forked from GeyserMC/Geyser
208 lines
8.1 KiB
Java
208 lines
8.1 KiB
Java
/*
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* Copyright (c) 2019-2021 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.connector.utils;
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import org.geysermc.connector.GeyserConnector;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.nio.charset.StandardCharsets;
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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 LanguageUtils {
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/**
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* If we determine the locale that the user wishes to use, use that locale
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*/
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private static String CACHED_LOCALE;
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private static final Map<String, Properties> LOCALE_MAPPINGS = new HashMap<>();
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static {
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// Load it as a backup in case something goes really wrong
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if (!"en_US".equals(formatLocale(getDefaultLocale()))) { // getDefaultLocale() loads the locale automatically
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loadGeyserLocale("en_US");
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}
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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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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)) return;
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InputStream localeStream = GeyserConnector.class.getClassLoader().getResourceAsStream("languages/texts/" + locale + ".properties");
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// Load the locale
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if (localeStream != null) {
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Properties localeProp = new Properties();
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try {
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localeProp.load(new InputStreamReader(localeStream, StandardCharsets.UTF_8));
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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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} else {
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if (GeyserConnector.getInstance() != null && GeyserConnector.getInstance().getLogger() != null) {
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GeyserConnector.getInstance().getLogger().warning("Missing locale: " + locale);
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}
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}
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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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* @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(formatLocale(getDefaultLocale()));
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formatString = properties.getProperty(key);
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}
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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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}
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// Final fallback
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if (formatString == null) {
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formatString = key;
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}
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return MessageFormat.format(formatString.replace("'", "''").replace("&", "\u00a7"), 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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try {
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String[] parts = locale.toLowerCase().split("_");
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return parts[0] + "_" + parts[1].toUpperCase();
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} catch (Exception e) {
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return locale;
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}
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}
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/**
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* Get the default locale that Geyser should use
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* @return the current default locale
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*/
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public static String getDefaultLocale() {
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if (CACHED_LOCALE != null) return CACHED_LOCALE; // We definitely know the locale the user is using
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String locale;
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boolean isValid = true;
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if (GeyserConnector.getInstance() != null &&
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GeyserConnector.getInstance().getConfig() != null &&
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GeyserConnector.getInstance().getConfig().getDefaultLocale() != null) { // If the config option for getDefaultLocale does not equal null, use that
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locale = formatLocale(GeyserConnector.getInstance().getConfig().getDefaultLocale());
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if (isValidLanguage(locale)) {
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CACHED_LOCALE = locale;
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return locale;
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} else {
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isValid = false;
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}
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}
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locale = formatLocale(Locale.getDefault().getLanguage() + "_" + Locale.getDefault().getCountry());
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if (!isValidLanguage(locale)) { // Bedrock does not support this language
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locale = "en_US";
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loadGeyserLocale(locale);
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}
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if (GeyserConnector.getInstance() != null &&
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GeyserConnector.getInstance().getConfig() != null && (GeyserConnector.getInstance().getConfig().getDefaultLocale() == null || !isValid)) { // Means we should use the system locale for sure
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CACHED_LOCALE = locale;
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}
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return locale;
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}
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/**
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* Ensures that the given locale is supported by Bedrock
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* @param locale the locale to validate
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* @return true if the given locale is supported by Bedrock and by extension Geyser
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*/
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private static boolean isValidLanguage(String locale) {
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boolean result = true;
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if (FileUtils.class.getResource("/languages/texts/" + locale + ".properties") == null) {
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result = false;
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if (GeyserConnector.getInstance() != null && GeyserConnector.getInstance().getLogger() != null) { // Could be too early for these to be initialized
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if (locale.equals("en_US")) {
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GeyserConnector.getInstance().getLogger().error("English locale not found in Geyser. Did you clone the submodules? (git submodule update --init)");
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} else {
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GeyserConnector.getInstance().getLogger().warning(locale + " is not a valid Bedrock language."); // We can't translate this since we just loaded an invalid language
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}
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}
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} else {
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if (!LOCALE_MAPPINGS.containsKey(locale)) {
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loadGeyserLocale(locale);
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}
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}
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return result;
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}
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public static void init() {
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// no-op
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}
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}
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