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java.lang.Objectorg.springframework.web.servlet.mvc.HttpRequestHandlerAdapter
public class HttpRequestHandlerAdapter
Adapter to use the plain HttpRequestHandler
interface with the generic DispatcherServlet.
Supports handlers that implement the LastModified interface.
This is an SPI class, not used directly by application code.
DispatcherServlet,
HttpRequestHandler,
LastModified,
SimpleControllerHandlerAdapter| Constructor Summary | |
|---|---|
HttpRequestHandlerAdapter()
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| Method Summary | |
|---|---|
long |
getLastModified(HttpServletRequest request,
Object handler)
Same contract as for HttpServlet's getLastModified method. |
ModelAndView |
handle(HttpServletRequest request,
HttpServletResponse response,
Object handler)
Use the given handler to handle this 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 |
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public HttpRequestHandlerAdapter()
| Method Detail |
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public boolean supports(Object handler)
HandlerAdapterA typical implementation:
return (handler instanceof MyHandler);
supports in interface HandlerAdapterhandler - handler object to check
public ModelAndView handle(HttpServletRequest request,
HttpServletResponse response,
Object handler)
throws Exception
HandlerAdapter
handle in interface HandlerAdapterrequest - current HTTP requestresponse - current HTTP responsehandler - handler to use. This object must have previously been passed
to the supports method of this interface, which must have
returned true.
null if the request has been handled directly
Exception - in case of errors
public long getLastModified(HttpServletRequest request,
Object handler)
HandlerAdaptergetLastModified method.
Can simply return -1 if there's no support in the handler class.
getLastModified in interface HandlerAdapterrequest - current HTTP requesthandler - handler to use
HttpServlet.getLastModified(javax.servlet.http.HttpServletRequest),
LastModified.getLastModified(javax.servlet.http.HttpServletRequest)
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