GetPropertyAction

extends Object
implements PrivilegedAction<T>

java.lang.Object
↳	sun.security.action.GetPropertyAction

Class Overview

A convenience class for retrieving the string value of a system property as a privileged action.

An instance of this class can be used as the argument of AccessController.doPrivileged.

The following code retrieves the value of the system property named "prop" as a privileged action:

 String s = java.security.AccessController.doPrivileged
                      (new GetPropertyAction("prop"));

Public Constructors
	GetPropertyAction(String theProp) Constructor that takes the name of the system property whose string value needs to be determined.
	GetPropertyAction(String theProp, String defaultVal) Constructor that takes the name of the system property and the default value of that property.

Public Methods
String	run() Determines the string value of the system property whose name was specified in the constructor.

Inherited Methods

From class java.lang.Object

Object	clone() Creates and returns a copy of this object.
boolean	equals(Object obj) Indicates whether some other object is "equal to" this one.
void	finalize() Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
final Class<?>	getClass() Returns the runtime class of this `Object`.
int	hashCode() Returns a hash code value for the object.
final void	notify() Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll() Wakes up all threads that are waiting on this object's monitor.
String	toString() Returns a string representation of the object.
final void	wait() Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.
final void	wait(long timeout, int nanos) Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
final void	wait(long timeout) Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.

Constructor that takes the name of the system property whose string value needs to be determined.

theProp	the name of the system property.

Constructor that takes the name of the system property and the default value of that property.

theProp	the name of the system property.

Determines the string value of the system property whose name was specified in the constructor.

the string value of the system property, or the default value if there is no property with that key.