Cleaner lang converter implementation

pack-schema/api/src/main/java/org/geysermc/pack/bedrock/resource/BedrockResourcePack.java

@@ -48,6 +48,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 import static org.geysermc.pack.util.FileUtil.exportJson;
+import static org.geysermc.pack.util.FileUtil.exportProperties;
 
 /**
  * Represents a Bedrock resource pack.
@@ -68,6 +69,7 @@ public class BedrockResourcePack {
     private TerrainTexture terrainTexture;
     private Map<String, Attachables> attachables;
     private SoundDefinitions soundDefinitions;
+    private Languages languages;
     private Map<String, RenderControllers> renderControllers;
 
     public BedrockResourcePack(@NotNull Path directory) {
@@ -213,6 +215,25 @@ public class BedrockResourcePack {
         this.soundDefinitions = soundDefinitions;
     }
 
+    /**
+     * Get the languages of the resource pack.
+     *
+     * @return the languages of the resource pack
+     */
+    @Nullable
+    public Languages languages() {
+        return this.languages;
+    }
+
+    /**
+     * Set the languages of the resource pack.
+     *
+     * @param languages the languages of the resource pack
+     */
+    public void languages(@Nullable Languages languages) {
+        this.languages = languages;
+    }
+
     /**
      * Add an item to the resource pack.
      *
@@ -325,6 +346,20 @@ public class BedrockResourcePack {
         this.soundDefinitions.soundDefinitions().put(id, soundDefinition);
     }
 
+    /**
+     * Add a language to the resource pack.
+     *
+     * @param languageCode the language code
+     * @param translationStrings the translation strings
+     */
+    public void addLanguage(@NotNull String languageCode, @NotNull Map<String, String> translationStrings) {
+        if (this.languages == null) {
+            this.languages = new Languages();
+        }
+
+        this.languages.language(languageCode, translationStrings);
+    }
+
     /**
      * Exports the resource pack to the specified directory.
      *
@@ -363,5 +398,13 @@ public class BedrockResourcePack {
         if (this.soundDefinitions != null) {
             exportJson(GSON, this.directory.resolve("sounds/sound_definitions.json"), this.soundDefinitions);
         }
+
+        if (this.languages != null) {
+            exportJson(GSON, this.directory.resolve("texts/languages.json"), this.languages.languageCodes());
+
+            for (Map.Entry<String, Map<String, String>> language : this.languages.languages().entrySet()) {
+                exportProperties(this.directory.resolve("texts/" + language.getKey() + ".lang"), language.getValue());
+            }
+        }
     }
 }

pack-schema/api/src/main/java/org/geysermc/pack/bedrock/resource/Languages.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2019-2023 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/PackConverter
+ *
+ */
+
+package org.geysermc.pack.bedrock.resource;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public final class Languages {
+    private final Map<String, Map<String, String>> languages = new HashMap<>();
+
+    public Map<String, Map<String, String>> languages() {
+        return Collections.unmodifiableMap(this.languages);
+    }
+
+    /**
+     * Get the language data for a specific language
+     *
+     * @param language The language code to get the data for
+     * @return The language data, or an empty map if the language does not exist
+     */
+    public Map<String, String> language(String language) {
+        return this.languages.getOrDefault(getLanguageCode(language), Map.of());
+    }
+
+    /**
+     * Set the language data for a specific language
+     *
+     * @param language The language code to set the data for
+     * @param data     The translation strings to put against the language
+     */
+    public void language(String language, Map<String, String> data) {
+        this.languages.put(getLanguageCode(language), data);
+    }
+
+    public String translation(String language, String key) {
+        return this.language(getLanguageCode(language)).getOrDefault(key, key);
+    }
+
+    /**
+     * Set the translation for a specific language
+     *
+     * @param language The language code to set the translation for
+     * @param key      The key to set the translation for
+     * @param value    The value to set the translation to
+     */
+    public void translation(String language, String key, String value) {
+        this.language(getLanguageCode(language)).put(key, value);
+    }
+
+    /**
+     * Get a list of all the language codes
+     *
+     * @return A list of all the language codes
+     */
+    public String[] languageCodes() {
+        return this.languages.keySet().toArray(new String[0]);
+    }
+
+    private String getLanguageCode(String language) {
+        String[] parts = language.split("_");
+        return parts[0] + "_" + parts[1].toUpperCase();
+    }
+}

pack-schema/api/src/main/java/org/geysermc/pack/util/FileUtil.java

@@ -33,6 +33,8 @@ import java.io.BufferedWriter;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.Map;
+import java.util.Properties;
 
 /**
  * Utility class for files.
@@ -60,4 +62,18 @@ public class FileUtil {
             gson.toJson(object, writer);
         }
     }
+
+    public static void exportProperties(@NotNull Path location, @NotNull Map<String, String> properties) throws IOException {
+        if (Files.notExists(location.getParent())) {
+            Files.createDirectories(location.getParent());
+        }
+
+        if (Files.notExists(location)) {
+            Files.createFile(location);
+        }
+
+        Properties propertiesFile = new Properties();
+        propertiesFile.putAll(properties);
+        propertiesFile.store(Files.newOutputStream(location), null);
+    }
 }