org.gatein.pc.controller.RequestHandler Maven / Gradle / Ivy
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package org.gatein.pc.controller;
import org.gatein.common.logging.Logger;
import org.gatein.common.logging.LoggerFactory;
import org.gatein.pc.api.PortletInvokerException;
import org.gatein.pc.controller.request.ControllerRequest;
import org.gatein.pc.controller.response.ControllerResponse;
import org.gatein.pc.api.invocation.response.PortletInvocationResponse;
/**
* @author Chris Laprun
* @version $Revision: 10014 $
*/
abstract class RequestHandler
{
/** . */
protected static final Logger log = LoggerFactory.getLogger(RequestHandler.class);
/** . */
protected PortletController controller;
/** . */
protected final Class t;
protected RequestHandler(Class t, PortletController controller)
{
this.t = t;
this.controller = controller;
}
public ControllerResponse handle(ControllerContext controllerContext, ControllerRequest request) throws PortletInvokerException
{
if (!t.isInstance(request))
{
throw new IllegalArgumentException("Request " + request + " cannot be handled by this handler");
}
//
T req = t.cast(request);
PortletInvocationResponse response = req.invoke(controllerContext);
return processResponse(controllerContext, req, response);
}
abstract ControllerResponse processResponse(ControllerContext controllerContext, T request, PortletInvocationResponse response) throws PortletInvokerException;
}