| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.commons.vfs.cache; |
| |
| import org.apache.commons.vfs.FileName; |
| import org.apache.commons.vfs.FileObject; |
| import org.apache.commons.vfs.FileSystem; |
| |
| /** |
| * <p> |
| * A {@link org.apache.commons.vfs.FilesCache} implementation.<br> |
| * This implementation never ever caches a single file. |
| * </p> |
| * <p> |
| * <b>Notice: if you use resolveFile(uri) multiple times with the same path, the system will always |
| * create a new instance. |
| * Changes on one instance of this file are not seen by the others.</b> |
| * </p> |
| * |
| * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a> |
| * @version $Revision$ $Date$ |
| */ |
| public class NullFilesCache extends AbstractFilesCache |
| { |
| public void putFile(final FileObject file) |
| { |
| } |
| |
| public FileObject getFile(final FileSystem filesystem, final FileName name) |
| { |
| return null; |
| } |
| |
| public void clear(FileSystem filesystem) |
| { |
| } |
| |
| public void close() |
| { |
| super.close(); |
| } |
| |
| public void removeFile(FileSystem filesystem, FileName name) |
| { |
| } |
| |
| public void touchFile(FileObject file) |
| { |
| } |
| } |