使用Java客户端将具有不同格式的文件上载到URL

I need to write some code in Java to upload a file(.tz format) to a URL([email protected]) by using HTTP PUT/POST and SMTP.I have no idea how to do this and my application is not a web based application i have to write a pure java client to do this. I searched the net but could not find a suitable tutorial on how to do this also i found a lot of stuff where in they are uploading file using a HTML form to a server. but that is not what i want.I need to write some code in Java to upload a f