java.security
Class PermissionsHash

java.lang.Object
  java.security.PermissionCollection
      java.security.PermissionsHash

All Implemented Interfaces:

Serializable

final class PermissionsHash
extends PermissionCollection

A default PermissionCollection implementation that uses a hashtable. Each hashtable entry stores a Permission object as both the key and the value.
This PermissionCollection is intended for storing "neutral" permissions which do not require special collection.

Constructor Summary

PermissionsHash()

Method Summary

void	add(Permission permission) Adds the argument to the collection.
Enumeration	elements() Returns an enumeration of the permissions in the receiver.
boolean	implies(Permission permission) Indicates whether the argument permission is implied by the permissions contained in the receiver.

Methods inherited from class java.security.PermissionCollection

isReadOnly, setReadOnly, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

PermissionsHash

PermissionsHash()

Method Detail

add

public void add(Permission permission)

Adds the argument to the collection.

Specified by:

add in class PermissionCollection

Parameters:

permission - java.security.Permission the permission to add to the collection

elements

public Enumeration elements()

Returns an enumeration of the permissions in the receiver.

Specified by:

elements in class PermissionCollection

Returns:

Enumeration the permissions in the receiver.

implies

public boolean implies(Permission permission)

Indicates whether the argument permission is implied by the permissions contained in the receiver.

Specified by:

implies in class PermissionCollection

Parameters:

permission - java.security.Permission the permission to check

Returns:

boolean true if the argument permission is implied by the permissions in the receiver, and false if it is not.