// required import statements
import java.io.*;
import java.util.*;

import com.jscape.inet.sftp.Sftp;
import com.jscape.inet.sftp.SftpException;
import com.jscape.inet.sftp.SftpFile;
import com.jscape.inet.sftp.events.SftpAdapter;
import com.jscape.inet.sftp.events.SftpConnectedEvent;
import com.jscape.inet.sftp.events.SftpDisconnectedEvent;
import com.jscape.inet.ssh.util.SshParameters;

public class SFTPExample extends SftpAdapter
{
	private String hostname; 
	private String username;
	private String password;
	private Sftp sftp;
	
	public SFTPExample(String hostname, String username, String password)
	{
	   // initialize local SFTP instance with hostname, username and password.
	   sftp = new Sftp(new SshParameters(hostname, 
			                             username,
			                             password));
	   
	   // register the listener so this instance can recieve events.
	   sftp.addSftpListener(this);
	}
	
	// open connection to the remote server.
	public void openConnection() throws SftpException
	{
		sftp.connect();
	}
	
	// disconnect from the remote server.
	public void closeConnection()
	{
		sftp.disconnect();
	}
	
	// set binary transfer mode
	public void setBinaryMode()
	{
		this.setAutoDetectFileMode(false);
		sftp.setBinary();
	}
	
	// set ASCII transfer mode
	public void setAsciiMode()
	{
		this.setAutoDetectFileMode(false);
		sftp.setAscii();
	}
	
	// automatically detect the transfer mode
	public void setAutoDetectFileMode(boolean value)
	{
	    sftp.setAuto(value);	
	}
	
	// provide a filename expression to upload
	// e.g. :
	// *.*       upload all files from in the current local directory.
	// .*\\.gif  upload all files with the GIF image extension.
	public void uploadFile(String expression) throws SftpException
	{
		sftp.mupload(expression);
	}
	
	// call this method if you want to append data to an existing file
	// e.g.
	// File src = new File("c:/tmp/logs.txt");
	// String dest = "all-logs.txt";
	// sftp.upload(src,dest,true);
	public void uploadFile(String source, String dest, boolean append) throws SftpException
	{
		sftp.upload(new File(source), dest, true);
	}
	
	// upload a directory
	// e.g. :
	// uploadDir(new File("e:/somedir"));
	// This call will upload "somedir" to the remote server
	public void uploadDir(File file) throws SftpException
	{
		sftp.uploadDir(file);
	}
	
	// upload from memory
	// e.g.
	// String someData = "data";
	// upload(someData.getBytes(), "data.txt");
	public void upload(byte[] b, String file) throws SftpException
	{
		sftp.upload(b, file);
	}
	
	// set local directory to upload from
	public void setLocalDir(String dir)
	{
		sftp.setLocalDir(new File(dir));
	}
	
	// set remote directory to upload to
	public void setRemoteDir(String dir) throws SftpException
	{
		sftp.setDir(dir);
	}
	
	// this method is invoked when when client connects to the remote server.
	public void connected(SftpConnectedEvent evt)
	{
	   System.out.println("Connected to host: " + evt.getHostname());
	}

	// this method is invoked when client disconnects from the remote server.
    public void disconnected(SftpDisconnectedEvent evt)
    {
	   System.out.println("Disconnected from host: " + evt.getHostname());
	}
    
    public static void main(String[] args)
	{
		String hostname = null;
		String username = null;
		String password = null;
		try
		{
		  BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		  System.out.print("Enter hostname : ");
		  hostname = reader.readLine();
	      System.out.print("Enter username : ");
		  username = reader.readLine();
		  System.out.print("Enter password : ");
	      password = reader.readLine();
	      reader.close();
	      
	      SFTPExample example = new SFTPExample(hostname, username, password);
	      example.openConnection();
	      example.setRemoteDir("/remoteDir");
	      example.setLocalDir("/localDir");
	      example.uploadFile("*.*"); 
	      example.closeConnection();
	    } 
		catch(Exception e) 
	    {
	      e.printStackTrace();
	    } 
		
	}
}