org.jclouds.atmosonline.saas.config.AtmosStorageRestClientModule Maven / Gradle / Ivy

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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. 
 *
 * ====================================================================
 * 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 org.jclouds.atmosonline.saas.config;

import java.util.concurrent.TimeUnit;

import javax.inject.Named;

import org.jclouds.Constants;
import org.jclouds.atmosonline.saas.AtmosStorageAsyncClient;
import org.jclouds.atmosonline.saas.AtmosStorageClient;
import org.jclouds.atmosonline.saas.handlers.AtmosStorageClientErrorRetryHandler;
import org.jclouds.atmosonline.saas.handlers.ParseAtmosStorageErrorFromXmlContent;
import org.jclouds.date.DateService;
import org.jclouds.date.TimeStamp;
import org.jclouds.http.HttpErrorHandler;
import org.jclouds.http.HttpRetryHandler;
import org.jclouds.http.RequiresHttp;
import org.jclouds.http.annotation.ClientError;
import org.jclouds.http.annotation.Redirection;
import org.jclouds.http.annotation.ServerError;
import org.jclouds.rest.ConfiguresRestClient;
import org.jclouds.rest.config.RestClientModule;

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

/**
 * Configures the EMC Atmos Online Storage authentication service connection,
 * including logging and http transport.
 * 
 * @author Adrian Cole
 */
@ConfiguresRestClient
@RequiresHttp
public class AtmosStorageRestClientModule extends RestClientModule {
   public AtmosStorageRestClientModule() {
      super(AtmosStorageClient.class, AtmosStorageAsyncClient.class);
   }

   @Override
   protected void configure() {
      install(new AtmosStorageParserModule());
      install(new AtmosObjectModule());
      super.configure();
   }

   @Provides
   @TimeStamp
   protected String provideTimeStamp(@TimeStamp Supplier cache) {
      return cache.get();
   }

   /**
    * borrowing concurrency code to ensure that caching takes place properly
    */
   @Provides
   @TimeStamp
   Supplier provideTimeStampCache(@Named(Constants.PROPERTY_SESSION_INTERVAL) long seconds,
         final DateService dateService) {
      return Suppliers.memoizeWithExpiration(new Supplier() {
         public String get() {
            return dateService.rfc822DateFormat();
         }
      }, seconds, TimeUnit.SECONDS);
   }

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

   @Override
   protected void bindRetryHandlers() {
      bind(HttpRetryHandler.class).annotatedWith(ClientError.class).to(AtmosStorageClientErrorRetryHandler.class);
   }

}