grant
    Principal javax.security.auth.MyPrincipal "duke"
{
        permission java.io.FilePermission "/home/duke", "read, write";
};

grant CodeBase "http://dummy.xxx", 
    Principal javax.security.auth.MyPrincipal "dummy"
{
        permission java.lang.RuntimePermission "createClassLoader";
};

grant
    Principal javax.security.auth.MyPrincipal "my",
    Principal javax.security.auth.OtherPrincipal "other",
{
        permission java.security.AllPermission;
};

grant
    Principal javax.security.auth.MyPrincipal "bunny"
{
        permission java.io.FilePermission "/home/bunny", "read, write";
        permission java.lang.RuntimePermission "stopThread";
};