From 83c7a8c1b46ca173dfcb3252d9136dfe15d3376d Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Mon, 9 May 2016 19:50:58 +0200
Subject: Clean keyboard handler

---
 .../epfl/xblast/client/KeyboardEventHandler.java   | 27 ++++++++++++++--------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/src/ch/epfl/xblast/client/KeyboardEventHandler.java b/src/ch/epfl/xblast/client/KeyboardEventHandler.java
index bebc4a5..a0d3848 100644
--- a/src/ch/epfl/xblast/client/KeyboardEventHandler.java
+++ b/src/ch/epfl/xblast/client/KeyboardEventHandler.java
@@ -1,38 +1,47 @@
 package ch.epfl.xblast.client;
 
+import ch.epfl.xblast.Lists;
 import ch.epfl.xblast.PlayerAction;
 
 import java.awt.event.KeyAdapter;
 import java.awt.event.KeyEvent;
 import java.util.Map;
+import java.util.Objects;
 import java.util.function.Consumer;
 
 /**
+ * The game action keyboard event handler.
+ *
  * @author Timothée FLOURE (257420)
+ * @author Pacien TRAN-GIRARD (261948)
  */
-public class KeyboardEventHandler extends KeyAdapter{
-    private final Map<Integer,PlayerAction> playerActionMap;
-    private final Consumer consumer;
+public class KeyboardEventHandler extends KeyAdapter {
+
+    private final Map<Integer, PlayerAction> playerActionMap;
+    private final Consumer<PlayerAction> consumer;
 
     /**
      * Instantiates a new KeyboardEventHandler.
      *
      * @param playerActionMap the map of key codes to PlayerAction.
-     * @param consumer consumer related to the EventHandler
+     * @param consumer        consumer related to the EventHandler
      */
-    public KeyboardEventHandler(Map<Integer,PlayerAction> playerActionMap, Consumer<PlayerAction> consumer) {
-        this.playerActionMap = playerActionMap;
+    public KeyboardEventHandler(Map<Integer, PlayerAction> playerActionMap, Consumer<PlayerAction> consumer) {
+        this.playerActionMap = Lists.immutableMap(playerActionMap);
         this.consumer = consumer;
     }
 
     /**
-     * Executes the command related to the given keycode.
+     * Executes the command related to the given key code.
      *
      * @param e event (pressed key)
      */
     @Override
     public void keyTyped(KeyEvent e) {
-        if (playerActionMap.containsKey(e.getKeyCode()))
-            consumer.accept(playerActionMap.get(e.getKeyCode()));
+        PlayerAction act = this.playerActionMap.get(e.getKeyCode());
+
+        if (Objects.nonNull(act))
+            this.consumer.accept(act);
     }
+
 }
-- 
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