private void ProcessZipArchive(DataTable dt, IDataLoadEventListener listener, string zipFileName)
{
var skippedEntries = 0;
var corruptedEntries = 0;
try
{
using (var archive = ZipFile.Open(zipFileName, ZipArchiveMode.Read))
foreach (var f in archive.Entries)
{
//it's not a dicom file!
if (!AmbiguousFilePath.IsDicomReference(f.FullName))
{
skippedEntries++;
continue;
}
try
{
var buffer = ByteStreamHelper.ReadFully(f.Open());
using (var memoryStream = new MemoryStream(buffer))
ProcessFile(memoryStream, dt, zipFileName + "!" + f.FullName, listener);
}
catch (Exception e)
{
corruptedEntries++;
RecordError("Zip entry '" + f.FullName + "'", e);
if (corruptedEntries <= 3)
{
continue;
}
listener.OnNotify(this, new NotifyEventArgs(ProgressEventType.Warning, "Skipping the rest of '" + f.FullName + "'", e));
break;
}
}
}
catch (InvalidDataException e)
{
listener.OnNotify(this, new NotifyEventArgs(ProgressEventType.Warning, "Error processing zip file '" + zipFileName + "'", e));
}
if (skippedEntries > 0)
{
listener.OnNotify(this, new NotifyEventArgs(ProgressEventType.Warning, "Skipped '" + skippedEntries + "' in zip archive '" + zipFileName + "' because they did not have .dcm extensions"));
}
UpdateProgressListeners();
}
private void ProcessDirectory(DataTable dt, DirectoryInfo directoryInfo, IDataLoadEventListener listener)
{
listener.OnNotify(this, new NotifyEventArgs(ProgressEventType.Information, "Started Directory '" + directoryInfo.FullName + "' on Thread " + Thread.CurrentThread.ManagedThreadId));
FileInfo[] dicomFiles;
FileInfo[] zipFiles;
try
{
dicomFiles = directoryInfo.EnumerateFiles().Where(f => AmbiguousFilePath.IsDicomReference(f.FullName)).ToArray();
zipFiles = directoryInfo.EnumerateFiles("*.zip").ToArray();
}
catch (Exception e)
{
RecordError(directoryInfo.FullName, e);
return;
}
//process all dcm files in current directory
foreach (var dcmFile in dicomFiles)
{
try
{
using (var fs = dcmFile.OpenRead())
ProcessFile(fs, dt, dcmFile.FullName, listener);
}
catch (Exception e)
{
RecordError(dcmFile.FullName, e);
}
}
foreach (var zipFile in zipFiles)
{
ProcessZipArchive(dt, listener, zipFile.FullName);
}
UpdateProgressListeners();
}
public void TestIsDicomReference(string input, bool expected)
{
Assert.AreEqual(expected, AmbiguousFilePath.IsDicomReference(input));
}