mirror of https://github.com/GeyserMC/Geyser.git
272 lines
10 KiB
Java
272 lines
10 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.text;
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import it.unimi.dsi.fastutil.objects.ObjectArrays;
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import org.checkerframework.checker.nullness.qual.Nullable;
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import org.geysermc.geyser.GeyserBootstrap;
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import org.geysermc.geyser.GeyserImpl;
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import java.io.*;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.text.MessageFormat;
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import java.util.HashMap;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Properties;
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public class GeyserLocale {
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/**
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* If we determine the default locale that the user wishes to use, use that locale
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*/
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private static String DEFAULT_LOCALE;
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/**
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* Whether the system locale cannot be loaded by Geyser.
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*/
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private static boolean SYSTEM_LOCALE_INVALID;
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private static final Map<String, Properties> LOCALE_MAPPINGS = new HashMap<>();
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/**
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* Loads the initial locale(s) with the help of the bootstrap.
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*/
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public static void init(GeyserBootstrap bootstrap) {
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String defaultLocale = formatLocale(Locale.getDefault().getLanguage() + "_" + Locale.getDefault().getCountry());
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String loadedLocale = loadGeyserLocale(defaultLocale, bootstrap);
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if (loadedLocale != null) {
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DEFAULT_LOCALE = loadedLocale;
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// Load English as a backup in case something goes really wrong
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if (!"en_US".equals(loadedLocale)) {
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loadGeyserLocale("en_US", bootstrap);
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}
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SYSTEM_LOCALE_INVALID = false;
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} else {
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DEFAULT_LOCALE = loadGeyserLocale("en_US", bootstrap);
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if (DEFAULT_LOCALE == null) {
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// en_US can't be loaded?
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throw new IllegalStateException("English locale not found in Geyser. Did you clone the submodules? (git submodule update --init)");
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}
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SYSTEM_LOCALE_INVALID = true;
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}
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}
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/**
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* Finalize the default locale, now that we know what the default locale should be.
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*/
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public static void finalizeDefaultLocale(GeyserImpl geyser) {
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String newDefaultLocale = geyser.getConfig().getDefaultLocale();
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if (newDefaultLocale == null) {
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// We want to use the system locale which is already loaded
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return;
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}
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String loadedNewLocale = loadGeyserLocale(newDefaultLocale, geyser.getBootstrap());
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if (loadedNewLocale != null) {
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// The config's locale is valid
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DEFAULT_LOCALE = loadedNewLocale;
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} else if (SYSTEM_LOCALE_INVALID) {
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geyser.getLogger().warning(Locale.getDefault().toString() + " is not a valid Bedrock language.");
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}
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}
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public static String getDefaultLocale() {
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return DEFAULT_LOCALE;
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}
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/**
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* Loads a Geyser locale from resources, if the file doesn't exist it just logs a warning
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*
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* @param locale Locale to load
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*/
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public static void loadGeyserLocale(String locale) {
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GeyserImpl geyser = GeyserImpl.getInstance();
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if (geyser == null) {
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throw new IllegalStateException("Geyser instance cannot be null when loading a locale!");
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}
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loadGeyserLocale(locale, geyser.getBootstrap());
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}
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private static @Nullable String loadGeyserLocale(String locale, GeyserBootstrap bootstrap) {
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locale = formatLocale(locale);
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// Don't load the locale if it's already loaded.
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if (LOCALE_MAPPINGS.containsKey(locale)) {
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return locale;
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}
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Properties localeProp = new Properties();
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File localLanguage;
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Path localFolder = bootstrap.getConfigFolder().resolve("languages");
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if (Files.exists(localFolder)) {
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localLanguage = localFolder.resolve(locale + ".properties").toFile();
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} else {
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localLanguage = null;
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}
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boolean validLocalLanguage = localLanguage != null && localLanguage.exists();
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InputStream localeStream = bootstrap.getResourceOrNull("languages/texts/" + locale + ".properties");
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// Load the locale
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if (localeStream != null) {
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try {
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try (InputStreamReader reader = new InputStreamReader(localeStream, StandardCharsets.UTF_8)) {
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localeProp.load(reader);
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} catch (Exception e) {
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throw new AssertionError(getLocaleStringLog("geyser.language.load_failed", locale), e);
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}
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// Insert the locale into the mappings
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LOCALE_MAPPINGS.put(locale, localeProp);
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} finally {
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try {
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localeStream.close();
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} catch (IOException ignored) {}
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}
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} else {
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if (GeyserImpl.getInstance() != null && !validLocalLanguage) {
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// Don't warn on missing locales if a local file has been found
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GeyserImpl.getInstance().getLogger().warning("Missing locale: " + locale);
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}
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}
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// Load any language overrides that exist after, to override any strings that we just added
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// By loading both, we ensure that if a language string doesn't exist in the custom properties folder,
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// it's loaded from our jar
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if (validLocalLanguage) {
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try (InputStream stream = new FileInputStream(localLanguage)) {
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localeProp.load(stream);
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} catch (IOException e) {
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String message = "Unable to load custom language override!";
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if (GeyserImpl.getInstance() != null) {
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GeyserImpl.getInstance().getLogger().error(message, e);
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} else {
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System.err.println(message);
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e.printStackTrace();
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}
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}
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LOCALE_MAPPINGS.putIfAbsent(locale, localeProp);
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}
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return localeProp.isEmpty() ? null : locale;
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}
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/**
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* Get a formatted language string with the default locale for Geyser
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*
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* @param key Language string to translate
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* @return Translated string or the original message if it was not found in the given locale
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*/
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public static String getLocaleStringLog(String key) {
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return getLocaleStringLog(key, ObjectArrays.EMPTY_ARRAY);
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}
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/**
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* Get a formatted language string with the default locale for Geyser
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*
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* @param key Language string to translate
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* @param values Values to put into the string
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* @return Translated string or the original message if it was not found in the given locale
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*/
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public static String getLocaleStringLog(String key, Object... values) {
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return getPlayerLocaleString(key, getDefaultLocale(), values);
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}
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/**
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* Get a formatted language string with the given locale for Geyser
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*
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* @param key Language string to translate
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* @param locale Locale to translate to
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* @return Translated string or the original message if it was not found in the given locale
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*/
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public static String getPlayerLocaleString(String key, String locale) {
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return getPlayerLocaleString(key, locale, ObjectArrays.EMPTY_ARRAY);
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}
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/**
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* Get a formatted language string with the given locale for Geyser
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*
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* @param key Language string to translate
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* @param locale Locale to translate to
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* @param values Values to put into the string
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* @return Translated string or the original message if it was not found in the given locale
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*/
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public static String getPlayerLocaleString(String key, String locale, Object... values) {
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locale = formatLocale(locale);
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Properties properties = LOCALE_MAPPINGS.get(locale);
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String formatString = null;
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if (properties != null) {
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formatString = properties.getProperty(key);
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}
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// Try and get the key from the default locale
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if (formatString == null) {
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properties = LOCALE_MAPPINGS.get(getDefaultLocale());
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formatString = properties.getProperty(key);
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// Try and get the key from en_US (this should only ever happen in development)
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if (formatString == null) {
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properties = LOCALE_MAPPINGS.get("en_US");
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formatString = properties.getProperty(key);
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// Final fallback
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if (formatString == null) {
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return key;
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}
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}
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}
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String message = formatString.replace("&", "\u00a7");
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if (values == null || values.length == 0) {
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// Nothing to replace
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return message;
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}
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return MessageFormat.format(message.replace("'", "''"), values);
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}
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/**
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* Cleans up and formats a locale string
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*
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* @param locale The locale to format
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* @return The formatted locale
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*/
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public static String formatLocale(String locale) {
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// Currently, all valid Geyser locales follow the same pattern of ll_CC, where ll is the language and
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// CC is the country
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if (locale.length() != 5 || locale.indexOf('_') != 2) {
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// Invalid locale
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return locale;
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}
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String language = locale.substring(0, 2);
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String country = locale.substring(3);
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return language.toLowerCase(Locale.ENGLISH) + "_" + country.toUpperCase(Locale.ENGLISH);
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}
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}
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