internal void SaveData(HttpContext context, LoginStatisticData data)
{
if (null == context)
throw new ArgumentNullException("context");
if (null == data)
throw new ArgumentNullException("data");
lock (lockObject)
{
string fileName = Statistic.GetStatisticsPath(context) + "Logins.xml";
// At last, write the data back to the login statistics file and
// put the data object back to the cache.
try
{
data.WriteXml(fileName);
}
catch (UnauthorizedAccessException ex)
{
HandleNoAccessException(Statistic.GetStatisticsPath(context), ex);
}
catch (SecurityException ex)
{
HandleNoAccessException(Statistic.GetStatisticsPath(context), ex);
}
catch (Exception ex)
{
HandleException(Statistic.GetStatisticsPath(context), ex);
}
context.Cache.Insert("LoginStatisticData", data, null, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration);
}
}
public LoginStatisticData GetData(HttpContext context)
{
if (null == context)
throw new ArgumentNullException("context");
LoginStatisticData data = null;
lock (lockObject)
{
string fileName = Statistic.GetStatisticsPath(context) + "Logins.xml";
// Try to get the login statistics data from the cache.
// If the data is not in the cache, try to load the file.
// At last, if the file doesn't exist, create a new data object.
object obj = context.Cache.Get("LoginStatisticData");
if ((null != obj) && obj.GetType().Equals(typeof(LoginStatisticData)))
{
data = (LoginStatisticData)obj;
}
else if (File.Exists(fileName))
{
data = new LoginStatisticData();
data.ReadXml(fileName);
}
else
{
data = new LoginStatisticData();
}
}
return data;
}
