The document summarizes the key features and highlights of Spring Boot 1.3, which is scheduled for release in September 2015. Some of the main things covered include Spring 4.2 support, new auto-configurations for caching, OAuth2, and other components, improvements to non-functional aspects like metrics export, and enhancements to DevOps tools including a systemd service generator and improved development tools. Upcoming user group events related to Spring are also announced.

1. Spring Boot 1.3 News
earlier than anywhere else
Shibuya-Java 2015-08-01
@making (Toshiaki Maki)

2. About me
• @making
• Spring enthusiast/contributor

3. Spring Boot
http://blog.pivotal.io/pivotal-cloud-foundry/features/mapping-the-cloud-native-journey

4. Spring Boot
http://blog.pivotal.io/pivotal-cloud-foundry/features/mapping-the-cloud-native-journey
1.4 M Downloads
a month!!!

5. Spring Boot 1.3!
will be released @ 2015-09
Current version is 1.3.0.RC2

6. Quick Start with
Spring Initializer w/ STS

7. Quick Start with
Spring Initializer w/ STS

8. Quick Start with
Spring Initializer w/ IDEA

9. Quick Start with
Spring Initializer w/ IDEA

10. • Spring 4.2 Support
• New AutoConfigures
• Non-functionalities
• DevOps
Highlights of Spring Boot 1.3
https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-1.3-Release-Notes

11. Today s Demo Sources
https://github.com/making/
demo-spring-boot-1.3

12. • Spring 4.2 Support
• New AutoConfigures
• Non-functionalities
• DevOps
Highlights of Spring Boot 1.3

13. Spring 4.2 Support
• Server Sent Event (SSE)
• Cross Origin Resource Sharing (CORS)
• ScriptEngineView
• CompletableFuture
• and so on…
Released
Yesterday!
https://spring.io/blog/2015/07/31/spring-framework-4-2-goes-ga

14. • Spring 4.2 Support
• New AutoConfigures
• Non-functionalities
• DevOps
Highlights of Spring Boot 1.3

15. New AutoConfigures
• Cache
• OAuth2
• Spring Session
• jOOQ
• EmbeddedMongoDB

16. Cache
AutoConfigure for Spring Cache Abstraction
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>

17. Cache@EnableCaching
@SpringBootApplication
@RestController
public class Demo {
@Autowired WeatherService service;
@RequestMapping
String hello() {
long start = System.currentTimeMillis();
String result = service.getWeather("Tokyo");
long elapsed = System.currentTimeMillis() - start;
return result + " took " + elapsed + " [ms]";
}
public static void main(String[] args) {
SpringApplication.run(Demo.class, args);
}
}

18. Cache
@CacheConfig(cacheNames = "weather")
@Service
class WeatherService {
@Cacheable
public String getWeather(String where) {
// Access OpenWeatherMap API;
}
}

19. Cache
@CacheDefaults(cacheName = "weather")
@Service
class WeatherService {
@CacheResult
public String getWeather(String where) {
// Access OpenWeatherMap API;
}
} Standard JCache API
is also available

20. Cache

21. Cache Managers
•ConcurrentHashMap
•EhCache
•Hazelcast
•Infinispan
•JCache (JSR 107)
•Redis
•Guava
See Samples
https://github.com/making/demo-spring-boot-1.3
https://blog.ik.am/#/entries/339

22. OAuth2
AutoConfigure for Spring Security OAuth2
<dependency>
<groupId>org.springframework.security.oauth</groupId>
<artifactId>spring-security-oauth2</artifactId>
</dependency>

23. OAuth2
@SpringBootApplication
@RestController
public class Demo {
@RequestMapping("/")
String hello() {
return "Hello World!";
}
public static void main(String[] args) {
SpringApplication.run(Demo.class, args);
}
}

24. OAuth2
@SpringBootApplication
@EnableAuthorizationServer
@EnableResourceServer
@RestController
public class Demo {
@RequestMapping("/")
String hello() {
return "Hello World!";
}
public static void main(String[] args) {
SpringApplication.run(Demo.class, args);
}
}
security.user.name=user
security.user.password=password
security.oauth2.client.client-id=foo
security.oauth2.client.client-secret=bar

25. OAuth2
$ curl localhost:8080
{
"error": "unauthorized",
"error_description": "Full authentication is
required to access this resource"
}

26. OAuth2
$ curl foo:bar@localhost:8080/oauth/token -d
grant_type=password -d username=user -d password=password
-d scope=read
{
"access_token": "43a001d3-862f-4f02-a60f-b04d0988c24c",
"token_type": "bearer",
"refresh_token": "e4af4aac-eb8e-423b-b3a9-a73ba0f81fd1",
"expires_in": 43199,
"scope": "read"
}
Client ID/Secret Resource Owner s
username/password

27. OAuth2
$ curl -H "Authorization: Bearer
43a001d3-862f-4f02-a60f-b04d0988c24c" localhost:
8080
Hello World!

28. OAuth2 SSO
@SpringBootApplication
@EnableOAuthSso
@RestController
public class Demo {
@RequestMapping("/")
String hello(OAuth2Authentication auth) {
return "Hello " + auth.getName();
}
public static void main(String[] args) {
SpringApplication.run(Demo.class, args);
}
}

29. OAuth2 SSO
security.oauth2.client.client-id=5f6623be1882438a166a
security.oauth2.client.client-secret=fb38ecb19304645292ace4e3cfc8ba3102c44dc8
security.oauth2.client.access-token-uri=https://github.com/login/oauth/access_token
security.oauth2.client.user-authorization-uri=https://github.com/login/oauth/authorize
security.oauth2.client.client-authentication-scheme=form
security.oauth2.resource.user-info-uri=https://api.github.com/user
security.oauth2.resource.prefer-token-info=false

30. OAuth2 SSO

31. OAuth2 SSO
security.oauth2.client.client-id=746653690954-hheiimv40v167fp6f26g
security.oauth2.client.client-secret=jo7Ee9oHJY2i9DeOWHXuMcD-
security.oauth2.client.access-token-uri=https://www.googleapis.com/oauth2/v3/token
security.oauth2.client.user-authorization-uri=https://accounts.google.com/o/oauth2/auth
security.oauth2.client.client-authentication-scheme=form
security.oauth2.client.scope=profile,email
security.oauth2.resource.user-info-uri=https://www.googleapis.com/plus/v1/people/me
security.oauth2.resource.prefer-token-info=false
Goole+ API is also available!!

32. OAuth2 SSO

33. jOOQ
AutoConfigure for jOOQ
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jooq</artifactId>
</dependency>

34. jOOQ
@Repository
public class CustomerRepository {
@Autowired
DSLContext dslContext;
public List<Customer> findAll() {
return dslContext.select()
.from(CUSTOMERS)
.orderBy(CUSTOMERS.FIRST_NAME.asc())
.fetchInto(Customer.class);
}
}
AutoConfigured
Exception Handler, TransactionManager…
are also configured

35. Spring Session
AutoConfigure for Spring Session
<dependency>
<groupId>org.springframework.session</groupId>
<artifactId>spring-session</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-redis</artifactId>
</dependency>

36. Spring Session
@SpringBootApplication
@RestController
public class Demo {
@Value("${server.port:8080}") int port;
@RequestMapping("/")
String hello(HttpSession session) {
return "port=" + port + ", id="
+ session.getId();
}
public static void main(String[] args) {
SpringApplication.run(Demo.class, args);
}
}
Nothing special!

37. Spring Session
$ java -jar demo.jar --server.port=8080
$ java -jar demo.jar --server.port=8081

38. Spring Session

39. Spring Session

40. Spring Session

41. EmbeddedMongoDB
AutoConfigure for Embedded Mongo
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
</dependency>
Automatically used

42. • Spring 4.2 Support
• New AutoConfigures
• Non-functionalities
• DevOps
Highlights of Spring Boot 1.3

43. Non-functionalities
• OpenTSDB Metrics Writer
• StatsD Metrics Writer
• New Healthcheck

44. OpenTSDB Metrics Writer
@Bean
@ExportMetricWriter
@ConfigurationProperties("metrics.export")
MetricWriter metricWriter() {
return new OpenTsdbMetricWriter();
}
metrics.export.url=http://localhost:4242/api/put
Export metrics to

45. StatsD Metrics Writer
Export metrics to StatsD
@Bean
@ExportMetricWriter
MetricWriter metricWriter(
@Value("${statsd.prefix}") String prefix,
@Value("${statsd.host}") String host,
@Value("${statsd.port}") int port) {
return new StatsdMetricWriter(prefix, host, port);
}
statsd.prefix=demo
statsd.host=localhost
statsd.port=8125

46. StatsD Metrics Writer
StatsD + Graphite + Grafana
https://github.com/kamon-io/docker-grafana-graphite

47. New Health Check
• Elasticsearch
• Email
• JMS

48. Highlights of Spring Boot 1.3
• Spring 4.2 Support
• New AutoConfigures
• Non-functionalities
• DevOps

49. DevOps
• Ascii Color Banner
• Systemd Service
• DevTools

50. Ascii Color Banner
${AnsiColor.BRIGHT_GREEN}My Application
${AnsiColor.BRIGHT_YELLOW}Hello!!${AnsiColor.DEFAULT}
src/main/resources/banner.txt

51. Ascii Color Banner

52. Systemd Service
$ mvn package
$ cp target/*.jar /var/demo/demo
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<executable>true</executable>
</configuration>
</plugin>

53. Systemd Service
$ systemctl start demo
$ systemctl enable demo
[Unit]
Description=demo
After=syslog.target
[Service]
ExecStart=/var/demo/demo
[Install]
WantedBy=multi-user.target
/etc/systemd/system/demo.service

54. DevTools
• Disabling template cache
• Auto restart Class Loader
• Live reload browser
• Remote debug & restart

55. DevTools
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>

56. Disabling template cache
spring.thymeleaf.cache=false
spring.freemarker.cache=false
spring.groovy.template.cache=false
spring.velocity.cache=false
spring.mustache.cache=false

57. spring.thymeleaf.cache=false
spring.freemarker.cache=false
spring.groovy.template.cache=false
spring.velocity.cache=false
spring.mustache.cache=false
No longer
needed!!
Disabling template cache

58. Auto restart Class Loader
Demo
https://blog.ik.am/#/entries/349

59. Live reload browser
Demo

60. Remote debug & restart
https://www.youtube.com/watch?v=A70NMxV13TI

61. Wrap Up
Spring 4.2
• Server-Sent Events
• CORS
• ScriptEngineView
• CompletableFuture
New AutoConfigures
• Cache
• OAuth2
• Spring Session
• jOOQ
Non-functionalities
• OpenTSDB Metrics
• StatsD Metrics
• New Healthcheck
DevOps
• Ascii Color Banner
• Systemd Service
• DevTools

62. Announce!!
• Spring in Summer
• 2015-08-28（Fri.）09:30 - 18:30
• GranTokyo South Tower
https://jsug.doorkeeper.jp/events/27682
Largest Spring
Event in Japan!!

63. Announce!!
• JJUG LT Festival!!
• 2015-08-10（Mon.）19:00 - 21:00
https://jjug.doorkeeper.jp/events/28181