Sling java development apache

Hi i have source code in this link : [login to view URL] this source code deal with FTP api server i want to modify this source code to deal with SFTP server api . you can use Apache Mina for me doesnt matter if it will work the same function using Sling . my budget for this 50 $ time : 1-2 days who can quickly deliver will be great . please just who are interesting bid for this time and this budget check the code please and tell me after that if you will do it . you have to deliver jar file to test first then i can proceed the payment i cannot make milstone who want long work chat with me please Thanks for reading and interestings.