/*
 * Request.h
 *
 * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef MAD_COMMON_XMLREQUEST_H_
#define MAD_COMMON_XMLREQUEST_H_

#include "RequestHandler.h"
#include <Net/Exception.h>

#include <memory>
#include <sigc++/adaptors/hide.h>

namespace Mad {
namespace Common {

class Request : public RequestHandler {
  private:
    friend class RequestManager;

    sigc::signal<void,const Request&> finished;

    std::auto_ptr<XmlPacket> res;
    Net::Exception exp;

  public:
    typedef sigc::slot<void,const Request&> slot_type;

  protected:
    Request(Connection *connection, uint16_t requestId, slot_type slot)
    : RequestHandler(connection, requestId), exp(Net::Exception::NOT_FINISHED) {
      finished.connect(slot);
      finished.connect(sigc::hide(signalFinished().make_slot()));
    }

    void finish(std::auto_ptr<XmlPacket> result) {res = result; finished(*this);}
    void finish(const XmlPacket& result) {res.reset(new XmlPacket(result)); finished(*this);}
    void finishWithError(const Net::Exception &e) {exp = e; finished(*this);}

    virtual void sendRequest() = 0;
    virtual void handlePacket(const XmlPacket &packet);

  public:
    const XmlPacket& getResult() const throw(Net::Exception) {
      if(res.get())
        return *res;

      throw exp;
    }
};

}
}

#endif /* MAD_COMMON_XMLREQUEST_H_ */