oatpp::data: introduce class 'Bundle'.

src/CMakeLists.txt

@@ -115,6 +115,8 @@ add_library(oatpp
         oatpp/core/data/stream/Stream.hpp
         oatpp/core/data/stream/StreamBufferedProxy.cpp
         oatpp/core/data/stream/StreamBufferedProxy.hpp
+        oatpp/core/data/Bundle.cpp
+        oatpp/core/data/Bundle.hpp
         oatpp/core/macro/basic.hpp
         oatpp/core/macro/codegen.hpp
         oatpp/core/macro/component.hpp

src/oatpp/core/data/Bundle.cpp

@@ -0,0 +1,37 @@
+/***************************************************************************
+ *
+ * Project         _____    __   ____   _      _
+ *                (  _  )  /__\ (_  _)_| |_  _| |_
+ *                 )(_)(  /(__)\  )( (_   _)(_   _)
+ *                (_____)(__)(__)(__)  |_|    |_|
+ *
+ *
+ * Copyright 2018-present, Leonid Stryzhevskyi <lganzzzo@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ***************************************************************************/
+
+#include "Bundle.hpp"
+
+namespace oatpp { namespace data {
+
+void Bundle::put(const oatpp::String& key, const oatpp::Void& polymorph) {
+  m_data.insert({key, polymorph});
+}
+
+const std::unordered_map<oatpp::String, oatpp::Void>& Bundle::getAll() const {
+  return m_data;
+}
+
+}}

src/oatpp/core/data/Bundle.hpp

@@ -0,0 +1,61 @@
+/***************************************************************************
+ *
+ * Project         _____    __   ____   _      _
+ *                (  _  )  /__\ (_  _)_| |_  _| |_
+ *                 )(_)(  /(__)\  )( (_   _)(_   _)
+ *                (_____)(__)(__)(__)  |_|    |_|
+ *
+ *
+ * Copyright 2018-present, Leonid Stryzhevskyi <lganzzzo@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ***************************************************************************/
+
+#ifndef oatpp_data_Bundle_hpp
+#define oatpp_data_Bundle_hpp
+
+#include "oatpp/core/Types.hpp"
+
+namespace oatpp { namespace data {
+
+class Bundle {
+private:
+  std::unordered_map<oatpp::String, oatpp::Void> m_data;
+public:
+
+  void put(const oatpp::String& key, const oatpp::Void& polymorph);
+
+  template<typename WrapperType>
+  WrapperType get(const oatpp::String& key) const {
+    auto it = m_data.find(key);
+    if(it == m_data.end()) {
+      throw std::runtime_error("[oatpp::data::Bundle::get()]: "
+                               "Error. Data not found for key '" + *key + "'.");
+    }
+
+    if(it->second.valueType != WrapperType::Class::getType()) {
+      throw std::runtime_error("[oatpp::data::Bundle::get()]: Error. Type mismatch. Stored '" +
+                               std::string(it->second.valueType->classId.name) +
+                               "' vs requested '" + std::string(WrapperType::Class::getType()->classId.name) + "'.");
+    }
+    return it->second.template staticCast<WrapperType>();
+  }
+
+  const std::unordered_map<oatpp::String, oatpp::Void>& getAll() const;
+
+};
+
+}}
+
+#endif //oatpp_data_Bundle_hpp