| package org.eclipse.ui.dialogs; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| |
| /** |
| * For validating selections in some selection dialogs. |
| * <p> |
| * Clients should implement this interface to define specialized selection |
| * validators. |
| * </p> |
| * |
| * @see ContainerSelectionDialog |
| */ |
| public interface ISelectionValidator { |
| /** |
| * Returns a string indicating whether the given selection is valid. If the |
| * result is <code>null</code>, 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</code> indicating |
| * that the value is valid |
| */ |
| public String isValid(Object selection); |
| } |
