public bool IsReadable(string path)
{
if (OdfReader.IsValidFile(path))
{
return(true);
}
if (IsReadablePdf(path))
{
return(true);
}
if (BinaryReader.IsValidFile(path))
{
return(true);
}
if (OpenSDKReader.IsValidFile(path))
{
return(true);
}
if (OutlookReader.IsValidFile(path))
{
return(true);
}
return(false);
}
public string ReadContents()
{
CheckInternalState();
string contents = string.Empty;
//Stopwatch stopwatch = Stopwatch.StartNew();
if (IsReadablePdf(_InternalFilePath))
{
contents = ReadPdfContents();
}
if (BinaryReader.IsValidFile(_InternalFilePath))
{
IBinaryReader reader = BinaryReader.GetNew(_InternalFilePath);
contents = reader.ReadContents();
}
if (OpenSDKReader.IsValidFile(_InternalFilePath))
{
IOpenSDKReader reader = OpenSDKReader.GetNew(_InternalFilePath);
contents = reader.ReadContents();
}
if (OutlookReader.IsValidFile(_InternalFilePath))
{
IOutlookReader reader = OutlookReader.GetNew(_InternalFilePath);
contents = reader.ReadContents();
if (IncludeEmbeddedFiles)
{
StringBuilder builder = new StringBuilder(contents);
foreach (string tempEmbeddedFile in reader.GetEmbeddedFiles())
{
//NOTE: the GetEmbeddedFiles method of OutlookDataReader creates and
//returns temp files for the attachments, if they exist, therefore
//the caller method is responsible for disposing of them here when
//done
IFileReader embeddedFileReader = new FileReader();
if (embeddedFileReader.IsReadable(tempEmbeddedFile))
{
embeddedFileReader.Open(tempEmbeddedFile);
builder.Append(embeddedFileReader.ReadContents());
}
try
{
File.Delete(tempEmbeddedFile);
}
catch (Exception) { }
}
contents = builder.ToString();
}
}
//stopwatch.Stop();
//if (stopwatch.Elapsed.TotalMinutes > 1)
//{
// //took a long time to read this file, log it
// System.IO.File.AppendAllText("C:\\temp\\crawler\\logs\\LongRunning.log",
// _InternalFilePath + "," + stopwatch.Elapsed.TotalMinutes.ToString("0.00") + Environment.NewLine);
//}
return(contents);
}