001package net.minecraft.command;
002
003import java.util.List;
004import java.util.regex.Matcher;
005import net.minecraft.server.MinecraftServer;
006
007public 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}