Struts 2, Action, request e response

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
 
public class MyAction extends ActionSupport implements 
                  ServletRequestAware,ServletResponseAware{
 
  private HttpServletRequest request;
  private HttpServletResponse response;
 
  public String execute() throws Exception{
    return SUCCESS;
  }
  public void setServletRequest(HttpServletRequest request){
    this.request = request;
  }
 
  public HttpServletRequest getServletRequest(){
    return request;
  }
 
  public void setServletResponse(HttpServletResponse response){
    this.response = response;
  }
 
  public HttpServletResponse getServletResponse(){
    return response;
  }
}