--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/Engine/PluginsJob.cpp	Fri Oct 12 15:18:10 2018 +0200
@@ -0,0 +1,189 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2018 Osimis S.A., 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/>.
+ **/
+
+
+#include "../../OrthancServer/PrecompiledHeadersServer.h"
+#include "PluginsJob.h"
+
+#if ORTHANC_ENABLE_PLUGINS != 1
+#error The plugin support is disabled
+#endif
+
+
+#include "../../Core/Logging.h"
+#include "../../Core/OrthancException.h"
+
+#include <json/reader.h>
+#include <cassert>
+
+namespace Orthanc
+{
+  PluginsJob::PluginsJob(const _OrthancPluginCreateJob& parameters) :
+    parameters_(parameters)
+  {
+    if (parameters_.job == NULL)
+    {
+      throw OrthancException(ErrorCode_NullPointer);
+    }
+    
+    if (parameters_.target == NULL ||
+        parameters_.finalize == NULL ||
+        parameters_.type == NULL ||
+        parameters_.getProgress == NULL ||
+        parameters_.getContent == NULL ||
+        parameters_.getSerialized == NULL ||
+        parameters_.step == NULL ||
+        parameters_.stop == NULL ||
+        parameters_.reset == NULL)
+    {
+      parameters_.finalize(parameters.job);
+      throw OrthancException(ErrorCode_NullPointer);
+    }
+
+    type_.assign(parameters.type);
+  }
+
+  PluginsJob::~PluginsJob()
+  {
+    assert(parameters_.job != NULL);
+    parameters_.finalize(parameters_.job);
+  }
+
+  JobStepResult PluginsJob::Step()
+  {
+    OrthancPluginJobStepStatus status = parameters_.step(parameters_.job);
+
+    switch (status)
+    {
+      case OrthancPluginJobStepStatus_Success:
+        return JobStepResult::Success();
+
+      case OrthancPluginJobStepStatus_Failure:
+        return JobStepResult::Failure(ErrorCode_Plugin);
+
+      case OrthancPluginJobStepStatus_Continue:
+        return JobStepResult::Continue();
+
+      default:
+        throw OrthancException(ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+  void PluginsJob::Reset()
+  {
+    parameters_.reset(parameters_.job);
+  }
+
+  void PluginsJob::Stop(JobStopReason reason)
+  {
+    switch (reason)
+    {
+      case JobStopReason_Success:
+        parameters_.stop(parameters_.job, OrthancPluginJobStopReason_Success);
+        break;
+
+      case JobStopReason_Failure:
+        parameters_.stop(parameters_.job, OrthancPluginJobStopReason_Failure);
+        break;
+
+      case JobStopReason_Canceled:
+        parameters_.stop(parameters_.job, OrthancPluginJobStopReason_Canceled);
+        break;
+
+      case JobStopReason_Paused:
+        parameters_.stop(parameters_.job, OrthancPluginJobStopReason_Paused);
+        break;
+
+      default:
+        throw OrthancException(ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+  float PluginsJob::GetProgress()
+  {
+    return parameters_.getProgress(parameters_.job);
+  }
+
+  void PluginsJob::GetPublicContent(Json::Value& value)
+  {
+    const char* content = parameters_.getContent(parameters_.job);
+
+    if (content == NULL)
+    {
+      value = Json::objectValue;
+    }
+    else
+    {
+      Json::Reader reader;
+      
+      if (!reader.parse(content, value) ||
+          value.type() != Json::objectValue)
+      {
+        LOG(ERROR) << "A job plugin must provide a JSON object as its public content";
+        throw OrthancException(ErrorCode_Plugin);
+      }
+    }
+  }
+
+  bool PluginsJob::Serialize(Json::Value& value)
+  {
+    const char* serialized = parameters_.getSerialized(parameters_.job);
+
+    if (serialized == NULL)
+    {
+      return false;
+    }
+    else
+    {
+      Json::Reader reader;
+      
+      if (!reader.parse(serialized, value) ||
+          value.type() != Json::objectValue)
+      {
+        LOG(ERROR) << "A job plugin must provide a JSON object as its serialized content";
+        throw OrthancException(ErrorCode_Plugin);
+      }
+
+
+      static const char* KEY_TYPE = "Type";
+      
+      if (value.isMember(KEY_TYPE))
+      {
+        LOG(ERROR) << "The \"Type\" field is for reserved use for serialized job";
+        throw OrthancException(ErrorCode_Plugin);
+      }
+
+      value[KEY_TYPE] = type_;
+      return true;
+    }
+  }
+}