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websocket programming java as server and html java-script weeb-browser for the client

Xanthous Xenomorph answered on March 4, 2023 Popularity 1/10 Helpfulness 8/10

answer websocket programming java as server and html java-script weeb-browser for the client

websocket programming java as server and html java-script weeb-browser for the client

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i got it from chat gpt after a lot of talking

serverside:



import java.net.InetSocketAddress;
import java.util.concurrent.CompletableFuture;

import org.java_websocket.WebSocket;
import org.java_websocket.handshake.ClientHandshake;
import org.java_websocket.server.WebSocketServer;

public class WebSocketServer {
    public static void main(String[] args) throws Exception {
        WebSocketServer server = new WebSocketServer(new InetSocketAddress("localhost", 8080)) {
            @Override
            public void onOpen(WebSocket conn, ClientHandshake handshake) {
                System.out.println("Connected to client");
                conn.send("Hello from server!");
            }

            @Override
            public void onClose(WebSocket conn, int code, String reason, boolean remote) {
                System.out.println("Disconnected from client");
            }

            @Override
            public void onMessage(WebSocket conn, String message) {
                System.out.println("Received message from client: " + message);
            }

            @Override
            public void onError(WebSocket conn, Exception ex) {
                System.err.println("Error occurred:");
                ex.printStackTrace();
            }
        };

        CompletableFuture<Void> future = new CompletableFuture<>();
        server.start();
        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
            server.stop();
            future.complete(null);
        }));
        future.get();
    }
}





clientside :

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>WebSocket Client</title>
  </head>
  <body>
    <h1>WebSocket Client</h1>
    <script>
      const ws = new WebSocket('ws://localhost:8080');

      ws.onopen = () => {
        const message = prompt('Enter message: ');
        ws.send(message);
      };

      ws.onmessage = (event) => {
        console.log(`Server response: ${event.data}`);
      };
    </script>
  </body>
</html>

i havent tested it yest but looks fine as it is very simple and readable

who knows maybe , i hope so.

Popularity 1/10 Helpfulness 8/10 Language html

Source: chat.openai.com

Tags: client html java server websocket

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Contributed on Mar 04 2023

Xanthous Xenomorph

0 Answers Avg Quality 2/10

websocket programming java as server and html java-script weeb-browser for the client

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