| /* |
| * Copyright 2002-2005 The Apache Software Foundation. |
| * |
| * 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 org.apache.commons.vfs.cache; |
| |
| import org.apache.commons.vfs.FileName; |
| import org.apache.commons.vfs.FileObject; |
| import org.apache.commons.vfs.FileSystem; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| /** |
| * A {@link org.apache.commons.vfs.FilesCache} implementation.<br> |
| * This implementation caches every file for the complete lifetime of the used {@link org.apache.commons.vfs.FileSystemManager}. |
| * |
| * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a> |
| * @version $Revision$ $Date$ |
| */ |
| public class DefaultFilesCache extends AbstractFilesCache |
| { |
| private final Map filesystemCache = new HashMap(10); |
| |
| public void putFile(final FileObject file) |
| { |
| Map files = getOrCreateFilesystemCache(file.getFileSystem()); |
| files.put(file.getName(), file); |
| } |
| |
| public FileObject getFile(final FileSystem filesystem, final FileName name) |
| { |
| Map files = getOrCreateFilesystemCache(filesystem); |
| return (FileObject) files.get(name); |
| } |
| |
| public void clear(FileSystem filesystem) |
| { |
| Map files = getOrCreateFilesystemCache(filesystem); |
| files.clear(); |
| } |
| |
| protected Map getOrCreateFilesystemCache(FileSystem filesystem) |
| { |
| Map files = (Map) filesystemCache.get(filesystem); |
| if (files == null) |
| { |
| files = new TreeMap(); |
| filesystemCache.put(filesystem, files); |
| } |
| |
| return files; |
| } |
| |
| public void close() |
| { |
| super.close(); |
| |
| filesystemCache.clear(); |
| } |
| |
| public void removeFile(FileSystem filesystem, FileName name) |
| { |
| Map files = getOrCreateFilesystemCache(filesystem); |
| files.remove(name); |
| } |
| |
| public void touchFile(FileObject file) |
| { |
| } |
| } |