Java tutorial
/* * Copyright (c) 2018 OBiBa. All rights reserved. * * This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.obiba.mica; import java.util.Arrays; import javax.annotation.PostConstruct; import javax.inject.Inject; import javax.validation.constraints.NotNull; import org.obiba.mica.config.Profiles; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.boot.Banner; import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.context.annotation.ComponentScan; import org.springframework.core.env.Environment; import org.springframework.core.env.SimpleCommandLinePropertySource; @ComponentScan("org.obiba") @EnableAutoConfiguration public class Application { private static final Logger log = LoggerFactory.getLogger(Application.class); @Inject private Environment env; /** * Initializes mica. * <p/> * Spring profiles can be configured with a program arguments --spring.profiles.active=your-active-profile * <p/> */ @PostConstruct public void initApplication() { if (env.getActiveProfiles().length == 0) { log.warn("No Spring profile configured, running with default configuration"); } else { log.info("Running with Spring profile(s) : {}", Arrays.toString(env.getActiveProfiles())); } } /** * Main method, used to run the application. * <p/> * To run the application with hot reload enabled, add the following arguments to your JVM: * "-javaagent:spring_loaded/springloaded-jhipster.jar -noverify -Dspringloaded=plugins=io.github.jhipster.loaded.instrument.JHipsterLoadtimeInstrumentationPlugin" */ public static void main(String... args) { checkSystemProperty("MICA_HOME"); SpringApplicationBuilder app = new SpringApplicationBuilder(Application.class).bannerMode(Banner.Mode.OFF); SimpleCommandLinePropertySource source = new SimpleCommandLinePropertySource(args); // Check if the selected profile has been set as argument. // if not the development profile will be added addDefaultProfile(app, source); app.run(args); } private static void checkSystemProperty(@NotNull String... properties) { for (String property : properties) { if (System.getProperty(property) == null) { throw new IllegalStateException("System property \"" + property + "\" must be defined."); } } } /** * Set a default profile if it has not been set */ private static void addDefaultProfile(SpringApplicationBuilder app, SimpleCommandLinePropertySource source) { if (!source.containsProperty("spring.profiles.active") && System.getProperty("spring.profiles.active") == null) { app.profiles(Profiles.PROD); } } }