/*
* 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.server.inject;
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.RestCallSpecMap;
import com.google.greaze.definition.webservice.WebServiceCallSpec;
import com.google.greaze.example.definition.model.Cart;
import com.google.greaze.example.definition.model.Order;
import com.google.greaze.example.server.ResourceQueryDispatcherExample;
import com.google.greaze.example.server.WebServiceDispatcherExample;
import com.google.greaze.example.server.cart.RepositoryServerCarts;
import com.google.greaze.example.service.definition.SampleJsonService;
import com.google.greaze.rest.server.Repository;
import com.google.greaze.rest.server.RepositoryInMemory;
import com.google.greaze.rest.server.ResponseBuilderMap;
import com.google.greaze.rest.server.RestResponseBuilder;
import com.google.greaze.server.WebServiceDispatcher;
import com.google.greaze.server.dispatcher.ResourceQueryDispatcher;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.inject.AbstractModule;
import com.google.inject.Injector;
import com.google.inject.Provides;
import com.google.inject.Singleton;
import com.google.inject.name.Names;
import com.google.inject.servlet.RequestScoped;
/**
* Guice module for things specific to the application
*
* @author Inderjeet Singh
*/
public class GreazeExampleServerModule extends AbstractModule {
@Override
protected void configure() {
bind(String.class).annotatedWith(Names.named("rest-prefix")).toInstance("/rest");
}
@Singleton
@Provides
public Repository<Order> getRepositoryOrders() {
return new RepositoryInMemory<Order>();
}
@Singleton
@Provides
public Repository<Cart> getRepositoryCarts() {
return new RepositoryServerCarts();
}
@Singleton
@Provides
public RestCallSpecMap getRestCallSpecMap() {
return SampleJsonService.REST_CALL_SPEC_MAP;
}
@Singleton
@Provides
public ResponseBuilderMap getResponseBuilders(Repository<Cart> carts, Repository<Order> orders) {
return new ResponseBuilderMap.Builder()
.set(SampleJsonService.CART_SPEC.getResourceType(), new RestResponseBuilder<Cart>(carts))
.set(SampleJsonService.ORDER_SPEC.getResourceType(), new RestResponseBuilder<Order>(orders))
.build();
}
@Singleton
@Provides
public ResourceQueryDispatcher getQueryDispatcher(Repository<Order> orders) {
return new ResourceQueryDispatcherExample(orders);
}
// This can be made Singleton since it doesn't really have anything specific to the request.
// However, in many real use-cases, Gson instance needs to be created per request.
@Singleton
@Provides
public GsonBuilder getGsonBuilder() {
return new GsonBuilder()
.setVersion(SampleJsonService.CURRENT_VERSION)
.registerTypeAdapterFactory(new IdGsonTypeAdapterFactory())
.registerTypeAdapter(MetaData.class, new MetaDataBase.GsonTypeAdapter());
}
@Singleton
@Provides
public Gson getGson(GsonBuilder gsonBuilder) {
return gsonBuilder.create();
}
@Singleton
@Provides
public WebServiceDispatcher getWebServiceDispatcher(Injector injector) {
return new WebServiceDispatcherExample(injector);
}
@RequestScoped
@Provides
public WebServiceCallSpec getWebServiceCallSpec() {
return SampleJsonService.PLACE_ORDER;
}
}