Legger til en klasse som laster inn kortstokker med en metode for programmeringskort-kortstokken. Closes #23

src/main/java/inf112/fiasko/roborally/utility/DeckLoaderUtil.java

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+package inf112.fiasko.roborally.utility;
+
+import inf112.fiasko.roborally.element_properties.Action;
+import inf112.fiasko.roborally.objects.ProgrammingCard;
+import inf112.fiasko.roborally.objects.ProgrammingCardDeck;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Helper class for loading card decks
+ */
+public final class DeckLoaderUtil {
+
+    /**
+     * Returns a programming card deck containing all official programming cards
+     * @return A programming card deck with programming cards
+     * @throws IOException If the programming cards file is invalid
+     */
+    public static ProgrammingCardDeck loadProgrammingCardsDeck() throws IOException {
+        BufferedReader reader = new BufferedReader(new InputStreamReader(
+                ResourceUtil.getResourceAsInputStream("programming_cards.txt")));
+        int numberOfCards = Integer.parseInt(reader.readLine());
+        List<ProgrammingCard> programmingCardList = new ArrayList<>();
+        for (int i = 0; i < numberOfCards; i++) {
+            String cardLine = reader.readLine();
+            String[] parts = cardLine.split(" ");
+            int cardPriority = Integer.parseInt(parts[0]);
+            Action cardAction = Action.valueOf(parts[1]);
+            programmingCardList.add(new ProgrammingCard(cardPriority, cardAction));
+        }
+        return new ProgrammingCardDeck(programmingCardList);
+    }
+}