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FileStreamFactory.cpp

//
// FileStreamFactory.cpp
//
// $Id: //poco/1.3/Foundation/src/FileStreamFactory.cpp#3 $
//
// Library: Foundation
// Package: URI
// Module:  FileStreamFactory
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/FileStreamFactory.h"
#include "Poco/URI.h"
#include "Poco/Path.h"
#include "Poco/File.h"
#include "Poco/Exception.h"
#include "Poco/FileStream.h"


namespace Poco {


FileStreamFactory::FileStreamFactory()
{
}


00053 FileStreamFactory::~FileStreamFactory()
{
}


00058 std::istream* FileStreamFactory::open(const URI& uri)
{
      poco_assert (uri.isRelative() || uri.getScheme() == "file");

      std::string uriPath = uri.getPath();
      if (uriPath.substr(0, 2) == "./")
            uriPath.erase(0, 2);
      Path p(uriPath, Path::PATH_UNIX);
      p.setNode(uri.getHost());
      return open(p);
}


00071 std::istream* FileStreamFactory::open(const Path& path)
{
      File file(path);
      if (!file.exists()) throw FileNotFoundException(path.toString());
      
      FileInputStream* istr = new FileInputStream(path.toString(), std::ios::binary);
      if (!istr->good())
      {
            delete istr;
            throw OpenFileException(path.toString());
      }     
      return istr;
}


} // namespace Poco

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