 Known Direct Subclasses
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Class Overview
Abstract superclass of classes which are collections of Permission objects.
Summary
| Public Methods |
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abstract
void
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add(Permission permission)
Adds the argument to the collection.
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abstract
Enumeration<Permission>
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elements()
Returns an enumeration of the permissions in the receiver.
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abstract
boolean
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implies(Permission permission)
Indicates whether the argument permission is implied by the permissions
contained in the receiver.
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boolean
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isReadOnly()
Indicates whether new permissions can be added to the receiver.
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void
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setReadOnly()
Marks the receiver as read only, so that no new permissions can be added
to it.
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String
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toString()
Returns a string containing a concise, human-readable description of the
receiver.
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[Expand]
Inherited Methods |
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From class java.lang.Object
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Object
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clone()
Returns a new instance of the same class as the receiver, whose slots
have been filled in with the values in the slots of the receiver.
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boolean
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equals(Object o)
Compares the argument to the receiver, and returns true if they represent
the same object using a class specific comparison.
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void
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finalize()
Called by the virtual machine when there are no longer any (non-weak)
references to the receiver.
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final
Class<? extends Object>
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getClass()
Returns the unique instance of java.lang.Class which represents the class
of the receiver.
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int
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hashCode()
Returns an integer hash code for the receiver.
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final
void
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notify()
Causes one thread which is wait ing on the receiver to be
made ready to run.
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final
void
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notifyAll()
Causes all threads which are wait ing on the receiver to
be made ready to run.
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String
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toString()
Returns a string containing a concise, human-readable description of the
receiver.
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final
void
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wait(long time, int frac)
Causes the thread which sent this message to be made not ready to run
either pending some change in the receiver (as indicated by
notify or notifyAll) or the expiration of
the timeout.
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final
void
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wait(long time)
Causes the thread which sent this message to be made not ready to run
either pending some change in the receiver (as indicated by
notify or notifyAll) or the expiration of
the timeout.
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final
void
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wait()
Causes the thread which sent this message to be made not ready to run
pending some change in the receiver (as indicated by notify
or notifyAll).
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Public Constructors
public
PermissionCollection
()
Public Methods
public
abstract
void
add
(Permission permission)
Adds the argument to the collection.
Parameters
| permission
| java.security.Permission the permission to add to the
collection. |
Returns an enumeration of the permissions in the receiver.
Returns
- Enumeration the permissions in the receiver.
public
abstract
boolean
implies
(Permission permission)
Indicates whether the argument permission is implied by the permissions
contained in the receiver.
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.
public
boolean
isReadOnly
()
Indicates whether new permissions can be added to the receiver.
Returns
- boolean
true if the receiver is read only
false if new elements can still be added to the
receiver.
public
void
setReadOnly
()
Marks the receiver as read only, so that no new permissions can be added
to it.
public
String
toString
()
Returns a string containing a concise, human-readable description of the
receiver.
Returns
- a printable representation for the receiver.
