Add /skull command

Essentials/src/com/earth2me/essentials/commands/Commandskull.java

@@ -0,0 +1,84 @@
+package com.earth2me.essentials.commands;
+
+import static com.earth2me.essentials.I18n._;
+import com.earth2me.essentials.User;
+import com.earth2me.essentials.utils.LocationUtil;
+
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.Server;
+import org.bukkit.block.BlockState;
+import org.bukkit.block.Skull;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.SkullMeta;
+
+public class Commandskull extends EssentialsCommand
+{
+	public Commandskull()
+	{
+		super("skull");
+	}
+	
+	@Override
+	protected void run(final Server server, final User user, final String commandLabel, final String[] args) throws Exception
+	{
+		if (args.length < 1)
+		{
+			user.getInventory().addItem(spawnSkull(user.getName(), 1));
+			user.sendMessage(_("givenSkull", user.getName()));
+		} else {
+			// Alphanumeric and underscores only
+			if (!args[0].matches("^[A-Za-z0-9_]+$")) {
+				throw new IllegalArgumentException(_("invalidSkullOwner"));
+			}
+
+			final Location target = LocationUtil.getTarget(user.getBase());
+			BlockState state = target.getBlock().getState();
+			Skull skull = null;
+
+			if (state instanceof Skull)
+			{
+				skull = (Skull) state;
+				if (skull.hasOwner() && !user.isAuthorized("essentials.skull.change"))
+				{
+					throw new Exception(_("noPermissionSkull"));
+				}
+				
+				user.sendMessage(_("skullChanged", args[0]));
+
+				skull.setOwner(args[0]);
+				skull.update(true);
+				return;
+			}
+
+			if (skull == null) 
+			{
+				ItemStack cSkull = user.getItemInHand();
+				if (cSkull.getType() == Material.SKULL_ITEM && cSkull.getDurability() == 3) {
+					SkullMeta cSkullMeta = (SkullMeta) cSkull.getItemMeta();
+					if (cSkullMeta.hasOwner() && !user.isAuthorized("essentials.skull.change"))
+					{
+						throw new Exception(_("noPermissionSkull"));
+					}
+
+					user.sendMessage(_("skullChanged", args[0]));
+					user.setItemInHand(spawnSkull(args[0], cSkull.getAmount()));
+				} else {
+					throw new Exception(_("invalidSkull"));
+				}
+			}
+		}
+	}
+	
+	private ItemStack spawnSkull(String owner, int amount) {
+		if (amount < 1 || amount > 64) {
+			amount = 1;
+		}
+		ItemStack skull = new ItemStack(Material.SKULL_ITEM, amount, (byte) 3);
+		SkullMeta skullMeta = (SkullMeta) skull.getItemMeta();
+		skullMeta.setDisplayName("§fSkull of " + owner);
+		skullMeta.setOwner(owner);
+		skull.setItemMeta(skullMeta);
+		return skull;
+	}
+}

Essentials/src/messages.properties

@@ -535,3 +535,8 @@ ignoreExempt=\u00a74You can not ignore that player.
 unsafeTeleportDestination=\u00a74The teleport destination is unsafe and teleport-safety is disabled.
 noMetaJson=JSON Metadata is not supported in this version of Bukkit.
 maxMoney=\u00a74This transaction would exceed the balance limit for this account.
+skullChanged=\u00a76Skull owner set to \u00a7c{0}.\u00a76.
+invalidSkullOwner=\u00a74Skull owners names can only contain letters, numbers and underscores.
+givenSkull=\u00a76You have been given the Skull of \u00a7c{0}\u00a76.
+noPermissionSkull=\u00a74You do not have permission to spawn/modify that Skull.
+invalidSkull=\u00a74Please hold or look at a player Skull.

Essentials/src/plugin.yml

@@ -326,6 +326,10 @@ commands:
     description: Creates a jail where you specified named [jailname].
     usage: /<command> <jailname>
     aliases: [esetjail,createjail,ecreatejail]
+  skull:
+    description: Give yourself or change the owner of a Skull.
+    usage: /<command> [owner]
+    aliases: [eskull, egiveskull, giveskull]
   setwarp:
     description: Creates a new warp.
     usage: /<command> <warp>