com.ibm.security12.sun.security.action
Class GetPropertyAction

java.lang.Object
  |
  +--com.ibm.security12.sun.security.action.GetPropertyAction

public class GetPropertyAction
extends Object
implements PrivilegedAction

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 = (String) com.ibm.security12.java.security.AccessController.doPrivileged(
                         new GetPropertyAction("prop"));
 

Since:
JDK1.2
Version:
1.4, 06/29/98
Author:
Roland Schemers
See Also:
PrivilegedAction, AccessController

Constructor Summary
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.
 
Method Summary
 Object run()
          Determines the string value of the system property whose name was specified in the constructor.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

GetPropertyAction

public GetPropertyAction(String theProp)
Constructor that takes the name of the system property whose string value needs to be determined.
Parameters:
theProp - the name of the system property.

GetPropertyAction

public GetPropertyAction(String theProp,
                         String defaultVal)
Constructor that takes the name of the system property and the default value of that property.
Parameters:
theProp - the name of the system property.
defaulVal - the default value.
Method Detail

run

public Object run()
Determines the string value of the system property whose name was specified in the constructor.
Specified by:
run in interface PrivilegedAction
Returns:
the string value of the system property, or the default value if there is no property with that key.