org.apache.tapestry.engine
Class ActionService

java.lang.Object
  org.apache.tapestry.engine.AbstractService
      org.apache.tapestry.engine.ActionService

All Implemented Interfaces:

IEngineService

public class ActionService
extends AbstractService

A context-sensitive service related to Form and ActionLink. Encodes the page, component and an action id in the service context.

Since:

1.0.9

Version:

$Id: ActionService.java 243791 2004-02-19 17:38:13Z hlship $

Author:

Howard Lewis Ship

Constructor Summary

ActionService()

Method Summary

ILink	getLink(IRequestCycle cycle, IComponent component, Object[] parameters) Builds a URL for a service.
String	getName() Returns the name of the service.
void	service(IEngineServiceView engine, IRequestCycle cycle, ResponseOutputStream output) Perform the service, interpreting the URL (from the HttpServletRequest) responding appropriately, and rendering a result page.

Methods inherited from class org.apache.tapestry.engine.AbstractService

constructLink, getParameters, getServiceContext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ActionService

public ActionService()

Method Detail

getLink

public ILink getLink(IRequestCycle cycle,
                     IComponent component,
                     Object[] parameters)

Description copied from interface: IEngineService

Builds a URL for a service. This is performed during the rendering phase of one request cycle and bulds URLs that will invoke activity in a subsequent request cycle.

Parameters:

cycle - Defines the request cycle being processed.

component - The component requesting the URL. Generally, the service context is established from the component.

parameters - Additional parameters specific to the component requesting the EngineServiceLink.

Returns:

The URL for the service. The URL will have to be encoded via HttpServletResponse.encodeURL(java.lang.String).

service

public void service(IEngineServiceView engine,
                    IRequestCycle cycle,
                    ResponseOutputStream output)
             throws ServletException,
                    IOException

Description copied from interface: IEngineService

Perform the service, interpreting the URL (from the HttpServletRequest) responding appropriately, and rendering a result page.

Parameters:

engine - a view of the IEngine with additional methods needed by services

cycle - the incoming request

output - stream to which output should ultimately be directed

Throws:

ServletException

IOException

See Also:

IEngine.service(org.apache.tapestry.request.RequestContext)

getName

public String getName()

Description copied from interface: IEngineService

Returns the name of the service.