protected void validateToken(String tokenName, String errorKey, String errorMessage) {
		if (controller.validateToken(tokenName) == false) {
			addError(errorKey, errorMessage);
		}
	}
protected void validateToken ( String tokenName , String errorKey , String errorMessage ) { if ( controller . validateToken ( tokenName ) == false ) { addError ( errorKey , errorMessage ) ; } }
Validate token created by Controller.createToken(String).