/*
* 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>
*/
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)
{
}
}