| /* |
| * 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.FtpReply; |
| import org.apache.ftpserver.ftplet.FtpRequest; |
| import org.apache.ftpserver.impl.FtpIoSession; |
| import org.apache.ftpserver.impl.FtpServerContext; |
| import org.apache.ftpserver.impl.LocalizedFtpReply; |
| |
| /** |
| * <strong>Internal class, do not use directly.</strong> |
| * |
| * <code>SYST <CRLF></code><br> |
| * |
| * This command is used to find out the type of operating system at the server. |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class SYST extends AbstractCommand { |
| |
| /** |
| * Execute command |
| */ |
| public void execute(final FtpIoSession session, |
| final FtpServerContext context, final FtpRequest request) |
| throws IOException { |
| |
| // reset state variables |
| session.resetState(); |
| |
| // get server system info |
| String systemName = System.getProperty("os.name"); |
| if (systemName == null) { |
| systemName = "UNKNOWN"; |
| } else { |
| systemName = systemName.toUpperCase(); |
| systemName = systemName.replace(' ', '-'); |
| } |
| // print server system info |
| session.write(LocalizedFtpReply.translate(session, request, context, |
| FtpReply.REPLY_215_NAME_SYSTEM_TYPE, "SYST", systemName)); |
| } |
| |
| } |