| /* |
| * 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.camel.component.aws.lambda; |
| |
| import com.amazonaws.ClientConfiguration; |
| import com.amazonaws.auth.AWSCredentials; |
| import com.amazonaws.auth.AWSStaticCredentialsProvider; |
| import com.amazonaws.auth.BasicAWSCredentials; |
| import com.amazonaws.regions.Regions; |
| import com.amazonaws.services.lambda.AWSLambda; |
| import com.amazonaws.services.lambda.AWSLambdaClientBuilder; |
| import org.apache.camel.Component; |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Producer; |
| import org.apache.camel.spi.UriEndpoint; |
| import org.apache.camel.spi.UriParam; |
| import org.apache.camel.support.DefaultEndpoint; |
| import org.apache.camel.util.ObjectHelper; |
| |
| /** |
| * The aws-lambda is used for managing and invoking functions from Amazon Lambda. |
| */ |
| @UriEndpoint(firstVersion = "2.20.0", scheme = "aws-lambda", title = "AWS Lambda", |
| syntax = "aws-lambda:function", producerOnly = true, label = "cloud,computing,serverless") |
| public class LambdaEndpoint extends DefaultEndpoint { |
| |
| private AWSLambda awsLambdaClient; |
| |
| @UriParam |
| private LambdaConfiguration configuration; |
| |
| public LambdaEndpoint(String uri, Component component, LambdaConfiguration configuration) { |
| super(uri, component); |
| this.configuration = configuration; |
| } |
| |
| @Override |
| public Consumer createConsumer(Processor processor) throws Exception { |
| throw new UnsupportedOperationException("You cannot receive messages from this endpoint"); |
| } |
| |
| @Override |
| public Producer createProducer() throws Exception { |
| return new LambdaProducer(this); |
| } |
| |
| @Override |
| public void doStart() throws Exception { |
| super.doStart(); |
| awsLambdaClient = configuration.getAwsLambdaClient() != null ? configuration.getAwsLambdaClient() : createLambdaClient(); |
| } |
| |
| @Override |
| public void doStop() throws Exception { |
| if (ObjectHelper.isEmpty(configuration.getAwsLambdaClient())) { |
| if (awsLambdaClient != null) { |
| awsLambdaClient.shutdown(); |
| } |
| } |
| super.doStop(); |
| } |
| |
| public LambdaConfiguration getConfiguration() { |
| return configuration; |
| } |
| |
| public AWSLambda getAwsLambdaClient() { |
| return awsLambdaClient; |
| } |
| |
| AWSLambda createLambdaClient() { |
| AWSLambdaClientBuilder builder = AWSLambdaClientBuilder.standard(); |
| |
| if (ObjectHelper.isNotEmpty(configuration.getProxyHost()) && ObjectHelper.isNotEmpty(configuration.getProxyPort())) { |
| ClientConfiguration clientConfiguration = new ClientConfiguration(); |
| clientConfiguration.setProxyProtocol(configuration.getProxyProtocol()); |
| clientConfiguration.setProxyHost(configuration.getProxyHost()); |
| clientConfiguration.setProxyPort(configuration.getProxyPort()); |
| builder = builder.withClientConfiguration(clientConfiguration); |
| } |
| |
| if (ObjectHelper.isNotEmpty(configuration.getRegion())) { |
| builder = builder.withRegion(Regions.valueOf(configuration.getRegion())); |
| } |
| |
| if (configuration.getAccessKey() != null && configuration.getSecretKey() != null) { |
| AWSCredentials credentials = new BasicAWSCredentials(configuration.getAccessKey(), configuration.getSecretKey()); |
| builder = builder.withCredentials(new AWSStaticCredentialsProvider(credentials)); |
| } |
| |
| return builder.build(); |
| } |
| } |