--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugin/AuthorizationParserBase.h	Wed Mar 22 16:13:52 2017 +0100
@@ -0,0 +1,70 @@
+/**
+ * Advanced authorization plugin for Orthanc
+ * Copyright (C) 2017 Osimis, 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/>.
+ **/
+
+#pragma once
+
+#include "IAuthorizationParser.h"
+#include "ResourceHierarchyCache.h"
+
+namespace OrthancPlugins
+{
+  class AuthorizationParserBase : public IAuthorizationParser
+  {
+  private:
+    std::auto_ptr<ResourceHierarchyCache>  resourceHierarchy_;
+
+    void AddResourceInternal(AccessedResources& target,
+                             Orthanc::ResourceType level,
+                             const std::string& orthancId);
+    
+  protected:
+    void AddOrthancInstance(AccessedResources& target,
+                            const std::string& orthancId);
+
+    void AddOrthancSeries(AccessedResources& target,
+                          const std::string& orthancId);
+
+    void AddOrthancStudy(AccessedResources& target,
+                         const std::string& orthancId);
+
+    void AddOrthancPatient(AccessedResources& target,
+                           const std::string& orthancId);
+
+    void AddDicomStudy(AccessedResources& target,
+                       const std::string& studyDicomUid);
+    
+    void AddDicomSeries(AccessedResources& target,
+                        const std::string& studyDicomUid,
+                        const std::string& seriesDicomUid);
+
+    void AddDicomInstance(AccessedResources& target,
+                          const std::string& studyDicomUid,
+                          const std::string& seriesDicomUid,
+                          const std::string& instanceDicomUid);
+
+  public:
+    AuthorizationParserBase(OrthancPluginContext* context,
+                            ICacheFactory& factory);
+
+    virtual void Invalidate(Orthanc::ResourceType level,
+                            const std::string& id)
+    {
+      resourceHierarchy_->Invalidate(level, id);
+    }
+  };
+}