Java Data Type Tutorial - Java SecurityManager .checkConnect (String host, int port, Object context)

Syntax

SecurityManager.checkConnect(String host, int port, Object context) has the following syntax.

public void checkConnect(String host,  int port,   Object context)

Example

In the following code shows how to use SecurityManager.checkConnect(String host, int port, Object context) method.

import java.security.AccessControlContext;
import java.security.AccessController;
/*from  w  w w .  jav a  2 s  .c o m*/
public class Main {

   public static void main(String[] args) {
      AccessControlContext acc = AccessController.getContext();

      System.setProperty("java.security.policy", "file:/C:/java.policy");

      SecurityManager sm = new SecurityManager();


      System.setSecurityManager(sm);

      // perform the check
      sm.checkConnect("www.java2s.com", 8080, acc);


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