Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package com.gst.spm.service; import com.gst.infrastructure.security.service.PlatformSecurityContext; import com.gst.spm.domain.Survey; import com.gst.spm.repository.SurveyRepository; import org.joda.time.DateTime; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import java.util.Date; import java.util.List; @Service public class SpmService { private final PlatformSecurityContext securityContext; private final SurveyRepository surveyRepository; @Autowired public SpmService(final PlatformSecurityContext securityContext, final SurveyRepository surveyRepository) { super(); this.securityContext = securityContext; this.surveyRepository = surveyRepository; } public List<Survey> fetchValidSurveys() { this.securityContext.authenticatedUser(); return this.surveyRepository.fetchActiveSurveys(new Date()); } public Survey findById(final Long id) { this.securityContext.authenticatedUser(); return this.surveyRepository.findOne(id); } public Survey createSurvey(final Survey survey) { this.securityContext.authenticatedUser(); final Survey previousSurvey = this.surveyRepository.findByKey(survey.getKey(), new Date()); if (previousSurvey != null) { this.deactivateSurvey(previousSurvey.getId()); } // set valid from to start of today final DateTime validFrom = DateTime.now().withHourOfDay(0).withMinuteOfHour(0).withSecondOfMinute(0) .withMillisOfSecond(0); survey.setValidFrom(validFrom.toDate()); // set valid from to end in 100 years final DateTime validTo = validFrom.withDayOfMonth(31).withMonthOfYear(12).withHourOfDay(23) .withMinuteOfHour(59).withSecondOfMinute(59).withMillisOfSecond(999).plusYears(100); survey.setValidTo(validTo.toDate()); return this.surveyRepository.save(survey); } public void deactivateSurvey(final Long id) { this.securityContext.authenticatedUser(); final Survey survey = this.surveyRepository.findOne(id); if (survey != null) { // set valid to to yesterday night final DateTime dateTime = DateTime.now().withHourOfDay(23).withMinuteOfHour(59).withSecondOfMinute(59) .withMillisOfSecond(999).minusDays(1); survey.setValidTo(dateTime.toDate()); this.surveyRepository.save(survey); } } }