/// <summary>
/// Deserializes a datafile
/// </summary>
/// <typeparam name="T">The type to deserialize from the datafile</typeparam>
/// <param name="filename">The datafile name</param>
/// <returns></returns>
internal static T DeserializeDatafile <T>(string filename)
{
// Gets the full path
string path = Datafile.GetFullPath(filename);
try
{
// Deserializes
using (var s = FileHelper.OpenRead(path, false))
{
using (GZipStream zs = new GZipStream(s, CompressionMode.Decompress))
{
XmlSerializer xs = new XmlSerializer(typeof(T));
return((T)xs.Deserialize(zs));
}
}
}
catch (InvalidOperationException ex)
{
String message = String.Format("An error occured decompressing {0}, the error message was '{1}' from '{2}'. Try deleting all of the xml.gz files in %APPDATA%\\EVEMon.", filename, ex.Message, ex.Source);
throw new ApplicationException(message, ex);
}
catch (XmlException ex)
{
String message = String.Format("An error occured reading the XML from {0}, the error message was '{1}' from '{2}'. Try deleting all of the xml.gz files in %APPDATA%\\EVEMon.", filename, ex.Message, ex.Source);
throw new ApplicationException(message, ex);
}
}
/// <summary>
/// Deserializes a datafile.
/// </summary>
/// <typeparam name="T">The type to deserialize from the datafile</typeparam>
/// <param name="filename">The datafile name</param>
/// <param name="transform"></param>
/// <returns></returns>
internal static T DeserializeDatafile <T>(string filename, XslCompiledTransform transform = null)
{
// Gets the full path
string path = Datafile.GetFullPath(filename);
try
{
using (Stream stream = FileHelper.OpenRead(path, false))
{
GZipStream gZipStream = new GZipStream(stream, CompressionMode.Decompress);
XmlSerializer xs = new XmlSerializer(typeof(T));
// Deserialization without transform
if (transform == null)
{
return((T)xs.Deserialize(gZipStream));
}
// Deserialization with transform
MemoryStream memoryStream = GetMemoryStream();
XmlTextWriter writer = new XmlTextWriter(memoryStream, Encoding.UTF8);
XmlTextReader reader = new XmlTextReader(gZipStream);
// Apply the XSL transform
writer.Formatting = Formatting.Indented;
transform.Transform(reader, writer);
writer.Flush();
// Deserialize from the given stream
memoryStream.Seek(0, SeekOrigin.Begin);
return((T)xs.Deserialize(memoryStream));
}
}
catch (InvalidOperationException ex)
{
String message =
$"An error occurred decompressing {filename}, the error message was '{ex.Message}' from '{ex.Source}'. " +
$"Try deleting all of the {Datafile.DatafilesExtension} files in %APPDATA%\\EVEMon.";
throw new InvalidOperationException(message, ex);
}
catch (XmlException ex)
{
String message =
$"An error occurred reading the XML from {filename}, the error message was '{ex.Message}' from '{ex.Source}'. " +
$"Try deleting all of the {Datafile.DatafilesExtension} files in %APPDATA%\\EVEMon.";
throw new XmlException(message, ex);
}
}
/// <summary>
/// Deletes the data files.
/// </summary>
public static void DeleteDataFiles()
{
foreach (string file in Datafile.GetFilesFrom(EveMonClient.EVEMonDataDir,
Datafile.DatafilesExtension).Concat(Datafile.GetFilesFrom(EveMonClient.
EVEMonDataDir, Datafile.OldDatafileExtension)))
{
try
{
FileInfo dataFile = new FileInfo(file);
if (dataFile.Exists)
{
FileHelper.DeleteFile(dataFile.FullName);
}
}
catch (UnauthorizedAccessException e)
{
ExceptionHandler.LogException(e, false);
}
}
}
/// <summary>
/// Downloads the updates.
/// </summary>
private void DownloadUpdates()
{
List<SerializableDatafile> datafiles = new List<SerializableDatafile>();
// Copy the list of datafiles
m_args.ChangedFiles.ForEach(x => datafiles.Add(x));
foreach (var dfv in datafiles)
{
// Work out the new names of the files
string urn = String.Format(CultureConstants.DefaultCulture, "{0}/{1}", dfv.Url, dfv.Name);
string oldFilename = Path.Combine(EveClient.EVEMonDataDir, dfv.Name);
string newFilename = String.Format(CultureConstants.DefaultCulture, "{0}.tmp", oldFilename);
// If the file already exists delete it
if (File.Exists(newFilename))
File.Delete(newFilename);
// Show the download dialog, which will download the file
using (UpdateDownloadForm f = new UpdateDownloadForm(urn, newFilename))
{
if (f.ShowDialog() == DialogResult.OK)
{
string filename = Path.GetFileName(newFilename);
Datafile datafile = new Datafile(filename);
if (datafile.MD5Sum != dfv.MD5Sum)
{
File.Delete(newFilename);
continue;
}
ReplaceDatafile(oldFilename, newFilename);
m_args.ChangedFiles.Remove(dfv);
}
}
}
}
/// <summary>
/// Updates the info in the data files section.
/// </summary>
/// <param name="control"></param>
/// <param name="datafile"></param>
private static void UpdateDatafileInfo(DatafileControl control, Datafile datafile)
{
// Data file info
FileInfo fileInfo = new FileInfo(Path.Combine(datafileDir, datafile.Filename));
// Assign info
control.gbDatafile.Text = datafile.Filename;
control.lblMD5Sum.Text = datafile.MD5Sum;
control.dtpDatafiles.Value = fileInfo.LastWriteTime;
}
