/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 de.unioninvestment.eai.portal.support.vaadin.validation;
import com.vaadin.ui.AbstractTextField;
import com.vaadin.ui.Field;
/**
* Feld Validator zur Prüfung der maximal Länge von Eingabewerten.
*
* @author markus.bonsch
*
*/
@ValidatorKeyword("maxlen")
public class MaxlenValidator implements FieldValidator {
private com.vaadin.data.Validator vaadinValidator;
private int maxLen;
/**
* @param len
* die maximal Länge.
* @param validatorMsg
* Hinweistext für nicht valide Eingaben.
*/
public MaxlenValidator(String len, String validatorMsg) {
maxLen = Integer.parseInt(len);
vaadinValidator = new com.vaadin.data.validator.StringLengthValidator(
validatorMsg, 0, maxLen , true);
}
@Override
public void apply(Field<?> field) {
if (field instanceof AbstractTextField) {
((AbstractTextField)field).setMaxLength(maxLen);
}
field.addValidator(vaadinValidator);
}
}