W pełni funkcjonalny serwer możemy utworzyć za pomocą tylko jednego pliku server.groovy.
Dodać plik server.groovy
@Grapes([
@GrabConfig(systemClassLoader = true),
@Grab(group = 'org.springframework.boot', module = 'spring-boot-starter-web', version = '2.2.6.RELEASE'),
@GrabExclude(group = 'org.springframework.boot', module = 'spring-boot-starter-tomcat'),
@Grab(group = 'org.springframework.boot', module = 'spring-boot-starter-undertow', version = '2.2.6.RELEASE')
])
import org.springframework.boot.autoconfigure.SpringBootApplication
import org.springframework.web.bind.annotation.*
import org.springframework.boot.SpringApplication
/**
* @author akrystian
*/
@SpringBootApplication
@RestController
class App {
@RequestMapping("/")
String simpleEndpoint() {
return "Hello!!"
}
}
static void main(String[] args) {
SpringApplication.run(App.class, args)
}
groovy server.groovy
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.2.6.RELEASE)
2020-04-04 02:28:52.463 INFO 32601 --- [ main] groovy.ui.GroovyMain : Starting GroovyMain v2.5.5 on Legion with PID 32601 (/home/krystian/.sdkman/candidates/groovy/current/lib/groovy-2.5.5.jar started by krystian in /home/krystian/IdeaProjects/code.conference.site)
2020-04-04 02:28:52.469 INFO 32601 --- [ main] groovy.ui.GroovyMain : No active profile set, falling back to default profiles: default
2020-04-04 02:28:53.391 WARN 32601 --- [ main] io.undertow.websockets.jsr : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used
2020-04-04 02:28:53.411 INFO 32601 --- [ main] io.undertow.servlet : Initializing Spring embedded WebApplicationContext
2020-04-04 02:28:53.411 INFO 32601 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 871 ms
2020-04-04 02:28:53.586 INFO 32601 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2020-04-04 02:28:53.716 WARN 32601 --- [ main] .b.a.g.t.GroovyTemplateAutoConfiguration : Cannot find template location: classpath:/templates/ (please add some templates, check your Groovy configuration, or set spring.groovy.template.check-template-location=false)
2020-04-04 02:28:53.859 INFO 32601 --- [ main] io.undertow : starting server: Undertow - 2.0.30.Final
2020-04-04 02:28:53.866 INFO 32601 --- [ main] org.xnio : XNIO version 3.3.8.Final
2020-04-04 02:28:53.873 INFO 32601 --- [ main] org.xnio.nio : XNIO NIO Implementation Version 3.3.8.Final
2020-04-04 02:28:53.994 INFO 32601 --- [ main] o.s.b.w.e.u.UndertowServletWebServer : Undertow started on port(s) 8080 (http) with context path ''
2020-04-04 02:28:53.998 INFO 32601 --- [ main] groovy.ui.GroovyMain : Started GroovyMain in 1.996 seconds (JVM running for 4.051)
2020-04-04 02:29:32.110 INFO 32601 --- [ XNIO-1 task-1] io.undertow.servlet : Initializing Spring DispatcherServlet 'dispatcherServlet'
2020-04-04 02:29:32.110 INFO 32601 --- [ XNIO-1 task-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet'
2020-04-04 02:29:32.118 INFO 32601 --- [ XNIO-1 task-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 8 ms
> curl -i http://localhost:8080/
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/plain;charset=UTF-8
Content-Length: 7
Date: Sat, 04 Apr 2020 00:42:57 GMT
Hello!!%