    001    package net.minecraft.command;
    002
    003    import java.util.List;
    004    import java.util.regex.Matcher;
    005    import net.minecraft.server.MinecraftServer;
    006
    007    public class CommandServerPardonIp extends CommandBase
    008    {
    009        public String getCommandName()
    010        {
    011            return "pardon-ip";
    012        }
    013
    014        /**
    015         * Return the required permission level for this command.
    016         */
    017        public int getRequiredPermissionLevel()
    018        {
    019            return 3;
    020        }
    021
    022        /**
    023         * Returns true if the given command sender is allowed to use this command.
    024         */
    025        public boolean canCommandSenderUseCommand(ICommandSender par1ICommandSender)
    026        {
    027            return MinecraftServer.getServer().getConfigurationManager().getBannedIPs().isListActive() && super.canCommandSenderUseCommand(par1ICommandSender);
    028        }
    029
    030        public String getCommandUsage(ICommandSender par1ICommandSender)
    031        {
    032            return par1ICommandSender.translateString("commands.unbanip.usage", new Object[0]);
    033        }
    034
    035        public void processCommand(ICommandSender par1ICommandSender, String[] par2ArrayOfStr)
    036        {
    037            if (par2ArrayOfStr.length == 1 && par2ArrayOfStr[0].length() > 1)
    038            {
    039                Matcher var3 = CommandServerBanIp.IPv4Pattern.matcher(par2ArrayOfStr[0]);
    040
    041                if (var3.matches())
    042                {
    043                    MinecraftServer.getServer().getConfigurationManager().getBannedIPs().remove(par2ArrayOfStr[0]);
    044                    notifyAdmins(par1ICommandSender, "commands.unbanip.success", new Object[] {par2ArrayOfStr[0]});
    045                }
    046                else
    047                {
    048                    throw new SyntaxErrorException("commands.unbanip.invalid", new Object[0]);
    049                }
    050            }
    051            else
    052            {
    053                throw new WrongUsageException("commands.unbanip.usage", new Object[0]);
    054            }
    055        }
    056
    057        /**
    058         * Adds the strings available in this command to the given list of tab completion options.
    059         */
    060        public List addTabCompletionOptions(ICommandSender par1ICommandSender, String[] par2ArrayOfStr)
    061        {
    062            return par2ArrayOfStr.length == 1 ? getListOfStringsFromIterableMatchingLastWord(par2ArrayOfStr, MinecraftServer.getServer().getConfigurationManager().getBannedIPs().getBannedList().keySet()) : null;
    063        }
    064    }