| /******************************************************************************* |
| * Copyright (c) 2008, 2010 VMware Inc. |
| * 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: |
| * VMware Inc. - initial contribution |
| *******************************************************************************/ |
| |
| package org.eclipse.virgo.bundlor.support.propertysubstitution; |
| |
| |
| |
| /** |
| |
| * Identity transformer is a no-op transformer. |
| |
| * |
| |
| * @author Andy Clement |
| |
| */ |
| |
| final class IdentityTransformer implements Transformer { |
| |
| |
| |
| static IdentityTransformer instance = new IdentityTransformer(); |
| |
| |
| |
| // static shared instance should be used |
| |
| private IdentityTransformer() { |
| |
| |
| |
| } |
| |
| |
| |
| public <T> T transform(T input) { |
| |
| return input; |
| |
| } |
| |
| |
| |
| public String toString() { |
| |
| return "="; |
| |
| } |
| |
| } |
