UpdateBungeeLanguageProperties

UpdateBungeeLanguageProperties

import com.google.gson.Gson;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Properties;

class UpdateBungeeLanguageProperties {

    public static void main(String[] args) throws Exception {
        Path oldPropertiesFile = Paths.get("C:\\Users\\Martin\\Desktop\\en_us.properties.old");
        Path newJsonFile = Paths.get("C:\\Users\\Martin\\Desktop\\en_us.json");
        Path outputPropertiesFile = Paths.get("C:\\Users\\Martin\\Desktop\\en_us.properties");

        Gson gson = new Gson();
        Map json = gson.fromJson(Files.newBufferedReader(newJsonFile), Map.class);

        LinkedHashMap<Object, Object> newProperties = new LinkedHashMap<>(json);

        Properties oldProperties = new Properties();
        oldProperties.load(Files.newInputStream(oldPropertiesFile));

        newProperties.put("LEGACY_SEPARATOR","------------------- SEPARATING LEGACY STUFF -------------------");

        oldProperties.entrySet().stream()
            .filter(e -> !newProperties.containsKey(e.getKey()))
            .forEach(e -> newProperties.put(e.getKey(), e.getValue()));

        PrintWriter writer = new PrintWriter(Files.newBufferedWriter(outputPropertiesFile));
        writer.println("# (c) 2018 Mojang AB");
        writer.println("# Generated on " + LocalDateTime.now().format(DateTimeFormatter.ISO_DATE_TIME));
        writer.println("# Using this gist: https://gist.github.com/MiniDigger/0a6e5783f2511cc3d07dec45ace48f2c");
        newProperties.forEach((k, v)->writer.println(k + "=" + v));
        writer.close();
    }
}