public HTTPResponse handleError(HTTPResponse response) throws HTTPException {
        if (response.statusCode < 200 || response.statusCode >= 300) {
            throw new HTTPException(response.statusCode, response.reason);
        }
        return response;
    }
public HTTPResponse handleError ( HTTPResponse response ) throws HTTPException { if ( response . statusCode < 200 || response . statusCode >= 300 ) { throw new HTTPException ( response . statusCode , response . reason ) ; } return response ; }
Handle http status error

@param response   raw http response
@return response  raw http response
@throws HTTPException  http status exception