| /******************************************************************************* |
| * Copyright (c) 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.wst.css.core.internal.contentmodel; |
| |
| |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| /** |
| * |
| */ |
| public class PropCMUtil { |
| |
| /** |
| * |
| */ |
| public static void minus(Collection src, Collection ref) { |
| Iterator it = ref.iterator(); |
| while (it.hasNext()) { |
| Object obj = it.next(); |
| if (src.contains(obj)) |
| src.remove(obj); |
| } |
| return; |
| } |
| |
| /** |
| * |
| */ |
| public static void plus(Collection src, Collection ref) { |
| Iterator it = ref.iterator(); |
| while (it.hasNext()) { |
| Object obj = it.next(); |
| if (!src.contains(obj)) |
| src.add(obj); |
| } |
| return; |
| } |
| } |