jsp taglib, lazy loading

gistfile1.txt

struts-action config (configure webservice):

    <action
      path="/show_xxx_XHR"
      type="xxx.webapp.action.XXX_XHRAction"
      name="dummyForm"
      scope="request"
      input="failure"
      parameter="method"
      unknown="false"
      validate="false"
      roles="admin,support">
    </action>  





the webservice:

public class XXX_XHRAction extends Action {

  public ActionForward execute(ActionMapping mapping, ActionForm inForm, HttpServletRequest request, HttpServletResponse response) throws Exception {
		log.debug("hello ajax!");
		
		DatatablesCriterias dc = DatatablesCriterias.getFromRequest(request);
		log.debug(dc);
		
		List<AssetType> assetType = DAO CALL
		Long count = 500L;
		Long countFiltered = (long)assetType.size();
		DataSet<AssetType> dataset = new DataSet<AssetType>(assetType, count, countFiltered);
		
		DatatablesResponse<AssetType> resp = DatatablesResponse.build(dataset, dc);
		
		//get output
	  response.setContentType("application/json");
	  PrintWriter out = response.getWriter();
	    
	  //jackson converter
		ObjectMapper mapper = new ObjectMapper();
		mapper.writeValue(out, resp);
      out.flush();
	    log.debug("done");
	    return null;
	}






the jsp:
<datatables:table id="myTableId" data="${assetTypList}" cssClass="table table-striped" export="csv" url="/show_xxx_XHR.html" serverSide="true" processing="true" pipelining="true" pipeSize="6">
   <datatables:column title="id" property="id" sortable="true" filterable="false"/>
   <datatables:column title="name" property="name" sortable="true" filterable="true"/>
   <datatables:export type="csv" includeHeader="false" fileName="my-export-name" cssClass="btn" label="CSV without header row" />
</datatables:table>