Merge pull request meltwater#59 from AdrianDC/json_data

examples: create json_data example for JSON responses

src/examples/CMakeLists.txt

@@ -23,6 +23,7 @@ ADD_SUBDIRECTORY (form_data)
 ADD_SUBDIRECTORY (handlers)
 ADD_SUBDIRECTORY (hello_world)
 ADD_SUBDIRECTORY (hello_world_no_blocking)
+ADD_SUBDIRECTORY (json_data)
 ADD_SUBDIRECTORY (query_params)
 ADD_SUBDIRECTORY (list_endpoints)
 ADD_SUBDIRECTORY (request_logger_plugin)

src/examples/json_data/CMakeLists.txt

@@ -0,0 +1,36 @@
+# Copyright (C) 2014 MediaSift Ltd.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+#
+# Locate project sources
+#
+FILE (GLOB_RECURSE json_data_SRCS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/*.cpp ${CMAKE_CURRENT_SOURCE_DIR}/*.hpp)
+
+#
+# Configure common project settings
+#
+SET (json_data_LIBS ${PROJECT_NAME} ${Boost_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+
+#
+# Executable build rules
+#
+ADD_EXECUTABLE (json_data ${json_data_SRCS})
+TARGET_LINK_LIBRARIES (json_data ${json_data_LIBS})
+INSTALL (TARGETS json_data DESTINATION bin)

src/examples/json_data/main.cpp

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2014 MediaSift Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <served/served.hpp>
+
+#include <boost/property_tree/json_parser.hpp>
+
+/* json_data example
+ *
+ * This is a JSON data example of served in action.
+ */
+int main(int, char const**)
+{
+	served::multiplexer mux;
+
+	mux.handle("/flat")
+		.get([](served::response & res, const served::request &) {
+			boost::property_tree::ptree root;
+			std::string response;
+			std::stringstream ss;
+
+			// Populate JSON response
+			root.put("bool", true);
+			root.put("integer", 123);
+			root.put("string", "String");
+
+			// Export JSON response
+			boost::property_tree::json_parser::write_json(ss, root, true /* human */);
+			res << ss.str();
+		});
+
+	mux.handle("/nested")
+		.get([](served::response & res, const served::request &) {
+			boost::property_tree::ptree root;
+			boost::property_tree::ptree arrayTree;
+			boost::property_tree::ptree flatTree;
+			std::stringstream ss;
+
+			// Populate JSON response
+			flatTree.put("bool", true);
+			flatTree.put("integer", 123);
+			flatTree.put("string", "String");
+			arrayTree.push_back(std::make_pair("", flatTree));
+			arrayTree.push_back(std::make_pair("", flatTree));
+			arrayTree.push_back(std::make_pair("", flatTree));
+			root.add_child("node_array", arrayTree);
+			root.add_child("node_1", flatTree);
+
+			// Export JSON response
+			boost::property_tree::json_parser::write_json(ss, root, true /* human */);
+			res << ss.str();
+		});
+
+	std::cout << "Try this example with:" << std::endl;
+	std::cout << " curl http://localhost:8123/flat" << std::endl;
+	std::cout << " curl http://localhost:8123/nested" << std::endl;
+
+	served::net::server server("127.0.0.1", "8123", mux);
+	server.run(10); // Run with a pool of 10 threads.
+
+	return 0;
+}