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/*
* Copyright 2005,2006 Fabrice Colin
*
* 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 2 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 Library 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 _DOWNLOADER_INTERFACE_H
#define _DOWNLOADER_INTERFACE_H
#include <string>
#include "Document.h"
/// Interface implemented by downloaders.
class DownloaderInterface
{
public:
virtual ~DownloaderInterface();
/// Initializes downloaders.
static void initialize(void);
/// Shutdowns downloaders.
static void shutdown(void);
/**
* Sets a (name, value) setting. Setting names include :
* proxyaddress - the address of the proxy to use
* proxyport - the port of the proxy to use (positive integer)
* proxytype - the type of the proxy to use
* Returns true if success.
*/
virtual bool setSetting(const std::string &name, const std::string &value);
/// Sets timeout.
virtual void setTimeout(unsigned int milliseconds);
/// Retrieves the specified document; NULL if error. Caller deletes.
virtual Document *retrieveUrl(const DocumentInfo &docInfo) = 0;
protected:
unsigned int m_timeout;
DownloaderInterface();
};
#endif // _DOWNLOADER_INTERFACE_H
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