Initial networking setup is complete. At the moment, received current…

… and desired temperatures are just spat out to the console.

src/networking/networking.java

@@ -0,0 +1,87 @@
+package networking;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+public interface networking {
+	// Listen for the current temperature on port 7000
+    static final int receiveCurrentTempPORT = 7000;
+    // Send the current temperature on port 7000
+    static final int sendCurrentTempPORT = 7000;
+    // Listen for the desired temperature on port 7001
+    static final int receiveDesiredTempPORT = 7001;
+    // Send the desired temperature on port 7001
+    static final int sendDesiredTempPORT = 7001;
+
+    // Listens on receiveCurrentTempPORT and outputs the received string to console.
+    public static void receiveCurrentTemp() throws Exception {
+        ServerSocket listener = new ServerSocket(receiveCurrentTempPORT);
+        try {
+        	// This stays running continuously once called.
+        	while (true) {
+        		Socket socket = listener.accept();
+        		try {
+        	        BufferedReader input =
+        	                new BufferedReader(new InputStreamReader(socket.getInputStream()));
+        	            int currentTemperature = Integer.parseInt(input.readLine());
+        			System.out.printf("The current temperature is:", currentTemperature);
+        		} finally {
+        			socket.close();
+        		}
+        	}
+        }
+        finally {
+        	listener.close();
+        }
+    }
+
+    // Listens on receiveDesiredTempPORT and outputs the received string to console.
+    public static void receiveDesiredTemp() throws Exception {
+        ServerSocket listener = new ServerSocket(receiveDesiredTempPORT);
+        try {
+        	while (true) {
+        		Socket socket = listener.accept();
+        		try {
+        	        BufferedReader input =
+        	                new BufferedReader(new InputStreamReader(socket.getInputStream()));
+    	            int currentTemperature = Integer.parseInt(input.readLine());
+        	        System.out.printf("The desired temperature is:", currentTemperature);
+        		} finally {
+        			socket.close();
+        		}
+        	}
+        }
+        finally {
+        	listener.close();
+        }
+    }
+
+    // Sends the current temperature on port sendCurrentTempPORT. 
+    public static void sendCurrentTemp(int currentTemperature, String thermostatIP) throws Exception {
+    	Socket sender = new Socket(thermostatIP, sendCurrentTempPORT);
+    	try {
+    		while (true) {
+    	    	PrintWriter out = new PrintWriter(sender.getOutputStream(), true);
+    	    	out.println(currentTemperature);
+    		}
+    	} finally {
+    		sender.close();
+    	}
+    }
+
+    // Sends the desired temperature on port sendCurrentTempPORT. 
+    public static void sendDesiredTemp(int desiredTemperature, String thermostatIP) throws Exception {
+    	Socket sender = new Socket(thermostatIP, sendDesiredTempPORT);
+    	try {
+    		while (true) {
+    	    	PrintWriter out = new PrintWriter(sender.getOutputStream(), true);
+    	    	out.println(desiredTemperature);
+    		}
+    	} finally {
+    		sender.close();
+    	}
+    }
+}

src/testing/Networking_Test.java

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+package testing;
+
+import networking.networking;
+
+public class Networking_Test implements networking {
+	public void Networking_test() {
+		this.serverCurrentTemperatureListener();
+	}
+
+	public void serverCurrentTemperatureListener() {
+		this.serverCurrentTemperatureListener();
+	}
+}