public ITaskResult Execute(JobTicket objJobTicket)
{
TaskResultType enuTaskResult = TaskResultType.Completed;
DownloadResult objDownloadResult = null;
DownloadRequestSession objDownloadRequestSession = new DownloadRequestSession(this, objJobTicket);
try
{
enuTaskResult = Execute(objDownloadRequestSession);
objDownloadResult = new DownloadResult(this, enuTaskResult, objDownloadRequestSession.DownloadStats);
}
catch (Exception objException)
{
ErrorMessage objErrorMessage = new ErrorMessage(objException);
ApplicationManager.Logs.WriteMessage(objErrorMessage);
string strErrorMessage = objException.ToString();
objDownloadResult = new DownloadResult(this, TaskResultType.Failed, objDownloadRequestSession.DownloadStats, strErrorMessage);
}
return(objDownloadResult);
}
public override TaskResultType Execute(DownloadRequestSession objDownloadRequestSession)
{
throw new NotSupportedException("The 'EmptyDownloadRequest' class cannot be executed.");
}
public override TaskResultType Execute(DownloadRequestSession objDownloadRequestSession)
{
TaskResultType enuTaskResult = TaskResultType.Completed;
objDownloadRequestSession.UpdateProgess();
HttpWebRequest objWebRequest = (HttpWebRequest)WebRequest.Create(base.Source);
if (base.Credentials != null)
{
objWebRequest.Credentials = base.Credentials.CreateNetworkCredentials();
}
objWebRequest.Timeout = base.TimeOut;
objWebRequest.Proxy = ProxySettings.DefaultProxy;
using (HttpWebResponse objWebResponse = (HttpWebResponse)objWebRequest.GetResponse())
{
objDownloadRequestSession.DownloadStats.Size = objWebResponse.ContentLength;
objDownloadRequestSession.UpdateProgess();
bool blnFileExists = FileManager.Exists(base.Destination);
if (blnFileExists == true)
{
FileManager.Delete(base.Destination);
}
string strDirectory = Path.GetDirectoryName(base.Destination);
bool blnDirectoryExists = DirectoryManager.Exists(strDirectory);
if (blnDirectoryExists == false)
{
DirectoryManager.Create(strDirectory);
}
using (Stream objResponseStream = objWebResponse.GetResponseStream())
{
using (FileStream objFileStream = new FileStream(base.Destination, FileMode.Create, FileAccess.Write))
{
byte[] bytBuffer = new byte[57344];
int intBytesRead = objResponseStream.Read(bytBuffer, 0, bytBuffer.Length);
while ((intBytesRead != 0) && (objDownloadRequestSession.JobTicket.Cancelled == false))
{
objFileStream.Write(bytBuffer, 0, intBytesRead);
objFileStream.Flush();
objDownloadRequestSession.DownloadStats.BytesReceived += intBytesRead;
objDownloadRequestSession.UpdateProgess();
intBytesRead = objResponseStream.Read(bytBuffer, 0, bytBuffer.Length);
}
}
}
objDownloadRequestSession.DownloadStats.EndTime = DateTime.Now;
objDownloadRequestSession.UpdateProgess();
if (objDownloadRequestSession.JobTicket.Cancelled == true)
{
FileManager.Delete(base.Destination);
}
}
enuTaskResult = ((objDownloadRequestSession.JobTicket.Cancelled == true) ? TaskResultType.Cancelled : TaskResultType.Completed);
return(enuTaskResult);
}
public abstract TaskResultType Execute(DownloadRequestSession objDownloadRequestSession);
