public void BulkDataRead()
{
File.WriteAllText("test.txt", "xxx!");
var path = Path.GetFullPath("test.txt");
var bulkData = new BulkDataUriByteBuffer("file:" + path);
Assert.Throws <InvalidOperationException>(() => bulkData.Data);
Assert.Throws <InvalidOperationException>(() => bulkData.Size);
var target = new DicomDataset {
new DicomOtherWord(DicomTag.PixelData, bulkData)
};
var json = JsonConvert.SerializeObject(target, Formatting.Indented, new JsonDicomConverter());
var reconstituated = JsonConvert.DeserializeObject <DicomDataset>(json, new JsonDicomConverter());
var json2 = JsonConvert.SerializeObject(reconstituated, Formatting.Indented, new JsonDicomConverter());
Assert.Equal(json, json2);
DownloadBulkData(reconstituated.Get <BulkDataUriByteBuffer>(DicomTag.PixelData));
DownloadBulkData(bulkData);
Assert.True(ValueEquals(target, reconstituated));
byte[] expectedPixelData = File.ReadAllBytes("test.txt");
File.Delete("test.txt");
Assert.Equal(target.Get <IByteBuffer>(DicomTag.PixelData).Size, (uint)expectedPixelData.Length);
Assert.True(target.Get <byte[]>(DicomTag.PixelData).SequenceEqual(expectedPixelData));
Assert.Equal(reconstituated.Get <IByteBuffer>(DicomTag.PixelData).Size, (uint)expectedPixelData.Length);
Assert.True(reconstituated.Get <byte[]>(DicomTag.PixelData).SequenceEqual(expectedPixelData));
}
private void DownloadBulkData(BulkDataUriByteBuffer bulkData)
{
var request = WebRequest.Create(bulkData.BulkDataUri);
using (var response = request.GetResponse())
using (var responseStream = response.GetResponseStream())
{
bulkData.Data = new byte[response.ContentLength];
responseStream.Read(bulkData.Data, 0, (int)response.ContentLength);
}
}
private static IBulkDataUriByteBuffer ReadJsonBulkDataUri(JsonReader reader)
{
reader.Read();
if (reader.TokenType != JsonToken.String)
{
throw new JsonReaderException("Malformed DICOM json");
}
var data = new BulkDataUriByteBuffer((string)reader.Value);
reader.Read();
return(data);
}
public static IEnumerable <FileToStore> FillDataWithBlobDataUris(DicomDataset dataset, IEnumerable <string> files)
{
var result = new List <FileToStore>();
foreach (var enumerateFile in files)
{
var uri = $"urn:uuid:{Guid.NewGuid()}";
var bulkDataUri = new BulkDataUriByteBuffer(uri);
var pixelData = new DicomOtherWord(DicomTag.PixelData, bulkDataUri);
dataset.AddOrUpdate(pixelData);
result.Add(new FileToStore
{
ContentLocaltionHeader = uri,
FilePath = enumerateFile,
Metadata = new DicomDataset(dataset)
});
}
return(result);
}
public void BulkDataRead()
{
File.WriteAllText("test.txt", "xxx!");
var path = Path.GetFullPath("test.txt");
var bulkData = new BulkDataUriByteBuffer("file:" + path);
Assert.Throws<InvalidOperationException>(() => bulkData.Data);
Assert.Throws<InvalidOperationException>(() => bulkData.Size);
var target = new DicomDataset { new DicomOtherWord(DicomTag.PixelData, bulkData) };
var json = JsonConvert.SerializeObject(target, Formatting.Indented, new JsonDicomConverter());
var reconstituated = JsonConvert.DeserializeObject<DicomDataset>(json, new JsonDicomConverter());
Console.WriteLine(json);
var json2 = JsonConvert.SerializeObject(reconstituated, Formatting.Indented, new JsonDicomConverter());
Assert.Equal(json, json2);
DownloadBulkData(reconstituated.Get<BulkDataUriByteBuffer>(DicomTag.PixelData));
DownloadBulkData(bulkData);
Assert.True(ValueEquals(target, reconstituated));
byte[] expectedPixelData = File.ReadAllBytes("test.txt");
File.Delete("test.txt");
Assert.Equal(target.Get<IByteBuffer>(DicomTag.PixelData).Size, (uint)expectedPixelData.Length);
Assert.True(target.Get<byte[]>(DicomTag.PixelData).SequenceEqual(expectedPixelData));
Assert.Equal(reconstituated.Get<IByteBuffer>(DicomTag.PixelData).Size, (uint)expectedPixelData.Length);
Assert.True(reconstituated.Get<byte[]>(DicomTag.PixelData).SequenceEqual(expectedPixelData));
}
private void DownloadBulkData(BulkDataUriByteBuffer bulkData)
{
var request = WebRequest.Create(bulkData.BulkDataUri);
using (var response = request.GetResponse())
using (var responseStream = response.GetResponseStream())
{
bulkData.Data = new byte[response.ContentLength];
responseStream.Read(bulkData.Data, 0, (int)response.ContentLength);
}
}
