Moves the setTitle command to its own file

src/main/java/net/knarcraft/bookswithoutborders/command/CommandCopy.java

@@ -35,7 +35,7 @@ public class CommandCopy implements CommandExecutor {
         }
 
         if (args.length < 1) {
-            BooksWithoutBorders.sendErrorMessage(player, "You must specifiy the number of copies to be made!");
+            BooksWithoutBorders.sendErrorMessage(player, "You must specify the number of copies to be made!");
             return false;
         }
 
@@ -44,13 +44,13 @@ public class CommandCopy implements CommandExecutor {
         try {
             int copies = Integer.parseInt(args[0]);
             if (copies > 0) {
-                if (BooksWithoutBorders.authorOnlyCopy && !player.hasPermission("bookswithoutborders.bypassauthoronlycopy")) {
+                if (BooksWithoutBorders.authorOnlyCopy && !player.hasPermission("bookswithoutborders.bypassAuthorOnlyCopy")) {
                     if (!booksWithoutBorders.isAuthor(player, (BookMeta) Objects.requireNonNull(heldBook.getItemMeta())))
                         return false;
                 }
 
                 if (booksWithoutBorders.booksHavePrice() &&
-                        !player.hasPermission("bookswithoutborders.bypassbookprice") &&
+                        !player.hasPermission("bookswithoutborders.bypassBookPrice") &&
                         booksWithoutBorders.cannotPayForBookPrinting(player, copies)) {
                     return false;
                 }

src/main/java/net/knarcraft/bookswithoutborders/command/CommandGive.java

@@ -70,7 +70,7 @@ public class CommandGive implements CommandExecutor {
             return false;
         }
 
-        //bwb give [bookname] [player] [numCopies] [issigned]
+        //bwb give [book name] [player] [numCopies] [is signed]
         try {
 
             if (isSigned != null && copies != null) {

src/main/java/net/knarcraft/bookswithoutborders/command/CommandSetTitle.java

@@ -0,0 +1,64 @@
+package net.knarcraft.bookswithoutborders.command;
+
+import net.knarcraft.bookswithoutborders.BooksWithoutBorders;
+import net.knarcraft.bookswithoutborders.utility.InventoryHelper;
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.BookMeta;
+import org.bukkit.inventory.meta.ItemMeta;
+
+/**
+ * Command executor for the set title command
+ */
+public class CommandSetTitle implements CommandExecutor {
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if (!(sender instanceof Player player)) {
+            BooksWithoutBorders.sendErrorMessage(sender, "This command can only be used by a player!");
+            return false;
+        }
+
+        if (args.length < 1) {
+            BooksWithoutBorders.sendErrorMessage(player, "Too few command arguments!");
+            return false;
+        }
+
+        ItemStack heldItem = InventoryHelper.getHeldItem(player, true);
+        if (heldItem.getType() == Material.AIR) {
+            BooksWithoutBorders.sendErrorMessage(sender, "You must be holding an item to set title!");
+            return false;
+        }
+
+        String title = String.join(" ", args);
+        title = ChatColor.translateAlternateColorCodes('&', title);
+
+        ItemMeta itemMetadata = heldItem.getItemMeta();
+        if (itemMetadata == null) {
+            BooksWithoutBorders.sendErrorMessage(sender, "Unable to get metadata for your held item!");
+            return false;
+        }
+
+        //Get and change metadata
+        ItemMeta newMetaData;
+        if (heldItem.getType() == Material.WRITTEN_BOOK) {
+            BookMeta bookMetadata = (BookMeta) itemMetadata;
+            bookMetadata.setTitle(title);
+            newMetaData = bookMetadata;
+        } else {
+            itemMetadata.setDisplayName(title);
+            newMetaData = itemMetadata;
+        }
+
+        //Set the new metadata
+        heldItem.setItemMeta(newMetaData);
+        BooksWithoutBorders.sendSuccessMessage(sender, "Title set to " + title + "!");
+        return true;
+    }
+
+}