Command conversion #3: Ping Command

src/main/java/pw/chew/Chewbotcca/Main.java

@@ -9,6 +9,7 @@
 import org.slf4j.LoggerFactory;
 import pw.chew.Chewbotcca.commands.about.HelpCommand;
 import pw.chew.Chewbotcca.commands.about.InviteCommand;
+import pw.chew.Chewbotcca.commands.about.PingCommand;
 
 import javax.security.auth.login.LoginException;
 import java.io.FileInputStream;
@@ -39,7 +40,8 @@ public static void main(String[] args) throws LoginException, IOException {
         client.addCommands(
                 // About Module
                 new HelpCommand(),
-                new InviteCommand()
+                new InviteCommand(),
+                new PingCommand()
         );
 
         // Register listeners

src/main/java/pw/chew/Chewbotcca/commands/about/PingCommand.java

@@ -0,0 +1,26 @@
+package pw.chew.Chewbotcca.commands.about;
+
+import com.jagrosh.jdautilities.command.Command;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.Permission;
+
+public class PingCommand extends Command {
+
+    public PingCommand() {
+        this.name = "ping";
+        this.help = "Ping the bot";
+        this.botPermissions = new Permission[]{Permission.MESSAGE_EMBED_LINKS};
+        this.guildOnly = false;
+    }
+
+    @Override
+    protected void execute(CommandEvent commandEvent) {
+        long time = commandEvent.getMessage().getTimeCreated().toInstant().toEpochMilli();
+        commandEvent.getChannel().sendMessage(new EmbedBuilder().setDescription("Checking ping..").build()).queue((msg) -> {
+            EmbedBuilder eb = new EmbedBuilder().setDescription("Ping is " + (msg.getTimeCreated().toInstant().toEpochMilli() - time) + "ms");
+            msg.editMessage(eb.build()).queue();
+        });
+        commandEvent.getChannel().getLatestMessageId();
+    }
+}