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package com.benburwell.planes.sbs;
import java.util.List;
import java.util.ArrayList;
import java.io.*;
import java.net.*;
/**
* Created by ben on 11/15/16.
*/
public class TCPDataSource implements DataSource {
private List<DataListener> subscribers = new ArrayList<>();
public TCPDataSource(String host, int port) {
new Thread(() -> {
System.out.println("Starting socket client");
Socket clientSocket;
BufferedReader socketReader;
try {
clientSocket = new Socket(host, port);
} catch (IOException e) {
System.out.println("Could not connect to " + host + " on port " + port + ": " + e.getMessage());
return;
}
try {
socketReader = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
} catch (IOException e) {
System.out.println("Could not create socket reader: " + e.getMessage());
return;
}
String receivedMessage;
while (true) {
try {
receivedMessage = socketReader.readLine();
} catch (IOException e) {
System.out.println("Error reading from socket: " + e.getMessage());
return;
}
try {
SBSPacket packet = new SBSPacket(receivedMessage);
for (DataListener subscriber : subscribers) {
subscriber.handleMessage(packet);
}
} catch (MalformedPacketException e) {
System.out.println("Discarding malformed packet: " + receivedMessage);
System.out.println(e.getMessage());
}
}
}).start();
}
public void subscribe(DataListener listener) {
this.subscribers.add(listener);
}
}
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