Implement the getOrders endpoint.

src/main/java/com/nopcommerce/NopCommerceClient.java

@@ -19,4 +19,7 @@ public interface NopCommerceClient
 
     @RequestLine("GET /api/collects?limit={limit}&since_id={since-id}&page={page}&fields={fields}")
     ProductCategoryMappingList getProductCategoryMappings(@Param("limit") Integer limit, @Param("page") Integer page, @Param("since-id") String sinceId, @Param("fields") String fields);
+
+    @RequestLine("GET /api/orders?limit={limit}&since_id={since-id}&page={page}&fields={fields}")
+    OrderList getOrders(@Param("limit") Integer limit, @Param("page") Integer page, @Param("since-id") String sinceId, @Param("fields") String fields);
 }

src/main/java/com/nopcommerce/domain/Order.java

@@ -0,0 +1,52 @@
+package com.nopcommerce.domain;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.nopcommerce.jackson.FlexDateDeserializer;
+import com.nopcommerce.jackson.FlexDateSerializer;
+import com.nopcommerce.json.JsonConstants;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.util.Date;
+import java.util.List;
+
+@Data
+public class Order
+{
+    @JsonProperty(value = JsonConstants.ID)
+    private int id;
+
+    @JsonProperty(value = JsonConstants.ORDER_TOTAL)
+    private BigDecimal orderTotal;
+
+    @JsonProperty(value = JsonConstants.BILLING_ADDRESS)
+    private Address billingAddress;
+
+    @JsonProperty(value = JsonConstants.SHIPPING_ADDRESS)
+    private Address shippingAddress;
+
+    @JsonProperty(value = JsonConstants.CUSTOMER)
+    private Customer customer;
+
+    @JsonProperty(value = JsonConstants.SHIPPING_METHOD)
+    private String shippingMethod;
+
+    @JsonProperty(value = JsonConstants.ORDER_STATUS)
+    private OrderStatus orderStatus;
+
+    @JsonProperty(value = JsonConstants.PAYMENT_STATUS)
+    private PaymentStatus paymentStatus;
+
+    @JsonProperty(value = JsonConstants.SHIPPING_STATUS)
+    private ShippingStatus shippingStatus;
+
+    @JsonProperty(value = JsonConstants.ORDER_ITEMS)
+    private List<OrderItem> orderItems;
+
+    @JsonProperty(value = JsonConstants.CREATED_ON_UTC)
+    @JsonDeserialize(using = FlexDateDeserializer.class)
+    @JsonSerialize(using = FlexDateSerializer.class)
+    private Date createdDate;
+}

src/main/java/com/nopcommerce/domain/OrderItem.java

@@ -0,0 +1,15 @@
+package com.nopcommerce.domain;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.nopcommerce.json.JsonConstants;
+import lombok.Data;
+
+@Data
+public class OrderItem
+{
+    @JsonProperty(value = JsonConstants.QUANTITY)
+    private int quantity;
+
+    @JsonProperty(value = JsonConstants.PRODUCT)
+    private Product product;
+}

src/main/java/com/nopcommerce/domain/OrderList.java

@@ -0,0 +1,14 @@
+package com.nopcommerce.domain;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.nopcommerce.json.JsonConstants;
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+public class OrderList
+{
+    @JsonProperty(value = JsonConstants.ORDERS)
+    private List<Order> orders;
+}

src/main/java/com/nopcommerce/domain/OrderStatus.java

@@ -0,0 +1,25 @@
+package com.nopcommerce.domain;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+
+public enum OrderStatus
+{
+    Pending("Pending"),
+
+    Processing("Processing"),
+
+    Complete("Complete"),
+
+    Cancelled("Cancelled");
+
+    private String value;
+
+    OrderStatus(final String value) {
+        this.value = value;
+    }
+
+    @JsonValue
+    public String getValue() {
+        return this.value;
+    }
+}

src/main/java/com/nopcommerce/domain/PaymentStatus.java

@@ -0,0 +1,30 @@
+package com.nopcommerce.domain;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+
+public enum PaymentStatus
+{
+    Pending("Pending"),
+
+    Authorized("Authorized"),
+
+    Paid("Paid"),
+
+    PartiallyRefunded("PartiallyRefunded"),
+
+    Refunded("Refunded"),
+
+    Voided("Voided");
+
+
+    private String value;
+
+    PaymentStatus(final String value) {
+        this.value = value;
+    }
+
+    @JsonValue
+    public String getValue() {
+        return this.value;
+    }
+}

src/main/java/com/nopcommerce/domain/ShippingStatus.java

@@ -0,0 +1,28 @@
+package com.nopcommerce.domain;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+
+public enum ShippingStatus
+{
+    ShippingNotRequired("ShippingNotRequired"),
+
+    NotYetShipped("NotYetShipped"),
+
+    PartiallyShipped("PartiallyShipped"),
+
+    Shipped("Shipped"),
+
+    Delivered("Delivered");
+
+
+    private String value;
+
+    ShippingStatus(final String value) {
+        this.value = value;
+    }
+
+    @JsonValue
+    public String getValue() {
+        return this.value;
+    }
+}

src/main/java/com/nopcommerce/json/JsonConstants.java

@@ -30,6 +30,7 @@ public final class JsonConstants
 
     // Product
     public static final String PRODUCTS = "products";
+    public static final String PRODUCT = "product";
 
     public static final String SHORT_DESCRIPTION = "short_description";
     public static final String FULL_DESCRIPTION = "full_description";
@@ -46,4 +47,19 @@ public final class JsonConstants
 
     public static final String PRODUCT_ID = "product_id";
     public static final String CATEGORY_ID = "category_id";
+
+    // Order
+    public static final String ORDERS = "orders";
+
+    public static final String ORDER_TOTAL = "order_total";
+    public static final String ORDER_ITEMS = "order_items";
+    public static final String BILLING_ADDRESS = "billing_address";
+    public static final String SHIPPING_ADDRESS = "shipping_address";
+    public static final String CUSTOMER = "customer";
+    public static final String ORDER_STATUS = "order_status";
+    public static final String PAYMENT_STATUS = "payment_status";
+    public static final String SHIPPING_STATUS = "shipping_status";
+    public static final String SHIPPING_METHOD = "shipping_method";
+
+    public static final String QUANTITY = "quantity";
 }