/** Stores a unique token in the session to prevent repeated submission of the same form. */
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
long timer = System.nanoTime();
long random = (long) (Math.random() * Integer.MAX_VALUE);
long token = timer ^ random;
NGSecureUtilities.setSecurityToken(String.valueOf(token), component.getClientId());
super.encodeBegin(context, component);
NGSecurityFilter filter = findAndVerifySecurityFilter(context, component);
showLegalDisclaimer(context, filter);
}
/** This method analyzes user input to prevent security breaches. */
@Override
public void decode(FacesContext context, UIComponent component) {
super.decode(context, component);
}