/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.frameworks.ftpclient;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.net.ServerSocket;
/**
* Created by The eXo Platform SAS .
*
* @author Vitaly Guly
* @version $Id: $
*/
public class FtpUtils
{
protected static Log log = ExoLogger.getLogger("exo.jcr.framework.command.FtpUtils");
public static int getReplyCode(String reply)
{
if (reply.charAt(3) != ' ')
{
return -1;
}
String replyCodeVal = reply.substring(0, 3);
return new Integer(replyCodeVal);
}
public static boolean isPortFree(int port)
{
try
{
ServerSocket serverSocket = new ServerSocket(port);
serverSocket.close();
return true;
}
catch (Exception exc)
{
log.info(FtpConst.EXC_MSG + exc.getMessage(), exc);
}
return false;
}
}