providers/google-cloud-storage/src/main/java/org/jclouds/googlecloudstorage/config/GoogleCloudStorageHttpApiModule.java

/*
 * 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.jclouds.googlecloudstorage.config;

import javax.inject.Singleton;

import org.jclouds.domain.Credentials;
import org.jclouds.googlecloud.config.CurrentProject;
import org.jclouds.googlecloudstorage.GoogleCloudStorageApi;
import org.jclouds.googlecloudstorage.handlers.GoogleCloudStorageErrorHandler;
import org.jclouds.googlecloudstorage.handlers.GoogleCloudStorageClientErrorRetryHandler;
import org.jclouds.http.HttpErrorHandler;
import org.jclouds.http.HttpRetryHandler;
import org.jclouds.http.annotation.ClientError;
import org.jclouds.http.annotation.Redirection;
import org.jclouds.http.annotation.ServerError;
import org.jclouds.location.Provider;
import org.jclouds.oauth.v2.config.OAuthScopes;
import org.jclouds.rest.ConfiguresHttpApi;
import org.jclouds.rest.config.HttpApiModule;

import com.google.common.base.Function;
import com.google.common.base.Supplier;
import com.google.common.base.Suppliers;
import com.google.inject.Provides;

@ConfiguresHttpApi
public class GoogleCloudStorageHttpApiModule extends HttpApiModule<GoogleCloudStorageApi> {

   @Override public void configure(){
      super.configure();
      bind(OAuthScopes.class).toInstance(GoogleCloudStorageOAuthScopes.create());
   }

   @Override
   protected void bindErrorHandlers() {
      bind(HttpErrorHandler.class).annotatedWith(Redirection.class).to(GoogleCloudStorageErrorHandler.class);
      bind(HttpErrorHandler.class).annotatedWith(ClientError.class).to(GoogleCloudStorageErrorHandler.class);
      bind(HttpErrorHandler.class).annotatedWith(ServerError.class).to(GoogleCloudStorageErrorHandler.class);
   }

   @Override
   protected void bindRetryHandlers() {
      bind(HttpRetryHandler.class).annotatedWith(ClientError.class).to(GoogleCloudStorageClientErrorRetryHandler.class);
      // TODO: GoogleCloudStorageRedirectRetryHandler?
   }

   @Provides
   @Singleton @CurrentProject
   public Supplier<String> supplyProject(@Provider final Supplier<Credentials> creds) {
      return Suppliers.compose(new Function<Credentials, String>() {
         @Override public String apply(Credentials in) {
            return CurrentProject.ClientEmail.toProjectNumber(in.identity);
         }
      }, creds);
   }
}