| /* |
| * Copyright (C) 2010 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.clearsilver.jsilver.resourceloader; |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| |
| /** |
| * Implementations of ResourceLoader should extend this class rather than directly implement the |
| * ResourceLoader interface - this allows changes to be made to the ResourceLoader interface whilst |
| * retaining backwards compatibility with existing implementations. |
| * |
| * @see ResourceLoader |
| */ |
| public abstract class BaseResourceLoader implements ResourceLoader { |
| |
| @Override |
| public void close(Reader reader) throws IOException { |
| reader.close(); |
| } |
| |
| /** |
| * Default implementation returns the filename as the ResourceLoaders that subclass this class |
| * tend to assume they are the only ResourceLoader in use. Or at least that the filename is the |
| * only necessary form of uniqueness between two instances of this same ResourceLoader. |
| */ |
| @Override |
| public Object getKey(String filename) { |
| return filename; |
| } |
| |
| /** |
| * Default implementation does not check whether the resource has changed. |
| */ |
| @Override |
| public Object getResourceVersionId(String filename) { |
| return filename; |
| } |
| } |