name history

i still need to test bcuz i dont have an alt

src/main/java/me/totalfreedom/plex/Plex.java

@@ -17,6 +17,8 @@ import me.totalfreedom.plex.util.PlexUtils;
 import me.totalfreedom.plex.world.CustomWorld;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.io.File;
+
 @Getter
 @Setter
 public class Plex extends JavaPlugin

src/main/java/me/totalfreedom/plex/command/PlexCommand.java

@@ -12,6 +12,7 @@ import me.totalfreedom.plex.command.source.CommandSource;
 import me.totalfreedom.plex.command.source.RequiredCommandSource;
 import me.totalfreedom.plex.player.PlexPlayer;
 import me.totalfreedom.plex.rank.enums.Rank;
+import me.totalfreedom.plex.util.PlexLog;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.World;
@@ -69,6 +70,7 @@ public abstract class PlexCommand extends Command implements TabExecutor, IPlexC
         if (!matches(label)) return false;
         if (this.sender == null)
             this.sender = new CommandSource(sender);
+        PlexLog.log(this.sender.getSender().getName());
         if (commandSource == RequiredCommandSource.CONSOLE && sender instanceof Player)
         {
             send(tl("noPermissionInGame"));

src/main/java/me/totalfreedom/plex/command/impl/NameHistoryCMD.java

@@ -0,0 +1,78 @@
+package me.totalfreedom.plex.command.impl;
+
+import me.totalfreedom.plex.command.PlexCommand;
+import me.totalfreedom.plex.command.annotation.CommandParameters;
+import me.totalfreedom.plex.command.annotation.CommandPermissions;
+import me.totalfreedom.plex.command.exception.CommandArgumentException;
+import me.totalfreedom.plex.command.source.CommandSource;
+import me.totalfreedom.plex.rank.enums.Rank;
+import me.totalfreedom.plex.util.PlexUtils;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.entity.Player;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.ParseException;
+
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Comparator;
+import java.util.List;
+
+import static me.totalfreedom.plex.util.PlexUtils.tl;
+
+@CommandParameters(description = "Get the name history of a player", usage = "/<command> <player>", aliases = "nh")
+@CommandPermissions(level = Rank.OP)
+public class NameHistoryCMD extends PlexCommand
+{
+    private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("MM/dd/yyyy 'at' HH:mm:ss");
+
+    public NameHistoryCMD()
+    {
+        super("namehistory");
+    }
+
+    @Override
+    public void execute(CommandSource sender, String[] args)
+    {
+        if (args.length != 1)
+            throw new CommandArgumentException();
+        String username = args[0];
+        JSONArray array;
+        try
+        {
+            JSONObject profile = (JSONObject) PlexUtils.simpleGET("https://api.mojang.com/users/profiles/minecraft/" + username);
+            String uuid = (String) profile.get("id");
+            array = (JSONArray) PlexUtils.simpleGET("https://api.mojang.com/user/profiles/" + uuid + "/names");
+        }
+        catch (ParseException | IOException ex)
+        {
+            send(tl("nameHistoryFail", username));
+            return;
+        }
+
+        array.sort(Comparator.reverseOrder());
+
+        StringBuilder result = new StringBuilder()
+                .append(tl("nameHistoryTitle", username))
+                .append("\n");
+        for (Object o : array)
+        {
+            JSONObject object = (JSONObject) o;
+            Object changedToAt = object.get("changedToAt");
+            if (changedToAt == null)
+                changedToAt = "O";
+            else
+                changedToAt = DATE_FORMAT.format(changedToAt);
+            result.append(tl("nameHistoryBody", object.get("name"), changedToAt))
+                .append("\n");
+        }
+        send(result.toString());
+    }
+
+    @Override
+    public List<String> onTabComplete(CommandSource sender, String[] args)
+    {
+        return args.length == 1 ? PlexUtils.getPlayerNameList() : null;
+    }
+}

src/main/java/me/totalfreedom/plex/handlers/CommandHandler.java

@@ -21,6 +21,7 @@ public class CommandHandler
         commands.add(new OpAllCMD());
         commands.add(new OpCMD());
         commands.add(new FreezeCMD());
+        commands.add(new NameHistoryCMD());
 
         PlexLog.log(String.format("Registered %s commands!", commands.size()));
     }

src/main/java/me/totalfreedom/plex/util/PlexUtils.java

@@ -1,9 +1,13 @@
 package me.totalfreedom.plex.util;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Objects;
 import java.util.stream.Collectors;
 
 import me.totalfreedom.plex.Plex;
@@ -14,6 +18,8 @@ import org.bukkit.command.Command;
 import org.bukkit.command.PluginCommandYamlParser;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
 
 public class PlexUtils
 {
@@ -78,7 +84,7 @@ public class PlexUtils
         if (f == null)
             return ChatColor.RED + "No message";
         for (Object object : objects)
-            f = f.replace("<v>", String.valueOf(object));
+            f = f.replaceFirst("<v>", String.valueOf(object));
         ChatColor base = getChatColorFromConfig(plugin.messages, ChatColor.GRAY, "baseColor");
         ChatColor broadcast = getChatColorFromConfig(plugin.messages, ChatColor.AQUA, "broadcastColor");
         ChatColor error = getChatColorFromConfig(plugin.messages, ChatColor.RED, "errorColor");
@@ -136,4 +142,19 @@ public class PlexUtils
     {
         Bukkit.broadcastMessage(s);
     }
+
+    public static Object simpleGET(String url) throws IOException, ParseException
+    {
+        URL u = new URL(url);
+        HttpURLConnection connection = (HttpURLConnection) u.openConnection();
+        connection.setRequestMethod("GET");
+        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+        String line;
+        StringBuilder content = new StringBuilder();
+        while ((line = in.readLine()) != null)
+            content.append(line);
+        in.close();
+        connection.disconnect();
+        return new JSONParser().parse(content.toString());
+    }
 }

src/main/java/me/totalfreedom/plex/world/CustomWorld.java

@@ -1,7 +1,6 @@
 package me.totalfreedom.plex.world;
 
 import me.totalfreedom.plex.Plex;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.WorldCreator;
@@ -10,6 +9,7 @@ import org.bukkit.block.BlockState;
 import org.bukkit.block.Sign;
 import org.bukkit.generator.ChunkGenerator;
 
+import java.io.File;
 import java.util.Objects;
 
 public class CustomWorld extends WorldCreator
@@ -45,9 +45,9 @@ public class CustomWorld extends WorldCreator
             @Override
             public World generate()
             {
-                boolean addFeatures = Bukkit.getWorld(name) == null;
+                boolean existed = new File(name).exists();
                 World world = super.generate();
-                if (addFeatures)
+                if (!existed)
                 {
                     Block block = world.getBlockAt(0, world.getHighestBlockYAt(0, 0) + 1, 0);
                     block.setType(Material.OAK_SIGN);

src/main/resources/messages.yml

@@ -43,4 +43,11 @@ noPermission: <e>You cannot use this command!
 # 1: the login message (uncolored) of the rank required to use the command
 noPermissionRank: <e>You must be at least <v> rank to use this command!
 noPermissionInGame: <e>You must be in console to use this command!
-noPermissionConsole: <e>You must be in-game to use this command!
+noPermissionConsole: <e>You must be in-game to use this command!
+# 1: the username of the name history
+nameHistoryTitle: Name History of <v>
+# 1: a username of the found user
+# 2: when the user changed to that username
+nameHistoryBody: " - <v> (<v>)"
+# 1: the username that failed
+nameHistoryFail: <e>Something went wrong while trying to retrieve name history of <v>! Try again later!