snapcast/message/jsonMessage.h
2016-04-05 22:39:39 +02:00

83 lines
1.5 KiB
C++

/***
This file is part of snapcast
Copyright (C) 2014-2016 Johannes Pohl
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 JSON_MESSAGE_H
#define JSON_MESSAGE_H
#include "message.h"
#include "externals/json.hpp"
using json = nlohmann::json;
namespace msg
{
class JsonMessage : public BaseMessage
{
public:
JsonMessage(message_type msgType) : BaseMessage(msgType)
{
}
virtual ~JsonMessage()
{
}
virtual void read(std::istream& stream)
{
std::string s;
readVal(stream, s);
msg = json::parse(s);
}
virtual uint32_t getSize() const
{
return sizeof(uint32_t) + msg.dump().size();
}
json msg;
protected:
virtual void doserialize(std::ostream& stream) const
{
writeVal(stream, msg.dump());
}
template<typename T>
T get(const std::string& what, const T& def)
{
try
{
return msg[what].get<T>();
}
catch(...)
{
return def;
}
}
};
}
#endif