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/*
* bitz-server, An ICAP server implementation in C++
* Copyright (C) 2012 Uditha Atukorala
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef BITZ_MODIFIER_H
#define BITZ_MODIFIER_H
#include <icap/request.h>
#include <icap/response.h>
namespace bitz {
class Modifier {
public:
/* types of the class factories */
typedef bitz::Modifier * create_t();
typedef void destroy_t( bitz::Modifier * );
struct symbols_t {
void * modifier;
create_t * create;
destroy_t * destroy;
};
Modifier();
virtual ~Modifier();
/**
* Modify the request as needed and return a response object.
*
* @param request request object
* @return response object
*/
virtual icap::Response * modify( icap::Request * request ) throw() =0;
/**
* Preview the request passed in and return a response object. The
* response status of 100 (continue) should be handled by the caller
* and pass the complete request to modify() method.
*
* @param request request object
* @return response object
*/
virtual icap::Response * preview( icap::Request * request ) throw() =0;
private:
};
} /* end of namespace bitz */
#endif /* !BITZ_MODIFIER_H */
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