Daraja HTTP Framework 3.0.7-SNAPSHOT
HTTP server framework for Object Pascal
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TdjServerBase Class Reference

Base server implementation providing core HTTP server functionality. More...

Inheritance diagram for TdjServerBase:
TdjHandlerWrapper IHandlerContainer TdjAbstractHandlerContainer TdjAbstractHandler IHandlerContainer TdjLifeCycle IHandler ILifeCycle TdjServer

Public Member Functions

 TdjServerBase ()
 Create a ServerBase instance.
 ~TdjServerBase ()
 Destructor.
 AddHandler (const IHandler Handler)
 Add a handler to the container.
Boolean IsStarted ()
Boolean IsStopped ()
 RemoveHandler (const IHandler Handler)
 Removes a handler from this container.
 Start ()
 Starts the component.
 Stop ()
 Stops the component.

Public Attributes

IHandler Handler
Boolean Started
Boolean Stopped

Protected Member Functions

 CheckStarted ()
 Raises an exception if the lifecycle is in "started" state.
 CheckStopped ()
 Raises an exception if the lifecycle is in "stopped" state.
 DoStart ()
 Start the server.
 DoStop ()
 Stop the server.
TIdHTTPSession GetSession (TdjServerContext Context, TdjRequest Request, TdjResponse Response, const Boolean Create)
 Get a HTTP session.
 Handle (const string Target, TdjServerContext Context, TdjRequest Request, TdjResponse Response)
 Handles an HTTP request.

Detailed Description

Base server implementation providing core HTTP server functionality.

This class serves as a foundation for HTTP servers in the Daraja framework, implementing both IHandlerContainer and basic request handling capabilities.

See also
IHandlerContainer
TdjHandlerWrapper

Constructor & Destructor Documentation

◆ TdjServerBase()

TdjServerBase::TdjServerBase ( )

Create a ServerBase instance.

References TdjServerBase().

Referenced by TdjServerBase(), and ~TdjServerBase().

◆ ~TdjServerBase()

TdjServerBase::~TdjServerBase ( )

Destructor.

References TdjServerBase().

Member Function Documentation

◆ AddHandler()

TdjHandlerWrapper::AddHandler ( const IHandler Handler)
inherited

Add a handler to the container.

This implementation of AddHandler calls SetHandler with the passed handler. If this HandlerWrapper had a previous wrapped handler, then it is passed to a call to AddHandler on the passed handler.

Parameters
Handlerthe handler to be added

Implements IHandlerContainer.

◆ CheckStarted()

TdjLifeCycle::CheckStarted ( )
protectedinherited

Raises an exception if the lifecycle is in "started" state.

References TdjLifeCycle().

◆ CheckStopped()

TdjLifeCycle::CheckStopped ( )
protectedinherited

Raises an exception if the lifecycle is in "stopped" state.

References TdjLifeCycle(), and Started.

◆ DoStart()

TdjServerBase::DoStart ( )
protected

Start the server.

Note
This method calls the inherited implementation and logs the server start.
Exceptions
EWebComponentExceptionif the server fails to start

◆ DoStop()

TdjServerBase::DoStop ( )
protected

Stop the server.

Note
This method calls the inherited implementation and logs the server stop.
Exceptions
EWebComponentExceptionif the server fails to stop cleanly

◆ GetSession()

TIdHTTPSession TdjHandlerWrapper::GetSession ( TdjServerContext Context,
TdjRequest Request,
TdjResponse Response,
const Boolean Create )
protectedinherited

Get a HTTP session.

References TdjHandlerWrapper(), Create(), and Handler.

Referenced by TdjWebComponentContextHandler::AddWebComponent().

◆ Handle()

TdjServerBase::Handle ( const string Target,
TdjServerContext Context,
TdjRequest Request,
TdjResponse Response )
protected

Handles an HTTP request.

Parameters
TargetTarget path or resource identifier
ContextServer context for this request
RequestHTTP request object
ResponseHTTP response object to populate
Exceptions
EWebComponentExceptionif an exception occurs that interferes with the component's normal operation.

Implements IHandler.

◆ IsStarted()

Boolean TdjLifeCycle::IsStarted ( )
inherited
Returns
True if component is started

Implements ILifeCycle.

References Create().

Referenced by DoStart(), and TdjWebComponentHandler::FindHolder().

◆ IsStopped()

Boolean TdjLifeCycle::IsStopped ( )
inherited
Returns
True if component is stopped

Implements ILifeCycle.

Referenced by DoStart().

◆ RemoveHandler()

TdjHandlerWrapper::RemoveHandler ( const IHandler Handler)
inherited

Removes a handler from this container.

Parameters
HandlerHandler to remove

Implements IHandlerContainer.

References Handler.

◆ Start()

TdjLifeCycle::Start ( )
inherited

Starts the component.

Implements ILifeCycle.

References Stopped.

◆ Stop()

TdjLifeCycle::Stop ( )
inherited

Stops the component.

Implements ILifeCycle.

References TdjLifeCycle().

Referenced by DoStart(), and TdjWebComponentHandler::InvokeService().

Member Data Documentation

◆ Handler

IHandler TdjHandlerWrapper::Handler
inherited

Referenced by GetSession(), and RemoveHandler().

◆ Started

◆ Stopped

Boolean TdjLifeCycle::Stopped
inherited

Referenced by DoStop(), and Start().