This is a example of grapql-java application
Author refers Getting started with GraphQL Java and Spring Boot page's example.
➜ gradle bootRun
> Task :bootRun
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:: Spring Boot :: (v2.2.0.RELEASE)
2020-02-08 20:10:51.950 INFO 17023 --- [ main] c.g.tutorial.bookdetails.Application : Starting Application on AcToMiNi-no-Mac-mini.local with PID 17023 (/Users/acto_mini/dev/15_benkyo/graphql-poc/build/classes/java/main started by acto_mini in /Users/acto_mini/dev/15_benkyo/graphql-poc)
2020-02-08 20:10:51.953 INFO 17023 --- [ main] c.g.tutorial.bookdetails.Application : No active profile set, falling back to default profiles: default
2020-02-08 20:10:52.900 INFO 17023 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2020-02-08 20:10:52.912 INFO 17023 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2020-02-08 20:10:52.912 INFO 17023 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.27]
2020-02-08 20:10:52.985 INFO 17023 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2020-02-08 20:10:52.985 INFO 17023 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 990 ms
2020-02-08 20:10:53.344 INFO 17023 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2020-02-08 20:10:53.508 INFO 17023 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2020-02-08 20:10:53.512 INFO 17023 --- [ main] c.g.tutorial.bookdetails.Application : Started Application in 2.064 seconds (JVM running for 2.479)
<=========----> 75% EXECUTING [11s]
> :bootRun- call Web API
➜ curl 'http://localhost:8080/graphql' -H 'Accept-Encoding: gzip, deflate, br' -H 'Content-Type: application/json' -H 'Accept: application/json' -H 'Connection: keep-alive' -H 'DNT: 1' -H 'Origin: file://' --data-binary '{"query":"{\n bookById(id: \"book-2\"){\n id\n name\n author {\n lastName\n firstName\n }\n }\n}"}' --compressed | jq .
{
"data": {
"bookById": {
"id": "book-2",
"name": "Moby Dick",
"author": {
"lastName": "Melville",
"firstName": "Herman"
}
}
}
}The easiest way to try out and explore a GraphQL API is to use a tool like GraphQL Playground.