Getting HttpServletRequest and HttpServletResponse from portlet request

How to get HttpServletRequest and HttpServletResponse from portlet request

We can only have portletRequest in the portlet. If we are setting anything in the HttpServletRequest it is not accessible in the portlet. IBM provides an utility class which gives which converts the “portletRequest” to HttpServletRequest.

There are some scenarios when you want to get httpServletRequest or httpServletReponse from portletRequest.

PortletUtil class available in the com.ibm.ws.portletcontainer.portlet package in “com.ibm.ws.portletcontainer_6.1.0.jar” at “WebSphere/AppServer/plugins/” on server, through which you can directly get httpServletRequest, httpServletResponse, ServletContext and many more.

Code to get HttpServletRequest from portletRequest/renderRequest/actionRequest and HttpServletResponse from portletResponse/renderResponse/actionResponse:

import javax.portlet.ActionRequest;

import javax.portlet.ActionResponse;

import javax.portlet.PortletRequest;

import javax.portlet.PortletResponse;

import javax.portlet.RenderRequest;

import javax.portlet.RenderResponse;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

//from wp.engine.impl.jar

import com.ibm.wps.engine.ExtendedLocaleRequest;

//from wp.engine.impl.jar

import com.ibm.wps.engine.PortalRequestWrapper;

// from WAS_HOME\plugins\com.ibm.ws.portletcontainer_6.1.0.jar

import com.ibm.ws.portletcontainer.portlet.PortletUtils;

public class RequestRevealer {

public static HttpServletResponse getResponse (PortletResponse  portletResponse) {

        HttpServletResponse httpServletResponse;

            If (portletResponse  instanceof ActionResponse) {

            httpServletResponse = PortletUtils.getHttpServletResponse((ActionResponse)                                                                portletResponse);

            } else if (portletResponse  instanceof RenderResponse) {

            httpServletResponse = PortletUtils.getHttpServletResponse((RenderResponse)                                                                            portletResponse);

            } else {

            throw new RuntimeException ("Wrong type...:"+ portletResponse);

            }

            return httpServletResponse;

}

    public static HttpServletRequest getRequest (PortletRequest  portletRequest) {

            HttpServletRequest  httpServletRequest;

            If (portletRequest instanceof ActionRequest) {

httpServletRequest =                                               PortletUtils.getHttpServletRequest((ActionRequest)portletRequest);

            } else if (portletRequest instanceof RenderRequest) {

            httpServletRequest = PortletUtils.getHttpServletRequest((RenderRequest)                                                                        portletRequest);

            } else {

            throw new RuntimeException ("Wrong type...:"+ portletRequest);

            }

        PortalRequestWrapper  portalRequestWrapper = (PortalRequestWrapper)                                                                                                               httpServletRequest;

ExtendedLocaleRequest  extendedLocaleRequest =

             (ExtendedLocaleRequest) portalRequestWrapper.getRequest();

HttpServletRequest  response = (HttpServletRequest)                                                                                                                                     extendedLocaleRequest.getRequest();

            return response;

                        }

            }
There are couple of utility methods available in PortletUtil which gives you ServletContext, ServletConfig, PortletWindow, PortletApplicationDefinition etc.