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** Copyright (C) 2003-2010 Software- und Organisations-Service GmbH.
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**
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** Agreement for Purchase and Licensing
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package com.sos.VirtualFileSystem.FTPS;
import java.io.PrintWriter;
import java.security.NoSuchAlgorithmException;
import org.apache.commons.net.PrintCommandListener;
import org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.commons.net.ftp.FTPSClient;
import org.apache.log4j.Logger;
import com.sos.JSHelper.Exceptions.JobSchedulerException;
import com.sos.VirtualFileSystem.FTP.SOSVfsFtpBaseClass;
import com.sos.i18n.annotation.I18NResourceBundle;
@I18NResourceBundle(baseName = "SOSVirtualFileSystem", defaultLocale = "en")
public class SOSVfsFtpS extends SOSVfsFtpBaseClass {
private final String conClassName = "SOSVfsFtpS";
private Logger logger = Logger.getLogger(SOSVfsFtpS.class);
private FTPSClient objFTPClient = null;
/**
*
* \brief SOSVfsFtpS
*
* \details
*
*/
public SOSVfsFtpS() {
}
public FTPSClient getClient() {
return Client();
}
@Override
protected FTPSClient Client() {
if (objFTPClient == null) {
try {
String strProtocol = objConnection2Options.FtpS_protocol.Value();
objFTPClient = new FTPSClient(strProtocol);
}
catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
throw new JobSchedulerException("can not create FTPSClient");
}
FTPClientConfig conf = new FTPClientConfig();
// conf.setServerLanguageCode("fr");
// objFTPClient.configure(conf);
/**
* This listener is to write all commands and response from commands to system.out
*
*/
// TODO create a hidden debug-option to activate this listener
if (objConnection2Options != null) {
if (objConnection2Options.ProtocolCommandListener.value() == true) {
listener = new PrintCommandListener(new PrintWriter(System.out));
objFTPClient.addProtocolCommandListener(listener);
}
}
listener = new PrintCommandListener(new PrintWriter(System.out));
String strAddFTPProtocol = System.getenv("AddFTPProtocol");
if (strAddFTPProtocol != null && strAddFTPProtocol.equalsIgnoreCase("true")) {
objFTPClient.addProtocolCommandListener(listener);
}
}
return objFTPClient;
}
@Override
public void connect(String phost, int pport) {
try {
host = phost;
port = pport;
logger.debug(String.format("Try to connect to host '%1$s' at Port '%2$d'.", host, port));
if (isConnected() == false) {
Client().connect(host, port);
logger.debug(String.format("Connected to '%1$s' at Port '%2$d'.", host, port));
LogReply();
/**
* PBSZ (protection buffer size) command, as detailed in [RFC-2228],
* is compulsory prior to any PROT command.
*/
Client().execPBSZ(0);
LogReply();
Client().execPROT("P"); // Secure Data channel, see http://www.faqs.org/rfcs/rfc2228.html
LogReply();
Client().enterLocalPassiveMode();
LogReply();
}
else {
logger.warn(String.format("host '%1$s' at Port '%2$d' is already connected.", host, port));
}
}
catch (Exception e) {
String strM = HostID("connect returns an exception");
e.printStackTrace(System.err);
logger.error(strM, e);
// throw new RuntimeException(strM, e);
}
}
}