Added java directory + fucking_coffee.java

java/fucking_coffee.java

@@ -0,0 +1,34 @@
+import java.net.*;
+import java.io.*;
+
+public class fucking_coffee{
+
+    private static final String MY_USERNAME = "my_username";
+    private static final String PASSWORD_PROMPT = "Password: ";
+    private static final String PASSWORD = "1234";
+    private static final String COFFEE_MACHINE_IP = "10.10.42.42";
+    private static int DELAY_BEFORE_BREW = 17;
+    private static int DELAY = 24;
+
+    public static void main(String[] args)throws Exception{
+        for(int i =  1; i< args.length ; i++){
+            if(!args[i].contains(MY_USERNAME)){
+                return;
+            }
+        }
+        Socket telnet = new Socket(COFFEE_MACHINE_IP, 23);
+        PrintWriter out = new PrintWriter(telnet.getOutputStream(), true);
+        BufferedReader in = new BufferedReader(new InputStreamReader(telnet.getInputStream()));
+        Thread.sleep(DELAY_BEFORE_BREW*1000);
+        if(in.readLine() != PASSWORD_PROMPT){
+            return ;
+        }
+        out.println(PASSWORD);
+        out.println("sys brew");
+        Thread.sleep(DELAY*1000);
+        out.println("sys pour");
+        out.close();
+        in.close();
+        telnet.close();
+    }
+}