com.vaadin.data.validator.AbstractStringValidator Maven / Gradle / Ivy
/*
* Vaadin Framework 7
*
* Copyright (C) 2000-2024 Vaadin Ltd
*
* This program is available under Vaadin Commercial License and Service Terms.
*
* See for the full
* license.
*/
package com.vaadin.data.validator;
/**
* Validator base class for validating strings.
*
* To include the value that failed validation in the exception message you can
* use "{0}" in the error message. This will be replaced with the failed value
* (converted to string using {@link #toString()}) or "null" if the value is
* null.
*
*
* @author Vaadin Ltd.
* @since 5.4
*/
@SuppressWarnings("serial")
public abstract class AbstractStringValidator
extends AbstractValidator {
/**
* Constructs a validator for strings.
*
*
* Null and empty string values are always accepted. To reject empty values,
* set the field being validated as required.
*
*
* @param errorMessage
* the message to be included in an {@link InvalidValueException}
* (with "{0}" replaced by the value that failed validation).
*/
public AbstractStringValidator(String errorMessage) {
super(errorMessage);
}
@Override
public Class getType() {
return String.class;
}
}