Rename file on the FTP server

FTPClient class provides method to rename the existence file with the new name.

boolean rename(String oldName, String newName) : This is of boolean type and returns true if file is renamed successfully else false.

This method takes 2 parameters –
oldName : It is remote file which we are going to rename.
newName : It is new name given to the file.

It throws FTPConnectionClosedException and IOException.
 
** UPDATE: FTP Complete tutorial now available here.
 
Demo : File : FtpFileRename.java

package com.simplecode.com;

import java.io.IOException;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPConnectionClosedException;

class FtpFileRename {
	public static void main(String[] arg) throws IOException {
		FTPClient ftpClient = new FTPClient();
		boolean result;
		try {
			// Connect to the localhost
			ftpClient.connect("localhost");

			// login to ftp server
			result = ftpClient.login("admin", "password");

			if (result == true)
                        {
				System.out.println("Logged in Successfully !");
			}
                        else
                        {
				System.out.println("Login Fail !");
				return;
			}
			// Rename file.
			result = ftpClient.rename("/oldFile.pdf", "newFile.pdf");
			if (result == true)
                        {
				System.out.println("File renamed !");
			}
                        else
                        {
				System.out.println("File renaming failed ");
			}

		}
                catch (FTPConnectionClosedException e)
                {
			System.err.println(e);
		}
                finally
                {
			try
                        {
			ftpClient.disconnect();
			}
                        catch (FTPConnectionClosedException e)
                        {
				System.err.println(e);
			}
		}
	}
}