Ratpack HTTP Client

ratpack/src/main/java/com/baeldung/handler/EmployeeHandler.java

@@ -0,0 +1,20 @@
+package com.baeldung.handler;
+
+import com.baeldung.repository.EmployeeRepository;
+import com.baeldung.model.Employee;
+import ratpack.exec.Promise;
+import ratpack.handling.Context;
+import ratpack.handling.Handler;
+
+public class EmployeeHandler implements Handler {
+    @Override
+    public void handle(Context ctx) throws Exception {
+        EmployeeRepository repository = ctx.get(EmployeeRepository.class);
+        Long id = Long.valueOf(ctx.getPathTokens()
+            .get("id"));
+        Promise<Employee> employeePromise = repository.findEmployeeById(id);
+        employeePromise.map(employee -> employee.getName())
+            .then(name -> ctx.getResponse()
+                .send(name));
+    }
+}