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How to use findDistinctValuesOfColumn method of org.cerberus.servlet.crud.transversaltables.ReadInvariant class

Best Cerberus-source code snippet using org.cerberus.servlet.crud.transversaltables.ReadInvariant.findDistinctValuesOfColumn

Source:ReadInvariant.java

...86            JSONObject jsonResponse = new JSONObject();87            String access = request.getParameter("access");88            if (request.getParameter("idName") == null && access != null) {89                if (!Strings.isNullOrEmpty(request.getParameter("columnName"))) {90                    answer = findDistinctValuesOfColumn(appContext, request, request.getParameter("columnName"), access);91                    jsonResponse = (JSONObject) answer.getItem();92                } else {93                    answer = findInvariantList(appContext, access, request, response);94                    jsonResponse = (JSONObject) answer.getItem();95                }96            } else if (request.getParameter("value") == null) {97                //loads the list of invariants98                String idName = policy.sanitize(request.getParameter("idName"));99                answer = findInvariantListByIdName(appContext, access, idName);100                jsonResponse = (JSONObject) answer.getItem();101            } else {102                String idName = request.getParameter("idName");103                String value = request.getParameter("value");104                try {105                    answer = findInvariantListBykey(appContext, idName, value);106                    JSONObject inv = new JSONObject();107                    inv = convertInvariantToJSONObject((Invariant) answer.getItem());108                    inv.put("hasPermissionsUpdate", invariantService.hasPermissionsUpdate((Invariant) answer.getItem(), request));109                    jsonResponse.put("contentTable", inv);110                } catch (CerberusException e) {111                    answer = new AnswerItem<>();112                    MessageEvent msg = new MessageEvent(MessageEventEnum.ACTION_FAILED);113                    answer.setResultMessage(msg);114                }115            }116            jsonResponse.put("messageType", answer.getResultMessage().getMessage().getCodeString());117            jsonResponse.put("message", answer.getResultMessage().getDescription());118            jsonResponse.put("sEcho", echo); //TODO:FN check if this makes sense119            response.getWriter().print(jsonResponse.toString());120        } catch (JSONException e) {121            LOG.warn(e);122            //returns a default error message with the json format that is able to be parsed by the client-side123            response.getWriter().print(AnswerUtil.createGenericErrorAnswer());124        }125    }126    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">127    /**128     * Handles the HTTP <code>GET</code> method.129     *130     * @param request servlet request131     * @param response servlet response132     * @throws ServletException if a servlet-specific error occurs133     * @throws IOException if an I/O error occurs134     */135    @Override136    protected void doGet(HttpServletRequest request, HttpServletResponse response)137            throws ServletException, IOException {138        processRequest(request, response);139    }140    /**141     * Handles the HTTP <code>POST</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 doPost(HttpServletRequest request, HttpServletResponse response)150            throws ServletException, IOException {151        processRequest(request, response);152    }153    /**154     * Returns a short description of the servlet.155     *156     * @return a String containing servlet description157     */158    @Override159    public String getServletInfo() {160        return "Short description";161    }// </editor-fold>162    private AnswerItem<JSONObject> findInvariantListByIdName(ApplicationContext appContext, String access, String idName) throws JSONException {163        AnswerList<Invariant> answerService;164        AnswerItem<JSONObject> answer = new AnswerItem<>();165        JSONObject object = new JSONObject();166        //finds the list of invariants by idname167        invariantService = appContext.getBean(InvariantService.class);168        answerService = invariantService.readByIdname(idName);169        JSONArray jsonArray = new JSONArray();170        if (answerService.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode())) {171            //if the service returns an OK message then we can get the item and convert it to JSONformat172            for (Invariant inv : answerService.getDataList()) {173                jsonArray.put(convertInvariantToJSONObject(inv));174            }175        }176        object.put("contentTable", jsonArray);177        object.put("iTotalRecords", answerService.getTotalRows());178        object.put("iTotalDisplayRecords", answerService.getTotalRows());179        answer.setItem(object);180        answer.setResultMessage(answerService.getResultMessage());181        return answer;182    }183    private AnswerItem<Invariant> findInvariantListBykey(ApplicationContext appContext, String idName, String value) throws JSONException, CerberusException {184        AnswerItem<Invariant> answer = new AnswerItem<>();185        //finds the list of invariants by idname186        invariantService = appContext.getBean(InvariantService.class);187        answer.setItem(invariantService.convert(invariantService.readByKey(idName, value)));188        MessageEvent msg = new MessageEvent(MessageEventEnum.DATA_OPERATION_OK);189        msg.setDescription(msg.getDescription().replace("%ITEM%", "Invariant").replace("%OPERATION%", "SELECT"));190        answer.setResultMessage(msg);191        return answer;192    }193    private AnswerItem<JSONObject> findInvariantList(ApplicationContext appContext, String access, HttpServletRequest request, HttpServletResponse response) throws JSONException {194        AnswerItem<JSONObject> item = new AnswerItem<>();195        JSONObject jsonResponse = new JSONObject();196        invariantService = appContext.getBean(IInvariantService.class);197        int startPosition = Integer.valueOf(ParameterParserUtil.parseStringParam(request.getParameter("iDisplayStart"), "0"));198        int length = Integer.valueOf(ParameterParserUtil.parseStringParam(request.getParameter("iDisplayLength"), "0"));199        /*int sEcho  = Integer.valueOf(request.getParameter("sEcho"));*/200        String searchParameter = ParameterParserUtil.parseStringParam(request.getParameter("sSearch"), "");201        int columnToSortParameter = Integer.parseInt(ParameterParserUtil.parseStringParam(request.getParameter("iSortCol_0"), "0"));202        String sColumns = ParameterParserUtil.parseStringParam(request.getParameter("sColumns"),203                "idname,value,sort,description,VeryShortDesc, gp1,gp2,gp3");204        String columnToSort[] = sColumns.split(",");205        String columnName = columnToSort[columnToSortParameter];206        String sort = ParameterParserUtil.parseStringParam(request.getParameter("sSortDir_0"), "asc");207        AnswerList<Invariant> answerInv;208        List<String> individualLike = new ArrayList<>(Arrays.asList(ParameterParserUtil.parseStringParam(request.getParameter("sLike"), "").split(",")));209        Map<String, List<String>> individualSearch = new HashMap<>();210        for (int a = 0; a < columnToSort.length; a++) {211            if (null != request.getParameter("sSearch_" + a) && !request.getParameter("sSearch_" + a).isEmpty()) {212                List<String> search = new ArrayList<>(Arrays.asList(request.getParameter("sSearch_" + a).split(",")));213                if(individualLike.contains(columnToSort[a])) {214                	individualSearch.put(columnToSort[a]+":like", search);215                }else {216                	individualSearch.put(columnToSort[a], search);217                }            }218        }219        if ("PUBLIC".equals(access)) {220            answerInv = invariantService.readByPublicByCriteria(startPosition, length, columnName, sort, searchParameter, individualSearch);221        } else if ("PRIVATE".equals(access)) {222            answerInv = invariantService.readByPrivateByCriteria(startPosition, length, columnName, sort, searchParameter, individualSearch);223        } else {224            answerInv = invariantService.readByCriteria(startPosition, length, columnName, sort, searchParameter, "");225        }226        JSONArray jsonArray = new JSONArray();227        //boolean userHasPermissions = request.isUserInRole("Integrator"); //TODO:need to chec228        if (answerInv.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode())) {//the service was able to perform the query, then we should get all values229            for (Invariant inv : answerInv.getDataList()) {230                jsonArray.put(convertInvariantToJSONObject(inv));231            }232        }233        //jsonResponse.put("hasPermissions", userHasPermissions);234        jsonResponse.put("contentTable", jsonArray);235        jsonResponse.put("iTotalRecords", answerInv.getTotalRows());236        jsonResponse.put("iTotalDisplayRecords", answerInv.getTotalRows());237        item.setItem(jsonResponse);238        item.setResultMessage(answerInv.getResultMessage());239        return item;240    }241    private AnswerItem<JSONObject> findDistinctValuesOfColumn(ApplicationContext appContext, HttpServletRequest request, String columnName, String access) throws JSONException {242        AnswerItem<JSONObject> answer = new AnswerItem<>();243        JSONObject object = new JSONObject();244        invariantService = appContext.getBean(IInvariantService.class);245        String searchParameter = ParameterParserUtil.parseStringParam(request.getParameter("sSearch"), "");246        String sColumns = ParameterParserUtil.parseStringParam(request.getParameter("sColumns"), "idname,value,sort,description,VeryShortDesc, gp1,gp2,gp3");247        String columnToSort[] = sColumns.split(",");248        String column = ParameterParserUtil.parseStringParam(request.getParameter("columnName"), "");249        String sort = ParameterParserUtil.parseStringParam(request.getParameter("sSortDir_0"), "asc");250        List<String> individualLike = new ArrayList<>(Arrays.asList(ParameterParserUtil.parseStringParam(request.getParameter("sLike"), "").split(",")));251        Map<String, List<String>> individualSearch = new HashMap<>();252        for (int a = 0; a < columnToSort.length; a++) {253            if (null != request.getParameter("sSearch_" + a) && !request.getParameter("sSearch_" + a).isEmpty()) {254            	List<String> search = new ArrayList<>(Arrays.asList(request.getParameter("sSearch_" + a).split(",")));255            	if(individualLike.contains(columnToSort[a])) {...

findDistinctValuesOfColumn

Using AI Code Generation

1    public static List<String> findDistinctValuesOfColumn(String column) {2        List<String> result = new ArrayList<String>();3        String query = "select distinct " + column + " from invariant where 1=1";4        try (Connection connection = getConnection();5                PreparedStatement statement = connection.prepareStatement(query);6                ResultSet resultSet = statement.executeQuery();) {7            while (resultSet.next()) {8                result.add(resultSet.getString(column));9            }10        } catch (SQLException e) {11            LOG.error("Unable to execute query : " + query, e);12        }13        return result;14    }15}

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