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/*
* Copyright 2000-2013 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.data.validator;
/**
* Validator base class for validating strings.
* <p>
* 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.
* </p>
*
* @author Vaadin Ltd.
* @since 5.4
*/
@SuppressWarnings("serial")
public abstract class AbstractStringValidator extends AbstractValidator<String> {
/**
* Constructs a validator for strings.
*
* <p>
* Null and empty string values are always accepted. To reject empty values,
* set the field being validated as required.
* </p>
*
* @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<String> getType() {
return String.class;
}
}
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