| /******************************************************************************* |
| * 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.viewers; |
| |
| import java.util.Collection; |
| |
| /** |
| * This implementation of <code>IStructuredContentProvider</code> handles |
| * the case where the viewer input is an unchanging array or collection of elements. |
| * <p> |
| * This class is not intended to be subclassed outside the viewer framework. |
| * </p> |
| * |
| * @since 2.1 |
| */ |
| public class ArrayContentProvider implements IStructuredContentProvider { |
| |
| /** |
| * Returns the elements in the input, which must be either an array or a |
| * <code>Collection</code>. |
| */ |
| public Object[] getElements(Object inputElement) { |
| if (inputElement instanceof Object[]) |
| return (Object[]) inputElement; |
| if (inputElement instanceof Collection) |
| return ((Collection) inputElement).toArray(); |
| return new Object[0]; |
| } |
| |
| /** |
| * This implementation does nothing. |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // do nothing. |
| } |
| |
| /** |
| * This implementation does nothing. |
| */ |
| public void dispose() { |
| // do nothing. |
| } |
| } |