Java tutorial
/* * eGov SmartCity eGovernance suite aims to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) 2018 eGovernments Foundation * * The updated version of eGov suite of products as by eGovernments Foundation * is available at http://www.egovernments.org * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ or * http://www.gnu.org/licenses/gpl.html . * * In addition to the terms of the GPL license to be adhered to in using this * program, the following additional terms are to be complied with: * * 1) All versions of this program, verbatim or modified must carry this * Legal Notice. * Further, all user interfaces, including but not limited to citizen facing interfaces, * Urban Local Bodies interfaces, dashboards, mobile applications, of the program and any * derived works should carry eGovernments Foundation logo on the top right corner. * * For the logo, please refer http://egovernments.org/html/logo/egov_logo.png. * For any further queries on attribution, including queries on brand guidelines, * please contact contact@egovernments.org * * 2) Any misrepresentation of the origin of the material is prohibited. It * is required that all modified versions of this material be marked in * reasonable ways as different from the original version. * * 3) This license does not grant any rights to any user of the program * with regards to rights under trademark law for use of the trade names * or trademarks of eGovernments Foundation. * * In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org. * */ package org.egov.api.adapter; import static org.apache.commons.lang.StringUtils.EMPTY; import static org.egov.eventnotification.utils.Constants.DDMMYYYY; import static org.egov.eventnotification.utils.Constants.EVENT_FILENAME; import static org.egov.eventnotification.utils.Constants.EVENT_FILESTOREID; import static org.egov.eventnotification.utils.Constants.INTERESTED_COUNT; import static org.egov.eventnotification.utils.Constants.MAX_TEN; import static org.egov.eventnotification.utils.Constants.URL; import static org.egov.eventnotification.utils.Constants.ZERO; import static org.egov.infra.utils.DateUtils.getDate; import static org.egov.infra.utils.DateUtils.getDefaultFormattedDate; import java.lang.reflect.Type; import org.egov.eventnotification.entity.Event; import org.egov.eventnotification.service.UserEventService; import org.joda.time.DateTime; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonSerializationContext; public class EventSearchAdapter extends DataAdapter<Event> { private UserEventService userEventService; public EventSearchAdapter(UserEventService userEventService) { this.userEventService = userEventService; } @Override public JsonElement serialize(Event event, Type typeOfSrc, JsonSerializationContext context) { JsonObject jsonObjectEvent = new JsonObject(); EventDetailsAdapter eventDetailsAdapter = new EventDetailsAdapter(); eventDetailsAdapter.populateData(jsonObjectEvent, event); DateTime sd = new DateTime(event.getStartDate()); jsonObjectEvent.addProperty("startDate", getDate(getDefaultFormattedDate(event.getStartDate()), DDMMYYYY).getTime()); String startHH = EMPTY; String startMM = EMPTY; if (sd.getHourOfDay() < MAX_TEN) startHH = ZERO + String.valueOf(sd.getHourOfDay()); else startHH = String.valueOf(sd.getHourOfDay()); if (sd.getMinuteOfHour() < MAX_TEN) startMM = ZERO + String.valueOf(sd.getMinuteOfHour()); else startMM = String.valueOf(sd.getMinuteOfHour()); jsonObjectEvent.addProperty("startTime", startHH.concat(":").concat(startMM)); DateTime ed = new DateTime(event.getEndDate()); jsonObjectEvent.addProperty("endDate", getDate(getDefaultFormattedDate(event.getEndDate()), DDMMYYYY).getTime()); String endHH = EMPTY; String endMM = EMPTY; if (ed.getHourOfDay() < MAX_TEN) endHH = ZERO + String.valueOf(ed.getHourOfDay()); else endHH = String.valueOf(ed.getHourOfDay()); if (ed.getMinuteOfHour() < MAX_TEN) endMM = ZERO + String.valueOf(ed.getMinuteOfHour()); else endMM = String.valueOf(ed.getMinuteOfHour()); jsonObjectEvent.addProperty("endTime", endHH.concat(":").concat(endMM)); if (event.getFilestore() == null) { jsonObjectEvent.addProperty(EVENT_FILESTOREID, EMPTY); jsonObjectEvent.addProperty(EVENT_FILENAME, EMPTY); } else { jsonObjectEvent.addProperty(EVENT_FILESTOREID, event.getFilestore().getFileStoreId()); jsonObjectEvent.addProperty(EVENT_FILENAME, event.getFilestore().getFileName()); } if (event.getAddress().getUrl() == null) jsonObjectEvent.addProperty(URL, EMPTY); else jsonObjectEvent.addProperty(URL, event.getAddress().getUrl()); Long interestedCount = userEventService.countUsereventByEventId(event.getId()); if (interestedCount == 0) { jsonObjectEvent.addProperty("userInterested", "No"); jsonObjectEvent.addProperty(INTERESTED_COUNT, ZERO); } else { jsonObjectEvent.addProperty("userInterested", "Yes"); jsonObjectEvent.addProperty(INTERESTED_COUNT, String.valueOf(interestedCount)); } return jsonObjectEvent; } }