/*
* 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.sling.ftpserver.impl;
import org.apache.ftpserver.ftplet.FileSystemView;
import org.apache.ftpserver.ftplet.FtpFile;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceUtil;
public class SlingFileSystemView implements FileSystemView {
private final SlingUser slingUser;
private FtpFile cwd;
public SlingFileSystemView(final SlingUser user) {
this.slingUser = user;
this.cwd = getHomeDirectory();
}
public boolean changeWorkingDirectory(String wd) {
final String cwd;
if (wd.startsWith("/")) {
cwd = wd;
} else {
cwd = this.cwd.getAbsolutePath() + "/" + wd;
}
FtpFile cwdFile = getFile(cwd);
if (cwdFile.doesExist()) {
this.cwd = cwdFile;
return true;
}
return false;
}
public void dispose() {
this.getResovler().close();
}
public FtpFile getFile(String path) {
if (!path.startsWith("/")) {
path = this.cwd.getAbsolutePath() + "/" + path;
}
path = ResourceUtil.normalize(path);
Resource res = this.getResovler().getResource(path);
if (res != null) {
return new SlingFtpFile(res);
}
return new SlingFtpFile(path, this.getResovler());
}
public FtpFile getHomeDirectory() {
return getFile(slingUser.getHomeDirectory());
}
public FtpFile getWorkingDirectory() {
return this.cwd;
}
public boolean isRandomAccessible() {
// only stream access to data
return false;
}
private ResourceResolver getResovler() {
return this.slingUser.getResolver();
}
}