/*
* 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.vfs2.impl;
import org.apache.commons.vfs2.FileName;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileType;
import org.apache.commons.vfs2.provider.AbstractFileName;
import org.apache.commons.vfs2.provider.AbstractVfsContainer;
/**
* A virtual filesystem provider.
*
* @author <a href="http://commons.apache.org/vfs/team-list.html">Commons VFS team</a>
*/
public class VirtualFileProvider extends AbstractVfsContainer
{
/**
* Creates a virtual file system, with the supplied file as its root.
* @param rootFile The root of the file system.
* @return A FileObject in the FileSystem.
* @throws FileSystemException if an error occurs.
*/
public FileObject createFileSystem(final FileObject rootFile) throws FileSystemException
{
final AbstractFileName rootName = (AbstractFileName)
getContext().getFileSystemManager().resolveName(rootFile.getName(), FileName.ROOT_PATH);
// final FileName rootName =
// new BasicFileName(rootFile.getName(), FileName.ROOT_PATH);
final VirtualFileSystem fs = new VirtualFileSystem(rootName, rootFile.getFileSystem().getFileSystemOptions());
addComponent(fs);
fs.addJunction(FileName.ROOT_PATH, rootFile);
return fs.getRoot();
}
/**
* Creates an empty virtual file system.
* @param rootUri The root of the file system.
* @return A FileObject in the FileSystem.
* @throws FileSystemException if an error occurs.
*/
public FileObject createFileSystem(final String rootUri) throws FileSystemException
{
final AbstractFileName rootName =
new VirtualFileName(rootUri, FileName.ROOT_PATH, FileType.FOLDER);
// final FileName rootName =
// new BasicFileName(rootUri, FileName.ROOT_PATH);
final VirtualFileSystem fs = new VirtualFileSystem(rootName, null);
addComponent(fs);
return fs.getRoot();
}
}