Adds the actual /firework command

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

@@ -0,0 +1,180 @@
+package com.earth2me.essentials.commands;
+
+import com.earth2me.essentials.User;
+import static com.earth2me.essentials.I18n._;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Pattern;
+import org.bukkit.Color;
+import org.bukkit.DyeColor;
+import org.bukkit.FireworkEffect;
+import org.bukkit.Material;
+import org.bukkit.Server;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.FireworkMeta;
+
+
+public class Commandfirework extends EssentialsCommand
+{
+	private final transient Pattern splitPattern = Pattern.compile("[:+',;.]");
+	private final static Map<String, DyeColor> colorMap = new HashMap<String, DyeColor>();
+	private final static Map<String, FireworkEffect.Type> fireworkShape = new HashMap<String, FireworkEffect.Type>();
+
+	static
+	{
+		for (DyeColor color : DyeColor.values())
+		{
+			colorMap.put(color.name(), color);
+		}
+		for (FireworkEffect.Type type : FireworkEffect.Type.values())
+		{
+			fireworkShape.put(type.name(), type);
+		}
+	}
+
+	public Commandfirework()
+	{
+		super("firework");
+	}
+
+	@Override
+	protected void run(final Server server, final User user, final String commandLabel, final String[] args) throws Exception
+	{
+
+		if (args.length > 0)
+		{
+			ItemStack stack = user.getItemInHand();
+			if (stack.getType() == Material.FIREWORK)
+			{
+				FireworkEffect.Builder builder = FireworkEffect.builder();
+				FireworkMeta fmeta = (FireworkMeta)stack.getItemMeta();
+
+				if (args.length > 0)
+				{
+					if (args[0].equalsIgnoreCase("clear"))
+					{
+						fmeta.clearEffects();
+						stack.setItemMeta(fmeta);
+						user.setItemInHand(stack);
+					}
+					else
+					{
+						List<Color> primaryColors = new ArrayList<Color>();
+						List<Color> fadeColors = new ArrayList<Color>();
+						FireworkEffect.Type finalEffect = null;
+
+						boolean valid = false;
+						for (String arg : args)
+						{
+							final String[] split = splitPattern.split(arg, 2);
+							if (split[0].equalsIgnoreCase("color") || split[0].equalsIgnoreCase("colour") || split[0].equalsIgnoreCase("c"))
+							{
+								String[] colors = split[1].split(",");
+								for (String color : colors)
+								{
+									if (colorMap.containsKey(color.toUpperCase()))
+									{
+										valid = true;
+										primaryColors.add(colorMap.get(color.toUpperCase()).getFireworkColor());
+									}
+									else
+									{
+										user.sendMessage(_("invalidFireworkFormat", split[1], split[0]));
+									}
+								}
+								builder.withColor(primaryColors);
+							}
+							if (split[0].equalsIgnoreCase("shape") || split[0].equalsIgnoreCase("s") || split[0].equalsIgnoreCase("type") || split[0].equalsIgnoreCase("t"))
+							{
+								split[1] = (split[1].equalsIgnoreCase("large") ? "BALL_LARGE" : split[1]);
+								if (fireworkShape.containsKey(split[1].toUpperCase()))
+								{
+									finalEffect = fireworkShape.get(split[1].toUpperCase());
+								}
+								else
+								{
+									user.sendMessage(_("invalidFireworkFormat", split[1], split[0]));
+								}
+								if (finalEffect != null)
+								{
+									builder.with(finalEffect);
+								}
+							}
+							if (split[0].equalsIgnoreCase("fade") || split[0].equalsIgnoreCase("f"))
+							{
+								String[] colors = split[1].split(",");
+								for (String color : colors)
+								{
+									if (colorMap.containsKey(color.toUpperCase()))
+									{
+										fadeColors.add(colorMap.get(color.toUpperCase()).getFireworkColor());
+									}
+									else
+									{
+										user.sendMessage(_("invalidFireworkFormat", split[1], split[0]));
+									}
+								}
+								if (!fadeColors.isEmpty())
+								{
+									builder.withFade(fadeColors);
+								}
+							}
+							if (split[0].equalsIgnoreCase("effect") || split[0].equalsIgnoreCase("e"))
+							{
+								String[] effects = split[1].split(",");
+								for (String effect : effects)
+								{
+									if (effect.equalsIgnoreCase("twinkle"))
+									{
+										builder.flicker(true);
+									}
+									else if (effect.equalsIgnoreCase("trail"))
+									{
+										builder.trail(true);
+									}
+									else
+									{
+										user.sendMessage(_("invalidFireworkFormat", split[1], split[0]));
+									}
+								}
+							}
+							if (split[0].equalsIgnoreCase("power") || split[0].equalsIgnoreCase("p"))
+							{
+								try
+								{
+									fmeta.setPower(Integer.parseInt(split[1]));
+								}
+								catch (NumberFormatException e)
+								{
+									user.sendMessage(_("invalidFireworkFormat", split[1], split[0]));
+								}
+							}
+						}
+						if (valid)
+						{
+							final FireworkEffect effect = builder.build();
+							fmeta.addEffect(effect);
+							stack.setItemMeta(fmeta);
+							user.setItemInHand(stack);
+						}
+						else
+						{
+							user.sendMessage(_("fireworkColor"));
+						}
+
+					}
+				}
+			}
+			else
+			{
+				user.sendMessage(_("holdFirework"));
+			}
+		}
+		else
+		{
+			throw new NotEnoughArgumentsException();
+		}
+	}
+}