71 lines
2.7 KiB
Java
71 lines
2.7 KiB
Java
package com.university.chat.Server;
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import com.university.chat.Common.ChatMessage;
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import com.university.chat.Common.FileMessage;
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import java.io.IOException;
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import java.net.Socket;
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import java.nio.file.Files;
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public class ClientSession implements Runnable {
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private String username;
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public ClientSession(Socket socket, UserManager userManager) {
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// TODO : Create an ObjectOutputStream from socket.getOutputStream()
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// and an ObjectInputStream from socket.getInputStream().
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}
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@Override
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public void run() {
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try {
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// TODO: Welcome the user (login step)
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// 1. Read the first object sent by the client.
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// 2. Check it's a ChatMessage with type LOGIN.
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// 3. Extract the username.
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// 4. Try to register the user via userManager.addUser(...).
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// 5. If the username is taken, send back LOGIN_FAILED and close the socket.
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// 6. Otherwise, create the user's folders with FileManager.createUserFolders(...)
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// and send back LOGIN_SUCCESS.
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// TODO: Main message loop
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// In a loop, call in.readObject(), you can separate messages by their type:
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// - if it's a ChatMessage -> call handleChatMessage(msg)
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// - if it's a FileMessage -> call handleFileMessage(fileMsg)
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// Keep looping until the connection is closed (an exception will be thrown).
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} catch (Exception e) {
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System.out.println("Disconnected: " + username);
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} finally {
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// TODO: Remove the user from UserManager so they no longer
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// receive broadcasts or appear in users list
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}
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}
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private void handleChatMessage(ChatMessage msg) throws IOException {
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switch (msg.getType()) {
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case PUBLIC_MESSAGE -> {
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// TODO: Broadcast this message to every connected client.
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}
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case PRIVATE_MESSAGE -> {
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// TODO: Forward this message to the receiver user.
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}
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case USER_LIST -> {
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// TODO: Reply to the requester with the list of online users.
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}
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}
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}
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private void handleFileMessage(FileMessage fileMsg) throws IOException {
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// Storing the file
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var sentPath = FileManager.getSentPath(fileMsg.getSender(), fileMsg.getFilename());
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var recvPath = FileManager.getReceivedPath(fileMsg.getReceiver(), fileMsg.getFilename());
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Files.write(sentPath, fileMsg.getData());
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Files.write(recvPath, fileMsg.getData());
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// TODO: Forward the received file-message to the destination user.
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}
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} |