Add BookReplaceCommand

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/util/BookReplaceCommand.java

@@ -0,0 +1,51 @@
+package de.steamwar.bausystem.features.util;
+
+import de.steamwar.bausystem.linkage.LinkageType;
+import de.steamwar.bausystem.linkage.Linked;
+import de.steamwar.command.SWCommand;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.BookMeta;
+import org.bukkit.inventory.meta.ItemMeta;
+
+import java.util.List;
+
+@Linked(LinkageType.COMMAND)
+public class BookReplaceCommand extends SWCommand {
+
+    public BookReplaceCommand() {
+        super("bookreplace");
+    }
+
+    @Register("color")
+    public void color(Player player) {
+        ItemStack itemStack = player.getInventory().getItemInMainHand();
+        ItemMeta itemMeta = itemStack.getItemMeta();
+        if (itemMeta instanceof BookMeta) {
+            BookMeta bookMeta = (BookMeta) itemMeta;
+            replace(bookMeta, '&', '§');
+            itemStack.setItemMeta(bookMeta);
+            player.getInventory().setItemInMainHand(itemStack);
+        }
+    }
+
+    @Register("uncolor")
+    public void uncolor(Player player) {
+        ItemStack itemStack = player.getInventory().getItemInMainHand();
+        ItemMeta itemMeta = itemStack.getItemMeta();
+        if (itemMeta instanceof BookMeta) {
+            BookMeta bookMeta = (BookMeta) itemMeta;
+            replace(bookMeta, '§', '&');
+            itemStack.setItemMeta(bookMeta);
+            player.getInventory().setItemInMainHand(itemStack);
+        }
+    }
+
+    private void replace(BookMeta bookMeta, char oldChar, char newChar) {
+        List<String> stringList = bookMeta.getPages();
+        for (int i = 0; i < stringList.size(); i++) {
+            String string = stringList.get(i);
+            bookMeta.setPage(i + 1, string.replace(oldChar, newChar));
+        }
+    }
+}