FileReadTool Class Reference

Basic implementation of the IFileAccess interface. More...

#include <FileReadTool.h>

Inheritance diagram for FileReadTool:

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Collaboration diagram for FileReadTool:

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List of all members.

Public Member Functions
	FileReadTool (const std::string &type, const std::string &name, const IInterface *parent)
	Standard constructor.
virtual	~FileReadTool ()
virtual std::auto_ptr < std::istream >	open (const std::string &url)
	Find the URL and returns an auto_ptr to an input stream interface of an object that can be used to read from the file the URL is pointing to.
virtual const std::vector < std::string > &	protocols () const
	Protocols supported by the instance.
Private Attributes
std::vector< std::string >	m_protocols
	Vector of supported protocols.

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Detailed Description

Basic implementation of the IFileAccess interface.

This tool simply takes a path to a file as url and return the std::istream interface of std::ifstream.

Author:

Marco Clemencic

Date:

2008-01-18

Definition at line 17 of file FileReadTool.h.

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Constructor & Destructor Documentation

FileReadTool::FileReadTool	(	const std::string &	type,
		const std::string &	name,
		const IInterface *	parent
	)

Standard constructor.

Definition at line 7 of file FileReadTool.cpp.

00010                                                      :
00011   base_class(type, name, parent)
00012 {
00013   //declareInterface<IFileAccess>(this);
00014   m_protocols.push_back("file");
}

FileReadTool::~FileReadTool

(

)

[virtual]

Definition at line 16 of file FileReadTool.cpp.

{}

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Member Function Documentation

std::auto_ptr< std::istream > FileReadTool::open

(

const std::string &

url

)

[virtual]

Find the URL and returns an auto_ptr to an input stream interface of an object that can be used to read from the file the URL is pointing to.

Returns an empty pointer if the URL cannot be resolved.

Implements IFileAccess.

Definition at line 18 of file FileReadTool.cpp.

                                                               {
  // remove the optional "file://" from the beginning of the url
  std::string path;
  if ( url.substr(0,7) == "file://" ) {
    path = url.substr(7);
  } else {
    path = url;
  }
  return std::auto_ptr<std::istream>(new std::ifstream(path.c_str()));
}

const std::vector< std::string > & FileReadTool::protocols

(

)

const [virtual]

Protocols supported by the instance.

Implements IFileAccess.

Definition at line 29 of file FileReadTool.cpp.

{
  return m_protocols;
}

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Member Data Documentation

std::vector<std::string> FileReadTool::m_protocols [private]

Vector of supported protocols.

Definition at line 39 of file FileReadTool.h.

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The documentation for this class was generated from the following files:

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r0/GaudiSvc/src/VFSSvc/FileReadTool.h
• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r0/GaudiSvc/src/VFSSvc/FileReadTool.cpp