Examples with ReflectionProcessor net.glowstone.util.ReflectionProcessor used on opensource projects

Example 1 with ReflectionProcessor

use of net.glowstone.util.ReflectionProcessor in project Glowstone by GlowstoneMC.

the class GlowstoneCommand method execute.

@Override
public boolean execute(CommandSender sender, String label, String[] args) {
    if (!testPermission(sender)) {
        return true;
    }
    if (args.length == 0 || (args.length > 0 && args[0].equalsIgnoreCase("about"))) {
        // some info about this Glowstone server
        sender.sendMessage("Information about this server:");
        sender.sendMessage(" - " + ChatColor.GOLD + "Server brand: " + ChatColor.AQUA + Bukkit.getName() + ChatColor.RESET + ".");
        sender.sendMessage(" - " + ChatColor.GOLD + "Server name: " + ChatColor.AQUA + Bukkit.getServerName() + ChatColor.RESET + ".");
        sender.sendMessage(" - " + ChatColor.GOLD + "Glowstone version: " + ChatColor.AQUA + Bukkit.getVersion() + ChatColor.RESET + ".");
        sender.sendMessage(" - " + ChatColor.GOLD + "API version: " + ChatColor.AQUA + Bukkit.getBukkitVersion() + ChatColor.RESET + ".");
        sender.sendMessage(" - " + ChatColor.GOLD + "Players: " + ChatColor.AQUA + Bukkit.getOnlinePlayers().size() + ChatColor.RESET + ".");
        sender.sendMessage(" - " + ChatColor.GOLD + "Worlds: " + ChatColor.AQUA + Bukkit.getWorlds().size() + ChatColor.RESET + ".");
        sender.sendMessage(" - " + ChatColor.GOLD + "Plugins: " + ChatColor.AQUA + Bukkit.getPluginManager().getPlugins().length + ChatColor.RESET + ".");
        // thread count
        int threadCount = 0;
        Set<Thread> threads = Thread.getAllStackTraces().keySet();
        for (Thread t : threads) {
            if (t.getThreadGroup() == Thread.currentThread().getThreadGroup()) {
                threadCount++;
            }
        }
        sender.sendMessage(" - " + ChatColor.GOLD + "Threads: " + ChatColor.AQUA + threadCount + ChatColor.RESET + ".");
        return false;
    }
    if (args[0].equalsIgnoreCase("help")) {
        // some help
        return false;
    }
    if (args[0].equalsIgnoreCase("property")) {
        if (args.length == 1) {
            // list all
            System.getProperties().forEach((key, value) -> sender.sendMessage("Property '" + ChatColor.AQUA + key + ChatColor.RESET + "' = \"" + ChatColor.GOLD + value + ChatColor.RESET + "\"."));
        } else {
            // get a property
            String key = args[1].toLowerCase();
            String value = System.getProperty(key);
            if (value == null) {
                sender.sendMessage(ChatColor.RED + "Unknown system property '" + key + "'.");
            } else {
                sender.sendMessage("Property '" + ChatColor.AQUA + key + ChatColor.RESET + "' = \"" + ChatColor.GOLD + value + ChatColor.RESET + "\".");
            }
        }
        return false;
    }
    if (args[0].equalsIgnoreCase("vm")) {
        RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
        List<String> arguments = runtimeMxBean.getInputArguments();
        if (arguments.size() == 0) {
            sender.sendMessage("There are no VM arguments.");
        } else {
            sender.sendMessage("Glowstone VM arguments (" + arguments.size() + "):");
            for (String argument : arguments) {
                sender.sendMessage(" - '" + ChatColor.AQUA + argument + ChatColor.RESET + "'.");
            }
        }
        return false;
    }
    if (args[0].equals("eval")) {
        if (args.length == 1) {
            // no args, send usage
            sender.sendMessage(ChatColor.RED + "Usage: /" + label + " eval <eval>");
            return false;
        }
        StringBuilder builder = new StringBuilder();
        for (int i = 1; i < args.length; i++) {
            builder.append(args[i] + (i == args.length - 1 ? "" : " "));
        }
        ReflectionProcessor processor = new ReflectionProcessor(builder.toString(), sender instanceof Entity ? sender : Bukkit.getServer());
        Object result = processor.process();
        sender.sendMessage(ChatColor.GOLD + "Eval returned: " + (result == null ? ChatColor.RED + "<no value>" : ChatColor.AQUA + result.toString()));
    }
    return false;
}