/*
* 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.ftpserver.command.impl;
import java.io.IOException;
import org.apache.ftpserver.command.AbstractCommand;
import org.apache.ftpserver.command.impl.listing.DirectoryLister;
import org.apache.ftpserver.command.impl.listing.LISTFileFormater;
import org.apache.ftpserver.command.impl.listing.ListArgument;
import org.apache.ftpserver.command.impl.listing.ListArgumentParser;
import org.apache.ftpserver.ftplet.FtpException;
import org.apache.ftpserver.ftplet.FtpFile;
import org.apache.ftpserver.ftplet.FtpReply;
import org.apache.ftpserver.ftplet.FtpRequest;
import org.apache.ftpserver.impl.FtpIoSession;
import org.apache.ftpserver.impl.FtpServerContext;
import org.apache.ftpserver.impl.LocalizedDataTransferFtpReply;
import org.apache.ftpserver.impl.LocalizedFileActionFtpReply;
import org.apache.ftpserver.impl.LocalizedFtpReply;
/**
* <strong>Internal class, do not use directly.</strong>
*
* <code>STAT [<SP> <pathname>] <CRLF></code><br>
*
* This command shall cause a status response to be sent over the control
* connection in the form of a reply.
*
* @author <a href="http://mina.apache.org">Apache MINA Project</a>
*/
public class STAT extends AbstractCommand {
private static final LISTFileFormater LIST_FILE_FORMATER = new LISTFileFormater();
private final DirectoryLister directoryLister = new DirectoryLister();
/**
* Execute command
*/
public void execute(final FtpIoSession session,
final FtpServerContext context, final FtpRequest request)
throws IOException {
// reset state variables
session.resetState();
if(request.getArgument() != null) {
ListArgument parsedArg = ListArgumentParser.parse(request.getArgument());
// check that the directory or file exists
FtpFile file = null;
try {
file = session.getFileSystemView().getFile(parsedArg.getFile());
if(!file.doesExist()) {
session.write(LocalizedDataTransferFtpReply.translate(session, request, context,
FtpReply.REPLY_450_REQUESTED_FILE_ACTION_NOT_TAKEN, "LIST",
null, file));
return;
}
String dirList = directoryLister.listFiles(parsedArg,
session.getFileSystemView(), LIST_FILE_FORMATER);
int replyCode;
if(file.isDirectory()) {
replyCode = FtpReply.REPLY_212_DIRECTORY_STATUS;
} else {
replyCode = FtpReply.REPLY_213_FILE_STATUS;
}
session.write(LocalizedFileActionFtpReply.translate(session, request, context,
replyCode, "STAT",
dirList, file));
} catch (FtpException e) {
session
.write(LocalizedFileActionFtpReply
.translate(
session,
request,
context,
FtpReply.REPLY_450_REQUESTED_FILE_ACTION_NOT_TAKEN,
"STAT", null, file));
}
} else {
// write the status info
session.write(LocalizedFtpReply.translate(session, request, context,
FtpReply.REPLY_211_SYSTEM_STATUS_REPLY, "STAT", null));
}
}
}