/*
* Copyright (C) 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/package com.google.greaze.example.rest.client;
import java.util.ArrayList;
import java.util.List;
import com.google.greaze.definition.rest.IdGsonTypeAdapterFactory;
import com.google.greaze.definition.rest.MetaData;
import com.google.greaze.definition.rest.MetaDataBase;
import com.google.greaze.definition.rest.WebContext;
import com.google.greaze.example.definition.model.Cart;
import com.google.greaze.example.definition.model.LineItem;
import com.google.greaze.example.definition.model.Order;
import com.google.greaze.example.query.definition.QueryOrdersByItemName;
import com.google.greaze.example.service.definition.SampleJsonService;
import com.google.greaze.example.service.definition.ServicePaths;
import com.google.greaze.rest.client.ResourceDepotClient;
import com.google.greaze.rest.client.RestClientStub;
import com.google.greaze.rest.query.client.ResourceQueryClient;
import com.google.greaze.webservice.client.ServerConfig;
import com.google.greaze.webservice.client.WebServiceClient;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
/**
* A sample client for the rest resource for {@link Order}
*
* @author Inderjeet Singh
*/
public class OrderClient {
private final ResourceDepotClient<Cart> cartRestClient;
private final ResourceDepotClient<Order> orderRestClient;
private final ResourceQueryClient<Order, QueryOrdersByItemName> queryClient;
private static final GsonBuilder gsonBuilder = new GsonBuilder()
.setVersion(SampleJsonService.CURRENT_VERSION)
.registerTypeAdapterFactory(new IdGsonTypeAdapterFactory())
.registerTypeAdapter(MetaData.class, new MetaDataBase.GsonTypeAdapter());
private static final Gson gson = gsonBuilder.create();
public OrderClient() {
ServerConfig serverConfig = new ExampleServerConfig();
RestClientStub restClientStub = new RestClientStub(serverConfig);
cartRestClient = new ResourceDepotClient<Cart>(
restClientStub, ServicePaths.CART.getCallPath(), Cart.class, gsonBuilder, false);
orderRestClient = new ResourceDepotClient<Order>(
restClientStub, ServicePaths.ORDER.getCallPath(), Order.class, gsonBuilder, false);
queryClient = new ResourceQueryClient<Order, QueryOrdersByItemName>(
new WebServiceClient(serverConfig), ServicePaths.ORDER.getCallPath(),
QueryOrdersByItemName.class, gsonBuilder, Order.class, false);
}
private Cart createCart(Cart cart) {
return cartRestClient.post(cart, new WebContext());
}
public Order placeOrder(Cart cart) {
Order order = new Order(cart, cart.getId().getValue());
return orderRestClient.post(order, new WebContext());
}
private List<Order> query(String itemName) {
return queryClient.query(new QueryOrdersByItemName(itemName), new WebContext());
}
public static void main(String[] args) {
OrderClient client = new OrderClient();
List<LineItem> lineItems = new ArrayList<LineItem>();
String itemName = "cheese";
lineItems.add(new LineItem(itemName, 2, 1000000L, "USD"));
Cart cart = new Cart(lineItems, "Hungry Bird", "4111-1111-1111-1111");
cart = client.createCart(cart);
Order order = client.placeOrder(cart);
System.out.println("Placed order: " + gson.toJson(order));
List<Order> queriedOrders = client.query(itemName);
System.out.printf("Queried orders by item name (%s): %s\n",
itemName, gson.toJson(queriedOrders));
}
}