Added ControllerClient and ControllerServer

- StartController sets up client-wide ControllerClient on socket to game server.
- RaceController now calls ControllerClient.sendKey with each keypress
- ConnectionAcceptor runs ControllerServer for each successfully connected client

#story[1089]

racevisionGame/src/main/java/visualiser/gameController/ControllerClient.java

@@ -0,0 +1,46 @@
+package visualiser.gameController;
+
+import visualiser.gameController.Keys.ControlKey;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.Socket;
+import java.nio.ByteBuffer;
+
+/**
+ * Basic service for sending key presses to game server
+ */
+public class ControllerClient  {
+    /**
+     * Socket to server
+     */
+    Socket socket;
+
+    /**
+     * Output stream wrapper for socket to server
+     */
+    DataOutputStream outputStream;
+
+    /**
+     * Initialise controller client with live socket.
+     * @param socket to server
+     */
+    public ControllerClient(Socket socket) {
+        this.socket = socket;
+        try {
+            this.outputStream = new DataOutputStream(socket.getOutputStream());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Send a keypress to server
+     * @param key to send
+     * @throws IOException if socket write fails
+     */
+    public void sendKey(ControlKey key) throws IOException {
+        // TODO - get and send action number currently corresponding to key (context dependent)
+        System.out.println(key.toString());
+    }
+}

racevisionGame/src/main/java/visualiser/gameController/ControllerServer.java

@@ -0,0 +1,51 @@
+package visualiser.gameController;
+
+import visualiser.gameController.Keys.ControlKey;
+import visualiser.gameController.Keys.KeyFactory;
+
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.net.Socket;
+
+/**
+ * Service for dispatching key press data to race from client
+ */
+public class ControllerServer implements Runnable {
+    /**
+     * Socket to client
+     */
+    private Socket socket;
+    /**
+     * Wrapper for input from client
+     */
+    private DataInputStream inputStream;
+
+    /**
+     * Initialise server-side controller with live client socket
+     * @param socket to client
+     */
+    public ControllerServer(Socket socket) {
+        this.socket = socket;
+        try {
+            this.inputStream = new DataInputStream(this.socket.getInputStream());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Wait for controller key input from client and loop.
+     */
+    @Override
+    public void run() {
+        while(true) {
+            byte[] key = new byte[1];
+            try {
+                inputStream.read(key);
+                // TODO - handle messages received
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}

racevisionGame/src/main/java/visualiser/gameController/Keys/KeyFactory.java

@@ -8,7 +8,7 @@ import javafx.scene.input.KeyCode;
 public class KeyFactory {
 
     /**
-     * Get the Control Key incharge of a key press
+     * Get the Control Key in charge of a key press
      * @param key key pressed (String value of KeyCode)
      * @return the Control Key behaviour of the key pressed.
      */