Java tutorial
/* * Copyright 2011 Proofpoint, 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.proofpoint.event.monitor; import com.amazonaws.auth.AWSCredentials; import com.amazonaws.auth.BasicAWSCredentials; import com.amazonaws.services.cloudwatch.AmazonCloudWatch; import com.amazonaws.services.cloudwatch.AmazonCloudWatchClient; import com.amazonaws.services.simpleemail.AmazonSimpleEmailService; import com.amazonaws.services.simpleemail.AmazonSimpleEmailServiceClient; import com.google.inject.Binder; import com.google.inject.Module; import com.google.inject.Provides; import com.google.inject.Scopes; import javax.inject.Singleton; import static com.proofpoint.configuration.ConfigurationModule.bindConfig; public class AmazonModule implements Module { public void configure(Binder binder) { binder.requireExplicitBindings(); binder.disableCircularProxies(); binder.bind(Alerter.class).to(AmazonEmailAlerter.class).in(Scopes.SINGLETON); bindConfig(binder).to(AmazonConfig.class); binder.bind(CloudWatchUpdater.class).in(Scopes.SINGLETON); } @Provides @Singleton private AmazonSimpleEmailService provideAmazonS3(AWSCredentials credentials) { return new AmazonSimpleEmailServiceClient(credentials); } @Provides @Singleton private AmazonCloudWatch provideAmazonCloudWatch(AWSCredentials credentials) { return new AmazonCloudWatchClient(credentials); } @Provides @Singleton private AWSCredentials provideProviderCredentials(AmazonConfig config) { if (!config.isAlertingEnabled()) { return new BasicAWSCredentials("", ""); } return new BasicAWSCredentials(config.getAwsAccessKey(), config.getAwsSecretKey()); } }