org.openlowcode.client.graphic.widget.fields

Interface FormatValidator

All Known Implementing Classes:

BigDecimalFormatValidator, DateFormatValidator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface FormatValidator

A light-weight interface to validate string input for a specific format. This is especially used to validate dates and numbers

Author:

Open Lowcode SAS

Method Summary

Modifier and Type	Method and Description
java.lang.String	valid(java.lang.String valueasstring) will parse the string value and decide if the format is correct or not

Method Detail

valid

java.lang.String valid(java.lang.String valueasstring)

will parse the string value and decide if the format is correct or not

Parameters:

valueasstring -

Returns:

the reformatted string if needed, null string if format is invalid (note: Exception should not be thrown if format is invalid). Note: A null value will be rendered as an empty string;