diff Plugins/Samples/Common/OrthancPluginException.h @ 2234:a78d15509a1c

cleaner separation of PluginException
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 16 Dec 2016 14:35:35 +0100
parents
children 15637de71fee
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/Samples/Common/OrthancPluginException.h	Fri Dec 16 14:35:35 2016 +0100
@@ -0,0 +1,100 @@
+/**
+ * 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 General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#if !defined(HAS_ORTHANC_EXCEPTION)
+#  error The macro HAS_ORTHANC_EXCEPTION must be defined
+#endif
+
+
+#if HAS_ORTHANC_EXCEPTION == 1
+#  include "../../../Core/OrthancException.h"
+#  define ORTHANC_PLUGINS_GET_ERROR_ENUMERATION  ::Orthanc::ErrorCode
+#  define ORTHANC_PLUGINS_GET_ERROR_CODE(code)   ::Orthanc::ErrorCode_ ## code
+#  define ORTHANC_PLUGINS_GET_EXCEPTION_CLASS    ::Orthanc::OrthancException
+#else
+#  include <orthanc/OrthancCPlugin.h>
+#  define ORTHANC_PLUGINS_GET_ERROR_ENUMERATION  ::OrthancPluginErrorCode
+#  define ORTHANC_PLUGINS_GET_ERROR_CODE(code)   ::OrthancPluginErrorCode_ ## code
+#  define ORTHANC_PLUGINS_GET_EXCEPTION_CLASS    ::OrthancPlugins::PluginException
+#endif
+
+
+#define ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(code)                   \
+  throw ORTHANC_PLUGINS_GET_EXCEPTION_CLASS(static_cast<ORTHANC_PLUGINS_GET_ERROR_ENUMERATION>(code));
+
+
+#define ORTHANC_PLUGINS_THROW_EXCEPTION(code)                           \
+  throw ORTHANC_PLUGINS_GET_EXCEPTION_CLASS(ORTHANC_PLUGINS_GET_ERROR_CODE(code));
+                                                  
+
+#define ORTHANC_PLUGINS_CHECK_ERROR(code)                           \
+  if (code != ORTHANC_PLUGINS_GET_ERROR_CODE(Success))              \
+  {                                                                 \
+    ORTHANC_PLUGINS_THROW_EXCEPTION(code);                          \
+  }
+
+
+namespace OrthancPlugins
+{
+#if HAS_ORTHANC_EXCEPTION == 0
+  class PluginException
+  {
+  private:
+    OrthancPluginErrorCode  code_;
+
+  public:
+    explicit PluginException(OrthancPluginErrorCode code) : code_(code)
+    {
+    }
+
+    OrthancPluginErrorCode GetErrorCode() const
+    {
+      return code_;
+    }
+
+    const char* What(OrthancPluginContext* context) const
+    {
+      const char* description = OrthancPluginGetErrorDescription(context, code_);
+      if (description)
+      {
+        return description;
+      }
+      else
+      {
+        return "No description available";
+      }
+    }
+  };
+#endif
+}