mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 10:52:30 +00:00
99 lines
2.0 KiB
C++
99 lines
2.0 KiB
C++
//
|
|
// URIStreamFactory.h
|
|
//
|
|
// Library: Foundation
|
|
// Package: URI
|
|
// Module: URIStreamFactory
|
|
//
|
|
// Definition of the URIStreamFactory class.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef Foundation_URIStreamFactory_INCLUDED
|
|
#define Foundation_URIStreamFactory_INCLUDED
|
|
|
|
|
|
#include <istream>
|
|
#include "Poco/Foundation.h"
|
|
|
|
|
|
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
|