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

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

Source:ReadParameter.java

...99            if (request.getParameter("param") == null && Strings.isNullOrEmpty(columnName)) {100                answer = findParameterList(system1, appContext, userHasPermissions, request);101                jsonResponse = (JSONObject) answer.getItem();102            } else if (!Strings.isNullOrEmpty(columnName)) {103                answer = findDistinctValuesOfColumn(system1, appContext, request, columnName);104                jsonResponse = (JSONObject) answer.getItem();105            } else {106                answer = findParameterBySystemByKey(system1, request.getParameter("param"), userHasPermissions, appContext);107                jsonResponse = (JSONObject) answer.getItem();108            }109            jsonResponse.put("messageType", answer.getResultMessage().getMessage().getCodeString());110            jsonResponse.put("message", answer.getResultMessage().getDescription());111            jsonResponse.put("sEcho", echo);112            response.getWriter().print(jsonResponse.toString());113        } catch (JSONException e) {114            LOG.warn(e);115            //returns a default error message with the json format that is able to be parsed by the client-side116            response.getWriter().print(AnswerUtil.createGenericErrorAnswer());117        }118    }119    /**120     * Handles the HTTP <code>GET</code> method.121     *122     * @param request servlet request123     * @param response servlet response124     * @throws ServletException if a servlet-specific error occurs125     * @throws IOException if an I/O error occurs126     */127    @Override128    protected void doGet(HttpServletRequest request, HttpServletResponse response)129            throws ServletException, IOException {130        try {131            processRequest(request, response);132        } catch (CerberusException ex) {133            LOG.warn(ex);134        }135    }136    /**137     * Handles the HTTP <code>POST</code> method.138     *139     * @param request servlet request140     * @param response servlet response141     * @throws ServletException if a servlet-specific error occurs142     * @throws IOException if an I/O error occurs143     */144    @Override145    protected void doPost(HttpServletRequest request, HttpServletResponse response)146            throws ServletException, IOException {147        try {148            processRequest(request, response);149        } catch (CerberusException ex) {150            LOG.warn(ex);151        }152    }153    private AnswerItem findParameterList(String system1, ApplicationContext appContext, boolean userHasPermissions, HttpServletRequest request) throws JSONException {154        AnswerItem item = new AnswerItem();155        JSONObject object = new JSONObject();156        parameterService = appContext.getBean(ParameterService.class);157        int startPosition = Integer.valueOf(ParameterParserUtil.parseStringParam(request.getParameter("iDisplayStart"), "0"));158        int length = Integer.valueOf(ParameterParserUtil.parseStringParam(request.getParameter("iDisplayLength"), "0"));159        /*int sEcho  = Integer.valueOf(request.getParameter("sEcho"));*/160        String searchParameter = ParameterParserUtil.parseStringParam(request.getParameter("sSearch"), "");161        int columnToSortParameter = Integer.parseInt(ParameterParserUtil.parseStringParam(request.getParameter("iSortCol_0"), "2"));162        String sColumns = ParameterParserUtil.parseStringParam(request.getParameter("sColumns"), "para,valC,valS,descr");163        String columnToSort[] = sColumns.split(",");164        String columnName = columnToSort[columnToSortParameter];165        String sort = ParameterParserUtil.parseStringParam(request.getParameter("sSortDir_0"), "asc");166        List<String> individualLike = new ArrayList(Arrays.asList(ParameterParserUtil.parseStringParam(request.getParameter("sLike"), "").split(",")));167        Map<String, List<String>> individualSearch = new HashMap<>();168        for (int a = 0; a < columnToSort.length; a++) {169            if (null != request.getParameter("sSearch_" + a) && !request.getParameter("sSearch_" + a).isEmpty()) {170                List<String> search = new ArrayList(Arrays.asList(request.getParameter("sSearch_" + a).split(",")));171                if(individualLike.contains(columnToSort[a])) {172                	individualSearch.put(columnToSort[a]+":like", search);173                }else {174                	individualSearch.put(columnToSort[a], search);175                }            176            }177        }178        AnswerList resp = parameterService.readWithSystem1BySystemByCriteria("", system1, startPosition, length, columnName, sort, searchParameter, individualSearch);179        JSONArray jsonArray = new JSONArray();180        if (resp.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode())) {//the service was able to perform the query, then we should get all values181            for (Parameter param : (List<Parameter>) resp.getDataList()) {182                param = parameterService.secureParameter(param);183                jsonArray.put(convertParameterToJSONObject(param));184            }185        }186        object.put("hasPermissions", userHasPermissions);187        object.put("contentTable", jsonArray);188        object.put("iTotalRecords", resp.getTotalRows());189        object.put("iTotalDisplayRecords", resp.getTotalRows());190        item.setItem(object);191        item.setResultMessage(resp.getResultMessage());192        return item;193    }194    private AnswerItem findParameterBySystemByKey(String system1, String key, Boolean userHasPermissions, ApplicationContext appContext) throws JSONException {195        AnswerItem item = new AnswerItem();196        JSONObject object = new JSONObject();197        parameterService = appContext.getBean(ParameterService.class);198        AnswerItem answer = parameterService.readWithSystem1ByKey("", key, system1);199        Parameter p = null;200        if (answer.isCodeEquals(MessageEventEnum.DATA_OPERATION_OK.getCode())) {//the service was able to perform the query, then we should get all values201            p = (Parameter) answer.getItem();202            JSONObject response = convertParameterToJSONObject(parameterService.secureParameter(p));203            object.put("contentTable", response);204        }205        object.put("hasPermissions", userHasPermissions);206        object.put("isSecured", parameterService.isToSecureParameter(p));207        object.put("isSystemManaged", parameterService.isSystemManaged(p));208        item.setItem(object);209        item.setResultMessage(answer.getResultMessage());210        return item;211    }212    private JSONObject convertParameterToJSONObject(Parameter parameter) throws JSONException {213        Gson gson = new Gson();214        JSONObject result = new JSONObject(gson.toJson(parameter));215        return result;216    }217    private AnswerItem findDistinctValuesOfColumn(String system, ApplicationContext appContext, HttpServletRequest request, String columnName) throws JSONException {218        AnswerItem answer = new AnswerItem();219        JSONObject object = new JSONObject();220        parameterService = appContext.getBean(IParameterService.class);221        String searchParameter = ParameterParserUtil.parseStringParam(request.getParameter("sSearch"), "");222        String sColumns = ParameterParserUtil.parseStringParam(request.getParameter("sColumns"), "para,valC,valS,descr");223        String columnToSort[] = sColumns.split(",");224        List<String> individualLike = new ArrayList(Arrays.asList(ParameterParserUtil.parseStringParam(request.getParameter("sLike"), "").split(",")));225        Map<String, List<String>> individualSearch = new HashMap<>();226        for (int a = 0; a < columnToSort.length; a++) {227            if (null != request.getParameter("sSearch_" + a) && !request.getParameter("sSearch_" + a).isEmpty()) {228            	List<String> search = new ArrayList(Arrays.asList(request.getParameter("sSearch_" + a).split(",")));229            	if(individualLike.contains(columnToSort[a])) {230                	individualSearch.put(columnToSort[a]+":like", search);231                }else {...

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