| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.dialogs; |
| |
| /** |
| * The IInputValidator is the interface for simple validators. |
| * @see org.eclipse.jface.dialogs.InputDialog |
| */ |
| public interface IInputValidator { |
| /** |
| * Validates the given string. Returns an error message to display |
| * if the new text is invalid. Returns <code>null</code> if there |
| * is no error. Note that the empty string is not treated the same |
| * as <code>null</code>; it indicates an error state but with no message |
| * to display. |
| * |
| * @param newText the text to check for validity |
| * |
| * @return an error message or <code>null</code> if no error |
| */ |
| public String isValid(String newText); |
| } |
