package eu.openaire.pdf_aggregation_statistics; import eu.openaire.pdf_aggregation_statistics.util.UriBuilder; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.boot.CommandLineRunner; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext; import org.springframework.context.ConfigurableApplicationContext; import org.springframework.context.annotation.Bean; import org.springframework.core.env.Environment; import org.springframework.scheduling.annotation.EnableScheduling; import org.springframework.web.cors.CorsConfiguration; import org.springframework.web.cors.CorsConfigurationSource; import org.springframework.web.cors.UrlBasedCorsConfigurationSource; import javax.annotation.PreDestroy; import java.util.Arrays; import java.util.Collections; @SpringBootApplication @EnableScheduling public class PdfAggregationStatisticsApplication { private static final Logger logger = LoggerFactory.getLogger(PdfAggregationStatisticsApplication.class); private static ConfigurableApplicationContext context; public static void main(String[] args) { context = SpringApplication.run(PdfAggregationStatisticsApplication.class, args); } @Bean public CorsConfigurationSource corsConfigurationSource() { CorsConfiguration configuration = new CorsConfiguration(); configuration.setAllowedOrigins(Collections.singletonList("*")); configuration.setAllowedMethods(Collections.singletonList("GET")); configuration.setAllowedHeaders(Arrays.asList("authorization", "content-type", "x-auth-token")); configuration.setExposedHeaders(Collections.singletonList("x-auth-token")); UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource(); source.registerCorsConfiguration("/**", configuration); return source; } public static void gentleAppShutdown() { int exitCode = 0; try { exitCode = SpringApplication.exit(context, () -> 0); // The "PreDestroy" method will be called. (the "context" will be closed automatically (I checked it)) } catch (IllegalArgumentException iae) { logger.error(iae.getMessage()); // This will say "Context must not be null", in case the "gentleAppShutdown()" was called too early in the app's lifetime. But it's ok. } System.exit(exitCode); } @PreDestroy public void preDestroy() { // TODO - Add any future shut-down logic here (e.g. shutting down threads). logger.info("Exiting.."); } @Bean public CommandLineRunner setServerBaseUrl(Environment environment, ServletWebServerApplicationContext webServerAppCtxt) { return args -> new UriBuilder(environment, webServerAppCtxt); } }