@Override
@SuppressWarnings("unchecked")
// doPrivileged() returns the correct type
public <T extends Filter> T createFilter(Class<T> c) throws ServletException {
if (SecurityUtil.isPackageProtectionEnabled()) {
try {
return (T) invokeMethod(context, "createFilter", new Object[] {c});
} catch (Throwable t) {
handleThrowable(t);
if (t instanceof ServletException) {
throw (ServletException) t;
}
return null;
}
} else {
return context.createFilter(c);
}
}
