private void executeAction( String action, HttpServletRequest request, ResponsePayload responsePayload) throws AWInvalidParameterException, AWNoSuchEntityException, AWInvalidResourceIdException { Object payload = ServletUtils.getNoResponsePayload(); boolean includeMetadata = ServletUtils.getIncludeMetadataParameter(request); Integer offset = ServletUtils.getOffsetParameter(request); Integer limit = ServletUtils.getLimitParameter(request); switch (action) { case ServletConstants.REQ_PARAM_SELECT_ACTION_ALL: ValidatorUtils.validateRequest( ServletUtils.getPagingRequestParams(offset, limit), responsePayload, mRequestValidator); if (!responsePayload.hasErrors()) { payload = mFactorController.getFactors(offset, limit, responsePayload, includeMetadata); } break; case ServletConstants.REQ_PARAM_SELECT_ACTION_SEL_ID: Long factorId = ServletUtils.getParseResourceId(ServletUtils.getSelectEntityIdParameter(request)); payload = mFactorController.getFactor(factorId); break; case ServletConstants.REQ_PARAM_SELECT_ACTION_LIKE: String like = ServletUtils.getSelectLikeParameter(request); ValidatorUtils.validateRequest( ServletUtils.getPagingRequestParams(offset, limit), responsePayload, mRequestValidator); if (!responsePayload.hasErrors()) { payload = mFactorController.getFactorsLike( like, offset, limit, responsePayload, includeMetadata); } break; default: payload = ServletUtils.getNoResponsePayload(); break; } responsePayload.setData(payload); }