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How to use processRequest method of org.cerberus.servlet.crud.usermanagement.ReadUserPublic class

Best Cerberus-source code snippet using org.cerberus.servlet.crud.usermanagement.ReadUserPublic.processRequest

Source:ReadUserPublic.java

...60     * @param response servlet response61     * @throws ServletException if a servlet-specific error occurs62     * @throws IOException if an I/O error occurs63     */64    protected void processRequest(HttpServletRequest request, HttpServletResponse response)65            throws ServletException, IOException {66        String echo = request.getParameter("sEcho");67        ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());68        PolicyFactory policy = Sanitizers.FORMATTING.and(Sanitizers.LINKS);69        response.setContentType("application/json");70        response.setCharacterEncoding("utf8");71        // Default message to unexpected error.72        MessageEvent msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_UNEXPECTED);73        msg.setDescription(msg.getDescription().replace("%DESCRIPTION%", ""));74        /**75         * Parsing and securing all required parameters.76         */77        Integer brpid = 0;78        boolean brpid_error = true;79        try {80            if (request.getParameter("id") != null && !request.getParameter("id").equals("")) {81                brpid = Integer.valueOf(policy.sanitize(request.getParameter("id")));82                brpid_error = false;83            }84        } catch (Exception ex) {85            msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_ERROR_EXPECTED);86            msg.setDescription(msg.getDescription().replace("%ITEM%", OBJECT_NAME));87            msg.setDescription(msg.getDescription().replace("%OPERATION%", "Read"));88            msg.setDescription(msg.getDescription().replace("%REASON%", "id must be an integer value."));89            brpid_error = true;90        }91        // Init Answer with potencial error from Parsing parameter.92        AnswerItem answer = new AnswerItem(msg);93        try {94            JSONObject jsonResponse = new JSONObject();95            if ((request.getParameter("id") != null) && !(brpid_error)) { // ID parameter is specified so we return the unique record of object.96//                answer = readByKey(appContext, brpid); // TODO97                jsonResponse = (JSONObject) answer.getItem();98            } else { // Default behaviour, we return the simple list of objects.99                answer = findUserList(appContext, request, response);100                jsonResponse = (JSONObject) answer.getItem();101            }102            jsonResponse.put("messageType", answer.getResultMessage().getMessage().getCodeString());103            jsonResponse.put("message", answer.getResultMessage().getDescription());104            jsonResponse.put("sEcho", echo);105            response.getWriter().print(jsonResponse.toString());106        } catch (JSONException e) {107            LOG.warn(e);108            //returns a default error message with the json format that is able to be parsed by the client-side109            response.getWriter().print(AnswerUtil.createGenericErrorAnswer());110        }111    }112    private AnswerItem findUserList(ApplicationContext appContext, HttpServletRequest request, HttpServletResponse response) throws JSONException {113        AnswerItem item = new AnswerItem();114        JSONObject jsonResponse = new JSONObject();115        userService = appContext.getBean(UserService.class);116        int startPosition = Integer.valueOf(ParameterParserUtil.parseStringParam(request.getParameter("iDisplayStart"), "0"));117        int length = Integer.valueOf(ParameterParserUtil.parseStringParam(request.getParameter("iDisplayLength"), "0"));118        /*int sEcho  = Integer.valueOf(request.getParameter("sEcho"));*/119        String searchParameter = ParameterParserUtil.parseStringParam(request.getParameter("sSearch"), "");120        int columnToSortParameter = Integer.parseInt(ParameterParserUtil.parseStringParam(request.getParameter("iSortCol_0"), "1"));121        String sColumns = ParameterParserUtil.parseStringParam(request.getParameter("sColumns"), "userID,login,name");122        String columnToSort[] = sColumns.split(",");123        String columnName = columnToSort[columnToSortParameter];124        String sort = ParameterParserUtil.parseStringParam(request.getParameter("sSortDir_0"), "asc");125        AnswerList resp = userService.readByCriteria(startPosition, length, columnName, sort, searchParameter, "");126        JSONArray jsonArray = new JSONArray();127        if (resp.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode())) {//the service was able to perform the query, then we should get all values128            for (User user : (List<User>) resp.getDataList()) {129                jsonArray.put(convertUserToJSONObject(user));130            }131        }132        jsonResponse.put("contentTable", jsonArray);133        jsonResponse.put("iTotalRecords", resp.getTotalRows());134        jsonResponse.put("iTotalDisplayRecords", resp.getTotalRows());135        item.setItem(jsonResponse);136        item.setResultMessage(resp.getResultMessage());137        return item;138    }139// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">140    /**141     * Handles the HTTP <code>GET</code> method.142     *143     * @param request servlet request144     * @param response servlet response145     * @throws ServletException if a servlet-specific error occurs146     * @throws IOException if an I/O error occurs147     */148    @Override149    protected void doGet(HttpServletRequest request, HttpServletResponse response)150            throws ServletException, IOException {151        processRequest(request, response);152    }153    /**154     * Handles the HTTP <code>POST</code> method.155     *156     * @param request servlet request157     * @param response servlet response158     * @throws ServletException if a servlet-specific error occurs159     * @throws IOException if an I/O error occurs160     */161    @Override162    protected void doPost(HttpServletRequest request, HttpServletResponse response)163            throws ServletException, IOException {164        processRequest(request, response);165    }166    /**167     * Returns a short description of the servlet.168     *169     * @return a String containing servlet description170     */171    @Override172    public String getServletInfo() {173        return "Short description";174    }// </editor-fold>175    private JSONObject convertUserToJSONObject(User user) throws JSONException {176        JSONObject result = new JSONObject();177        178        result.put("login", user.getLogin());...

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