Merge pull request #402 from roshanathomas/master

Spring HATEOAS support
This commit is contained in:
slavisa-baeldung 2016-04-21 12:11:20 +01:00
commit 398b0e30f6
9 changed files with 310 additions and 1 deletions

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@ -76,6 +76,14 @@
<artifactId>spring-webmvc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- Spring HATEOAS -->
<dependency>
<groupId>org.springframework.hateoas</groupId>
<artifactId>spring-hateoas</artifactId>
<version>0.19.0.RELEASE</version>
</dependency>
<!-- web -->
@ -329,4 +337,4 @@
</properties>
</project>
</project>

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@ -0,0 +1,60 @@
package org.baeldung.persistence.model;
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;
private String companyName;
private Map<String, Order> orders;
public Customer() {
super();
}
public Customer(final String customerId, final String customerName, final String companyName) {
super();
this.customerId = customerId;
this.customerName = customerName;
this.companyName = companyName;
}
public String getCustomerId() {
return customerId;
}
public void setCustomerId(final String customerId) {
this.customerId = customerId;
}
public String getCustomerName() {
return customerName;
}
public void setCustomerName(final String customerName) {
this.customerName = customerName;
}
public String getCompanyName() {
return companyName;
}
public void setCompanyName(final String companyName) {
this.companyName = companyName;
}
public Map<String, Order> getOrders() {
return orders;
}
public void setOrders(final Map<String, Order> orders) {
this.orders = orders;
}
}

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@ -0,0 +1,50 @@
package org.baeldung.persistence.model;
import org.springframework.hateoas.ResourceSupport;
public class Order extends ResourceSupport {
private String orderId;
private double price;
private int quantity;
public Order() {
super();
}
public Order(final String orderId, final double price, final int quantity) {
super();
this.orderId = orderId;
this.price = price;
this.quantity = quantity;
}
public String getOrderId() {
return orderId;
}
public void setOrderId(final String orderId) {
this.orderId = orderId;
}
public double getPrice() {
return price;
}
public void setPrice(final double price) {
this.price = price;
}
public int getQuantity() {
return quantity;
}
public void setQuantity(final int quantity) {
this.quantity = quantity;
}
@Override
public String toString() {
return "Order [orderId=" + orderId + ", price=" + price + ", quantity=" + quantity + "]";
}
}

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@ -43,6 +43,8 @@ public class SecurityJavaConfig extends WebSecurityConfigurerAdapter {
.and()
.authorizeRequests()
.antMatchers("/api/csrfAttacker*").permitAll()
.antMatchers("/api/customers**").permitAll()
.antMatchers("/api/customer/**").permitAll()
.antMatchers("/api/**").authenticated()
.and()
.formLogin()

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@ -0,0 +1,60 @@
package org.baeldung.web.controller;
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;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
@RestController
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 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) {
final List<Order> orders = orderService.getAllOrdersForCustomer(customerId);
for (final Order order : orders) {
final Link selfLink = ControllerLinkBuilder.linkTo(ControllerLinkBuilder.methodOn(CustomerController.class).getOrderById(customerId, order.getOrderId())).withSelfRel();
order.add(selfLink);
}
return orders;
}
@RequestMapping(value = "/customers", method = RequestMethod.GET)
public List<Customer> getAllCustomers() {
final List<Customer> allCustomers = customerService.allCustomers();
for (final Customer customer : allCustomers) {
final Link selfLink = ControllerLinkBuilder.linkTo(ControllerLinkBuilder.methodOn(CustomerController.class).getCustomerById(customer.getCustomerId())).withSelfRel();
customer.add(selfLink);
if (orderService.getAllOrdersForCustomer(customer.getCustomerId()).size() > 0) {
final Link ordersLink = ControllerLinkBuilder.linkTo(ControllerLinkBuilder.methodOn(CustomerController.class).getOrdersForCustomer(customer.getCustomerId())).withRel("allOrders");
customer.add(ordersLink);
}
}
return allCustomers;
}
}

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@ -0,0 +1,13 @@
package org.baeldung.web.service;
import java.util.List;
import org.baeldung.persistence.model.Customer;
public interface CustomerService {
List<Customer> allCustomers();
Customer getCustomerDetail(final String id);
}

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@ -0,0 +1,39 @@
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.springframework.stereotype.Service;
@Service
public class CustomerServiceImpl implements CustomerService {
private HashMap<String, Customer> customerMap;
public CustomerServiceImpl() {
customerMap = 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");
customerMap.put("10A", customerOne);
customerMap.put("20B", customerTwo);
customerMap.put("30C", customerThree);
}
@Override
public List<Customer> allCustomers() {
return new ArrayList<>(customerMap.values());
}
@Override
public Customer getCustomerDetail(final String customerId) {
return customerMap.get(customerId);
}
}

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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);
}

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@ -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;
}
}