Send message actionbar to players (1.8 only)

gistfile1.txt

package packetplayoutchat;

import net.minecraft.server.v1_8_R3.PacketPlayOutChat;

import org.bukkit.Bukkit;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer;
import org.bukkit.entity.Player;

import net.minecraft.server.v1_8_R3.IChatBaseComponent.ChatSerializer;

public class ActionBarMessage {
	

	public static void sendMessage(Player p, String message) {
		PacketPlayOutChat packet = new PacketPlayOutChat(ChatSerializer.a("{\"text\":\"" + message.replace("&", "§") + "\"}"), (byte) 2);
		((CraftPlayer) p).getHandle().playerConnection.sendPacket(packet);
	}
	
	public static void broadcastMessage(String message) {
		PacketPlayOutChat packet = new PacketPlayOutChat(ChatSerializer.a("{\"text\":\"" + message.replace("&", "§") + "\"}"), (byte) 2);
		for (Player p : Bukkit.getServer().getOnlinePlayers()) {
            ((CraftPlayer) p).getHandle().playerConnection.sendPacket(packet);
        }
	}
	
}


//Example

package packetplayoutchat;

import org.bukkit.Bukkit;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

public class C implements CommandExecutor {

	@Override
	public boolean onCommand(CommandSender sender, Command cmd, String lbl, String[] args) {
		
		if(cmd.getName().equalsIgnoreCase("actionbar")) {
			if(sender instanceof Player) {
				Player p = (Player) sender;
				if(args.length == 0) {
					p.sendMessage("§c/actionbar (me, server) [args]");
				} else {
					if(args.length < 2) {
						p.sendMessage("§c/actionbar (me, server) [args]");
					} else {
						if(args[0].equalsIgnoreCase("me")) {
							StringBuilder sb = new StringBuilder();
							for(int i = 1; i < args.length; i++) {
								if(i > 1) sb.append(" ");
								sb.append(args[i]);
							}
							ActionBarMessage.sendMessage(p, sb.toString());
							p.sendMessage("§aYou sent the message to yourself!");
						}
						if(args[0].equalsIgnoreCase("server")) {
							StringBuilder sb = new StringBuilder();
							for(int i = 1; i < args.length; i++) {
								if(i > 1) sb.append(" ");
								sb.append(args[i]);
							}
							ActionBarMessage.broadcastMessage(sb.toString());
							p.sendMessage("§aYou the message sent to all!");
							Bukkit.getServer().broadcastMessage("§aYou received a message from " + p.getName());
						}
					}
				}
			}
		}
		
		return false;
	}
}