| /******************************************************************************* |
| * Copyright (c) 2005, 2007 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.core.databinding.validation; |
| |
| import org.eclipse.core.runtime.IStatus; |
| |
| /** |
| * A validator. This validator is responsible for determining if a given value |
| * is valid. Validators can be used on target or model values. For example, a |
| * String2IntValidator would only accept source Strings that can successfully be |
| * converted to an integer value, and a PositiveIntegerValidator would only |
| * accept positive integers. |
| * |
| * @since 1.0 |
| * |
| */ |
| public interface IValidator { |
| |
| /** |
| * Determines if the given value is valid. |
| * |
| * @param value |
| * the value to validate |
| * @return a status object indicating whether the validation succeeded |
| * {@link IStatus#isOK()} or not. Never null. |
| */ |
| public IStatus validate(Object value); |
| |
| } |
