Java tutorial
package com.devicehive.application; /* * #%L * DeviceHive Java Server Common business logic * %% * Copyright (C) 2016 DataArt * %% * 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. * #L% */ import com.devicehive.json.GsonFactory; import com.google.gson.Gson; import io.swagger.jaxrs.config.BeanConfig; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.boot.web.servlet.ServletComponentScan; import org.springframework.context.ConfigurableApplicationContext; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.FilterType; import org.springframework.context.annotation.Lazy; import org.springframework.scheduling.annotation.EnableAsync; import org.springframework.scheduling.annotation.EnableScheduling; import org.springframework.stereotype.Component; import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean; import javax.validation.Validator; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; @Component @ComponentScan(value = "com.devicehive", excludeFilters = { @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.springframework.transaction.*") }) @ServletComponentScan("com.devicehive.application.filter") @EnableScheduling @EnableAsync(proxyTargetClass = true) public class DeviceHiveApplication { public static final String MESSAGE_EXECUTOR = "DeviceHiveMessageService"; public static void main(String... args) { ConfigurableApplicationContext context = new SpringApplicationBuilder().sources(DeviceHiveApplication.class) .web(true).run(args); DeviceHiveApplication app = context.getBean(DeviceHiveApplication.class); context.registerShutdownHook(); } @Bean @Lazy(false) public BeanConfig swaggerConfig(@Value("${server.context-path}") String contextPath, @Value("${build.version}") String buildVersion) { String basePath = contextPath.equals("/") ? JerseyConfig.REST_PATH : contextPath + JerseyConfig.REST_PATH; BeanConfig beanConfig = new BeanConfig(); beanConfig.setTitle("Device Hive REST API"); beanConfig.setVersion(buildVersion); beanConfig.setBasePath(basePath); beanConfig.setResourcePackage("com.devicehive.resource"); beanConfig.setScan(true); return beanConfig; } @Lazy(false) @Bean(name = MESSAGE_EXECUTOR) public ExecutorService messageExecutorService(@Value("${app.executor.size:1}") Integer executorSize) { return Executors.newFixedThreadPool(executorSize); } @Bean public Gson gson() { return GsonFactory.createGson(); } @Bean public Validator localValidator() { return new LocalValidatorFactoryBean(); } }