@Responsebody for HTTP msg and a View to show the HTTP response msg

[Mimi Tam]

How exactly can I trigger display of a model and view from another model and view’s controller?

HTTP Request View --> HttpRequestController POST -> new HttpResponse POJO and a string of the POJO in XML for the Http Response msg to be sent back to the Requestor --> <what should I return from the POST handler?>

I have HttpRequestController() to handle a POST message with data from an input Form and populated an HttpRequest POJO with it. An HttpResponse POJO is composed and persisted along with the HttpRequest to a Db.

The HttResponse is made into an XML string as the @Responsebody to be sent back (as an actual HTTP Response message with header and body) and I want to present this HttpResponse POJO in a View.

I tried different things, none worked and I could not find a similar example anywhere.

HttpRequestController, HttpRequest and HttpResponse POJOs:

public class HttpRequestController:
	//public @ResponseBody String createResponse(@Valid HttpRequest httpRequest, BindingResult result, ModelMap model) {

	public @ResponseBody ModelAndView createResponse(@Valid HttpRequest httpRequest, BindingResult result, ModelMap model) {

        if (httpRequest == null) 
        	throw new IllegalArgumentException("A HTTP Request Message is required");
        httpRequest.setHttpResponse(httpRequest.createResponse());  
        
        if (httpRequest.getHttpResponse() == null) 
        	throw new IllegalArgumentException("Creation of the HTTP Response message failed!");
              
        httpRequest.persist();        

ModelAndView mav = new ModelAndView        //return new     
      mav.addObject("HttpResponse", httpRequest.getHttpResponse());
      model.addAttribute("httpresponse", httpRequest.getHttpResponse());
	return mav;
      //return "redirect:/httpresponse/" + httpRspMsg1.getId();
      //return httpRequest.httpRspMsg1;
      //return new ModelAndView("redirect:/httpresponse", "HttpResponse", httpRspMsg1);  
      //return new ModelAndView("forward:/httpresponse", "HttpResponse", httpRspMsg1);  
      //return new ModelAndView("/WEB-INF/views/httpresponse/show.jsp", "HttpResponse", httpRspMsg1);

public class HttpRequest() {
@Configurable
@XStreamAlias("HttpRequest")
@Entity
public class HttpRequest {
		
	@Id
    	@GeneratedValue(strategy = GenerationType.AUTO)
    	private Long id;
	….
		@OneToOne(cascade = CascadeType.ALL)
		@JoinColumn ( name = "rspId_fk", insertable = false, updatable=false)
		private HttpResponse httpResponse;
		// getter, setter			
}

@Configurable
@XStreamAlias("HttpResponse")
@Entity
public class HttpResponse {

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	private long id;
	…..
}

I have an HttpResponse View (jspx) for ‘show’ and an unused HttpResponseController():

@RequestMapping("/httpresponse/**")
@Controller
public class HttpResponseController {
	
	@RequestMapping(value="/httpresponse/{id}", method=RequestMethod.GET)
	public String show(@PathVariable("id") Long id, ModelMap modelMap) {
		        if (id == null) throw new IllegalArgumentException("An Identifier is required");
		        modelMap.addAttribute("httpresponse", HttpResponse.findHttpRspMsg1(id));
		        return "httpresponse/show";
		    }	  	
	
	}
}

What should I return from the HttpRequestController().POST to trigger an HTTP Response message to be sent back and the data-sent-back to be shown on in an HTTP Response View?

I desperately need help. I’d be quite grateful for any pointers, any info or any suggestions. Please kindly help.