contains a service principal name and a list of actions which specify the context the credential can be used within.

The service principal name is the canonical name of the KerberosPrincipal supplying the service, that is the KerberosPrincipal represents a Kerberos service principal. This name is treated in a case sensitive manner. An asterisk may appear by itself, to signify any service principal.

The possible actions are: 

    initiate -              allow the caller to use the credential to
                            initiate a security context with a service
                            principal.

    accept -                allow the caller to use the credential to
                            accept security context as a particular
                            principal.
API Note:
This permission cannot be used for controlling access to resources as the Security Manager is no longer supported.
Since:
1.4
See Also:

  • Constructor Details

    • ServicePermission

      public ServicePermission(String servicePrincipal, String action)
      Create a new ServicePermission with the specified servicePrincipal and action.
      Parameters:
      servicePrincipal - the name of the service principal. An asterisk may appear by itself, to signify any service principal.
      action - the action string

  • Method Details

    • implies

      public boolean implies(Permission p)
      Checks if this Kerberos service permission object "implies" the specified permission.

      More specifically, this method returns true if all the following are true (and returns false if any of them are not):

      • p is an instanceof ServicePermission,
      • p's actions are a proper subset of this ServicePermission's actions,
      • p's name is equal to this ServicePermission's name or this ServicePermission's name is "*".
      Specified by:
      implies in class Permission
      Parameters:
      p - the permission to check against.
      Returns:
      true if the specified permission is implied by this object, false if not.

    • equals

      public boolean equals(Object obj)
      Checks two ServicePermission objects for equality.
      Specified by:
      equals in class Permission
      Parameters:
      obj - the object to test for equality with this object.
      Returns:
      true if obj is a ServicePermission, and has the same service principal, and actions as this ServicePermission object.
      See Also:

    • hashCode

      public int hashCode()
      Returns the hash code value for this object.
      Specified by:
      hashCode in class Permission
      Returns:
      the hash code value for this object
      See Also:

    • getActions

      public String getActions()
      Returns the canonical string representation of the actions. Always returns present actions in the following order: initiate, accept.
      Specified by:
      getActions in class Permission
      Returns:
      the actions of this Permission.

    • newPermissionCollection

      public PermissionCollection newPermissionCollection()
      Returns a PermissionCollection object for storing ServicePermission objects.
      ServicePermission objects must be stored in a manner that allows them to be inserted into the collection in any order, but that also enables the PermissionCollection implies method to be implemented in an efficient (and consistent) manner.
      Overrides:
      newPermissionCollection in class Permission
      Returns:
      a new PermissionCollection object suitable for storing ServicePermissions.