From c83bd40522678461c5e7ab2a8f2d8be07fe0679f Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Fri, 30 Jul 2010 20:14:16 +0000
Subject: Accept and run checks before presentation

---
 project2/appEngine.h      | 8 ++++----
 project2/cgiAppEngine.cpp | 5 +++++
 project2/cgiAppEngine.h   | 2 +-
 project2/environment.h    | 2 +-
 project2/presenter.cpp    | 1 +
 project2/presenter.h      | 2 ++
 6 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/project2/appEngine.h b/project2/appEngine.h
index 54a8cec..ab8b588 100644
--- a/project2/appEngine.h
+++ b/project2/appEngine.h
@@ -8,10 +8,10 @@
 
 class ApplicationEngine {
 	public:
-		class UriElementOutOfRange : std::exception { };
-		class ParamNotFound : std::exception { };
-		class DataSourceNotFound : std::exception { };
-		class DataSourceNotCompatible : std::exception { };
+		class UriElementOutOfRange : public std::exception { };
+		class ParamNotFound : public std::exception { };
+		class DataSourceNotFound : public std::exception { };
+		class DataSourceNotCompatible : public std::exception { };
 
 		ApplicationEngine(const Environment *);
 		virtual ~ApplicationEngine() = 0;
diff --git a/project2/cgiAppEngine.cpp b/project2/cgiAppEngine.cpp
index 98009a1..51bc089 100644
--- a/project2/cgiAppEngine.cpp
+++ b/project2/cgiAppEngine.cpp
@@ -86,6 +86,11 @@ CgiApplicationEngine::PresentStage::~PresentStage()
 CgiApplicationEngine::Stage *
 CgiApplicationEngine::PresentStage::run()
 {
+	BOOST_FOREACH(OrderedParamCheckers::value_type pc, parameterChecks) {
+		if (!pc.second->performCheck(appEngine)) {
+			return new PresentStage(appEngine, pc.second->present);
+		}
+	}
 	appEngine->doc = getDataDocument();
 	sessionsContainer->CleanUp();
 	return NULL;
diff --git a/project2/cgiAppEngine.h b/project2/cgiAppEngine.h
index a42cedd..c3bd137 100644
--- a/project2/cgiAppEngine.h
+++ b/project2/cgiAppEngine.h
@@ -43,7 +43,6 @@ class CgiApplicationEngine : public ApplicationEngine {
 				virtual Stage * run() = 0;
 			protected:
 				const CgiApplicationEngine * appEngine;
-				OrderedParamCheckers parameterChecks;
 		};
 		class RequestStage : public Stage {
 			public:
@@ -52,6 +51,7 @@ class CgiApplicationEngine : public ApplicationEngine {
 				virtual Stage * run();
 				std::string present;
 			protected:
+				OrderedParamCheckers parameterChecks;
 				NoOutputExecutes tasks;
 		};
 		class PresentStage : public Stage, public Presenter {
diff --git a/project2/environment.h b/project2/environment.h
index a8c6396..97ae4f1 100644
--- a/project2/environment.h
+++ b/project2/environment.h
@@ -6,7 +6,7 @@
 
 class Environment {
 	public:
-		class ParameterTypeNotSupported : std::exception { };
+		class ParameterTypeNotSupported : public std::exception { };
 
 		Environment();
 		virtual ~Environment() = 0;
diff --git a/project2/presenter.cpp b/project2/presenter.cpp
index a471b3d..ee529ba 100644
--- a/project2/presenter.cpp
+++ b/project2/presenter.cpp
@@ -13,6 +13,7 @@ Presenter::Presenter(const std::string & group, const std::string & file) :
 	Loaders loaders;
 	_DataSource::AddLoaders(loaders, ApplicationEngine::getCurrent()->datasources);
 	_View::AddLoaders(loaders, views);
+	_ParamChecker::AddLoaders(loaders, parameterChecks);
 	_LoaderBase::collectAll(loaders, "project2", present.get_document()->get_root_node(), true, true);
 }
 
diff --git a/project2/presenter.h b/project2/presenter.h
index d862f1f..ae0a12b 100644
--- a/project2/presenter.h
+++ b/project2/presenter.h
@@ -5,6 +5,7 @@
 #include <glibmm/ustring.h>
 #include <libxml++/parsers/domparser.h>
 #include "view.h"
+#include "paramChecker.h"
 
 class Presenter {
 	public:
@@ -16,6 +17,7 @@ class Presenter {
 
 	protected:
 		Views views;
+		OrderedParamCheckers parameterChecks;
 		xmlpp::DomParser present;
 	public:
 		const Glib::ustring responseRootNodeName;
-- 
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