diff Framework/Oracle/ParseDicomSuccessMessage.cpp @ 1151:48befc2bf66d broker

ParseDicomFromWadoCommand
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 15 Nov 2019 17:34:19 +0100
parents
children 0ca50d275b9a
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Oracle/ParseDicomSuccessMessage.cpp	Fri Nov 15 17:34:19 2019 +0100
@@ -0,0 +1,107 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2019 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "ParseDicomSuccessMessage.h"
+
+#include <Core/DicomParsing/ParsedDicomFile.h>
+#include <Core/HttpServer/MultipartStreamReader.h>
+#include <Core/OrthancException.h>
+
+namespace OrthancStone
+{
+  class MultipartHandler : public Orthanc::MultipartStreamReader::IHandler
+  {
+  private:
+    std::auto_ptr<Orthanc::ParsedDicomFile>  dicom_;
+    size_t                                   size_;
+
+  public:
+    MultipartHandler() :
+      size_(0)
+    {
+    }
+      
+    virtual void HandlePart(const std::map<std::string, std::string>& headers,
+                            const void* part,
+                            size_t size)
+    {
+      if (dicom_.get())
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
+                                        "Multiple DICOM instances were contained in a WADO-RS request");
+      }
+      else
+      {
+        dicom_.reset(new Orthanc::ParsedDicomFile(part, size));
+        size_ = size;
+      }
+    }
+
+    Orthanc::ParsedDicomFile* ReleaseDicom()
+    {
+      if (dicom_.get())
+      {
+        return dicom_.release();
+      }
+      else
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
+                                        "WADO-RS request didn't contain any DICOM instance");
+      }
+    }
+
+    size_t GetSize() const
+    {
+      return size_;
+    }
+  };
+
+  
+  Orthanc::ParsedDicomFile* ParseDicomSuccessMessage::ParseWadoAnswer(
+    size_t& fileSize /* OUT */,
+    const std::string& answer,
+    const std::map<std::string, std::string>& headers)
+  {
+    std::string contentType, subType, boundary, header;
+    if (Orthanc::MultipartStreamReader::GetMainContentType(header, headers) &&
+        Orthanc::MultipartStreamReader::ParseMultipartContentType(contentType, subType, boundary, header) &&
+        contentType == "multipart/related" &&
+        subType == "application/dicom")
+    {
+      MultipartHandler handler;
+
+      {
+        Orthanc::MultipartStreamReader reader(boundary);
+        reader.SetHandler(handler);
+        reader.AddChunk(answer);
+        reader.CloseStream();
+      }
+
+      fileSize = handler.GetSize();
+      return handler.ReleaseDicom();
+    }
+    else
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
+                                      "Multipart/related answer of application/dicom was expected from DICOMweb server");
+    }
+  }
+}