/// <summary>
/// Creates a <see cref="FilePrinter" /> for the file represented by the specified <see cref="FileInfo" />.
/// </summary>
/// <param name="file">The <see cref="FileInfo" />.</param>
/// <returns>A <see cref="FilePrinter" /> for the specified file.</returns>
/// <exception cref="ArgumentNullException"><paramref name="file" /> is null.</exception>
public static FilePrinter Create(FileInfo file)
{
if (file == null)
{
throw new ArgumentNullException(nameof(file));
}
LogDebug($"Creating file printer for {file.FullName}");
string fileExtension = file.Extension.ToUpperInvariant().Trim('.');
try
{
FilePrinter filePrinter = ObjectFactory.Create <FilePrinter>(fileExtension, file);
LogTrace($"Created {filePrinter.GetType().Name}.");
return(filePrinter);
}
catch (InvalidOperationException)
{
LogTrace($"No match for file type {fileExtension}. Created generic file printer.");
return(new GenericFilePrinter(file));
}
}
/// <summary>
/// Prints the specified file to the specified <see cref="PrintQueue" />.
/// </summary>
/// <param name="file">The file to print.</param>
/// <param name="printQueue">The <see cref="PrintQueue" /> to print the file to.</param>
/// <param name="fileId">The <see cref="Guid" /> to use for the unique file name.</param>
/// <returns>A <see cref="PrintingEngineResult" /> object representing the outcome of the print operation.</returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="file" /> is null.
/// <para>or</para>
/// <paramref name="printQueue" /> is null.
/// </exception>
public PrintingEngineResult Print(FileInfo file, PrintQueue printQueue, Guid fileId)
{
if (file == null)
{
throw new ArgumentNullException(nameof(file));
}
if (printQueue == null)
{
throw new ArgumentNullException(nameof(printQueue));
}
UniqueFile uniqueFile = null;
try
{
LogStatus($"Printing {file.Name} to {printQueue.FullName}");
// Create a uniquely named file to identify the print job
uniqueFile = UniqueFile.Create(file, fileId);
// Create the file printer
FilePrinter filePrinter = FilePrinterFactory.Create(uniqueFile);
filePrinter.StatusChanged += (s, e) => StatusChanged?.Invoke(s, e);
// Print the file and return the result
DateTimeOffset jobStart = DateTimeOffset.Now;
FilePrintResult printResult = filePrinter.Print(printQueue, PrintOptions);
DateTimeOffset jobEnd = DateTimeOffset.Now;
LogStatus($"Finished printing {file.Name}");
return(new PrintingEngineResult(uniqueFile, printResult, jobStart, jobEnd));
}
finally
{
Task.Factory.StartNew(() => DeleteTemporaryFile(uniqueFile));
}
}