try{

// pipeline

//String prvKeyPath = "IS_SSH/properties/intserv.rsa";
IDataCursor pipelineCursor = pipeline.getCursor();
	String	ftpHost = IDataUtil.getString( pipelineCursor, "ftpHost" );
	int	ftpPort = Integer.parseInt(IDataUtil.getString( pipelineCursor, "ftpPort" ));
	String	ftpUserName = IDataUtil.getString( pipelineCursor, "ftpUserName");
	String	prvkeyStr = IDataUtil.getString( pipelineCursor, "ftpPrvKey");
	String	ftpPassPhrase = IDataUtil.getString( pipelineCursor, "ftpPassPhrase");
pipelineCursor.destroy();

//char[] prvkeyChar = null;
//FileReader fr = new FileReader(prvKeyPath);
//fr.read(prvkeyChar);
//fr.close();
//String prvkeyStr = new String(prvkeyChar);
//prvkeyChar = null;
byte[] prvkey = prvkeyStr.getBytes();
byte[] PassPhrase = ftpPassPhrase.getBytes();
//prvkeyStr = null;
String status = null;
//final byte[] ftpPassPhrase = new byte[0]; 

    //First Create a JSch session
    JSch jsch = new JSch();
    //jsch.addIdentity(prvkeyStr);

	jsch.addIdentity(  
		   ftpUserName,    // String userName            
		   prvkey,         // byte[] privateKey             
		   null,            // byte[] publicKey            
		   PassPhrase );  // byte[] passPhrase
		 


    Session session = null;
    Channel channel = null;
    ChannelSftp c = null;

    //Now connect and SFTP to the SFTP Server
    //
    try {
	//Create a session sending through our username and password
        session = jsch.getSession(ftpUserName, ftpHost, ftpPort);    
    	session.connect();
    	//
    	//Open the SFTP channel
    	//
    	channel = session.openChannel("sftp");
    	channel.connect();
    	c = (ChannelSftp)channel;
		status = "OK";
    }
    catch (Exception e) {
		status = "Unable to connect to FTP server. "+e.toString();
    }
// pipeline
IDataCursor pipelineCursor_1 = pipeline.getCursor();
	IDataUtil.put( pipelineCursor_1, "ChannelSftp", c);
	IDataUtil.put( pipelineCursor_1, "SessionFactory", session);
	IDataUtil.put(pipelineCursor_1, "status", status);
pipelineCursor.destroy();

}
catch(Exception e){
new ServiceException(e.getStackTrace().toString());
}

----------------

Source:

public static class MyUserInfo implements UserInfo {
		   public String getPassword() { return "password"; }
		   public String getPassphrase() { return ""; }
		   public boolean promptPassword(String arg0) { return true; }
		   public boolean promptPassphrase(String arg0) { return true; }
		   public boolean promptYesNo(String arg0) { return true; }
		   public void showMessage(String arg0) {}
		  }

	public static String getFileName(String path){

			String fileName = null;
			String separator = File.separator;

			int pos = path.lastIndexOf(separator);
			int pos2 = path.lastIndexOf(".");

			if(pos2>-1)
			fileName =path.substring(pos+1, path.length());
			else
			fileName =path.substring(pos+1);

			return fileName;
			}


public static void logMsg(String msg, int lvl)
{
	JournalLogger.log(3, JournalLogger.FAC_FLOW_SVC, lvl, msg);
	return;
}

---------------------------

Imports:

com.jcraft.jsch.*
java.util.Properties
java.io.FileReader
com.wm.util.JournalLogger
java.io.*