chromecast/base/serializers.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromecast/base/serializers.h"
   6
   7 #include "base/json/json_file_value_serializer.h"
   8 #include "base/json/json_string_value_serializer.h"
   9 #include "base/logging.h"
  10
  11 namespace chromecast {
  12
  13 scoped_ptr<base::Value> DeserializeFromJson(const std::string& text) {
  14   JSONStringValueDeserializer deserializer(text);
  15
  16   int error_code = -1;
  17   std::string error_msg;
  18   scoped_ptr<base::Value> value(
  19       deserializer.Deserialize(&error_code, &error_msg));
  20   DLOG_IF(ERROR, !value) << "JSON error " << error_code << ":" << error_msg;
  21
  22   // Value will hold the nullptr in case of an error.
  23   return value.Pass();
  24 }
  25
  26 scoped_ptr<std::string> SerializeToJson(const base::Value& value) {
  27   scoped_ptr<std::string> json_str(new std::string());
  28   JSONStringValueSerializer serializer(json_str.get());
  29   if (!serializer.Serialize(value))
  30     json_str.reset(nullptr);
  31   return json_str.Pass();
  32 }
  33
  34 scoped_ptr<base::Value> DeserializeJsonFromFile(const base::FilePath& path) {
  35   JSONFileValueDeserializer deserializer(path);
  36
  37   int error_code = -1;
  38   std::string error_msg;
  39   scoped_ptr<base::Value> value(
  40       deserializer.Deserialize(&error_code, &error_msg));
  41   DLOG_IF(ERROR, !value) << "JSON error " << error_code << ":" << error_msg;
  42
  43   // Value will hold the nullptr in case of an error.
  44   return value.Pass();
  45 }
  46
  47 bool SerializeJsonToFile(const base::FilePath& path, const base::Value& value) {
  48   JSONFileValueSerializer serializer(path);
  49   return serializer.Serialize(value);
  50 }
  51
  52 }  // namespace chromecast