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path: root/project2/console/consoleAppEngine.cpp
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#include "consoleAppEngine.h"
#include "consoleEnvironment.h"
#include "../iterate.h"
#include "../xmlObjectLoader.h"
#include <boost/foreach.hpp>
#include <boost/bind.hpp>
#include <iostream>

SimpleMessageException(UnknownPlatformAlias);

/// Session implementation that stores its contents locally in memory, it has no long term persistence
class ConsoleSession : public Session {
	public:
		ConsoleSession() : expiry(0)
		{
		}
		virtual ~ConsoleSession()
		{
		}

		virtual const VariableType & GetValue(const Glib::ustring & name) const
		{
			Values::const_iterator i = vars.find(name);
			if (i == vars.end()) {
				throw Session::VariableNotFound(name);
			}
			return i->second;
		}
		virtual Values GetValuesCopy() const
		{
			return vars;
		}
		virtual void SetValue(const Glib::ustring & name, const VariableType & value)
		{
			vars[name] = value;
		}
		virtual void ClearValue(const Glib::ustring & name)
		{
			vars.erase(name);
		}
		virtual time_t ExpiryTime() const
		{
			return expiry;
		}

	protected:
		virtual void ExpiryTime(time_t t)
		{
			expiry = t;
		}
	private:
		time_t expiry;
		Values vars;
};

ConsoleApplicationEngine::ConsoleApplicationEngine(const ConsoleEnvironment * env, const boost::filesystem::path & f) :
	XmlScriptParser(f, false),
	CheckHost(f),
	ApplicationEngine("console/environment"),
	TaskHost(f),
	ViewHost(f),
	_env(env),
	runtime(new ConsoleSession())
{
	xmlpp::Element * requestRoot = get_document()->get_root_node();
	rollbackBeforeHandle = requestRoot->get_attribute_value("rollbackBeforeHandle") == "true";
	localErrorHandling = requestRoot->get_attribute_value("errorHandling") == "local";
}

ConsoleApplicationEngine::~ConsoleApplicationEngine()
{
}

void
onCheckFailureHelper(boost::intrusive_ptr<const ParamChecker> pc)
{
	throw std::runtime_error(pc->message());
}

void
ConsoleApplicationEngine::process() const
{
	runChecks();
	executeTasks();
	executeViews(boost::bind(&PresenterLoader::createFrom, LoaderBase::getLoader<PresenterLoader, NotSupported>("console"), _1));
	addAppData(headPresenter().get());
}

const Environment *
ConsoleApplicationEngine::env() const
{
	return _env;
}

SessionPtr
ConsoleApplicationEngine::session() const
{
	return runtime;
}

void
ConsoleApplicationEngine::addEnvData(const Presenter *) const
{
}

void
ConsoleApplicationEngine::addAppData(const Presenter *) const
{
}

Glib::ustring
ConsoleApplicationEngine::resolveCurrentConfig() const
{
	ConsolePlatforms::const_iterator i = conplat.find(_env->getPlatform());
	if (i != conplat.end()) {
		return i->second;
	}
	throw UnknownPlatformAlias(_env->getPlatform());
}

void
ConsoleApplicationEngine::loadEngineSection(const xmlpp::Element * e) const
{
	conplat.insert(ConsolePlatforms::value_type(e->get_attribute_value("setting"), e->get_attribute_value("platform")));
}