import org.json.JSONObject;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
public class MCPGetSourceClient {
public static void main(String[] args) {
// Minimaler Check:
// --server-ip <IP>
// --server-port <PORT>
// --token <TOKEN>
// --source-id <SOURCE_ID>
// => Das sind 4 Schlüssel und 4 Werte = 8 Strings im args[]-Array.
if (args.length < 8) {
printUsage();
return;
}
String serverIp = getArgument(args, "--server-ip");
String portStr = getArgument(args, "--server-port");
String token = getArgument(args, "--token");
String sourceId = getArgument(args, "--source-id");
// Falls eines der erforderlichen Argumente null ist -> Usage
if (serverIp == null || portStr == null || token == null || sourceId == null) {
printUsage();
return;
}
int serverPort = Integer.parseInt(portStr);
System.out.println("📤 Sending request to get source information...");
// JSON-Payload erstellen
JSONObject payload = new JSONObject();
payload.put("command", "get_source");
payload.put("token", token);
JSONObject arguments = new JSONObject();
arguments.put("sourceId", sourceId);
payload.put("arguments", arguments);
// Anfrage senden
String response = sendRequest(serverIp, serverPort, payload);
System.out.println("✔️ Response from server:");
System.out.println(response);
}
/**
* Liest einen Wert für ein bestimmtes Argument (z.B. --server-ip 127.0.0.1).
* Gibt null zurück, falls das Argument nicht gefunden wird oder kein Wert folgt.
*/
private static String getArgument(String[] args, String key) {
for (int i = 0; i < args.length - 1; i++) {
if (args[i].equals(key)) {
return args[i + 1];
}
}
return null;
}
/**
* Baut eine Socket-Verbindung zum Server auf, sendet das JSON-Payload
* und empfängt die Antwort.
*/
private static String sendRequest(String serverIp, int serverPort, JSONObject payload) {
String payloadJson = payload.toString();
try (Socket client = new Socket(serverIp, serverPort)) {
// JSON-Daten senden
OutputStream outputStream = client.getOutputStream();
byte[] data = payloadJson.getBytes(StandardCharsets.UTF_8);
outputStream.write(data);
outputStream.flush();
// Antwort empfangen
InputStream inputStream = client.getInputStream();
byte[] buffer = new byte[4096];
StringBuilder responseBuilder = new StringBuilder();
int bytesRead;
do {
bytesRead = inputStream.read(buffer);
if (bytesRead > 0) {
responseBuilder.append(new String(buffer, 0, bytesRead, StandardCharsets.UTF_8));
}
} while (bytesRead == buffer.length);
return responseBuilder.toString();
} catch (IOException e) {
return "Error: " + e.getMessage();
}
}
private static void printUsage() {
System.out.println("Usage: --server-ip <IP> --server-port <PORT> --token <TOKEN> --source-id <SOURCE_ID>");
System.out.println();
System.out.println("Example:");
System.out.println(" java -cp .;json-20241224.jar MCPGetSourceClient \\");
System.out.println(" --server-ip 127.0.0.1 --server-port 1234 --token MyToken --source-id 123");
}
}