better command restrict logic for coebot

gistfile1.java

				} else if (msg[1].equalsIgnoreCase("restrict")
						&& msg.length >= 4) {
					String command = msg[2].toLowerCase();
					String levelStr = msg[3].toLowerCase();
					int level = -1;
					String cleanLevelStr = "";
					if (channelInfo.getCommand(command) != null) {
						if (levelStr.equalsIgnoreCase("owner")
								|| levelStr.equalsIgnoreCase("owners")) {
							level = 3;
							cleanLevelStr = "Owners";
						}
						if (levelStr.equalsIgnoreCase("mod")
								|| levelStr.equalsIgnoreCase("mods")
								|| levelStr.equalsIgnoreCase("moderator")
								|| levelStr.equalsIgnoreCase("moderators")
								|| levelStr.equalsIgnoreCase("op")
								|| levelStr.equalsIgnoreCase("ops")) {
							level = 2;
							cleanLevelStr = "Mods";
						}
						if (levelStr.equalsIgnoreCase("regular")
								|| levelStr.equalsIgnoreCase("regulars")
								|| levelStr.equalsIgnoreCase("reg")
								|| levelStr.equalsIgnoreCase("regs")) {
							level = 1;
							cleanLevelStr = "Regulars";
						}
						if (levelStr.equalsIgnoreCase("everyone")
								|| levelStr.equalsIgnoreCase("all")) {
							level = 0;
							cleanLevelStr = "Everyone";
						}
						
						if (level == -1) {
							send(channel, "Unknown access level: \"" + levelStr + "\"");
							
						} else if (channelInfo.setCommandsRestriction(command, level)) {
							send(channel, prefix + command + " restricted to "
									+ cleanLevelStr + ".");
						} else {
							send(channel, "Error setting restriction.");
						}
					} else {
						send(channel, "Command does not exist.");
					}
				}