| /******************************************************************************* |
| * Copyright (c) 2012 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.common.ui.internal.jface; |
| |
| import org.eclipse.jface.viewers.IContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jpt.common.utility.internal.StringTools; |
| |
| /** |
| * Convenience implementation of {@link IContentProvider}. |
| */ |
| public class ContentProvider |
| implements IContentProvider |
| { |
| private static final IContentProvider NULL_PROVIDER = new ContentProvider(); |
| |
| public static IContentProvider nullProvider() { |
| return NULL_PROVIDER; |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // do nothing |
| } |
| |
| public void dispose() { |
| // do nothing |
| } |
| |
| @Override |
| public String toString() { |
| return StringTools.buildToStringFor(this); |
| } |
| } |