source: XMLIO_V2/external/include/Poco/Net/HTTPStreamFactory.h @ 80

//
// HTTPStreamFactory.h
//
// $Id: //poco/1.3/Net/include/Poco/Net/HTTPStreamFactory.h#2 $
//
// Library: Net
// Package: HTTP
// Module:  HTTPStreamFactory
//
// Definition of the HTTPStreamFactory class.
//
// Copyright (c) 2005-2006, 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 Net_HTTPStreamFactory_INCLUDED
#define Net_HTTPStreamFactory_INCLUDED


#include "Poco/Net/Net.h"
#include "Poco/Net/HTTPSession.h"
#include "Poco/URIStreamFactory.h"


namespace Poco {
namespace Net {


class Net_API HTTPStreamFactory: public Poco::URIStreamFactory
        /// An implementation of the URIStreamFactory interface
        /// that handles Hyper-Text Transfer Protocol (http) URIs.
{
public:
        HTTPStreamFactory();
                /// Creates the HTTPStreamFactory.

        HTTPStreamFactory(const std::string& proxyHost, Poco::UInt16 proxyPort = HTTPSession::HTTP_PORT);
                /// Creates the HTTPStreamFactory.
                ///
                /// HTTP connections will use the given proxy.

        virtual ~HTTPStreamFactory();
                /// Destroys the HTTPStreamFactory.
                
        virtual std::istream* open(const Poco::URI& uri);
                /// Creates and opens a HTTP stream for the given URI.
                /// The URI must be a http://... URI.
                ///
                /// Throws a NetException if anything goes wrong.
                ///
                /// Redirect responses are handled and the redirect
                /// location is automatically resolved, as long
                /// as the redirect location is still accessible
                /// via the HTTP protocol. If a redirection to
                /// a non http://... URI is received, a 
                /// UnsupportedRedirectException exception is thrown.
                /// The offending URI can then be obtained via the message()
                /// method of UnsupportedRedirectException.
                
        static void registerFactory();
                /// Registers the HTTPStreamFactory with the
                /// default URIStreamOpener instance.   

        static void unregisterFactory();
                /// Unregisters the HTTPStreamFactory with the
                /// default URIStreamOpener instance.   
                
private:
        enum
        {
                MAX_REDIRECTS = 10
        };
        
        std::string  _proxyHost;
        Poco::UInt16 _proxyPort;
};


} } // namespace Poco::Net


#endif // Net_HTTPStreamFactory_INCLUDED