Adding basic java support

tplink-smartplug.java

@@ -0,0 +1,60 @@
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.Socket;
+
+/**
+ * 
+ * @author pbuckley <pbuckley4192@gmail.com>
+ * 
+ * This class is a java implementation of sending commands to a TPLink smart plug.
+ * 
+ * At the moment, it only encrypts and sends the commands.
+ */
+public class TPLink {
+
+	private final static int PORT = 9999;
+
+	public static void main(String[] args) {
+
+		Socket s = null;
+		try {
+			s = new Socket(args[0], PORT);
+			System.out.println(s.isConnected() ? "Connected to Device" : "Device Connection Failed");
+			System.out.println("Sending Command: " + args[1]);
+
+			DataOutputStream writer = new DataOutputStream(s.getOutputStream());
+			writer.write(encrypt(args[1]));
+
+		} catch (IOException e) {
+			e.printStackTrace();
+		} finally {
+			if (s != null) {
+				try {
+					s.close();
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+			}
+		}
+
+		System.out.println("Closing");
+
+	}
+
+	public static byte[] encrypt(String s) {
+		int key = 171;
+
+		byte[] bs = new byte[s.length() + 4];
+		int count = 4;
+
+		for (char c : s.toCharArray()) {
+			char a = (char) (key ^ c);
+			if (a < 0)
+				a += 256;
+
+			key = a;
+			bs[count++] = (byte) key;
+		}
+		return bs;
+	}
+}