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SimpleControllerHandlerAdapter (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.web.portlet.mvc
Class SimpleControllerHandlerAdapter

java.lang.Object
  org.springframework.web.portlet.mvc.SimpleControllerHandlerAdapter

All Implemented Interfaces:

HandlerAdapter

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public class SimpleControllerHandlerAdapter
extends Object
implements HandlerAdapter

Adapter to use the Controller workflow interface with the generic DispatcherPortlet.

This is an SPI class, not used directly by application code.

Since:

2.0

Author:

John A. Lewis

See Also:

DispatcherPortlet, Controller

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Constructor Summary
SimpleControllerHandlerAdapter()

 

Method Summary
void	handleAction(ActionRequest request, ActionResponse response, Object handler)           Use the given handler to handle this action request.
ModelAndView	handleRender(RenderRequest request, RenderResponse response, Object handler)           Use the given handler to handle this render request.
boolean	supports(Object handler)           Given a handler instance, return whether or not this HandlerAdapter can support it.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

SimpleControllerHandlerAdapter

public SimpleControllerHandlerAdapter()

Method Detail

supports

public boolean supports(Object handler)

Description copied from interface: HandlerAdapter

Given a handler instance, return whether or not this HandlerAdapter can support it. Typical HandlerAdapters will base the decision on the handler type. HandlerAdapters will usually only support one handler type each.

A typical implementation:

return (handler instanceof MyHandler);

Specified by:

supports in interface HandlerAdapter

Parameters:

handler - handler object to check

Returns:

whether or not this object can use the given handler

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handleAction

public void handleAction(ActionRequest request,
                         ActionResponse response,
                         Object handler)
                  throws Exception

Description copied from interface: HandlerAdapter

Use the given handler to handle this action request. The workflow that is required may vary widely.

Specified by:

handleAction in interface HandlerAdapter

Parameters:

request - current action request

response - current action response

handler - handler to use. This object must have previously been passed to the supports method of this interface, which must have returned true.

Throws:

Exception - in case of errors

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handleRender

public ModelAndView handleRender(RenderRequest request,
                                 RenderResponse response,
                                 Object handler)
                          throws Exception

Description copied from interface: HandlerAdapter

Use the given handler to handle this render request. The workflow that is required may vary widely.

Specified by:

handleRender in interface HandlerAdapter

Parameters:

request - current render request

response - current render response

handler - handler to use. This object must have previously been passed to the supports method of this interface, which must have returned true.

Returns:

ModelAndView object with the name of the view and the required model data, or null if the request has been handled directly

Throws:

Exception - in case of errors

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