Update Via API usage (#702)

common/src/main/java/com/viaversion/viabackwards/api/data/BackwardsMappingDataLoader.java

@@ -24,6 +24,7 @@ import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
 import java.io.File;
 import java.io.IOException;
 import java.util.Map;
+import java.util.logging.Logger;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 public class BackwardsMappingDataLoader extends MappingDataLoader {
@@ -34,11 +35,6 @@ public class BackwardsMappingDataLoader extends MappingDataLoader {
         super(dataLoaderClass, dataPath);
     }
 
-    @Override
-    public File getFile(final String name) {
-        return new File(ViaBackwards.getPlatform().getDataFolder(), name);
-    }
-
     /**
      * Returns nbt data from the plugin folder or packed assets.
      * If a file with the same name exists in the plugin folder, the data of the original packed tag will be merged with the file's tag.
@@ -49,12 +45,12 @@ public class BackwardsMappingDataLoader extends MappingDataLoader {
     public @Nullable CompoundTag loadNBTFromDir(final String name) {
         final CompoundTag packedData = loadNBT(name);
 
-        final File file = new File(ViaBackwards.getPlatform().getDataFolder(), name);
+        final File file = new File(getDataFolder(), name);
         if (!file.exists()) {
             return packedData;
         }
 
-        ViaBackwards.getPlatform().getLogger().info("Loading " + name + " from plugin folder");
+        getLogger().info("Loading " + name + " from plugin folder");
         try {
             final CompoundTag fileData = MAPPINGS_READER.read(file.toPath(), false);
             return mergeTags(packedData, fileData);
@@ -78,4 +74,14 @@ public class BackwardsMappingDataLoader extends MappingDataLoader {
         }
         return original;
     }
+
+    @Override
+    public Logger getLogger() {
+        return ViaBackwards.getPlatform().getLogger();
+    }
+
+    @Override
+    public File getDataFolder() {
+        return ViaBackwards.getPlatform().getDataFolder();
+    }
 }