mirror of
https://github.com/GeyserMC/Geyser.git
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443 lines
No EOL
17 KiB
Java
443 lines
No EOL
17 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 com.fasterxml.jackson.annotation.JsonIgnoreProperties;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import com.fasterxml.jackson.databind.JsonNode;
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import lombok.Getter;
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import org.geysermc.geyser.GeyserImpl;
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import org.geysermc.geyser.network.MinecraftProtocol;
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import org.geysermc.geyser.util.FileUtils;
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import org.geysermc.geyser.util.WebUtils;
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import java.io.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.*;
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import java.util.concurrent.CompletableFuture;
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import java.util.zip.ZipFile;
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public class MinecraftLocale {
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public static final Map<String, Map<String, String>> LOCALE_MAPPINGS = new HashMap<>();
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private static final Map<String, Asset> ASSET_MAP = new HashMap<>();
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private static VersionDownload clientJarInfo;
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static {
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// Create the locales folder
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File localesFolder = GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("locales").toFile();
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//noinspection ResultOfMethodCallIgnored
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localesFolder.mkdir();
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// Download the latest asset list and cache it
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generateAssetCache().whenComplete((aVoid, ex) -> downloadAndLoadLocale(GeyserLocale.getDefaultLocale()));
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}
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/**
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* Fetch the latest versions asset cache from Mojang so we can grab the locale files later
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*/
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private static CompletableFuture<Void> generateAssetCache() {
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return CompletableFuture.supplyAsync(() -> {
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try {
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// Get the version manifest from Mojang
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VersionManifest versionManifest = GeyserImpl.JSON_MAPPER.readValue(WebUtils.getBody("https://launchermeta.mojang.com/mc/game/version_manifest.json"), VersionManifest.class);
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// Get the url for the latest version of the games manifest
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String latestInfoURL = "";
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for (Version version : versionManifest.getVersions()) {
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if (version.getId().equals(MinecraftProtocol.getJavaCodec().getMinecraftVersion())) {
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latestInfoURL = version.getUrl();
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break;
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}
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}
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// Make sure we definitely got a version
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if (latestInfoURL.isEmpty()) {
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throw new Exception(GeyserLocale.getLocaleStringLog("geyser.locale.fail.latest_version"));
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}
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// Get the individual version manifest
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VersionInfo versionInfo = GeyserImpl.JSON_MAPPER.readValue(WebUtils.getBody(latestInfoURL), VersionInfo.class);
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// Get the client jar for use when downloading the en_us locale
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GeyserImpl.getInstance().getLogger().debug(GeyserImpl.JSON_MAPPER.writeValueAsString(versionInfo.getDownloads()));
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clientJarInfo = versionInfo.getDownloads().get("client");
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GeyserImpl.getInstance().getLogger().debug(GeyserImpl.JSON_MAPPER.writeValueAsString(clientJarInfo));
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// Get the assets list
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JsonNode assets = GeyserImpl.JSON_MAPPER.readTree(WebUtils.getBody(versionInfo.getAssetIndex().getUrl())).get("objects");
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// Put each asset into an array for use later
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Iterator<Map.Entry<String, JsonNode>> assetIterator = assets.fields();
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while (assetIterator.hasNext()) {
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Map.Entry<String, JsonNode> entry = assetIterator.next();
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if (!entry.getKey().startsWith("minecraft/lang/")) {
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// No need to cache non-language assets as we don't use them
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continue;
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}
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Asset asset = GeyserImpl.JSON_MAPPER.treeToValue(entry.getValue(), Asset.class);
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ASSET_MAP.put(entry.getKey(), asset);
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}
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} catch (Exception e) {
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GeyserImpl.getInstance().getLogger().error(GeyserLocale.getLocaleStringLog("geyser.locale.fail.asset_cache", (!e.getMessage().isEmpty() ? e.getMessage() : e.getStackTrace())));
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}
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return null;
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});
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}
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/**
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* Downloads a locale from Mojang if its not already loaded
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*
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* @param locale Locale to download and load
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*/
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public static void downloadAndLoadLocale(String locale) {
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locale = locale.toLowerCase(Locale.ROOT);
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if (locale.equals("nb_no")) {
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// Different locale code - https://minecraft.fandom.com/wiki/Language
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locale = "no_no";
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}
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// Check the locale isn't already loaded
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if (!ASSET_MAP.containsKey("minecraft/lang/" + locale + ".json") && !locale.equals("en_us")) {
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if (loadLocale(locale)) {
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GeyserImpl.getInstance().getLogger().debug("Loaded locale locally while not being in asset map: " + locale);
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} else {
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GeyserImpl.getInstance().getLogger().warning(GeyserLocale.getLocaleStringLog("geyser.locale.fail.invalid", locale));
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}
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return;
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}
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GeyserImpl.getInstance().getLogger().debug("Downloading and loading locale: " + locale);
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downloadLocale(locale);
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if (!loadLocale(locale)) {
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GeyserImpl.getInstance().getLogger().warning(GeyserLocale.getLocaleStringLog("geyser.locale.fail.missing", locale));
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}
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}
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/**
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* Downloads the specified locale if its not already downloaded
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*
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* @param locale Locale to download
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*/
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private static void downloadLocale(String locale) {
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File localeFile = GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("locales/" + locale + ".json").toFile();
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// Check if we have already downloaded the locale file
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if (localeFile.exists()) {
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String curHash = "";
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String targetHash;
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if (locale.equals("en_us")) {
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try {
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File hashFile = GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("locales/en_us.hash").toFile();
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if (hashFile.exists()) {
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try (BufferedReader br = new BufferedReader(new FileReader(hashFile))) {
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curHash = br.readLine().trim();
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}
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}
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} catch (IOException ignored) { }
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if (clientJarInfo == null) {
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// Likely failed to download
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GeyserImpl.getInstance().getLogger().debug("Skipping en_US hash check as client jar is null.");
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return;
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}
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targetHash = clientJarInfo.getSha1();
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} else {
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curHash = byteArrayToHexString(FileUtils.calculateSHA1(localeFile));
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targetHash = ASSET_MAP.get("minecraft/lang/" + locale + ".json").getHash();
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}
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if (!curHash.equals(targetHash)) {
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GeyserImpl.getInstance().getLogger().debug("Locale out of date; re-downloading: " + locale);
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} else {
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GeyserImpl.getInstance().getLogger().debug("Locale already downloaded and up-to date: " + locale);
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return;
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}
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}
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// Create the en_us locale
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if (locale.equals("en_us")) {
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downloadEN_US(localeFile);
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return;
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}
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try {
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// Get the hash and download the locale
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String hash = ASSET_MAP.get("minecraft/lang/" + locale + ".json").getHash();
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WebUtils.downloadFile("https://resources.download.minecraft.net/" + hash.substring(0, 2) + "/" + hash, localeFile.toString());
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} catch (Exception e) {
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GeyserImpl.getInstance().getLogger().error("Unable to download locale file hash", e);
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}
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}
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/**
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* Loads a locale already downloaded, 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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private static boolean loadLocale(String locale) {
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File localeFile = GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("locales/" + locale + ".json").toFile();
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// Load the locale
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if (localeFile.exists()) {
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// Read the localefile
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InputStream localeStream;
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try {
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localeStream = new FileInputStream(localeFile);
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} catch (FileNotFoundException e) {
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throw new AssertionError(GeyserLocale.getLocaleStringLog("geyser.locale.fail.file", locale, e.getMessage()));
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}
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// Parse the file as json
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JsonNode localeObj;
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try {
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localeObj = GeyserImpl.JSON_MAPPER.readTree(localeStream);
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} catch (Exception e) {
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throw new AssertionError(GeyserLocale.getLocaleStringLog("geyser.locale.fail.json", locale), e);
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}
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// Parse all the locale fields
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Iterator<Map.Entry<String, JsonNode>> localeIterator = localeObj.fields();
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Map<String, String> langMap = new HashMap<>();
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while (localeIterator.hasNext()) {
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Map.Entry<String, JsonNode> entry = localeIterator.next();
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langMap.put(entry.getKey(), entry.getValue().asText());
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}
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String bedrockLocale = locale.toLowerCase(Locale.ROOT);
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if (bedrockLocale.equals("no_no")) {
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// Store this locale under the Bedrock locale so we don't need to do this check over and over
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bedrockLocale = "nb_no";
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}
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// Insert the locale into the mappings
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LOCALE_MAPPINGS.put(bedrockLocale, langMap);
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try {
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localeStream.close();
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} catch (IOException e) {
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throw new AssertionError(GeyserLocale.getLocaleStringLog("geyser.locale.fail.file", locale, e.getMessage()));
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}
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return true;
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} else {
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return false;
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}
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}
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/**
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* Download then en_us locale by downloading the server jar and extracting it from there.
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*
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* @param localeFile File to save the locale to
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*/
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private static void downloadEN_US(File localeFile) {
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try {
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// Let the user know we are downloading the JAR
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GeyserImpl.getInstance().getLogger().info(GeyserLocale.getLocaleStringLog("geyser.locale.download.en_us"));
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GeyserImpl.getInstance().getLogger().debug("Download URL: " + clientJarInfo.getUrl());
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// Download the smallest JAR (client or server)
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Path tmpFilePath = GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("tmp_locale.jar");
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WebUtils.downloadFile(clientJarInfo.getUrl(), tmpFilePath.toString());
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// Load in the JAR as a zip and extract the file
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try (ZipFile localeJar = new ZipFile(tmpFilePath.toString())) {
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try (InputStream fileStream = localeJar.getInputStream(localeJar.getEntry("assets/minecraft/lang/en_us.json"))) {
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try (FileOutputStream outStream = new FileOutputStream(localeFile)) {
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// Write the file to the locale dir
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byte[] buf = new byte[fileStream.available()];
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int length;
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while ((length = fileStream.read(buf)) != -1) {
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outStream.write(buf, 0, length);
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}
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// Flush all changes to disk and cleanup
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outStream.flush();
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}
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}
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}
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// Store the latest jar hash
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FileUtils.writeFile(GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("locales/en_us.hash").toString(), clientJarInfo.getSha1().toCharArray());
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// Delete the nolonger needed client/server jar
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Files.delete(tmpFilePath);
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GeyserImpl.getInstance().getLogger().info(GeyserLocale.getLocaleStringLog("geyser.locale.download.en_us.done"));
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} catch (Exception e) {
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GeyserImpl.getInstance().getLogger().error(GeyserLocale.getLocaleStringLog("geyser.locale.fail.en_us"), e);
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}
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}
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/**
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* Translate the given language string into the given locale, or falls back to the default locale
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*
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* @param messageText 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 getLocaleString(String messageText, String locale) {
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Map<String, String> localeStrings = LOCALE_MAPPINGS.get(locale.toLowerCase(Locale.ROOT));
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if (localeStrings == null) {
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localeStrings = LOCALE_MAPPINGS.get(GeyserLocale.getDefaultLocale());
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if (localeStrings == null) {
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// Don't cause a NPE if the locale is STILL missing
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GeyserImpl.getInstance().getLogger().debug("MISSING DEFAULT LOCALE: " + GeyserLocale.getDefaultLocale());
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return messageText;
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}
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}
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return localeStrings.getOrDefault(messageText, messageText);
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}
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/**
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* Convert a byte array into a hex string
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*
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* @param b Byte array to convert
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* @return The hex representation of the given byte array
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*/
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private static String byteArrayToHexString(byte[] b) {
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StringBuilder result = new StringBuilder();
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for (byte value : b) {
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result.append(Integer.toString((value & 0xff) + 0x100, 16).substring(1));
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}
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return result.toString();
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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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@JsonIgnoreProperties(ignoreUnknown = true)
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@Getter
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static class VersionManifest {
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@JsonProperty("latest")
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private LatestVersion latestVersion;
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@JsonProperty("versions")
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private List<Version> versions;
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}
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@JsonIgnoreProperties(ignoreUnknown = true)
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@Getter
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static class LatestVersion {
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@JsonProperty("release")
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private String release;
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@JsonProperty("snapshot")
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private String snapshot;
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}
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@JsonIgnoreProperties(ignoreUnknown = true)
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@Getter
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static class Version {
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@JsonProperty("id")
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private String id;
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@JsonProperty("type")
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private String type;
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@JsonProperty("url")
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private String url;
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@JsonProperty("time")
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private String time;
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@JsonProperty("releaseTime")
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private String releaseTime;
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}
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@JsonIgnoreProperties(ignoreUnknown = true)
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@Getter
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static class VersionInfo {
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@JsonProperty("id")
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private String id;
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@JsonProperty("type")
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private String type;
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@JsonProperty("time")
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private String time;
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@JsonProperty("releaseTime")
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private String releaseTime;
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@JsonProperty("assetIndex")
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private AssetIndex assetIndex;
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@JsonProperty("downloads")
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private Map<String, VersionDownload> downloads;
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}
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@JsonIgnoreProperties(ignoreUnknown = true)
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@Getter
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static class VersionDownload {
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@JsonProperty("sha1")
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private String sha1;
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@JsonProperty("size")
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private int size;
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@JsonProperty("url")
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private String url;
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}
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@JsonIgnoreProperties(ignoreUnknown = true)
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@Getter
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static class AssetIndex {
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@JsonProperty("id")
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private String id;
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@JsonProperty("sha1")
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private String sha1;
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@JsonProperty("size")
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private int size;
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@JsonProperty("totalSize")
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private int totalSize;
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@JsonProperty("url")
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private String url;
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}
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@JsonIgnoreProperties(ignoreUnknown = true)
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@Getter
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static class Asset {
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@JsonProperty("hash")
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private String hash;
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@JsonProperty("size")
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private int size;
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}
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} |