Client server program for file transfer in java

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 9 years, 9 months ago. Active 3 years ago. Viewed 3k times. My algorithm is somewhat like this: On Server: Create the connection between client and server. Please correct me if i am wrong somewhere in the algorithm. Wyzard Amit Vig Amit Vig 2 2 silver badges 11 11 bronze badges. Add a comment. Active Oldest Votes. For example, some things you need to decide: How does the receiving program know what filename it should save to?

Should that be sent through the socket, or should it just ask the user? How is the file size transmitted? Is it a character string? If so, how is its length indicated? With a null terminator? A newline? Is it a binary value?

If so, how big? What endianness? What does "broken down in parts" mean? Does the recipient send anything back, like a success or failure indication? What happens when the whole file has been transmitted? Should both ends assume that the connection must be closed? Or can you send multiple files through a single connection? If so, how does the sender indicate that another file will follow?

Data is writing to the output file too. Then closing and exiting. File; import java. FileOutputStream; import java. IOException; import java. ObjectInputStream; import java. ServerSocket; import java. So exiting" ; System. Now see the client code. It simply requests for a socket connection. After getting connection, it is creating the FileEvent object which contains the file details along with full content as byte stream.

Then writing the FileEvent object to socket and exiting itself. Going to exit" ; Thread. If connection is between two different computers , then in place of local host ,ip address of machine in which server is running needs to be given. After running both Client and Server , the song1. Remember, this application cannot be used to transfer file of very huge size say MB or above. The maximum size of file that can be transferred depends on the capacity of JVM using.

Basics of socket programming. Communication using TCP. Communication using UDP. Chat application in Java using socket programming. Transferring Java objects through sockets. Hi there, I would like to ask you a question regarding this file transfer program if I may. Can you please email me your email so I can ask you directly? Hi, Thanks for the code! However I have some problem at the server side. I have sent the fileEvent object throught objectoutputstream to my server.

Many FTP clients and automation utilities have since been developed for desktops, servers, mobile devices, and hardware, and FTP has been incorporated into productivity applications, such as Web page editors. Put the two programs in different folder and use two instances of terminal to run it,start the server first ie: java FTPS. Tags: file transfer protocol java program ftp implementation java program java code ftp java program to implement ftp simple ftp program in java.

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