Add uptime discord command and add penis exception (closes #10)

src/main/java/me/StevenLawson/TotalFreedomMod/discord/command/DiscordCommandManager.java

@@ -1,9 +1,6 @@
 package me.StevenLawson.TotalFreedomMod.discord.command;
 
-import me.StevenLawson.TotalFreedomMod.discord.commands.AdminConsoleCommand;
+import me.StevenLawson.TotalFreedomMod.discord.commands.*;
-import me.StevenLawson.TotalFreedomMod.discord.commands.HelpCommand;
-import me.StevenLawson.TotalFreedomMod.discord.commands.ListCommand;
-import me.StevenLawson.TotalFreedomMod.discord.commands.TPSCommand;
 import org.javacord.api.entity.channel.TextChannel;
 import org.javacord.api.entity.message.MessageBuilder;
 import org.javacord.api.entity.message.embed.EmbedBuilder;
@@ -20,11 +17,11 @@ public class DiscordCommandManager {
     public List<ExecutableDiscordCommand> commands = new ArrayList<>();
 
     public void init() {
-
         // Server Commands
         commands.add(new ListCommand("list", "Gives a list of online players.", "Server Commands", Collections.singletonList("l"), false));
         commands.add(new TPSCommand("tps", "Lag information regarding the server.", "Server Commands", false));
         commands.add(new AdminConsoleCommand("adminconsole", "Execute admin commands from discord.", "Server Commands", Collections.singletonList("ac"),true));
+        commands.add(new UptimeCommand("uptime", "Returns the uptime of the VPS.", "Server Commands", false));
 
         // Help
         commands.add(new HelpCommand("help", "Displays the help command", "Help", false));

src/main/java/me/StevenLawson/TotalFreedomMod/discord/commands/UptimeCommand.java

@@ -0,0 +1,47 @@
+package me.StevenLawson.TotalFreedomMod.discord.commands;
+
+import me.StevenLawson.TotalFreedomMod.discord.command.ExecutableDiscordCommand;
+import me.StevenLawson.TotalFreedomMod.exception.PenisException;
+import org.javacord.api.entity.message.MessageBuilder;
+import org.javacord.api.entity.message.embed.EmbedBuilder;
+import org.javacord.api.entity.user.User;
+
+import java.awt.*;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class UptimeCommand extends ExecutableDiscordCommand {
+    public UptimeCommand(String command, String description, String category, boolean isAdmin) {
+        super(command, description, category, isAdmin);
+    }
+
+    @Override
+    public MessageBuilder execute(User user, List<String> args) {
+        EmbedBuilder builder = new EmbedBuilder();
+        try {
+            builder.setTitle("VPS Uptime Information")
+                    .setDescription(getSystemUptime());
+        } catch (Exception e) {
+            builder.setTitle("Command error")
+                    .setColor(Color.RED)
+                    .setDescription("Something went wrong");
+        }
+        return new MessageBuilder().addEmbed(builder);
+    }
+
+    private String getSystemUptime() throws Exception {
+        Process uptimeProc = Runtime.getRuntime().exec("uptime");
+        BufferedReader in = new BufferedReader(new InputStreamReader(uptimeProc.getInputStream()));
+        String line = in.readLine();
+        if (line != null) {
+            return line;
+        } else {
+            throw new PenisException();
+        }
+    }
+}

src/main/java/me/StevenLawson/TotalFreedomMod/exception/PenisException.java

@@ -0,0 +1,11 @@
+package me.StevenLawson.TotalFreedomMod.exception;
+
+public class PenisException extends Exception {
+    public PenisException() {
+
+    }
+
+    public PenisException(String name) {
+        super(name);
+    }
+}