Determining If One Permission Implies Another : Permission « Security « Java Tutorial

1. Java Tutorial
2. Security
3. Permission

import java.io.FilePermission;
import java.security.Permission;

public class Main {
  public static void main(String[] argv) throws Exception {
    Permission perm1 = new FilePermission("/tmp/*", "read,write");
    Permission perm2 = new FilePermission("/tmp/abc", "read");

    if (perm1.implies(perm2)) {
      System.out.println("perm1 implies perm2"); 
    }

  }
}