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//
// ClassLoaderTest.cpp
//
// Created by Setsu on 7/25/10.
// Copyright 2010 RoundSquare Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
//----------------------------------------
// include
//----------------------------------------
#include <Poco/Logger.h>
#include <Poco/PatternFormatter.h>
#include <Poco/FormattingChannel.h>
#include <Poco/ConsoleChannel.h>
#include <Poco/Format.h>
#include <Poco/ClassLoader.h>
#include <string>
#include "ScopedLogMessage.h"
#include "../Plugin/Plugin.h"
//----------------------------------------
// const
//----------------------------------------
const std::string kSharedLibraryName("libPlugin");
const std::string kPluginNameA("PluginA"); // Note that PluginA is declared as POCO_EXPORT_CLASS in manifest
const std::string kPluginNameB("PluginB"); // Note that PluginB is declared as POCO_EXPORT_CLASS in manifest
const std::string kPluginNameC("PluginC"); // Note that PluginC is declared as POCO_EXPORT_SINGLETON in manifest
const std::string kPluginNames[] = { kPluginNameA, kPluginNameB, kPluginNameC };
const std::size_t kNumPlugin = sizeof(kPluginNames)/sizeof(kPluginNames[0]);
//----------------------------------------
// TestClassLoader
//----------------------------------------
void TestClassLoader( ScopedLogMessage& msg
, Poco::ClassLoader<Plugin>& cl
, const std::string& pluginName)
{
if(cl.canCreate(pluginName))
{
Plugin* pPlugin = cl.classFor(pluginName).create();
msg.Message(Poco::format(" %s created.", pPlugin->name()));
delete pPlugin;
}
try
{
Plugin& plugin = cl.instance(pluginName);
msg.Message(Poco::format(" %s instanciated.", plugin.name()));
}
catch(Poco::InvalidAccessException& exc)
{
msg.Message(" Poco::ClassLoader::instance() failed for non-singleton class.");
msg.Message(Poco::format(" (%s \"%s\")", std::string(exc.name()), pluginName));
}
}
//----------------------------------------
// PrepareConsoleLogger
//----------------------------------------
void PrepareConsoleLogger(const std::string& name, int level=Poco::Message::PRIO_INFORMATION)
{
Poco::FormattingChannel* pFCConsole = new Poco::FormattingChannel(new Poco::PatternFormatter("%t"));
pFCConsole->setChannel(new Poco::ConsoleChannel);
pFCConsole->open();
Poco::Logger::create(name, pFCConsole, level);
}
//----------------------------------------
// main
//----------------------------------------
int main(int /*argc*/, char** /*argv*/)
{
PrepareConsoleLogger(Poco::Logger::ROOT, Poco::Message::PRIO_INFORMATION);
ScopedLogMessage msg("ClassLoaderTest ", "start", "end");
std::string path(kSharedLibraryName);
path.append(Poco::SharedLibrary::suffix());
Poco::ClassLoader<Plugin> cl;
try
{
cl.loadLibrary(path);
if(cl.isLibraryLoaded(path))
{
msg.Message(Poco::format(" Size for manifest for \"%s\": %i", path, cl.manifestFor(path).size()));
for(std::size_t i=0; i<kNumPlugin; ++i)
{
TestClassLoader(msg, cl, kPluginNames[i]);
}
cl.unloadLibrary(path);
}
}
catch(Poco::LibraryLoadException& exc)
{
msg.Message(Poco::format(" %s \"%s\"", std::string(exc.name()), path));
}
return 0;
} |
