Package net.jini.discovery

Class DiscoveryPermission

java.lang.Object
java.security.Permission
net.jini.discovery.DiscoveryPermission
All Implemented Interfaces:
Serializable, Guard
public final class DiscoveryPermission extends Permission implements Serializable
Permission for using LookupDiscovery. The permission contains a name but no actions list. The name is a discovery group name. The empty string represents the "public" group (as usual). The name "*" represents all groups. The name can start with "*." to signify a prefix wildcard match; in this case, group names are assumed to be in dotted domain name style (e.g., "*.sun.com").

Note that, due to limitations of the Java(TM) platform security model, permission must be granted not only to the code that calls LookupDiscovery, but also to LookupDiscovery itself.

Author:
Sun Microsystems, Inc.
See Also:

  • Constructor Details

    • DiscoveryPermission

      public DiscoveryPermission(String group)
      Simple constructor.
      Parameters:
      group - the group name (wildcard permitted)

    • DiscoveryPermission

      public DiscoveryPermission(String group, String action)
      Simple constructor.
      Parameters:
      group - the group name (wildcard permitted)
      action - ignored

  • Method Details

    • implies

      public boolean implies(Permission p)
      Returns true if the name of this permission (the one on which the method is invoked) is the same as the name of the permission parameter, or if the name of this permission starts with '*' and the remainder (after the '*') is a suffix of the name of the permission parameter.
      Specified by:
      implies in class Permission

    • equals

      public boolean equals(Object obj)
      Two instances are equal if they have the same name.
      Specified by:
      equals in class Permission

    • hashCode

      public int hashCode()
      Specified by:
      hashCode in class Permission

    • getActions

      public String getActions()
      Always returns the empty string; this permission type has no actions list.
      Specified by:
      getActions in class Permission

    • newPermissionCollection

      public PermissionCollection newPermissionCollection()
      Overrides:
      newPermissionCollection in class Permission