Adds JSON serialization helper functions to chromecast/base.

Includes implementations and unittests for Serialize() and Deserialize().

BUG= internal b/20121400

Review URL: https://codereview.chromium.org/1098743003

Cr-Commit-Position: refs/heads/master@{#326195}

1 files changed, 33 insertions, 0 deletions

diff --git a/chromecast/base/serializers.cc b/chromecast/base/serializers.cc
new file mode 100644
index 0000000..366a5d2
--- /dev/null
+++ b/chromecast/base/serializers.cc
@@ -0,0 +1,33 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chromecast/base/serializers.h"
+
+#include "base/json/json_string_value_serializer.h"
+#include "base/logging.h"
+
+namespace chromecast {
+
+scoped_ptr<base::Value> DeserializeFromJson(const std::string& text) {
+  JSONStringValueDeserializer deserializer(text);
+
+  int error_code;
+  std::string error_msg;
+  scoped_ptr<base::Value> value(
+      deserializer.Deserialize(&error_code, &error_msg));
+  DLOG_IF(ERROR, !value) << "JSON error " << error_code << ":" << error_msg;
+
+  // Value will hold the nullptr in case of an error.
+  return value.Pass();
+}
+
+scoped_ptr<std::string> SerializeToJson(const base::Value& value) {
+  scoped_ptr<std::string> json_str(new std::string());
+  JSONStringValueSerializer serializer(json_str.get());
+  if (!serializer.Serialize(value))
+    json_str.reset(nullptr);
+  return json_str.Pass();
+}
+
+}  // namespace chromecast