From ec8bc0989aeea758ac31b27d8fd16cf999943cfe Mon Sep 17 00:00:00 2001
From: Mikhail Mikhaylenko <sniff303@yandex.ru>
Date: Mon, 7 Dec 2015 19:23:12 +0300
Subject: [PATCH] Modernize Java code a bit

---
 java/FuckingCoffee.java  | 41 ++++++++++++++++++++++++++++++++++++++++
 java/fucking_coffee.java | 34 ---------------------------------
 2 files changed, 41 insertions(+), 34 deletions(-)
 create mode 100644 java/FuckingCoffee.java
 delete mode 100644 java/fucking_coffee.java

diff --git a/java/FuckingCoffee.java b/java/FuckingCoffee.java
new file mode 100644
index 00000000..c153855c
--- /dev/null
+++ b/java/FuckingCoffee.java
@@ -0,0 +1,41 @@
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.net.Socket;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+public class FuckingCoffee {
+
+    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 final long DELAY_BEFORE_BREW = TimeUnit.SECONDS.toMillis(17);
+    private static final long DELAY = TimeUnit.SECONDS.toMillis(24);
+
+    public static void main(String... args) throws Exception {
+        try (BufferedReader buffer = new BufferedReader(
+                new InputStreamReader(Runtime.getRuntime().exec("who -q").getInputStream())
+        )) {
+            String whoOutput = buffer.lines().collect(Collectors.joining(System.lineSeparator()));
+            if (!whoOutput.contains(System.getProperty("user.name"))) {
+                return;
+            }
+        }
+
+        try (Socket telnet = new Socket(COFFEE_MACHINE_IP, 23);
+             BufferedReader in = new BufferedReader(new InputStreamReader(telnet.getInputStream()));
+             PrintWriter out = new PrintWriter(telnet.getOutputStream(), true)
+        ) {
+            Thread.sleep(DELAY_BEFORE_BREW);
+            if (!PASSWORD_PROMPT.equals(in.readLine())) {
+                return;
+            }
+            out.println(PASSWORD);
+            out.println("sys brew");
+            Thread.sleep(DELAY);
+            out.println("sys pour");
+        }
+
+    }
+}
diff --git a/java/fucking_coffee.java b/java/fucking_coffee.java
deleted file mode 100644
index 569314ac..00000000
--- a/java/fucking_coffee.java
+++ /dev/null
@@ -1,34 +0,0 @@
-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();
-    }
-}