edu.emory.mathcs.util.security.action
Class GetLongAction

java.lang.Object
  extended byedu.emory.mathcs.util.security.action.GetLongAction
All Implemented Interfaces:
java.security.PrivilegedAction

public class GetLongAction
extends java.lang.Object
implements java.security.PrivilegedAction

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

See Also:
PrivilegedAction, AccessController

Constructor Summary
GetLongAction(java.lang.String prop)
          Constructor that takes the name of the system property whose long value needs to be determined.
GetLongAction(java.lang.String prop, long defaultVal)
          Constructor that takes the name of the system property and the default value to be used when property is not set.
 
Method Summary
 java.lang.Object run()
          Determines the long 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

GetLongAction

public GetLongAction(java.lang.String prop)
Constructor that takes the name of the system property whose long value needs to be determined.

Parameters:
prop - the name of the system property

GetLongAction

public GetLongAction(java.lang.String prop,
                     long defaultVal)
Constructor that takes the name of the system property and the default value to be used when property is not set.

Parameters:
prop - the name of the system property
defaultVal - the default value
Method Detail

run

public java.lang.Object run()
Determines the long value of the system property whose name was specified in the constructor.

If there is no property of the specified name, or if the property does not have the correct numeric format, then an Long object representing the default value that was specified in the constructor is returned, or null if no default value was specified.

Specified by:
run in interface java.security.PrivilegedAction
Returns:
the Long value of the property