Driver Station

Added a java implementation of the FRC Network Communication
Protocol. The majority of network related code was written by
Brendan McLeod, and I have adapted a front end that listens for
input from standard input.

Change-Id: Id9e4d5b52425e56bf8a848b17390fb83b9e75d29

driver-station/src/main/java/edu/wpi/first/driverstation/ReadThread.java

@@ -0,0 +1,42 @@
+package edu.wpi.first.driverstation;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.Socket;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class ReadThread implements Runnable {
+
+	private final Logger log = Logger.getLogger(DriverStation.class.getName());
+	Socket sock;
+	DriverStation ds;
+
+	public ReadThread(Socket sock, DriverStation ds) {
+		this.sock = sock;
+		this.ds = ds;
+	}
+
+	@Override
+	public void run() {
+		try {
+			BufferedReader netIn = new BufferedReader(new InputStreamReader(
+					sock.getInputStream()));
+			while (!Thread.interrupted()) {
+				String com = netIn.readLine();
+				log.log(Level.FINE, "Received command " + com);
+				ds.addCommand(com);
+			}
+		} catch (IOException e) {
+			log.log(Level.WARNING, "IO Exception in net thread", e);
+		} finally {
+			try {
+				sock.close();
+			} catch (IOException | NullPointerException ex) {
+				log.log(Level.SEVERE, "Error when closing the socket", ex);
+			}
+		}
+	}
+
+}