Adds an enum for encryption styles and moves chat colors to variables to make them changeable

src/main/java/net/knarcraft/bookswithoutborders/BooksWithoutBordersListener.java

@@ -384,7 +384,8 @@ public class BooksWithoutBordersListener implements Listener {
         boolean mainHand = hand == EquipmentSlot.HAND;
         if (heldItemType == Material.WRITTEN_BOOK) {
             player.closeInventory();
-            eBook = BooksWithoutBorders.bwb.encryptBook(player, mainHand, lines[2].substring(2), lines[3].substring(2));
+            eBook = BooksWithoutBorders.bwb.encryptBook(player, mainHand, ChatColor.stripColor(lines[2]),
+                    EncryptionStyle.getFromString(ChatColor.stripColor(lines[3])));
             if (eBook != null) {
                 player.getInventory().setItem(hand, eBook);
             }
@@ -398,7 +399,7 @@ public class BooksWithoutBordersListener implements Listener {
      * @param player <p>The player which clicked the sign</p>
      */
     private void giveBook(Sign sign, Player player) {
-        String fileName = sign.getLine(2).substring(2);
+        String fileName = ChatColor.stripColor(sign.getLine(2));
         boolean isLoadListNumber = false;
 
         for (int x = 0; x < fileName.length(); x++) {
@@ -411,7 +412,7 @@ public class BooksWithoutBordersListener implements Listener {
         }
 
         if (!isLoadListNumber && sign.getLine(3).length() >= 2)
-            fileName = sign.getLine(2).substring(2) + sign.getLine(3).substring(2);
+            fileName = ChatColor.stripColor(sign.getLine(2)) + ChatColor.stripColor(sign.getLine(3));
 
         ItemStack newBook = BooksWithoutBorders.bwb.loadBook(player, fileName, "true", "public");
 

src/main/java/net/knarcraft/bookswithoutborders/EncryptionStyle.java

@@ -0,0 +1,30 @@
+package net.knarcraft.bookswithoutborders;
+
+/**
+ * This enum represents the different available encryption styles
+ */
+public enum EncryptionStyle {
+    DNA("dna"),
+    MAGIC("magic"),
+    SUBSTITUTION("");
+
+    private final String name;
+
+    EncryptionStyle(String name) {
+        this.name = name;
+    }
+
+    /**
+     * Gets an encryption style given its name
+     * @param name <p>The name of the encryption style</p>
+     * @return <p>An encryption style or null if no match is found</p>
+     */
+    public static EncryptionStyle getFromString(String name) {
+        for (EncryptionStyle style : EncryptionStyle.values()) {
+            if (style.name.equalsIgnoreCase(name)) {
+                return style;
+            }
+        }
+        return null;
+    }
+}