package me.libraryaddict.disguise; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; 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 net.minecraft.v1_6_R3.org.bouncycastle.util.Arrays; import org.apache.commons.lang3.ArrayUtils; import org.bukkit.ChatColor; import org.bukkit.command.CommandExecutor; import org.bukkit.command.CommandSender; import org.bukkit.entity.Player; 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 isNumeric(String string) { try { Integer.parseInt(string); return true; } catch (Exception ex) { return false; } } protected boolean isDouble(String string) { try { Float.parseFloat(string); return true; } catch (Exception ex) { return false; } } protected abstract void sendCommandUsage(CommandSender sender); /** * 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, true, 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 " + 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]; if (float.class == param || double.class == param || int.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 new Exception(ChatColor.RED + "Expected a number, received " + valueString + " instead for " + methodName); } } else if (boolean.class == param) { if (!("true".equalsIgnoreCase(valueString) || "false".equalsIgnoreCase(valueString))) throw new Exception(ChatColor.RED + "Expected true/false, received " + valueString + " instead for " + methodName); value = (boolean) "true".equalsIgnoreCase(valueString); } else if (param == String.class) { value = ChatColor.translateAlternateColorCodes('&', valueString); } } break; } } if (methodToUse == null) { throw new Exception(ChatColor.RED + "Cannot find option " + methodName); } methodToUse.invoke(disguise.getWatcher(), value); } // Alright. We've constructed our disguise. return disguise; } }