| /******************************************************************************* |
| * Copyright (c) 2004, 2005 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; |
| |
| |
| /** |
| * Filter that accepts everything. Available as a singleton since having |
| * more than one instance would be wasteful. |
| * |
| * @since 3.1 |
| */ |
| public final class AcceptAllFilter implements IFilter { |
| |
| /** |
| * Returns the singleton instance of AcceptAllFilter |
| * |
| * @return the singleton instance of AcceptAllFilter |
| */ |
| public static IFilter getInstance() { |
| return singleton; |
| } |
| |
| /** |
| * The singleton instance |
| */ |
| private static IFilter singleton = new AcceptAllFilter(); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.deferred.IFilter#select(java.lang.Object) |
| */ |
| public boolean select(Object toTest) { |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object other) { |
| return other == this || other instanceof AcceptAllFilter; |
| } |
| |
| } |