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The source code/******************************************************************************* * Copyright (c) 2000, 2006 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.ui.dialogs; /** * For validating selections in some selection dialogs. * <p> * Clients should implement this interface to define specialized selection * validators. * </p> */ public interface ISelectionValidator { /** * Returns a string indicating whether the given selection is valid. If the * result is <code>null, the selection is considered to be valid; if the result is * non-empty, it contains the error message to be displayed to the user. * * @param selection the selection to be validated * @return the error message, or <code>null indicating * that the value is valid */ public String isValid(Object selection); } |
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