add SpringBoot 2.7.x application

src/main/java/net/hostsharing/hsadminng/HsadminNgApplication.java

@@ -0,0 +1,13 @@
+package net.hostsharing.hsadminng;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class HsadminNgApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(HsadminNgApplication.class, args);
+    }
+
+}

src/main/java/net/hostsharing/hsadminng/TestController.java

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+package net.hostsharing.hsadminng;
+
+import org.hibernate.type.PostgresUUIDType;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import javax.transaction.Transactional;
+import java.util.List;
+
+@Controller
+public class TestController {
+
+    @PersistenceContext
+    private EntityManager em;
+
+    @RequestMapping(value = "/api/test", method = RequestMethod.GET)
+    public List<Object> test() {
+        final var query = em.createNativeQuery("select * from public.rbacuser")
+            .unwrap(org.hibernate.query.NativeQuery.class)
+            .addScalar("uuidColumn", PostgresUUIDType.INSTANCE);
+        return query.getResultList();
+    }
+
+    @Transactional
+    @ResponseBody
+    @RequestMapping(value = "/api/currentUser", method = RequestMethod.GET)
+    public String currentUser() {
+        em.createNativeQuery("SET LOCAL hsadminng.currentUser = 'mike@hostsharing.net';").executeUpdate();
+        em.createNativeQuery("SET LOCAL hsadminng.assumedRoles = '';").executeUpdate();
+        final var query = em.createNativeQuery("select currentUser()");
+        return query.getSingleResult().toString();
+    }
+}

src/main/resources/application.yml

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+spring:
+
+  datasource:
+    driver-class-name: org.postgresql.Driver
+    password: password
+    url: jdbc:postgresql://localhost:5432/postgres
+    username: postgres
+
+  sql:
+    init:
+      mode: never