Add frontend.

src/main/java/org/takiguchi/cerberus/cerberusapp/controller/ReferentialDataController.java

@@ -0,0 +1,28 @@
+package org.takiguchi.cerberus.cerberusapp.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.takiguchi.cerberus.cerberusapp.model.ReferentialDataDTO;
+import org.takiguchi.cerberus.cerberusapp.model.ServiceType;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.takiguchi.cerberus.cerberusapp.model.ReferentialDataDTO.aReferentialData;
+
+@RestController
+@RequestMapping("/api/referentialData")
+public class ReferentialDataController {
+    @GetMapping("/serviceTypes")
+    public List<ReferentialDataDTO> getServiceTypes() {
+        return Stream.of(ServiceType.values())
+                .map(type -> aReferentialData()
+                        .withValue(type.name())
+                        .withLabel(type.name().toLowerCase())
+                        .build()
+                )
+                .collect(Collectors.toList());
+    }
+}

src/main/java/org/takiguchi/cerberus/cerberusapp/model/ReferentialDataDTO.java

@@ -0,0 +1,45 @@
+package org.takiguchi.cerberus.cerberusapp.model;
+
+public class ReferentialDataDTO {
+    private final String value;
+    private final String label;
+
+    private ReferentialDataDTO(String value, String label) {
+        this.value = value;
+        this.label = label;
+    }
+
+    public static Builder aReferentialData() {
+        return new Builder();
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+
+    public static class Builder {
+        private String value;
+        private String label;
+
+        private Builder() {
+        }
+
+        public Builder withValue(String value) {
+            this.value = value;
+            return this;
+        }
+
+        public Builder withLabel(String label) {
+            this.label = label;
+            return this;
+        }
+
+        public ReferentialDataDTO build() {
+            return new ReferentialDataDTO(value, label);
+        }
+    }
+}

src/main/resources/application.yml

@@ -12,4 +12,10 @@ spring:
     driverClassName: org.postgresql.Driver
     url: jdbc:postgresql://localhost:50001/cerberus
     username: h23
-    password: P@ssword1
+    password: P@ssword1
+  # Disable feature detection by this undocumented parameter.
+  # Check the org.hibernate.engine.jdbc.internal.JdbcServiceImpl.configure method for more details.
+  jpa:
+    database-platform: org.hibernate.dialect.PostgreSQLDialect
+    properties.hibernate.temp.use_jdbc_metadata_defaults: false
+    open-in-view: false