topical media & game development
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lib-of-vs-libs-Poco-include-Poco-URIStreamFactory.h / h



  //
  // URIStreamFactory.h
  //
  // Id: //poco/1.3/Foundation/include/Poco/URIStreamFactory.h#2 
  //
  // Library: Foundation
  // Package: URI
  // Module:  URIStreamFactory
  //
  // Definition of the URIStreamFactory class.
  //
  // 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.
  //
  
  ifndef Foundation_URIStreamFactory_INCLUDED
  define Foundation_URIStreamFactory_INCLUDED
  
  include "Poco/Foundation.h"
  include <istream>
  
  namespace Poco {
  
  class URI;
  
  class Foundation_API URIStreamFactory
This class defines the interface that all URI stream factories must implement. Subclasses must implement the open() method. { public: URIStreamFactory(); Creates the URIStreamFactory. 

          virtual std::istream* open(const URI& uri) = 0;
Tries to create and open an input stream for the resource specified by the given URI. If the stream cannot be opened for whatever reason, an appropriate IOException must be thrown. If opening the stream results in a redirect, a URIRedirection exception should be thrown. 

  protected:
          virtual ~URIStreamFactory();
Destroys the URIStreamFactory. 

  private:
          URIStreamFactory(const URIStreamFactory&);
          URIStreamFactory& operator = (const URIStreamFactory&);
          
          friend class URIStreamOpener;
  };
  
  class Foundation_API URIRedirection
An instance of URIRedirection is thrown by a URIStreamFactory::open() if opening the original URI resulted in a redirection response (such as a MOVED PERMANENTLY in HTTP). { public: URIRedirection(const std::string& uri); URIRedirection(const URIRedirection& redir); URIRedirection& operator = (const URIRedirection& redir); void swap(URIRedirection& redir); const std::string& uri() const; Returns the new URI. private: URIRedirection(); std::string _uri; }; 

  //
  // inlines
  //
  inline const std::string& URIRedirection::uri() const
  {
          return _uri;
  }
  
  } // namespace Poco
  
  endif // Foundation_URIStreamFactory_INCLUDED
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 04/09/2009

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