Java Doc for GetPropertyAction.java in  » 6.0-JDK-Modules » j2me » sun » security » action » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » sun.security.action 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


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

GetPropertyAction
public class GetPropertyAction implements java.security.PrivilegedAction(Code)
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) java.security.AccessController.doPrivileged(
 new GetPropertyAction("prop"));
 

author:
   Roland Schemers
version:
   1.6, 02/02/00
See Also:   java.security.PrivilegedAction
See Also:   java.security.AccessController
since:
   JDK1.2



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

Method Summary
public  Objectrun()
     Determines the string value of the system property whose name was specified in the constructor.


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




Method Detail
run
public Object run()(Code)
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.



Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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