/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements. See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership. The ASF licenses this file

  * to you 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 org.apache.shindig.social.core.config;

 import org.apache.shindig.auth.AnonymousAuthenticationHandler;

 import org.apache.shindig.auth.AuthenticationHandler;

 import org.apache.shindig.common.servlet.ParameterFetcher;

 import org.apache.shindig.social.core.oauth.AuthenticationHandlerProvider;

 import org.apache.shindig.social.core.util.BeanJsonConverter;

 import org.apache.shindig.social.core.util.BeanXStreamAtomConverter;

 import org.apache.shindig.social.core.util.BeanXStreamConverter;

 import org.apache.shindig.social.opensocial.service.BeanConverter;

 import org.apache.shindig.social.opensocial.service.DataServiceServletFetcher;

 import org.apache.shindig.social.opensocial.service.StandardHandlerDispatcher;

 import org.apache.shindig.social.opensocial.service.HandlerDispatcher;

 import org.apache.shindig.social.sample.service.SampleContainerHandler;

 import com.google.inject.AbstractModule;

 import com.google.inject.Inject;

 import com.google.inject.Provider;

 import com.google.inject.TypeLiteral;

 import com.google.inject.name.Names;

 import java.util.List;

 /**

  * Provides social api component injection. Implementor may want to replace this module if they need

  * to replace some of the internals of the Social API, like for instance the JSON to Bean to JSON

  * converter Beans, however in general this should not be required, as most default implementations

  * have been specified with the Guice @ImplementedBy annotation.

  */

 public class SocialApiGuiceModule extends AbstractModule {

   /** {@inheritDoc} */

   @Override

   protected void configure() {

     bind(HandlerDispatcher.class).toProvider(HandlerDispatcherProvider.class);

     bind(ParameterFetcher.class).annotatedWith(Names.named("DataServiceServlet"))

         .to(DataServiceServletFetcher.class);

     bind(String.class).annotatedWith(Names.named("shindig.canonical.json.db"))

         .toInstance("sampledata/canonicaldb.json");

     bind(Boolean.class)

         .annotatedWith(Names.named(AnonymousAuthenticationHandler.ALLOW_UNAUTHENTICATED))

         .toInstance(Boolean.TRUE);

     bind(BeanConverter.class).annotatedWith(Names.named("shindig.bean.converter.xml")).to(

         BeanXStreamConverter.class);

     bind(BeanConverter.class).annotatedWith(Names.named("shindig.bean.converter.json")).to(

         BeanJsonConverter.class);

     bind(BeanConverter.class).annotatedWith(Names.named("shindig.bean.converter.atom")).to(

         BeanXStreamAtomConverter.class);

     bind(new TypeLiteral<List<AuthenticationHandler>>(){}).toProvider(

         AuthenticationHandlerProvider.class);

   }

   /**

    * Provider for the HandlerDispatcher.  Adds the sample container handler

    * at "samplecontainer".

    */

   static class HandlerDispatcherProvider implements Provider<HandlerDispatcher> {

     private final HandlerDispatcher dispatcher;

     @Inject

     public HandlerDispatcherProvider(StandardHandlerDispatcher dispatcher,

         Provider<SampleContainerHandler> sampleHandler) {

       dispatcher.addHandler("samplecontainer", sampleHandler);

       this.dispatcher = dispatcher;

     }

     public HandlerDispatcher get() {

       return dispatcher;

     }

   }

 }