extras/src/main/java/pw/kaboom/extras/commands/CommandSpawn.java

package pw.kaboom.extras;

import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.World;

import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;

import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.command.ConsoleCommandSender;

import org.bukkit.entity.Player;

class CommandSpawn implements CommandExecutor {
	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
		if (sender instanceof ConsoleCommandSender) {
			sender.sendMessage("Command has to be run by a player");
		} else {
			final Player player = (Player) sender;
			final World world = Bukkit.getWorld("world");
			final Location spawnLocation = world.getSpawnLocation();
	
			for (double y = spawnLocation.getY(); y <= 256; y++) {
				final Location yLocation = new Location(world, spawnLocation.getX(), y, spawnLocation.getZ());
				final Block coordBlock = world.getBlockAt(yLocation);
	
				if (!coordBlock.getType().isSolid() &&
				!coordBlock.getRelative(BlockFace.UP).getType().isSolid()) {
					player.teleportAsync(yLocation);
					break;
				}
			}
	
			player.sendMessage("Successfully moved to spawn");
		}
		return true;
	}
}