locale files, maybe

src/main/java/me/youhavetrouble/blockedit/BELocale.java

@@ -0,0 +1,33 @@
+package me.youhavetrouble.blockedit;
+
+import com.google.gson.JsonObject;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+
+public class BELocale {
+
+    private static final Map<Locale, BELocale> locales = new HashMap<>();
+    private static final Locale defaultLocale = Locale.ENGLISH;
+
+    public final String COULD_NOT_FIND_WAND_BY_ID;
+
+
+    protected BELocale(JsonObject json) {
+        COULD_NOT_FIND_WAND_BY_ID = json.get("could_not_find_wand_by_id").getAsString();
+    }
+
+    protected static void registerLocale(Locale locale, BELocale blockEditLocale) {
+        locales.put(locale, blockEditLocale);
+        System.out.println("Registered locale " + locale.getISO3Country() + " " + locale.getISO3Language());
+    }
+
+    public static BELocale getLocale(@NotNull Locale locale) {
+        BELocale beLocale = locales.get(locale);
+        if (beLocale == null) beLocale = locales.get(defaultLocale);
+        return beLocale;
+    }
+
+}

src/main/java/me/youhavetrouble/blockedit/BlockEdit.java

@@ -1,8 +1,15 @@
 package me.youhavetrouble.blockedit;
 
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import com.google.gson.stream.JsonReader;
 import me.youhavetrouble.blockedit.wands.SelectionWand;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.io.*;
+import java.util.List;
+import java.util.Locale;
+
 public final class BlockEdit extends JavaPlugin {
 
     private static BlockEdit plugin;
@@ -13,6 +20,12 @@ public final class BlockEdit extends JavaPlugin {
     public void onEnable() {
         plugin = this;
 
+        if (!initLocales()) {
+            plugin.getSLF4JLogger().error("Could not load locale files");
+            plugin.getServer().getPluginManager().disablePlugin(plugin);
+            return;
+        }
+
         getServer().getPluginManager().registerEvents(new JoinLeaveListener(), this);
 
         schematicHandler = new SchematicHandler(this);
@@ -37,4 +50,41 @@ public final class BlockEdit extends JavaPlugin {
         return wandsHandler;
     }
 
+    private boolean initLocales() {
+        List<String> localeFiles;
+        try (InputStream in = BlockEdit.class.getClassLoader().getResourceAsStream("locale");
+             BufferedReader br = new BufferedReader(new InputStreamReader(in))) {
+            localeFiles = br.lines().toList();
+        } catch (IOException e) {
+            plugin.getSLF4JLogger().error("Error loading locale files", e);
+            return false;
+        }
+
+        Gson gson = new Gson();
+        for (String fileName : localeFiles) {
+            Locale locale;
+            try {
+                String localeString = fileName.replace(".json", "");
+                String[] split = localeString.split("_");
+                if (split.length == 1) {
+                    locale = Locale.of(split[0]);
+                } else {
+                    locale = Locale.of(split[0], split[1]);
+                }
+            } catch (IllegalArgumentException e) {
+                plugin.getSLF4JLogger().error("Invalid locale file name: {}", fileName);
+                continue;
+            }
+            try (InputStream fileStream = BlockEdit.class.getClassLoader().getResourceAsStream("locale/" + fileName);
+                JsonReader reader = new JsonReader(new InputStreamReader(fileStream))) {
+                JsonObject json = gson.fromJson(reader, JsonObject.class);
+                BELocale beLocale = new BELocale(json);
+                BELocale.registerLocale(locale, beLocale);
+            } catch (IOException e) {
+                plugin.getSLF4JLogger().error("Error reading locale file: {}", fileName, e);
+            }
+        }
+        return true;
+    }
+
 }

src/main/resources/locale/en_us.json

@@ -0,0 +1,3 @@
+{
+  "could_not_find_wand_by_id": "Could not find wand with id %s"
+}