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path: root/project2/console/consoleAppEngine.cpp
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#include "consoleAppEngine.h"
#include "consoleEnvironment.h"
#include "../iterate.h"
#include <stdexcept>
#include <libxml/xinclude.h>

class ConsoleSession : public Session {
	public:
		ConsoleSession() : expiry(0)
		{
		}
		virtual ~ConsoleSession()
		{
		}

		virtual Glib::ustring GetValue(const Glib::ustring & name) const
		{
			Values::const_iterator i = vars.find(name);
			if (i == vars.end()) {
				throw Session::VariableNotFound();
			}
			return i->second;
		}
		virtual Values GetValuesCopy() const
		{
			return vars;
		}
		virtual void SetValue(const Glib::ustring & name, const Glib::ustring & 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) :
	ApplicationEngine(),
	_env(env),
	runtime(new ConsoleSession())
{
	xmlpp::DomParser request(f.string());
	while (xmlXIncludeProcessFlags(request.get_document()->cobj(), XML_PARSE_NOXINCNODE) > 0);

	LoaderBase loader("http://project2.randomdan.homeip.net", true);
	loader.supportedStorers.insert(Storer::into(&this->datasources));
	loader.supportedStorers.insert(Storer::into(&parameterChecks));
	loader.supportedStorers.insert(Storer::into(&tasks));
	loader.collectAll(request.get_document()->get_root_node(), true);
}

ConsoleApplicationEngine::~ConsoleApplicationEngine()
{
}

void
ConsoleApplicationEngine::process() const
{
	BOOST_FOREACH(OrderedParamCheckers::value_type pc, parameterChecks) {
		if (!pc.second->performCheck()) {
			throw std::runtime_error("Check failed");
		}
	}
	try {
		BOOST_FOREACH(NoOutputExecutes::value_type t, tasks) {
			t.second->execute();
		}
		// Commit data source transactions (without invoking a connection)
		BOOST_FOREACH(DataSources::value_type ds, this->datasources) {
			ds.second->commit();
		}
	}
	catch (...) {
		// Do something about the error
		BOOST_FOREACH(DataSources::value_type ds, this->datasources) {
			ds.second->rollback();
		}
		throw;
	}
}

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

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

PresenterPtr
ConsoleApplicationEngine::getPresenter(const std::string & group, const std::string & id) const
{
	return PresenterPtr(new ConsolePresenter(this, group, id));
}

ConsoleApplicationEngine::ConsolePresenter::ConsolePresenter(const ConsoleApplicationEngine *,
		const std::string & group, const std::string & id) :
	Presenter(group, id)
{
}

ConsoleApplicationEngine::ConsolePresenter::~ConsolePresenter()
{
}

Presenter::XmlDocumentPtr
ConsoleApplicationEngine::ConsolePresenter::getDataDocument() const
{
	return Presenter::getDataDocument();
}