diff Framework/Messaging/PluginOrthancConnection.cpp @ 0:4a7a53257c7d

initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 22 Oct 2016 21:48:33 +0200
parents
children 7a88c614be04
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Messaging/PluginOrthancConnection.cpp	Sat Oct 22 21:48:33 2016 +0200
@@ -0,0 +1,132 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, 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 "PluginOrthancConnection.h"
+
+#include "../Orthanc/Core/OrthancException.h"
+
+namespace OrthancWSI
+{
+  class PluginOrthancConnection::MemoryBuffer : public boost::noncopyable
+  {
+  private:
+    OrthancPluginContext*      context_;
+    OrthancPluginMemoryBuffer  buffer_;
+
+    void Clear()
+    {
+      if (buffer_.data != NULL)
+      {
+        OrthancPluginFreeMemoryBuffer(context_, &buffer_);
+        buffer_.data = NULL;
+        buffer_.size = 0;
+      }
+    }
+
+
+  public:
+    MemoryBuffer(OrthancPluginContext* context) : 
+      context_(context)
+    {
+      buffer_.data = NULL;
+      buffer_.size = 0;
+    }
+
+    ~MemoryBuffer()
+    {
+      Clear();
+    }
+
+    void RestApiGet(const std::string& uri)
+    {
+      Clear();
+
+      OrthancPluginErrorCode error = OrthancPluginRestApiGet(context_, &buffer_, uri.c_str());
+
+      if (error == OrthancPluginErrorCode_Success)
+      {
+        // OK, success
+      }
+      else if (error == OrthancPluginErrorCode_UnknownResource ||
+               error == OrthancPluginErrorCode_InexistentItem)
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+      }
+      else
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_Plugin);
+      }
+    }
+
+    void RestApiPost(const std::string& uri,
+                     const std::string& body)
+    {
+      Clear();
+
+      OrthancPluginErrorCode error = OrthancPluginRestApiPost(context_, &buffer_, uri.c_str(), body.c_str(), body.size());
+
+      if (error == OrthancPluginErrorCode_Success)
+      {
+        // OK, success
+      }
+      else if (error == OrthancPluginErrorCode_UnknownResource ||
+               error == OrthancPluginErrorCode_InexistentItem)
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+      }
+      else
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_Plugin);
+      }
+    }
+
+    void ToString(std::string& target) const
+    {
+      if (buffer_.size == 0)
+      {
+        target.clear();
+      }
+      else
+      {
+        target.assign(reinterpret_cast<const char*>(buffer_.data), buffer_.size);
+      }
+    }
+  };
+
+
+
+  void PluginOrthancConnection::ApplyGet(std::string& result,
+                                         const std::string& uri)
+  {
+    MemoryBuffer buffer(context_);
+    buffer.RestApiGet(uri);
+    buffer.ToString(result);
+  }
+
+    
+  void PluginOrthancConnection::ApplyPost(std::string& result,
+                                          const std::string& uri,
+                                          const std::string& body)
+  {
+    MemoryBuffer buffer(context_);
+    buffer.RestApiPost(uri, body);
+    buffer.ToString(result);
+  }
+}