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