notes/pl/java/libfws/spring/boot/spring-boot.txt
Ihar Hancharenka 5dff80e88e first
2023-03-27 16:52:17 +03:00

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https://start.spring.io/
debug traffic http
application.properties:
spring.devtools.remote.secret=mysecret
shell:
ssh:
enabled: true
port: 2222
auth: spring
CommandLineRunner:
http://nixmash.com/java/using-spring-boot-commandlinerunner/
http://howtodoinjava.com/spring/spring-boot/command-line-runner-interface-example/
-Drun.arguments="k1=v1,k2=v2,..."
class to remotely-debug:
org.springframework.boot.devtools.RemoteSpringApplication
Arguments:
url (as in browser)
Annotations:
@SpringBootApplication
public class MyApplication ...
SpringApplicationBuilder
Every ApplicationContext has an Environment
@Value("${name}")
private String name
// java -jar yourapp.jar --name=BootDragon --server-port=9000
// or use application.[properties/yml]
// bean lifecycle
@PostConstruct
@PreDestroy
Testing
@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = {
SimpleClientApplication.class
})
public class SomeBlaBlaTests {
...
}
ErrorHandling:
https://www.toptal.com/java/spring-boot-rest-api-error-handling
https://auth0.com/blog/exception-handling-and-i18n-on-spring-boots-apis
https://habrahabr.ru/post/342214/
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/web/bind/annotation/ExceptionHandler.html
https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/web/bind/annotation/ControllerAdvice.html