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Spring HATEOAS - separating order service

This commit is contained in:
Roshan Thomas 2016-04-09 15:54:40 -04:00
parent c6575d0bc5
commit 17a72d00a3
6 changed files with 90 additions and 48 deletions
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4
spring-security-rest/src/main/java/org/baeldung/persistence/model/Customer.java
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@ -4,6 +4,10 @@ import java.util.Map;
import org.springframework.hateoas.ResourceSupport;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
@JsonInclude(Include.NON_NULL)
public class Customer extends ResourceSupport {
private String customerId;
private String customerName;

17
spring-security-rest/src/main/java/org/baeldung/web/controller/CustomerController.java
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@ -5,6 +5,7 @@ import java.util.List;
import org.baeldung.persistence.model.Customer;
import org.baeldung.persistence.model.Order;
import org.baeldung.web.service.CustomerService;
import org.baeldung.web.service.OrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.hateoas.Link;
import org.springframework.hateoas.mvc.ControllerLinkBuilder;
@ -18,19 +19,22 @@ public class CustomerController {
@Autowired
private CustomerService customerService;
@Autowired
private OrderService orderService;
@RequestMapping(value = "/customer/{customerId}", method = RequestMethod.GET)
public Customer getCustomerById(@PathVariable final String customerId) {
return customerService.getCustomerDetail(customerId);
}
@RequestMapping(value = "/customer/{customerId}/{orderId}", method = RequestMethod.GET)
public Order getOrderByIdForCustomer(@PathVariable final String customerId, @PathVariable final String orderId) {
return customerService.getOrderByIdForCustomer(customerId, orderId);
public Order getOrderById(@PathVariable final String customerId, @PathVariable final String orderId) {
return orderService.getOrderByIdForCustomer(customerId, orderId);
}
@RequestMapping(value = "/customer/{customerId}/orders", method = RequestMethod.GET)
public List<Order> getOrdersForCustomer(@PathVariable final String customerId) {
return customerService.getAllOrdersForCustomer(customerId);
return orderService.getAllOrdersForCustomer(customerId);
}
@RequestMapping(value = "/customers", method = RequestMethod.GET)
@ -39,14 +43,11 @@ public class CustomerController {
for (final Customer customer : allCustomers) {
final Link selfLink = ControllerLinkBuilder.linkTo(ControllerLinkBuilder.methodOn(CustomerController.class).getCustomerById(customer.getCustomerId())).withSelfRel();
customer.add(selfLink);
if (customer.getOrders().values().size() > 0) {
if (orderService.getAllOrdersForCustomer(customer.getCustomerId()).size() > 0) {
final Link ordersLink = ControllerLinkBuilder.linkTo(ControllerLinkBuilder.methodOn(CustomerController.class).getOrdersForCustomer(customer.getCustomerId())).withRel("allOrders");
customer.add(ordersLink);
}
for (final Order order : customer.getOrders().values()) {
final Link orderLink = ControllerLinkBuilder.linkTo(ControllerLinkBuilder.methodOn(CustomerController.class).getOrderByIdForCustomer(customer.getCustomerId(), order.getOrderId())).withRel("order");
order.add(orderLink);
}
}
return allCustomers;
}

5
spring-security-rest/src/main/java/org/baeldung/web/service/CustomerService.java
View File

@ -3,7 +3,6 @@ package org.baeldung.web.service;
import java.util.List;
import org.baeldung.persistence.model.Customer;
import org.baeldung.persistence.model.Order;
public interface CustomerService {
@ -11,8 +10,4 @@ public interface CustomerService {
Customer getCustomerDetail(final String id);
List<Order> getAllOrdersForCustomer(String customerId);
Order getOrderByIdForCustomer(String customerId, String orderId);
}

35
spring-security-rest/src/main/java/org/baeldung/web/service/CustomerServiceImpl.java
View File

@ -5,37 +5,21 @@ import java.util.HashMap;
import java.util.List;
import org.baeldung.persistence.model.Customer;
import org.baeldung.persistence.model.Order;
import org.springframework.stereotype.Service;
@Service
public class CustomerServiceImpl implements CustomerService {
private HashMap<String, Customer> customerMap;
private HashMap<String, Order> customerOneOrderMap;
private HashMap<String, Order> customerTwoOrderMap;
private HashMap<String, Order> customerThreeOrderMap;
public CustomerServiceImpl() {
customerMap = new HashMap<>();
customerOneOrderMap = new HashMap<>();
customerTwoOrderMap = new HashMap<>();
customerThreeOrderMap = new HashMap<>();
final Customer customerOne = new Customer("10A", "Jane", "ABC Company");
final Customer customerTwo = new Customer("20B", "Bob", "XYZ Company");
final Customer customerThree = new Customer("30C", "Tim", "CKV Company");
customerOneOrderMap.put("001A", new Order("001A", 150.00, 25));
customerOneOrderMap.put("002A", new Order("002A", 250.00, 15));
customerTwoOrderMap.put("002B", new Order("002B", 550.00, 325));
customerTwoOrderMap.put("002B", new Order("002B", 450.00, 525));
customerOne.setOrders(customerOneOrderMap);
customerTwo.setOrders(customerTwoOrderMap);
customerThree.setOrders(customerThreeOrderMap);
customerMap.put("10A", customerOne);
customerMap.put("20B", customerTwo);
customerMap.put("30C", customerThree);
@ -52,23 +36,4 @@ public class CustomerServiceImpl implements CustomerService {
return customerMap.get(customerId);
}
@Override
public List<Order> getAllOrdersForCustomer(final String customerId) {
return new ArrayList<>(customerMap.get(customerId).getOrders().values());
}
@Override
public Order getOrderByIdForCustomer(final String customerId, final String orderId) {
final List<Order> orders = (List<Order>) customerMap.get(customerId).getOrders().values();
Order selectedOrder = null;
for (final Order order : orders) {
if (order.getId().equals(orderId)) {
selectedOrder = order;
}
}
return selectedOrder;
}
}

13
spring-security-rest/src/main/java/org/baeldung/web/service/OrderService.java Normal file
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@ -0,0 +1,13 @@
package org.baeldung.web.service;
import java.util.List;
import org.baeldung.persistence.model.Order;
public interface OrderService {
List<Order> getAllOrdersForCustomer(String customerId);
Order getOrderByIdForCustomer(String customerId, String orderId);
}

64
spring-security-rest/src/main/java/org/baeldung/web/service/OrderServiceImpl.java Normal file
View File

@ -0,0 +1,64 @@
package org.baeldung.web.service;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.baeldung.persistence.model.Customer;
import org.baeldung.persistence.model.Order;
import org.springframework.stereotype.Service;
@Service
public class OrderServiceImpl implements OrderService {
private HashMap<String, Customer> customerMap;
private HashMap<String, Order> customerOneOrderMap;
private HashMap<String, Order> customerTwoOrderMap;
private HashMap<String, Order> customerThreeOrderMap;
public OrderServiceImpl() {
customerMap = new HashMap<>();
customerOneOrderMap = new HashMap<>();
customerTwoOrderMap = new HashMap<>();
customerThreeOrderMap = new HashMap<>();
customerOneOrderMap.put("001A", new Order("001A", 150.00, 25));
customerOneOrderMap.put("002A", new Order("002A", 250.00, 15));
customerTwoOrderMap.put("002B", new Order("002B", 550.00, 325));
customerTwoOrderMap.put("002B", new Order("002B", 450.00, 525));
final Customer customerOne = new Customer("10A", "Jane", "ABC Company");
final Customer customerTwo = new Customer("20B", "Bob", "XYZ Company");
final Customer customerThree = new Customer("30C", "Tim", "CKV Company");
customerOne.setOrders(customerOneOrderMap);
customerTwo.setOrders(customerTwoOrderMap);
customerThree.setOrders(customerThreeOrderMap);
customerMap.put("10A", customerOne);
customerMap.put("20B", customerTwo);
customerMap.put("30C", customerThree);
}
@Override
public List<Order> getAllOrdersForCustomer(final String customerId) {
return new ArrayList<>(customerMap.get(customerId).getOrders().values());
}
@Override
public Order getOrderByIdForCustomer(final String customerId, final String orderId) {
final List<Order> orders = (List<Order>) customerMap.get(customerId).getOrders().values();
Order selectedOrder = null;
for (final Order order : orders) {
if (order.getId().equals(orderId)) {
selectedOrder = order;
}
}
return selectedOrder;
}
}