BAEL-5300: add payment resources code

spring-cloud/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/client/PaymentClient.java

@@ -0,0 +1,16 @@
+package com.baeldung.cloud.openfeign.client;
+
+import com.baeldung.cloud.openfeign.model.Payment;
+import com.baeldung.cloud.openfeign.oauthfeign.OAuthFeignConfig;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import java.util.List;
+
+@FeignClient(name = "payment-client", url = "http://localhost:8081/resource-server-jwt", configuration = OAuthFeignConfig.class)
+public interface PaymentClient {
+
+    @RequestMapping(value = "/payments", method = RequestMethod.GET)
+    List<Payment> getPayments();
+}

spring-cloud/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/controller/PaymentController.java

@@ -0,0 +1,24 @@
+package com.baeldung.cloud.openfeign.controller;
+
+import com.baeldung.cloud.openfeign.client.PaymentClient;
+import com.baeldung.cloud.openfeign.model.Payment;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class PaymentController {
+
+    private final PaymentClient paymentClient;
+
+    public PaymentController(PaymentClient paymentClient) {
+        this.paymentClient = paymentClient;
+    }
+
+    @GetMapping("/payments")
+    public List<Payment> getPayments() {
+        List<Payment> payments = paymentClient.getPayments();
+        return payments;
+    }
+}

spring-cloud/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/model/Payment.java

@@ -0,0 +1,23 @@
+package com.baeldung.cloud.openfeign.model;
+
+public class Payment {
+
+    private String id;
+    private double amount;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public double getAmount() {
+        return amount;
+    }
+
+    public void setAmount(double amount) {
+        this.amount = amount;
+    }
+}