| /******************************************************************************* |
| * Copyright (c) 2006, 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.observable.list; |
| |
| |
| /** |
| * Object describing a diff between two lists. |
| * |
| * @since 1.0 |
| */ |
| public abstract class ListDiff { |
| |
| /** |
| * Returns a list of ListDiffEntry |
| * |
| * @return a list of ListDiffEntry |
| */ |
| public abstract ListDiffEntry[] getDifferences(); |
| |
| /** |
| * @see java.lang.Object#toString() |
| */ |
| public String toString() { |
| ListDiffEntry[] differences = getDifferences(); |
| StringBuffer buffer = new StringBuffer(); |
| buffer.append(getClass().getName()); |
| |
| if (differences == null || differences.length == 0) { |
| buffer |
| .append("{}"); //$NON-NLS-1$ |
| } else { |
| buffer |
| .append("{"); //$NON-NLS-1$ |
| |
| for (int i = 0; i < differences.length; i++) { |
| if (i > 0) |
| buffer.append(", "); //$NON-NLS-1$ |
| |
| buffer |
| .append("difference[") //$NON-NLS-1$ |
| .append(i) |
| .append("] [") //$NON-NLS-1$ |
| .append(differences[i] != null ? differences[i].toString() : "null") //$NON-NLS-1$ |
| .append("]"); //$NON-NLS-1$ |
| } |
| buffer.append("}"); //$NON-NLS-1$ |
| } |
| |
| return buffer.toString(); |
| } |
| } |