package me.libraryaddict.disguise; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Collections; import me.libraryaddict.disguise.disguisetypes.AnimalColor; import me.libraryaddict.disguise.disguisetypes.Disguise; import me.libraryaddict.disguise.disguisetypes.DisguiseType; import me.libraryaddict.disguise.disguisetypes.MiscDisguise; import me.libraryaddict.disguise.disguisetypes.MobDisguise; import me.libraryaddict.disguise.disguisetypes.PlayerDisguise; import org.bukkit.ChatColor; import org.bukkit.command.CommandExecutor; import org.bukkit.command.CommandSender; import org.bukkit.entity.Horse.Color; import org.bukkit.entity.Horse.Style; import org.bukkit.entity.Ocelot.Type; import org.bukkit.entity.Villager.Profession; import org.bukkit.inventory.ItemStack; import org.bukkit.potion.PotionEffectType; public abstract class BaseDisguiseCommand implements CommandExecutor { protected ArrayList getAllowedDisguises(CommandSender sender, String permissionNode) { ArrayList names = new ArrayList(); for (DisguiseType type : DisguiseType.values()) { String name = type.name().toLowerCase(); if (sender.hasPermission("libsdisguises." + permissionNode + ".*") || sender.hasPermission("libsdisguises." + permissionNode + "." + name)) names.add(name); } Collections.sort(names, String.CASE_INSENSITIVE_ORDER); return names; } protected boolean isDouble(String string) { try { Float.parseFloat(string); return true; } catch (Exception ex) { return false; } } protected boolean isNumeric(String string) { try { Integer.parseInt(string); return true; } catch (Exception ex) { return false; } } /** * Returns the disguise if it all parsed correctly. Returns a exception with a complete message if it didn't. The * commandsender is purely used for checking permissions. Would defeat the purpose otherwise. To reach this point, the * disguise has been feed a proper disguisetype. */ protected Disguise parseDisguise(CommandSender sender, String[] args) throws Exception { String permissionNode = getClass().getSimpleName().replace("Command", "").toLowerCase(); ArrayList allowedDisguises = getAllowedDisguises(sender, permissionNode); if (allowedDisguises.isEmpty()) { throw new Exception(ChatColor.RED + "You are forbidden to use this command."); } if (args.length == 0) { sendCommandUsage(sender); throw new Exception(); } DisguiseType disguiseType = null; for (DisguiseType type : DisguiseType.values()) { if (args[0].equalsIgnoreCase(type.name()) || type.name().replace("_", "").equalsIgnoreCase(args[0])) { disguiseType = type; break; } } if (disguiseType == null) { throw new Exception(ChatColor.RED + "Error! The disguise " + ChatColor.GREEN + args[0] + ChatColor.RED + " doesn't exist!"); } if (!allowedDisguises.contains(disguiseType.name().toLowerCase())) { throw new Exception(ChatColor.RED + "You are forbidden to use this disguise!"); } Disguise disguise = null; // How many args to skip due to the disugise being constructed int toSkip = 1; // Time to start constructing the disguise. // We will need to check between all 3 kinds of disguises if (disguiseType.isPlayer()) {// If he is doing a player disguise if (args.length == 1) { // He needs to give the player name throw new Exception(ChatColor.RED + "Error! You need to give a player name!"); } else { // Construct the player disguise disguise = new PlayerDisguise(ChatColor.translateAlternateColorCodes('&', args[1])); toSkip++; } } else { if (disguiseType.isMob()) { // Its a mob, use the mob constructor boolean adult = true; if (args.length > 1) { if (args[1].equalsIgnoreCase("true") || args[1].equalsIgnoreCase("false")) { adult = "false".equalsIgnoreCase(args[1]); toSkip++; } } disguise = new MobDisguise(disguiseType, adult); } else if (disguiseType.isMisc()) { // Its a misc, we are going to use the MiscDisguise constructor. int miscId = -1; int miscData = -1; if (args.length > 1) { // They have defined more arguements! // If the first arg is a number if (isNumeric(args[1])) { miscId = Integer.parseInt(args[1]); toSkip++; // If they also defined a data value if (args.length > 2) { if (isNumeric(args[2])) { miscData = Integer.parseInt(args[2]); toSkip++; } } } } // Construct the disguise disguise = new MiscDisguise(disguiseType, miscId, miscData); } } // Copy strings to their new range String[] newArgs = new String[args.length - toSkip]; for (int i = toSkip; i < args.length; i++) { newArgs[i - toSkip] = args[i]; } args = newArgs; // Don't throw a error about uneven methods names and values so we can throw the error about what is unknown later. for (int i = 0; i < args.length; i += 2) { String methodName = args[i]; if (i + 1 >= args.length) { throw new Exception(ChatColor.RED + "No value was given for the option " + methodName); } String valueString = args[i + 1]; Method methodToUse = null; Object value = null; for (Method method : disguise.getWatcher().getClass().getMethods()) { if (!method.getName().startsWith("get") && method.getName().equalsIgnoreCase(methodName)) { methodToUse = method; methodName = method.getName(); Class[] types = method.getParameterTypes(); if (types.length == 1) { Class param = types[0]; // Parse to number if (int.class == param) { if (isNumeric(valueString)) { value = (int) Integer.parseInt(valueString); } else { throw parseToException("number", valueString, methodName); } // Parse to boolean } else if (float.class == param || double.class == param) { if (isDouble(valueString)) { float obj = Float.parseFloat(valueString); if (param == float.class) { value = (float) obj; } else if (param == int.class) { value = (int) obj; } else if (param == double.class) { value = (double) obj; } } else { throw parseToException("number.0", valueString, methodName); } // Parse to boolean } else if (boolean.class == param) { if (!("true".equalsIgnoreCase(valueString) || "false".equalsIgnoreCase(valueString))) throw parseToException("true/false", valueString, methodName); value = (boolean) "true".equalsIgnoreCase(valueString); // Parse to string } else if (param == String.class) { value = ChatColor.translateAlternateColorCodes('&', valueString); // Parse to animal color } else if (param == AnimalColor.class) { try { value = AnimalColor.valueOf(valueString.toUpperCase()); } catch (Exception ex) { throw parseToException("animal color", valueString, methodName); } // Parse to itemstack } else if (param == ItemStack.class) { try { value = parseToItemstack(valueString); } catch (Exception ex) { throw new Exception(String.format(ex.getMessage(), methodName)); } // Parse to itemstack array } else if (param == ItemStack[].class) { ItemStack[] items = new ItemStack[4]; String[] split = valueString.split(","); if (split.length == 4) { for (int a = 0; a < 4; a++) { try { ItemStack item = parseToItemstack(split[a]); items[a] = item; } catch (Exception ex) { throw parseToException("item ID,ID,ID,ID" + ChatColor.RED + " or " + ChatColor.GREEN + "ID:Data,ID:Data,ID:Data,ID:Data combo", valueString, methodName); } } } else { throw parseToException("item ID,ID,ID,ID" + ChatColor.RED + " or " + ChatColor.GREEN + "ID:Data,ID:Data,ID:Data,ID:Data combo", valueString, methodName); } value = items; // Parse to horse color } else if (param == Color.class) { try { value = Color.valueOf(valueString.toUpperCase()); } catch (Exception ex) { throw parseToException("horse color", valueString, methodName); } // Parse to horse style } else if (param == Style.class) { try { value = Style.valueOf(valueString.toUpperCase()); } catch (Exception ex) { throw parseToException("horse style", valueString, methodName); } // Parse to villager profession } else if (param == Profession.class) { try { value = Profession.valueOf(valueString.toUpperCase()); } catch (Exception ex) { throw parseToException("villager profession", valueString, methodName); } // Parse to ocelot type } else if (param == Type.class) { try { value = Type.valueOf(valueString.toUpperCase()); } catch (Exception ex) { throw parseToException("ocelot type", valueString, methodName); } // Parse to potion effect } else if (param == PotionEffectType.class) { try { PotionEffectType potionType = PotionEffectType.getByName(valueString.toUpperCase()); if (potionType == null && isNumeric(valueString)) { potionType = PotionEffectType.getById(Integer.parseInt(valueString)); } if (potionType == null) throw new Exception(); value = potionType; } catch (Exception ex) { throw parseToException("potioneffect type", valueString, methodName); } } } break; } } if (methodToUse == null) { throw new Exception(ChatColor.RED + "Cannot find the option " + methodName); } methodToUse.invoke(disguise.getWatcher(), value); } // Alright. We've constructed our disguise. return disguise; } private Exception parseToException(String expectedValue, String receivedInstead, String methodName) { return new Exception(ChatColor.RED + "Expected " + ChatColor.GREEN + expectedValue + ChatColor.RED + ", received " + ChatColor.GREEN + receivedInstead + ChatColor.RED + " instead for " + ChatColor.GREEN + methodName); } private ItemStack parseToItemstack(String string) throws Exception { String[] split = string.split(":", -1); if (isNumeric(split[0])) { int itemId = Integer.parseInt(split[0]); short itemDura = 0; if (split.length > 1) { if (isNumeric(split[1])) { itemDura = Short.parseShort(split[1]); } else { throw parseToException("item ID:Durability combo", string, "%s"); } } return new ItemStack(itemId, 1, itemDura); } else { if (split.length == 1) { throw parseToException("item ID", string, "%s"); } else { throw parseToException("item ID:Durability combo", string, "%s"); } } } protected abstract void sendCommandUsage(CommandSender sender); }