2019-04-20 12:09:39 +02:00
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unit WebModuleU;
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interface
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uses
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System.SysUtils,
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System.Classes,
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MVCFramework,
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Web.HTTPApp,
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System.NetEncoding;
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type
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TMyWebModule = class(TWebModule)
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procedure WebModuleCreate(Sender: TObject);
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procedure WebModuleDestroy(Sender: TObject);
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private
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FMVC: TMVCEngine;
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public
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{ Public declarations }
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end;
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var
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WebModuleClass: TComponentClass = TMyWebModule;
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implementation
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{$R *.dfm}
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uses
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MyControllerU,
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MVCFramework.Commons,
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2020-04-29 01:59:41 +02:00
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MVCFramework.Middleware.StaticFiles,
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2021-03-24 10:58:20 +01:00
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System.Rtti, System.IOUtils;
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2019-04-20 12:09:39 +02:00
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procedure TMyWebModule.WebModuleCreate(Sender: TObject);
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var
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lExceptionHandler: TMVCExceptionHandlerProc;
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begin
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lExceptionHandler := procedure(
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E: Exception;
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SelectedController: TMVCController;
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WebContext: TWebContext;
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var ExceptionHandled: Boolean)
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var
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lColor: string;
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begin
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2024-11-13 23:09:28 +01:00
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WebContext.Response.StatusCode := HTTP_STATUS.InternalServerError;
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2019-04-20 12:09:39 +02:00
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if E is EMyException then
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begin
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case EMyException(E).Severity of
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Fatal, Error:
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lColor := 'red';
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Warning:
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lColor := 'yellow';
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Information:
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lColor := 'blue';
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else
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lColor := 'black';
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end;
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WebContext.Response.ContentType := TMVCMediaType.TEXT_HTML;
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WebContext.Response.Content :=
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'<html><body><h1>Error occurred</h1>' +
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Format('<h2 style="color: %s">', [lColor]) + TNetEncoding.HTML.Encode
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(EMyException(E).ToString) + '</h2>' +
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'<p>your truly custom exception handler...</p>' +
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'</body></html>';
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ExceptionHandled := True;
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2020-04-08 13:00:32 +02:00
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end
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else if E is EMVCException then
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begin
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WebContext.Response.ContentType := TMVCMediaType.TEXT_HTML;
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WebContext.Response.Content :=
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'<html><body><h1>Error occurred</h1>' +
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Format('<h2 style="color: red">', [lColor]) + TNetEncoding.HTML.Encode
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(E.Message) + '</h2>' +
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'<p>your truly custom exception handler...</p>' +
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'</body></html>';
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ExceptionHandled := True;
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2019-04-20 12:09:39 +02:00
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end;
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end;
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FMVC := TMVCEngine.Create(Self,
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procedure(Config: TMVCConfig)
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begin
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// session timeout (0 means session cookie)
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Config[TMVCConfigKey.SessionTimeout] := '0';
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// default content-type
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Config[TMVCConfigKey.DefaultContentType] := TMVCConstants.DEFAULT_CONTENT_TYPE;
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// default content charset
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Config[TMVCConfigKey.DefaultContentCharset] := TMVCConstants.DEFAULT_CONTENT_CHARSET;
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// unhandled actions are permitted?
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Config[TMVCConfigKey.AllowUnhandledAction] := 'false';
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// default view file extension
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Config[TMVCConfigKey.DefaultViewFileExtension] := 'html';
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// view path
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Config[TMVCConfigKey.ViewPath] := 'templates';
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// Enable Server Signature in response
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Config[TMVCConfigKey.ExposeServerSignature] := 'true';
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end);
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FMVC.AddController(TMyController);
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FMVC.SetExceptionHandler(lExceptionHandler);
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end;
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procedure TMyWebModule.WebModuleDestroy(Sender: TObject);
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begin
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FMVC.Free;
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end;
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end.
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