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/*
* @file formatter_json_rpc.cc
* @brief formatter_json_rpc source file.
*/
// Copyright (c) 2013, Ford Motor Company
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following
// disclaimer in the documentation and/or other materials provided with the
// distribution.
//
// Neither the name of the Ford Motor Company nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 'A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#include "formatters/formatter_json_rpc.h"
#include "utils/convert_utils.h"
namespace ns_smart_device_link {
namespace ns_json_handler {
namespace formatters {
namespace strings = ns_json_handler::strings;
const char* FormatterJsonRpc::kRequest = "request";
const char* FormatterJsonRpc::kResponse = "response";
const char* FormatterJsonRpc::kNotification = "notification";
const char* FormatterJsonRpc::kErrorResponse = "error_response";
const char* FormatterJsonRpc::kJsonRpc = "jsonrpc";
const char* FormatterJsonRpc::kJsonRpcExpectedValue = "2.0";
const char* FormatterJsonRpc::kId = "id";
const char* FormatterJsonRpc::kMethod = "method";
const char* FormatterJsonRpc::kParams = "params";
const char* FormatterJsonRpc::kResult = "result";
const char* FormatterJsonRpc::kError = "error";
const char* FormatterJsonRpc::kCode = "code";
const char* FormatterJsonRpc::kData = "data";
const char* FormatterJsonRpc::kMessage = "message";
bool FormatterJsonRpc::ToString(const ns_smart_objects::SmartObject& obj,
std::string& out_str) {
bool result = true;
try {
Json::Value root(Json::objectValue);
root[kJsonRpc] = kJsonRpcExpectedValue;
ns_smart_objects::SmartObject formatted_object(obj);
Json::Value msg_params_json(Json::objectValue);
formatted_object.getSchema().unapplySchema(formatted_object);
bool is_message_params = formatted_object.keyExists(strings::S_MSG_PARAMS);
bool empty_message_params = true;
if (true == is_message_params) {
const ns_smart_objects::SmartObject& msg_params =
formatted_object.getElement(strings::S_MSG_PARAMS);
result = (ns_smart_objects::SmartType_Map == msg_params.getType());
if (true == result) {
objToJsonValue(msg_params, msg_params_json);
}
if (0 < msg_params.length()) {
empty_message_params = false;
}
}
if (false == formatted_object.keyExists(strings::S_PARAMS)) {
result = false;
} else {
const ns_smart_objects::SmartObject& params =
formatted_object.getElement(strings::S_PARAMS);
if (ns_smart_objects::SmartType_Map != params.getType()) {
result = false;
} else {
const ns_smart_objects::SmartObject& message_type_object =
params.getElement(strings::S_MESSAGE_TYPE);
if (ns_smart_objects::SmartType_String !=
message_type_object.getType()) {
result = false;
} else {
const std::string message_type = message_type_object.asString();
if (kRequest == message_type) {
if (false == empty_message_params) {
root[kParams] = msg_params_json;
}
result = result && SetMethod(params, root);
result = result && SetId(params, root);
} else if (kResponse == message_type) {
root[kResult] = msg_params_json;
result = result && SetMethod(params, root[kResult]);
result = result && SetId(params, root);
if (false == params.keyExists(strings::kCode)) {
result = false;
} else {
const ns_smart_objects::SmartObject& code =
params.getElement(strings::kCode);
if (ns_smart_objects::SmartType_Integer != code.getType()) {
result = false;
} else {
root[kResult][kCode] =
utils::ConvertInt64ToLongLongInt(code.asInt());
}
}
} else if (kNotification == message_type) {
root[kParams] = msg_params_json;
result = result && SetMethod(params, root);
} else if (kErrorResponse == message_type) {
result = result && SetId(params, root);
result = result && SetMethod(params, root[kError][kData]);
result = result && SetMessage(params, root[kError]);
const ns_smart_objects::SmartObject& code =
params.getElement(strings::kCode);
if (ns_smart_objects::SmartType_Integer != code.getType()) {
result = false;
} else {
root[kError][kCode] =
utils::ConvertInt64ToLongLongInt(code.asInt());
}
}
}
}
}
out_str = root.toStyledString();
} catch (...) {
result = false;
}
return result;
}
bool FormatterJsonRpc::SetMethod(const ns_smart_objects::SmartObject& params,
Json::Value& method_container) {
bool result = false;
if (true == params.keyExists(strings::S_FUNCTION_ID)) {
const ns_smart_objects::SmartObject& function_id =
params.getElement(strings::S_FUNCTION_ID);
if (ns_smart_objects::SmartType_String == function_id.getType()) {
method_container[kMethod] = function_id.asString();
result = true;
}
}
return result;
}
bool FormatterJsonRpc::SetId(const ns_smart_objects::SmartObject& params,
Json::Value& id_container) {
bool result = false;
if (true == params.keyExists(strings::S_CORRELATION_ID)) {
const ns_smart_objects::SmartObject& id =
params.getElement(strings::S_CORRELATION_ID);
if (ns_smart_objects::SmartType_Integer == id.getType()) {
id_container[kId] = utils::ConvertUInt64ToLongLongUInt(id.asUInt());
result = true;
}
}
return result;
}
bool FormatterJsonRpc::SetMessage(const ns_smart_objects::SmartObject& params,
Json::Value& message_container) {
bool result = false;
if (true == params.keyExists(strings::kMessage)) {
const ns_smart_objects::SmartObject& message =
params.getElement(strings::kMessage);
if (ns_smart_objects::SmartType_String == message.getType()) {
message_container[kMessage] = message.asString();
result = true;
}
}
return result;
}
} // namespace formatters
} // namespace ns_json_handler
} // namespace ns_smart_device_link
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