/*
* 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.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.LocalizedRenameFtpReply;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <strong>Internal class, do not use directly.</strong>
*
* <code>RNTO <SP> <pathname> <CRLF></code><br>
*
* This command specifies the new pathname of the file specified in the
* immediately preceding "rename from" command. Together the two commands cause
* a file to be renamed.
*
* @author <a href="http://mina.apache.org">Apache MINA Project</a>
*/
public class RNTO extends AbstractCommand {
private final Logger LOG = LoggerFactory.getLogger(RNTO.class);
/**
* Execute command.
*/
public void execute(final FtpIoSession session,
final FtpServerContext context, final FtpRequest request)
throws IOException, FtpException {
try {
// argument check
String toFileStr = request.getArgument();
if (toFileStr == null) {
session
.write(LocalizedRenameFtpReply
.translate(
session,
request,
context,
FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS,
"RNTO", null, null, null));
return;
}
// get the "rename from" file object
FtpFile frFile = session.getRenameFrom();
if (frFile == null) {
session.write(LocalizedRenameFtpReply.translate(session, request, context,
FtpReply.REPLY_503_BAD_SEQUENCE_OF_COMMANDS, "RNTO",
null, null, null));
return;
}
// get target file
FtpFile toFile = null;
try {
toFile = session.getFileSystemView().getFile(toFileStr);
} catch (Exception ex) {
LOG.debug("Exception getting file object", ex);
}
if (toFile == null) {
session
.write(LocalizedRenameFtpReply
.translate(
session,
request,
context,
FtpReply.REPLY_553_REQUESTED_ACTION_NOT_TAKEN_FILE_NAME_NOT_ALLOWED,
"RNTO.invalid", null, frFile, toFile));
return;
}
toFileStr = toFile.getAbsolutePath();
// check permission
if (!toFile.isWritable()) {
session
.write(LocalizedRenameFtpReply
.translate(
session,
request,
context,
FtpReply.REPLY_553_REQUESTED_ACTION_NOT_TAKEN_FILE_NAME_NOT_ALLOWED,
"RNTO.permission", null, frFile, toFile));
return;
}
// check file existence
if (!frFile.doesExist()) {
session
.write(LocalizedRenameFtpReply
.translate(
session,
request,
context,
FtpReply.REPLY_553_REQUESTED_ACTION_NOT_TAKEN_FILE_NAME_NOT_ALLOWED,
"RNTO.missing", null, frFile, toFile));
return;
}
// save away the old path
String logFrFileAbsolutePath = frFile.getAbsolutePath();
// now rename
if (frFile.move(toFile)) {
session.write(LocalizedRenameFtpReply.translate(session, request, context,
FtpReply.REPLY_250_REQUESTED_FILE_ACTION_OKAY, "RNTO",
toFileStr, frFile, toFile));
LOG.info("File rename from \"{}\" to \"{}\"", logFrFileAbsolutePath,
toFile.getAbsolutePath());
} else {
session
.write(LocalizedRenameFtpReply
.translate(
session,
request,
context,
FtpReply.REPLY_553_REQUESTED_ACTION_NOT_TAKEN_FILE_NAME_NOT_ALLOWED,
"RNTO", toFileStr, frFile, toFile));
}
} finally {
session.resetState();
}
}
}