Java Data Type Tutorial - Java SecurityManager .checkAccess (Thread t)

Syntax

SecurityManager.checkAccess(Thread t) has the following syntax.

public void checkAccess(Thread t)

Example

In the following code shows how to use SecurityManager.checkAccess(Thread t) method.

public class Main extends SecurityManager {
//from   w w w .j a  va  2s.co  m
   // check access needs to overriden
   @Override
   public void checkAccess(Thread t) {
      throw new SecurityException("Not allowed.");
   }

   public static void main(String[] args) {
      System.setProperty("java.security.policy", "file:/C:/java.policy");

      Main sm = new Main();

      System.setSecurityManager(sm);

      // check if accepting access for thread is enabled
      sm.checkAccess(Thread.currentThread());

      System.out.println("Allowed!");
   }
}