Joshi.Utils.Imap.Imap.GetQuota C# (CSharp) Method

        public void GetQuota(string sFolderName, ref bool bUnlimitedQuota,
            ref int nUsedKBytes, ref int nTotalKBytes)
        {
            ImapResponseEnum eImapResponse = ImapResponseEnum.IMAP_SUCCESS_RESPONSE;
            bool bResult = false;
            bUnlimitedQuota = false;
            nUsedKBytes = 0;
            nTotalKBytes = 0;
            if (!m_bIsLoggedIn)
            {
                try
                {
                    Restore(false);
                }
                catch (ImapException e)
                {
                    if (e.Type != ImapException.ImapErrorEnum.IMAP_ERR_INSUFFICIENT_DATA)
                        throw e;

                    throw new ImapException(ImapException.ImapErrorEnum.IMAP_ERR_NOTCONNECTED);
                }
            }
            if (sFolderName.Length == 0)
            {
                throw new ImapException(ImapException.ImapErrorEnum.IMAP_ERR_INVALIDPARAM);
            }

            ArrayList asResultArray = new ArrayList();
            string sCommand = IMAP_GETQUOTA_COMMAND;
            sCommand += " " + sFolderName +IMAP_COMMAND_EOL;
            try
            {
                eImapResponse = SendAndReceive(sCommand, ref asResultArray);
                if (eImapResponse == ImapResponseEnum.IMAP_SUCCESS_RESPONSE)
                {
                    m_sMailboxName = sFolderName;
                    m_bIsFolderExamined = true;
                    string quotaPrefix = IMAP_UNTAGGED_RESPONSE_PREFIX + " ";
                    quotaPrefix += IMAP_QUOTA_RESPONSE + " ";
                    foreach (string sLine in asResultArray)
                    {
                        if (sLine.StartsWith(quotaPrefix) == true)
                        {
                            // Find the open and close paranthesis, and extract
                            // the part inside out.
                            int nStart = sLine.IndexOf('(');
                            int nEnd = sLine.IndexOf(')', nStart);
                            if (nStart != -1 &&
                                nEnd != -1 &&
                                nEnd > nStart)
                            {
                                string sQuota = sLine.Substring(nStart+1, nEnd-nStart-1 );
                                if (sQuota.Length > 0)
                                {
                                    // Parse the space-delimited quota information which
                                    // will look like "STORAGE <used> <total>"
                                    string [] asArrList; // = new ArrayList();
                                    asArrList = sQuota.Split(' ');

                                    // get the used and total kbytes from these tokens
                                    if (asArrList.Length == 3 &&
                                        asArrList[0] == "STORAGE")
                                    {
                                        nUsedKBytes = Convert.ToInt32(asArrList[1],10);;
                                        nTotalKBytes = Convert.ToInt32(asArrList[2],10);
                                    }
                                    else
                                    {
                                        string error = "Invalid Quota information :" + sQuota;
                                        Log(LogTypeEnum.ERROR, error);
                                        break;
                                    }
                                }
                                else
                                {
                                    bUnlimitedQuota = true;
                                }
                            }
                            else
                            {
                                string error = "Invalid Quota IMAP Response : " + sLine;
                                Log(LogTypeEnum.ERROR, error);
                                break;
                            }
                        }
                            // If the line looks like "<command-tag> OK ..."
                        else if (sLine.IndexOf(IMAP_SERVER_RESPONSE_OK) != -1)
                        {
                            bResult = true;
                            break;
                        }
                    }

                    if (!bResult)
                        throw new ImapException(ImapException.ImapErrorEnum.IMAP_ERR_QUOTA);
                    if (bUnlimitedQuota)
                        Log(LogTypeEnum.INFO, "GETQUOTA quota=[unlimited].");
                    else
                    {
                        string sLogStr ="GETQUOTA used=[" + nUsedKBytes.ToString() +
                            "], total=[" + nTotalKBytes.ToString() + "]";
                        //Log(LogTypeEnum.INFO, sLogStr);
                    }
                }
            }
            catch (Exception e)
            {
                throw e;
            }
        }