Version command w/ ability to modify api
This commit is contained in:
Sotr
338
src/api/org/bukkit/command/defaults/VersionCommand.java
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338
src/api/org/bukkit/command/defaults/VersionCommand.java
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package org.bukkit.command.defaults;
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import com.google.common.base.Charsets;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import org.apache.commons.lang.Validate;
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import org.bukkit.Bukkit;
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import org.bukkit.ChatColor;
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import org.bukkit.command.CommandSender;
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import org.bukkit.plugin.Plugin;
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import org.bukkit.plugin.PluginDescriptionFile;
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import org.bukkit.util.StringUtil;
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import com.google.common.collect.ImmutableList;
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import com.google.common.io.Resources;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.concurrent.locks.ReentrantLock;
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import org.json.simple.JSONObject;
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import org.json.simple.parser.JSONParser;
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import org.json.simple.parser.ParseException;
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// Paper start
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import com.destroystokyo.paper.VersionHistoryManager;
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// Paper end
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public class VersionCommand extends BukkitCommand {
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public VersionCommand(String name) {
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super(name);
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this.description = "Gets the version of this server including any plugins in use";
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this.usageMessage = "/version [plugin name]";
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this.setPermission("bukkit.command.version");
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this.setAliases(Arrays.asList("ver", "about"));
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}
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@Override
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public boolean execute(CommandSender sender, String currentAlias, String[] args) {
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if (!testPermission(sender)) return true;
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if (args.length == 0) {
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sender.sendMessage("This server is running " + Bukkit.getName() + " version " + Bukkit.getVersion() + " (Implementing API version " + Bukkit.getBukkitVersion() + ")");
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tellHistory(sender); // Paper
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sendVersion(sender);
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} else {
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StringBuilder name = new StringBuilder();
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for (String arg : args) {
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if (name.length() > 0) {
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name.append(' ');
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}
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name.append(arg);
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}
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String pluginName = name.toString();
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Plugin exactPlugin = Bukkit.getPluginManager().getPlugin(pluginName);
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if (exactPlugin != null) {
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describeToSender(exactPlugin, sender);
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return true;
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}
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boolean found = false;
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pluginName = pluginName.toLowerCase(java.util.Locale.ENGLISH);
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for (Plugin plugin : Bukkit.getPluginManager().getPlugins()) {
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if (plugin.getName().toLowerCase(java.util.Locale.ENGLISH).contains(pluginName)) {
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describeToSender(plugin, sender);
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found = true;
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}
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}
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if (!found) {
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sender.sendMessage("This server is not running any plugin by that name.");
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sender.sendMessage("Use /plugins to get a list of plugins.");
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}
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}
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return true;
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}
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// Paper start - show version history
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private void tellHistory(final CommandSender sender) {
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final VersionHistoryManager.VersionData data = VersionHistoryManager.INSTANCE.getVersionData();
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if (data == null) {
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return;
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}
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final String oldVersion = data.getOldVersion();
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if (oldVersion == null) {
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return;
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}
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sender.sendMessage("Previous version: " + oldVersion);
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}
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// Paper end
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private void describeToSender(Plugin plugin, CommandSender sender) {
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PluginDescriptionFile desc = plugin.getDescription();
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sender.sendMessage(ChatColor.GREEN + desc.getName() + ChatColor.WHITE + " version " + ChatColor.GREEN + desc.getVersion());
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if (desc.getDescription() != null) {
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sender.sendMessage(desc.getDescription());
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}
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if (desc.getWebsite() != null) {
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sender.sendMessage("Website: " + ChatColor.GREEN + desc.getWebsite());
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}
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if (!desc.getAuthors().isEmpty()) {
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if (desc.getAuthors().size() == 1) {
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sender.sendMessage("Author: " + getAuthors(desc));
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} else {
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sender.sendMessage("Authors: " + getAuthors(desc));
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}
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}
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}
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private String getAuthors(final PluginDescriptionFile desc) {
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StringBuilder result = new StringBuilder();
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List<String> authors = desc.getAuthors();
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for (int i = 0; i < authors.size(); i++) {
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if (result.length() > 0) {
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result.append(ChatColor.WHITE);
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if (i < authors.size() - 1) {
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result.append(", ");
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} else {
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result.append(" and ");
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}
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}
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result.append(ChatColor.GREEN);
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result.append(authors.get(i));
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}
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return result.toString();
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}
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@Override
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public List<String> tabComplete(CommandSender sender, String alias, String[] args) {
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Validate.notNull(sender, "Sender cannot be null");
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Validate.notNull(args, "Arguments cannot be null");
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Validate.notNull(alias, "Alias cannot be null");
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if (args.length == 1) {
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List<String> completions = new ArrayList<String>();
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String toComplete = args[0].toLowerCase(java.util.Locale.ENGLISH);
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for (Plugin plugin : Bukkit.getPluginManager().getPlugins()) {
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if (StringUtil.startsWithIgnoreCase(plugin.getName(), toComplete)) {
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completions.add(plugin.getName());
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}
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}
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return completions;
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}
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return ImmutableList.of();
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}
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private final ReentrantLock versionLock = new ReentrantLock();
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private boolean hasVersion = false;
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private String versionMessage = null;
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private final Set<CommandSender> versionWaiters = new HashSet<CommandSender>();
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private boolean versionTaskStarted = false;
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private long lastCheck = 0;
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private void sendVersion(CommandSender sender) {
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if (hasVersion) {
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if (System.currentTimeMillis() - lastCheck > 7200000) { // Paper - Lower to 2 hours
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lastCheck = System.currentTimeMillis();
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hasVersion = false;
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} else {
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sender.sendMessage(versionMessage);
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return;
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}
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}
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versionLock.lock();
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try {
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if (hasVersion) {
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sender.sendMessage(versionMessage);
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return;
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}
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versionWaiters.add(sender);
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sender.sendMessage("Checking version, please wait...");
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if (!versionTaskStarted) {
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versionTaskStarted = true;
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new Thread(new Runnable() {
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@Override
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public void run() {
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obtainVersion();
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}
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}).start();
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}
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} finally {
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versionLock.unlock();
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}
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}
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// Paper start
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private void obtainVersion() {
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String version = Bukkit.getVersion();
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if (version == null) version = "Custom";
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if (version.startsWith("git-Akarin-")) { // Akarin
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String[] parts = version.substring("git-Akarin-".length()).split("[-\\s]"); // Akarin
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int distance = getDistance(null, parts[0]);
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switch (distance) {
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case -1:
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setVersionMessage("Error obtaining version information");
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break;
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case 0:
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setVersionMessage("You are running the latest version");
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break;
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case -2:
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setVersionMessage("Unknown version");
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break;
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default:
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setVersionMessage("You are " + distance + " version(s) behind");
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}
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} else if (version.startsWith("git-Bukkit-")) {
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// Paper end
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version = version.substring("git-Bukkit-".length());
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int cbVersions = getDistance("craftbukkit", version.substring(0, version.indexOf(' ')));
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if (cbVersions == -1) {
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setVersionMessage("Error obtaining version information");
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} else {
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if (cbVersions == 0) {
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setVersionMessage("You are running the latest version");
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} else {
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setVersionMessage("You are " + cbVersions + " version(s) behind");
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}
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}
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} else {
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setVersionMessage("Unknown version, custom build?");
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}
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}
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private void setVersionMessage(String msg) {
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lastCheck = System.currentTimeMillis();
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versionMessage = msg;
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versionLock.lock();
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try {
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hasVersion = true;
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versionTaskStarted = false;
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for (CommandSender sender : versionWaiters) {
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sender.sendMessage(versionMessage);
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}
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versionWaiters.clear();
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} finally {
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versionLock.unlock();
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}
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}
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// Paper start
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private static int getDistance(String repo, String verInfo) {
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// Akarin start
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//try {
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// int currentVer = Integer.decode(verInfo);
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// return getFromJenkins(currentVer);
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//} catch (NumberFormatException ex) {
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// Akarin end
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verInfo = verInfo.replace("\"", "");
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return getFromRepo("Akarin-project/Akarin", "master", verInfo); // Akarin
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//} // Akarin
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/*
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BufferedReader reader = Resources.asCharSource(
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new URL("https://hub.spigotmc.org/stash/rest/api/1.0/projects/SPIGOT/repos/" + repo + "/commits?since=" + URLEncoder.encode(hash, "UTF-8") + "&withCounts=true"),
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Charsets.UTF_8
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).openBufferedStream();
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try {
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JSONObject obj = (JSONObject) new JSONParser().parse(reader);
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return ((Number) obj.get("totalCount")).intValue();
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} catch (ParseException ex) {
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ex.printStackTrace();
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return -1;
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} finally {
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reader.close();
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}
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*/
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}
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private static int getFromJenkins(int currentVer) {
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try {
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BufferedReader reader = Resources.asCharSource(
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new URL("https://ci.destroystokyo.com/job/Paper-1.13/lastSuccessfulBuild/buildNumber"), // Paper
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Charsets.UTF_8
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).openBufferedStream();
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try {
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int newVer = Integer.decode(reader.readLine());
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return newVer - currentVer;
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} catch (NumberFormatException ex) {
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ex.printStackTrace();
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return -2;
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} finally {
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reader.close();
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}
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} catch (IOException e) {
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e.printStackTrace();
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return -1;
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}
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}
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// Contributed by Techcable <Techcable@outlook.com> in GH PR #65
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private static int getFromRepo(String repo, String branch, String hash) {
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try {
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HttpURLConnection connection = (HttpURLConnection) new URL("https://api.github.com/repos/" + repo + "/compare/" + branch + "..." + hash).openConnection();
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connection.connect();
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if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) return -2; // Unknown commit
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try (
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BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), Charsets.UTF_8))
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) {
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JSONObject obj = (JSONObject) new JSONParser().parse(reader);
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String status = (String) obj.get("status");
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switch (status) {
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case "identical":
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return 0;
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case "behind":
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return ((Number) obj.get("behind_by")).intValue();
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default:
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return -1;
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}
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} catch (ParseException | NumberFormatException e) {
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e.printStackTrace();
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return -1;
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}
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} catch (IOException e) {
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e.printStackTrace();
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return -1;
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}
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}
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// Paper end
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}
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