Java Tutorial/Security/GuardedObject

Guard guard = new PropertyPermission(java.home, read);

   <source lang="java">

import java.security.AccessControlException; import java.security.Guard; import java.security.GuardedObject; import java.util.PropertyPermission; public class Main {

 public static void main(String[] argv) throws Exception {
   String secretObj = "secret";
   Guard guard = new PropertyPermission("java.home", "read");
   GuardedObject gobj = new GuardedObject(secretObj, guard);
   try {
     Object o = gobj.getObject();
   } catch (AccessControlException e) {
     e.printStackTrace();
   }
 }

}</source>

new GuardedObject(Object obj, Guard)

   <source lang="java">

import java.security.AccessControlException; import java.security.Guard; import java.security.GuardedObject; import java.util.PropertyPermission; public class Main {

 public static void main(String[] argv) throws Exception {
   String secretObj = "secret";
   Guard guard = new PropertyPermission("java.home", "read");
   GuardedObject gobj = new GuardedObject(secretObj, guard);
   try {
     Object o = gobj.getObject();
   } catch (AccessControlException e) {
     e.printStackTrace();
   }
 }

}</source>

Object GuardedObject.getObject()

   <source lang="java">

import java.security.AccessControlException; import java.security.Guard; import java.security.GuardedObject; import java.util.PropertyPermission; public class Main {

 public static void main(String[] argv) throws Exception {
   String secretObj = "secret";
   Guard guard = new PropertyPermission("java.home", "read");
   GuardedObject gobj = new GuardedObject(secretObj, guard);
   try {
     Object o = gobj.getObject();
   } catch (AccessControlException e) {
     e.printStackTrace();
   }
 }

}</source>