/**
    * This file is part of Waarp Project.
    * 
    * Copyright 2009, Frederic Bregier, and individual contributors by the @author tags. See the
    * COPYRIGHT.txt in the distribution for a full listing of individual contributors.
    * 
    * All Waarp Project is free software: you can redistribute it and/or modify it under the terms of
    * the GNU General Public License as published by the Free Software Foundation, either version 3 of
    * the License, or (at your option) any later version.
   * 
   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
   * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
   * Public License for more details.
   * 
   * You should have received a copy of the GNU General Public License along with Waarp . If not, see
   * <http://www.gnu.org/licenses/>.
   */
  package org.waarp.ftp.core.command.service;
  
  import org.waarp.common.command.ReplyCode;
  import org.waarp.common.command.exception.CommandAbstractException;
  import org.waarp.common.command.exception.Reply501Exception;
  import org.waarp.common.command.exception.Reply553Exception;
  import org.waarp.ftp.core.command.AbstractCommand;
  import org.waarp.ftp.core.exception.FtpNoFileException;
  import org.waarp.ftp.core.exception.FtpNoTransferException;
  import org.waarp.ftp.core.file.FtpFile;
  
  /**
   * RNTO command
   * 
   * @author Frederic Bregier
   * 
   */
  public class RNTO extends AbstractCommand {
      @Override
      public void exec() throws CommandAbstractException {
          if (!hasArg()) {
              invalidCurrentCommand();
              throw new Reply501Exception("Need a pathname as argument");
          }
          String filename = getArg();
          FtpFile file = null;
          try {
              file = getSession().getDataConn().getFtpTransferControl()
                      .getExecutingFtpTransfer().getFtpFile();
          } catch (FtpNoFileException e) {
          } catch (FtpNoTransferException e) {
          }
          if (file != null) {
              String previousName = file.getFile();
              if (file.renameTo(filename)) {
                  getSession().setReplyCode(
                          ReplyCode.REPLY_250_REQUESTED_FILE_ACTION_OKAY,
                          "\"" + filename + "\" as new file name for \"" +
                                  previousName + "\"");
                  return;
              }
          }
          // FtpFile name not allowed or not found
          throw new Reply553Exception("Filename not allowed");
      }
  
  }