VFSSvc.h

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/***********************************************************************************\
* (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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* granted to it by virtue of its status as an Intergovernmental Organization        *
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#ifndef GaudiSvc_VFSSvc_H
#define GaudiSvc_VFSSvc_H 1
 
// Include files
#include "GaudiKernel/HashMap.h"
#include "GaudiKernel/IFileAccess.h"
#include "GaudiKernel/Service.h"
 
#include <list>
 
// Forward declarations
class IToolSvc;
class IAlgTool;
 
class VFSSvc : public extends<Service, IFileAccess> {
public:
  using extends::extends;
  StatusCode initialize() override;
  StatusCode finalize() override;
 
  std::unique_ptr<std::istream> open( const std::string& url ) override;
 
  const std::vector<std::string>& protocols() const override;
 
private:
  Gaudi::Property<std::vector<std::string>> m_urlHandlersNames{
      this, "FileAccessTools", {{"FileReadTool"}}, "List of tools implementing the IFileAccess interface."};
  Gaudi::Property<std::string> m_fallBackProtocol{this, "FallBackProtocol", "file",
                                                  "URL prefix to use if the prefix is not present."};
 
  std::vector<std::string> m_protocols;
 
  GaudiUtils::HashMap<std::string, std::vector<IFileAccess*>> m_urlHandlers;
 
  SmartIF<IToolSvc> m_toolSvc;
 
  std::vector<IAlgTool*> m_acquiredTools;
};
 
#endif