TdjWebComponentContextHandler Class Reference

Context Handler for Web Components. More...

Inheritance diagram for TdjWebComponentContextHandler:

Public Member Functions
	TdjWebComponentContextHandler (const string ContextPath, Boolean Sessions=False)
	Constructor.
	~TdjWebComponentContextHandler ()
	Destructor.
	AddWebComponent (TdjWebComponentClass ComponentClass, const string PathSpec)
	Add a Web Component.
	AddWebComponent (TdjWebComponentHolder Holder, const string PathSpec)
	Add a Web Component.
	AddWebFilter (TdjWebFilterHolder Holder, const string PathSpec)
	Add a Web Filter Holder.
	AddFilterWithMapping (TdjWebFilterClass FilterClass, const string PathSpec)
	Add a Web Filter, specifying a WebFilter class and the mapped WebComponent name.
	Handle (const string Target, TdjServerContext Context, TdjRequest Request, TdjResponse Response)
	Handle a HTTP request.
Public Member Functions inherited from TdjContextHandler
	TdjContextHandler (const string ContextPath)
	Create a ContextHandler.
	~TdjContextHandler ()
	Destructor.
IContext	GetCurrentContext ()
	The internal IContext field.
	SetInitParameter (const string Key, const string Value)
	Set initialization parameter.
	DoStart ()
	Start the handler.
	DoStop ()
	Stop the handler.
	Handle (const string Target, TdjServerContext Context, TdjRequest Request, TdjResponse Response)
	Handle a HTTP request.
Public Member Functions inherited from TdjHandlerWrapper
	AddHandler (const IHandler Handler)
	Add a handler to the container.
	RemoveHandler (const IHandler Handler)
	Remove a handler from the container.
	DoStart ()
	Start the handler.
	DoStop ()
	Stop the handler.
	Handle (const string Target, TdjServerContext Context, TdjRequest Request, TdjResponse Response)
	Handle a HTTP request.
Public Member Functions inherited from TdjAbstractHandler
	TdjAbstractHandler ()
	Constructor.
	DoStart ()
	Start the handler.
	DoStop ()
	Start the handler.
	Handle (const string Target, TdjServerContext Context, TdjRequest Request, TdjResponse Response)
	Handle a HTTP request.
Public Member Functions inherited from TdjLifeCycle
	Start ()
	Start the handler.
	Stop ()
	Stop the handler.
Boolean	IsStarted ()
Boolean	IsStopped ()

Protected Member Functions
	DoHandle (const string Target, TdjServerContext Context, TdjRequest Request, TdjResponse Response)
Protected Member Functions inherited from TdjContextHandler
Boolean	ContextMatches (const string ConnectorName, const string Target)
	Check if the Document matches this context.
string	ToConnectorName (TdjServerContext Context)
	Creates connector name in the form 'host:port'.
Protected Member Functions inherited from TdjHandlerWrapper
TIdHTTPSession	GetSession (TdjServerContext Context, TdjRequest Request, TdjResponse Response, const Boolean Create)
	Get a HTTP session.
Protected Member Functions inherited from TdjAbstractHandlerContainer
	AddHandler (const IHandler Handler)
	Add a handler.
	RemoveHandler (const IHandler Handler)
	Remove a handler.
Protected Member Functions inherited from TdjLifeCycle
	DoStart ()
	Execute the custom start code.
	DoStop ()
	Execute the custom stop code.
	CheckStarted ()
	Raises an exception if the lifecycle is in "started" state.
	CheckStopped ()
	Raises an exception if the lifecycle is in "stopped" state.

Additional Inherited Members
Public Attributes inherited from TdjContextHandler
TStrings	ConnectorNames
string	ContextPath
IHandler	ErrorHandler
Public Attributes inherited from TdjHandlerWrapper
IHandler	Handler
Public Attributes inherited from TdjLifeCycle
Boolean	Started
	True if the state is "started".
Boolean	Stopped
	True if the state is "stopped".

Detailed Description

Context Handler for Web Components.

Constructor & Destructor Documentation

TdjWebComponentContextHandler()

TdjWebComponentContextHandler::TdjWebComponentContextHandler	(	const string	ContextPath,
		Boolean	Sessions = False )

Constructor.

Parameters

ContextPath	the context path
Sessions	enable HTTP sessions

References TdjHandlerWrapper::AddHandler(), and TdjContextHandler::ContextPath.

Member Function Documentation

AddFilterWithMapping()

TdjWebComponentContextHandler::AddFilterWithMapping	(	TdjWebFilterClass	FilterClass,
		const string	PathSpec )

Add a Web Filter, specifying a WebFilter class and the mapped WebComponent name.

Parameters

FilterClass	WebFilter class
PathSpec	path specification

Exceptions

Exception

if the WebFilter can not be added

References TdjWebComponentHandler::AddFilterWithMapping().

AddWebComponent() [1/2]

TdjWebComponentContextHandler::AddWebComponent	(	TdjWebComponentClass	ComponentClass,
		const string	PathSpec )

Add a Web Component.

Parameters

ComponentClass	WebComponent class
PathSpec	path specification

Exceptions

EWebComponentException

if the Web Component can not be added

References TdjWebComponentHandler::AddWebComponent(), TdjWebComponentHandler::AddWithMapping(), TdjWebComponentHandler::FindHolder(), TdjContextHandler::GetCurrentContext(), and TdjWebComponentHolder::SetContext().

AddWebComponent() [2/2]

TdjWebComponentContextHandler::AddWebComponent	(	TdjWebComponentHolder	Holder,
		const string	PathSpec )

Add a Web Component.

Parameters

Holder	holds information about the Web Component
PathSpec	path specification

Exceptions

EWebComponentException

if the Web Component can not be added

References TdjWebComponentHandler::AddWithMapping(), TdjWebComponentHolder::GetContext(), TdjWebComponentHolder::SetContext(), and TdjWebComponentHolder::WebComponentClass.

AddWebFilter()

TdjWebComponentContextHandler::AddWebFilter	(	TdjWebFilterHolder	Holder,
		const string	PathSpec )

Add a Web Filter Holder.

Parameters

Holder	holds information about the Web Filter
PathSpec	path specification

Exceptions

Exception

if the Web Filter can not be added

References TdjWebComponentHandler::AddFilterWithMapping(), and TdjWebFilterHolder::SetContext().

DoHandle()

TdjWebComponentContextHandler::DoHandle ( const string Target, TdjServerContext Context, TdjRequest Request, TdjResponse Response )

protected

Parameters

Target	Request target
Context	HTTP server context
Request	HTTP request
Response	HTTP response

References TdjContextHandler::ContextPath, and TdjWebComponentHandler::Handle().

Referenced by Handle().

Handle()

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

Handle a HTTP request.

Parameters

Target	Request target
Context	HTTP server context
Request	HTTP request
Response	HTTP response

Exceptions

EWebComponentException

if an exception occurs that interferes with the component's normal operation

See also

IHandler

References TdjContextHandler::ContextMatches(), DoHandle(), TdjHandlerWrapper::GetSession(), and TdjContextHandler::ToConnectorName().