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112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
//
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// BenchmarkApp.cpp
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//
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// $Id$
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//
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// This sample shows a benchmark of the JSON parser.
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//
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// Copyright (c) 2004-2012, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Timestamp.h"
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#include "Poco/JSON/Parser.h"
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#include "Poco/JSON/DefaultHandler.h"
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#include "Poco/JSON/JSONException.h"
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#include "Poco/Environment.h"
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#include "Poco/Path.h"
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#include "Poco/File.h"
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#include "Poco/FileStream.h"
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#include "Poco/StreamCopier.h"
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#include <iostream>
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#include <iomanip>
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void printTimeDiff(const Poco::Timestamp& start, const Poco::Timestamp& end)
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{
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Poco::Timestamp::TimeDiff diff = end - start;
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std::cout << std::setw(25) << std::left << diff;
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}
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int main(int argc, char** argv)
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{
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Poco::JSON::Object::Ptr obj;
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std::string dir = Poco::Environment::get("POCO_BASE") + "/JSON/samples/BenchmarkApp/";
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Poco::Path filePath(dir, "input");
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std::ostringstream ostr;
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if ( filePath.isFile() )
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{
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Poco::File inputFile(filePath);
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if ( inputFile.exists() )
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{
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Poco::FileInputStream fis(filePath.toString());
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Poco::StreamCopier::copyStream(fis, ostr);
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}
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else
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{
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std::cout << filePath.toString() << " doesn't exist!" << std::endl;
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return 1;
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}
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}
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std::cout << std::setw(25) << "POCO JSON";
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std::string jsonStr = ostr.str();
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try
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{
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Poco::JSON::DefaultHandler handler;
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Poco::JSON::Parser parser;
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parser.setHandler(&handler);
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Poco::Timestamp time1;
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parser.parse(jsonStr);
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Poco::DynamicAny result = handler.result();
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Poco::Timestamp time2;
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printTimeDiff(time1, time2);
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if ( result.type() == typeid(Poco::JSON::Object::Ptr) )
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{
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obj = result.extract<Poco::JSON::Object::Ptr>();
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}
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//Serialize to string
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std::ostringstream out;
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Poco::Timestamp time3;
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obj->stringify(out);
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Poco::Timestamp time4;
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printTimeDiff(time3, time4);
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std::cout << std::endl;
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}
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catch(Poco::JSON::JSONException jsone)
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{
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std::cout << jsone.message() << std::endl;
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}
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return 0;
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}
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