/******************************************************************************
* Icinga 2 *
-* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
+* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
#include "base/serializer.h"
#include "base/type.h"
-#include <boost/smart_ptr/make_shared.hpp>
+#include "base/application.h"
+#include "base/objectlock.h"
+#include <boost/foreach.hpp>
+#include <cJSON.h>
using namespace icinga;
-Dictionary::Ptr Serializer::Serialize(const Object::Ptr& object, int attributeTypes)
+/**
+ * Serializes a Value into a JSON string.
+ *
+ * @returns A string representing the Value.
+ */
+String icinga::JsonSerialize(const Value& value)
{
- const Type *type = object->GetReflectionType();
+ cJSON *json = value.ToJson();
- Dictionary::Ptr update = boost::make_shared<Dictionary>();
+ char *jsonString;
+
+ if (Application::IsDebugging())
+ jsonString = cJSON_Print(json);
+ else
+ jsonString = cJSON_PrintUnformatted(json);
+
+ cJSON_Delete(json);
+
+ String result = jsonString;
+
+ free(jsonString);
+
+ return result;
+}
+
+/**
+ * Deserializes the string representation of a Value.
+ *
+ * @param data A JSON string obtained from JsonSerialize
+ * @returns The newly deserialized Value.
+ */
+Value icinga::JsonDeserialize(const String& data)
+{
+ cJSON *json = cJSON_Parse(data.CStr());
+
+ if (!json)
+ BOOST_THROW_EXCEPTION(std::runtime_error("Invalid JSON String: " + data));
+
+ Value value = Value::FromJson(json);
+ cJSON_Delete(json);
+
+ return value;
+}
+
+static Array::Ptr SerializeArray(const Array::Ptr& input, int attributeTypes)
+{
+ Array::Ptr result = make_shared<Array>();
+
+ ObjectLock olock(input);
+
+ BOOST_FOREACH(const Value& value, input) {
+ result->Add(Serialize(value, attributeTypes));
+ }
+
+ return result;
+}
+
+static Dictionary::Ptr SerializeDictionary(const Dictionary::Ptr& input, int attributeTypes)
+{
+ Dictionary::Ptr result = make_shared<Dictionary>();
+
+ ObjectLock olock(input);
+
+ BOOST_FOREACH(const Dictionary::Pair& kv, input) {
+ result->Set(kv.first, Serialize(kv.second, attributeTypes));
+ }
+
+ return result;
+}
+
+static Object::Ptr SerializeObject(const Object::Ptr& input, int attributeTypes)
+{
+ const Type *type = input->GetReflectionType();
+
+ VERIFY(type);
+
+ Dictionary::Ptr fields = make_shared<Dictionary>();
for (int i = 0; i < type->GetFieldCount(); i++) {
Field field = type->GetFieldInfo(i);
if ((field.Attributes & attributeTypes) == 0)
continue;
- update->Set(field.Name, object->GetField(i));
+ fields->Set(field.Name, Serialize(input->GetField(i), attributeTypes));
}
- return update;
+ fields->Set("type", type->GetName());
+
+ return fields;
}
-void Serializer::Deserialize(const Object::Ptr& object, const Dictionary::Ptr& update, int attributeTypes)
+static Array::Ptr DeserializeArray(const Array::Ptr& input, bool safe_mode, int attributeTypes)
{
- const Type *type = object->GetReflectionType();
+ Array::Ptr result = make_shared<Array>();
- for (int i = 0; i < type->GetFieldCount(); i++) {
- Field field = type->GetFieldInfo(i);
+ ObjectLock olock(input);
- if ((field.Attributes & attributeTypes) == 0)
+ BOOST_FOREACH(const Value& value, input) {
+ result->Add(Deserialize(value, safe_mode, attributeTypes));
+ }
+
+ return result;
+}
+
+static Dictionary::Ptr DeserializeDictionary(const Dictionary::Ptr& input, bool safe_mode, int attributeTypes)
+{
+ Dictionary::Ptr result = make_shared<Dictionary>();
+
+ ObjectLock olock(input);
+
+ BOOST_FOREACH(const Dictionary::Pair& kv, input) {
+ result->Set(kv.first, Deserialize(kv.second, attributeTypes));
+ }
+
+ return result;
+}
+
+static Object::Ptr DeserializeObject(const Object::Ptr& object, const Dictionary::Ptr& input, bool safe_mode, int attributeTypes)
+{
+ const Type *type;
+
+ if (object)
+ type = object->GetReflectionType();
+ else
+ type = Type::GetByName(input->Get("type"));
+
+ if (!type)
+ return object;
+
+ Object::Ptr instance = object;
+
+ if (!instance) {
+ if (safe_mode && !type->IsSafe())
+ BOOST_THROW_EXCEPTION(std::runtime_error("Tried to instantiate type '" + type->GetName() + "' which is not marked as safe."));
+
+ instance = type->Instantiate();
+ }
+
+ ObjectLock olock(input);
+ BOOST_FOREACH(const Dictionary::Pair& kv, input) {
+ if (kv.first.IsEmpty())
+ continue;
+
+ int fid = type->GetFieldId(kv.first);
+
+ if (fid < 0)
continue;
- if (!update->Contains(field.Name))
+ Field field = type->GetFieldInfo(fid);
+
+ if ((field.Attributes & attributeTypes) == 0)
continue;
- object->SetField(i, update->Get(field.Name));
+ try {
+ instance->SetField(fid, Deserialize(kv.second, safe_mode, attributeTypes));
+ } catch (const std::exception&) {
+ instance->SetField(fid, Empty);
+ }
}
+
+ return instance;
+}
+
+Value icinga::Serialize(const Value& value, int attributeTypes)
+{
+ if (!value.IsObject())
+ return value;
+
+ Object::Ptr input = value;
+
+ Array::Ptr array = dynamic_pointer_cast<Array>(input);
+
+ if (array != NULL)
+ return SerializeArray(array, attributeTypes);
+
+ Dictionary::Ptr dict = dynamic_pointer_cast<Dictionary>(input);
+
+ if (dict != NULL)
+ return SerializeDictionary(dict, attributeTypes);
+
+ return SerializeObject(input, attributeTypes);
+}
+
+Value icinga::Deserialize(const Value& value, bool safe_mode, int attributeTypes)
+{
+ return Deserialize(Object::Ptr(), value, safe_mode, attributeTypes);
+}
+
+Value icinga::Deserialize(const Object::Ptr& object, const Value& value, bool safe_mode, int attributeTypes)
+{
+ if (!value.IsObject())
+ return value;
+
+ Object::Ptr input = value;
+
+ Array::Ptr array = dynamic_pointer_cast<Array>(input);
+
+ if (array != NULL)
+ return DeserializeArray(array, safe_mode, attributeTypes);
+
+ Dictionary::Ptr dict = dynamic_pointer_cast<Dictionary>(input);
+
+ ASSERT(dict != NULL);
+
+ if (!dict->Contains("type"))
+ return DeserializeDictionary(dict, safe_mode, attributeTypes);
+
+ return DeserializeObject(object, dict, safe_mode, attributeTypes);
}
projects / icinga2 / blobdiff