/// <summary>
/// Method to get the cab list for the event and event type name.
/// </summary>
/// <param name="loginObject">Object containing the login credentials.</param>
/// <returns>Collection of Cab objects.</returns>
public CabCollection GetCabs(ref Login loginObject)
{
//
// return the cab list using the static method of the cab class.
//
return(Cab.GetCabs(this.ID, this.EventTypeName, ref loginObject));
}
/// <summary>
/// Method to save the cab to a folder with a specified file name.
/// </summary>
/// <param name="folderPath">Path to the folder to save the cab at.</param>
/// <param name="fileName">Name of the file to save the cab file as.</param>
/// <param name="overWrite">Flag to overwrite the existing cab file</param>
/// <param name="loginObject">Object containing the login credentials.</param>
/// <returns>true if the cab was saved successfully, else false.</returns>
private bool SaveCab(string folderPath, string fileName, bool overWrite, ref Login loginObject)
{
//
// make sure folder path is ok.
//
if (Directory.Exists(folderPath) == false)
{
//
// TODO: throw directory not accessible exception.
//
}
// check if cab already exists in the folder path before download starts
//
if (File.Exists(Path.Combine(folderPath, fileName)) == true && !overWrite)
{
return(false);
}
//
// get the response from the server for the cab collection url.
//
HttpWebResponse cabResponse = Cab.GetFeedResponseObject(this.CabUrl, ref loginObject);
Stream responseStream = cabResponse.GetResponseStream();
//Stream responseStream = this.GetCabStream(ref loginObject);
FileStream fileStream = new FileStream(Path.Combine(folderPath, fileName), FileMode.OpenOrCreate, FileAccess.Write);
int bufferLength = 256;
Byte[] buffer = new byte[bufferLength];
int bytesRead = responseStream.Read(buffer, 0, bufferLength);
while (bytesRead > 0)
{
fileStream.Write(buffer, 0, bytesRead);
bytesRead = responseStream.Read(buffer, 0, bufferLength);
}
//
// Cleanup the streams and the response.
//
responseStream.Close();
cabResponse.Close();
fileStream.Close();
return(true);
}
/// <summary>
/// Static method to get the list of cabs
/// </summary>
/// <param name="eventID">ID of the event associated with the cab.</param>
/// <param name="eventTypeName">Event type of the event associated with the cab.</param>
/// <param name="loginObject">Object containing the login credentials.</param>
/// <returns>CabCollection object contaning cab objects.</returns>
public static CabCollection GetCabs(int eventID, string eventTypeName, ref Login loginObject)
{
//
// throw argument exception if event id is less than 1
//
if (eventID < 1)
{
throw new ArgumentOutOfRangeException("eventID", "eventID cannot be less than 1.");
}
//
// throw null reference exception if null or empty event type name is passed in.
//
if (string.IsNullOrEmpty(eventTypeName) == true)
{
throw new NullReferenceException("eventTypeName cannot be null or empty.");
}
//
// get the response from the server for the cab collection url.
//
string responseFromServer = Cab.GetFeedResponse(
new Uri(
string.Format(
"{0}cabs.aspx?eventid={1}&eventtypename={2}"
, BASE_URL
, eventID
, eventTypeName
)
)
, ref loginObject
);
XmlNamespaceManager namespaceMgr;
//
// get the entry nodes from the XML
//
XmlNodeList entryNodes = Event.GetEntryNodes(responseFromServer, out namespaceMgr);
//
// instantiate the cab collection object.
//
CabCollection cabCollection = new CabCollection();
//
// parse the entry elements and load the cab objects
//
foreach (XmlNode entryNode in entryNodes)
{
Cab cab = new Cab();
// id - cab id
cab.ID = int.Parse(entryNode.SelectSingleNode("atom:id", namespaceMgr).InnerText);
// updated - product date modified
cab.DateModifiedLocal = DateTime.Parse(entryNode.SelectSingleNode("atom:updated", namespaceMgr).InnerText).ToLocalTime();
// published - product date created
cab.DateCreatedLocal = DateTime.Parse(entryNode.SelectSingleNode("atom:published", namespaceMgr).InnerText).ToLocalTime();
// wer:cabSize - cab size
cab.SizeInBytes = long.Parse(entryNode.SelectSingleNode("wer:cabSize", namespaceMgr).InnerText);
// wer:eventid = event id
cab.EventID = int.Parse(entryNode.SelectSingleNode("wer:eventID", namespaceMgr).InnerText);
// wer:eventTypeName = event type name
cab.EventTypeName = entryNode.SelectSingleNode("wer:eventTypeName", namespaceMgr).InnerText;
// wer:cabFileName = cab file name
cab.CabFileName = entryNode.SelectSingleNode("wer:cabFileName", namespaceMgr).InnerText;
// link - cab url
cab.CabUrl = new Uri(entryNode.SelectSingleNode("atom:link[@rel='enclosure']", namespaceMgr).Attributes["href"].Value);
//
// add the cab object to the cab collection
//
cabCollection.Add(cab);
}
//
// return the cab collection
//
return(cabCollection);
}
