1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
13 * Created on 6.10.2005
14 * @author Toni Kalajainen
16 package org.simantics.utils.ui.validators;
18 import org.eclipse.jface.dialogs.IInputValidator;
20 public class EmptyValidator implements IInputValidator {
22 public static EmptyValidator EMPTY_VALIDATOR = new EmptyValidator();
24 public EmptyValidator() {
27 public String isValid(String newText) {
28 if (newText==null || newText.equals("")) return null;
29 return "Must be null";