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));
+    }
+}

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

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+package com.baeldung.handler;
+
+import ratpack.handling.Context;
+import ratpack.handling.Handler;
+
+public class FooHandler implements Handler {
+    @Override
+    public void handle(Context ctx) throws Exception {
+        ctx.getResponse()
+            .send("Hello Foo!");
+    }
+}

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

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+package com.baeldung.handler;
+
+import ratpack.exec.Promise;
+import ratpack.handling.Context;
+import ratpack.handling.Handler;
+import ratpack.http.client.HttpClient;
+import ratpack.http.client.ReceivedResponse;
+
+import java.net.URI;
+
+public class RedirectHandler implements Handler {
+    @Override
+    public void handle(Context ctx) throws Exception {
+        HttpClient client = ctx.get(HttpClient.class);
+        URI uri = URI.create("http://localhost:5050/employee/1");
+        Promise<ReceivedResponse> responsePromise = client.get(uri);
+        responsePromise.map(response -> response.getBody()
+            .getText()
+            .toUpperCase())
+            .then(responseText -> ctx.getResponse()
+                .send(responseText));
+    }
+}