Java tutorial
/* * Copyright 2016 Jasha Joachimsthal * * Licensed 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 eu.jasha.demo.sbtfragments; import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.beans.factory.InitializingBean; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.Configuration; import org.springframework.core.io.ClassPathResource; import org.springframework.core.io.Resource; import java.io.InputStream; import java.util.List; @Configuration public class CitiesInitializer implements InitializingBean { @Autowired private CityDao cityDao; @Autowired private ObjectMapper objectMapper; @Value("${sbtfragments.citiesFile}") private String citiesFile; @Override public void afterPropertiesSet() throws Exception { Resource resource = new ClassPathResource(citiesFile); List<City> cities; try (InputStream inputStream = resource.getInputStream()) { cities = objectMapper.readValue(inputStream, new TypeReference<List<City>>() { }); } for (City city : cities) { cityDao.add(city); } } }