geoipcacheitem.cpp

Go to the documentation of this file.
00001 /****************************************************************
00002  *  Vidalia is distributed under the following license:
00003  *
00004  *  Copyright (C) 2006,  Matt Edman, Justin Hipple
00005  *
00006  *  This program is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU General Public License
00008  *  as published by the Free Software Foundation; either version 2
00009  *  of the License, or (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019  *  Boston, MA  02110-1301, USA.
00020  ****************************************************************/
00021 
00022 /**
00023  * \file geoipcacheitem.cpp
00024  * \version $Id: geoipcacheitem.cpp 1238 2006-09-25 17:50:57Z edmanm $
00025  * \brief Cached result of a single IP-to-geolocation result
00026  */
00027 
00028 #include <QStringList>
00029 
00030 #include "geoipcacheitem.h"
00031 
00032 
00033 /** Constructor */
00034 GeoIpCacheItem::GeoIpCacheItem(GeoIp geoip, QDateTime timestamp)
00035 {
00036   _geoip = geoip;
00037   _timestamp = timestamp;
00038 }
00039 
00040 /** Returns a string representing the contents of this cache item, suitable
00041  * for writing to disk. The format is as in the following example:
00042  *                     <Geo IP Data>:<Timestamp>
00043  */
00044 QString
00045 GeoIpCacheItem::toString() const
00046 {
00047   return _geoip.toString() + ":" + QString::number(_timestamp.toTime_t());
00048 }
00049 
00050 /** Returns a GeoIpCacheItem from a string as read from the cache that was
00051  * written to disk. The format is:
00052  *                     <Geo IP Data>:<Timestamp>
00053  */
00054 GeoIpCacheItem
00055 GeoIpCacheItem::fromString(QString cacheString)
00056 {
00057   QDateTime timestamp;
00058   QStringList cacheData = cacheString.split(":");
00059   
00060   GeoIp geoip = GeoIp::fromString(cacheData.at(0));
00061   timestamp.setTime_t(cacheData.at(1).toUInt());
00062   return GeoIpCacheItem(geoip, timestamp);
00063 }
00064 
00065 /** Returns true if the cache item is too old to be considered valid. */
00066 bool
00067 GeoIpCacheItem::isExpired() const
00068 {
00069   /* Consider cache entries to be valid for one month. */
00070   return (_timestamp.addMonths(1) < QDateTime::currentDateTime()); 
00071 }
00072 

Generated on Mon Oct 23 20:08:15 2006 for Vidalia by  doxygen 1.5.0