/**
    * 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.info;
  
  import java.util.List;
  
  import org.waarp.common.command.ReplyCode;
  import org.waarp.common.command.exception.CommandAbstractException;
  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;
  import org.waarp.ftp.core.utils.FtpChannelUtils;
  
  /**
   * STAT command
   * 
   * @author Frederic Bregier
   * 
   */
  public class STAT extends AbstractCommand {
      @Override
      public void exec() throws CommandAbstractException {
          String path = null;
          String message = null;
          message = "STATUS information\nNo FtpFile currently in transfer\n";
          FtpFile file = null;
          try {
              file = getSession().getDataConn().getFtpTransferControl()
                      .getExecutingFtpTransfer().getFtpFile();
          } catch (FtpNoFileException e) {
          } catch (FtpNoTransferException e) {
          }
          if (file != null) {
              if (file.isInReading()) {
                  message = "STATUS information\nFile currently in Retrieve transfer\n";
              } else if (file.isInWriting()) {
                  message = "STATUS information\nFile currently in Store transfer\n";
              }
          }
          if (!hasArg()) {
              // Current status of connection
              message += getSession().getDataConn().getStatus();
              message += "\nControl: " +
                      FtpChannelUtils.nbCommandChannels(getConfiguration()) +
                      " Data: " +
                      FtpChannelUtils.nbDataChannels(getConfiguration()) +
                      " Binded: " +
                      getConfiguration().getFtpInternalConfiguration()
                              .getNbBindedPassive();
              message += "\nEnd of Status";
              getSession().setReplyCode(ReplyCode.REPLY_211_SYSTEM_STATUS_REPLY,
                      message);
          } else {
              // List of files from path
              path = getArg();
              List<String> filesInfo = getSession().getDir().listFull(path, true);
              StringBuilder builder = new StringBuilder().append("List of files from ").append(path).append('\n');
              for (String newfileInfo : filesInfo) {
                  builder.append(newfileInfo).append('\n');
              }
              builder.append("End of Status");
              message += builder.toString();
              getSession().setReplyCode(ReplyCode.REPLY_212_DIRECTORY_STATUS,
                      message);
          }
      }
  
  }