--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/RestApi/RestApi.h	Wed Nov 28 17:22:07 2012 +0100
@@ -0,0 +1,200 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012 Medical Physics Department, CHU 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
+
+#include "../IDynamicObject.h"
+#include "../HttpServer/HttpHandler.h"
+#include "RestApiPath.h"
+#include "RestApiOutput.h"
+
+namespace Orthanc
+{
+  class RestApi : public HttpHandler
+  {
+  private:
+    class SharedCall
+    {
+      friend class RestApi;
+
+    private:
+      RestApiOutput* output_;
+      IDynamicObject* context_;
+      const HttpHandler::Arguments* httpHeaders_;
+      const RestApiPath::Components* uriComponents_;
+      const UriComponents* trailing_;
+
+    public:
+      RestApiOutput& GetOutput()
+      {
+        return *output_;
+      }
+
+      IDynamicObject* GetContext()
+      {
+        return context_;
+      }
+    
+      const HttpHandler::Arguments& GetHttpHeaders() const
+      {
+        return *httpHeaders_;
+      }
+
+      const RestApiPath::Components& GetUriComponents() const
+      {
+        return *uriComponents_;
+      }
+
+      const UriComponents& GetTrailing() const
+      {
+        return *trailing_;
+      }
+
+      std::string GetUriComponent(const std::string& name,
+                                  const std::string& defaultValue)
+      {
+        return HttpHandler::GetArgument(*uriComponents_, name, defaultValue);
+      }
+    };
+
+ 
+  public:
+    class GetCall : public SharedCall
+    {
+      friend class RestApi;
+
+    private:
+      const HttpHandler::Arguments* getArguments_;
+
+    public:
+      std::string GetArgument(const std::string& name,
+                              const std::string& defaultValue)
+      {
+        return HttpHandler::GetArgument(*getArguments_, name, defaultValue);
+      }
+    };
+
+    class PutCall : public SharedCall
+    {
+      friend class RestApi;
+
+    private:
+      const std::string* data_;
+
+    public:
+      const std::string& GetData()
+      {
+        return *data_;
+      }
+    };
+
+    class PostCall : public SharedCall
+    {
+      friend class RestApi;
+
+    private:
+      const std::string* data_;
+
+    public:
+      const std::string& GetData()
+      {
+        return *data_;
+      }
+    };
+
+    class DeleteCall : public SharedCall
+    {
+    };
+
+    typedef void (*GetHandler) (GetCall& call);
+    
+    typedef void (*DeleteHandler) (DeleteCall& call);
+    
+    typedef void (*PutHandler) (PutCall& call);
+    
+    typedef void (*PostHandler) (PostCall& call);
+    
+  private:
+    typedef std::list< std::pair<RestApiPath*, GetHandler> > GetHandlers;
+    typedef std::list< std::pair<RestApiPath*, PutHandler> > PutHandlers;
+    typedef std::list< std::pair<RestApiPath*, PostHandler> > PostHandlers;
+    typedef std::list< std::pair<RestApiPath*, DeleteHandler> > DeleteHandlers;
+
+    // CAUTION: PLEASE INTRODUCE MUTEX BETWEEN CONTEXTS !!!
+    std::auto_ptr<IDynamicObject> context_;
+
+    GetHandlers  getHandlers_;
+    PutHandlers  putHandlers_;
+    PostHandlers  postHandlers_;
+    DeleteHandlers  deleteHandlers_;
+
+    bool IsGetAccepted(const UriComponents& uri);
+    bool IsPutAccepted(const UriComponents& uri);
+    bool IsPostAccepted(const UriComponents& uri);
+    bool IsDeleteAccepted(const UriComponents& uri);
+
+    std::string  GetAcceptedMethods(const UriComponents& uri);
+
+  public:
+    RestApi()
+    {
+    }
+
+    void SetContext(IDynamicObject* context)  // This takes the ownership
+    {
+      context_.reset(context);
+    }
+
+    ~RestApi();
+
+    virtual bool IsServedUri(const UriComponents& uri);
+
+    virtual void Handle(HttpOutput& output,
+                        const std::string& method,
+                        const UriComponents& uri,
+                        const Arguments& headers,
+                        const Arguments& getArguments,
+                        const std::string& postData);
+
+    void Register(const std::string& path,
+                  GetHandler handler);
+
+    void Register(const std::string& path,
+                  PutHandler handler);
+
+    void Register(const std::string& path,
+                  PostHandler handler);
+
+    void Register(const std::string& path,
+                  DeleteHandler handler);
+  };
+}