| /* |
| * 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.kinesis; |
| |
| import com.amazonaws.ClientConfiguration; |
| import com.amazonaws.auth.AWSCredentials; |
| import com.amazonaws.auth.AWSCredentialsProvider; |
| import com.amazonaws.auth.AWSStaticCredentialsProvider; |
| import com.amazonaws.auth.BasicAWSCredentials; |
| import com.amazonaws.regions.Regions; |
| import com.amazonaws.services.kinesis.AmazonKinesis; |
| import com.amazonaws.services.kinesis.AmazonKinesisClientBuilder; |
| import com.amazonaws.services.kinesis.model.Record; |
| import com.amazonaws.services.kinesis.model.ShardIteratorType; |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Exchange; |
| 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.ScheduledPollEndpoint; |
| import org.apache.camel.util.ObjectHelper; |
| |
| /** |
| * The aws-kinesis component is for consuming and producing records from Amazon |
| * Kinesis Streams. |
| */ |
| @UriEndpoint(firstVersion = "2.17.0", scheme = "aws-kinesis", title = "AWS Kinesis", syntax = "aws-kinesis:streamName", label = "cloud,messaging") |
| public class KinesisEndpoint extends ScheduledPollEndpoint { |
| |
| @UriParam |
| private KinesisConfiguration configuration; |
| |
| private AmazonKinesis kinesisClient; |
| |
| public KinesisEndpoint(String uri, KinesisConfiguration configuration, KinesisComponent component) { |
| super(uri, component); |
| this.configuration = configuration; |
| } |
| |
| @Override |
| protected void doStart() throws Exception { |
| super.doStart(); |
| kinesisClient = configuration.getAmazonKinesisClient() != null ? configuration.getAmazonKinesisClient() |
| : createKinesisClient(); |
| |
| |
| if ((configuration.getIteratorType().equals(ShardIteratorType.AFTER_SEQUENCE_NUMBER) || configuration.getIteratorType().equals(ShardIteratorType.AT_SEQUENCE_NUMBER)) |
| && configuration.getSequenceNumber().isEmpty()) { |
| throw new IllegalArgumentException("Sequence Number must be specified with iterator Types AFTER_SEQUENCE_NUMBER or AT_SEQUENCE_NUMBER"); |
| } |
| } |
| |
| @Override |
| public void doStop() throws Exception { |
| if (ObjectHelper.isEmpty(configuration.getAmazonKinesisClient())) { |
| if (kinesisClient != null) { |
| kinesisClient.shutdown(); |
| } |
| } |
| super.doStop(); |
| } |
| |
| @Override |
| public Producer createProducer() throws Exception { |
| return new KinesisProducer(this); |
| } |
| |
| @Override |
| public Consumer createConsumer(Processor processor) throws Exception { |
| final KinesisConsumer consumer = new KinesisConsumer(this, processor); |
| consumer.setSchedulerProperties(getSchedulerProperties()); |
| configureConsumer(consumer); |
| return consumer; |
| } |
| |
| public Exchange createExchange(Record record) { |
| Exchange exchange = super.createExchange(); |
| exchange.getIn().setBody(record); |
| exchange.getIn().setHeader(KinesisConstants.APPROX_ARRIVAL_TIME, record.getApproximateArrivalTimestamp()); |
| exchange.getIn().setHeader(KinesisConstants.PARTITION_KEY, record.getPartitionKey()); |
| exchange.getIn().setHeader(KinesisConstants.SEQUENCE_NUMBER, record.getSequenceNumber()); |
| return exchange; |
| } |
| |
| public AmazonKinesis getClient() { |
| return kinesisClient; |
| } |
| |
| public KinesisConfiguration getConfiguration() { |
| return configuration; |
| } |
| |
| AmazonKinesis createKinesisClient() { |
| AmazonKinesis client = null; |
| ClientConfiguration clientConfiguration = null; |
| AmazonKinesisClientBuilder clientBuilder = null; |
| boolean isClientConfigFound = false; |
| if (ObjectHelper.isNotEmpty(configuration.getProxyHost()) && ObjectHelper.isNotEmpty(configuration.getProxyPort())) { |
| clientConfiguration = new ClientConfiguration(); |
| clientConfiguration.setProxyProtocol(configuration.getProxyProtocol()); |
| clientConfiguration.setProxyHost(configuration.getProxyHost()); |
| clientConfiguration.setProxyPort(configuration.getProxyPort()); |
| isClientConfigFound = true; |
| } |
| if (configuration.getAccessKey() != null && configuration.getSecretKey() != null) { |
| AWSCredentials credentials = new BasicAWSCredentials(configuration.getAccessKey(), configuration.getSecretKey()); |
| AWSCredentialsProvider credentialsProvider = new AWSStaticCredentialsProvider(credentials); |
| if (isClientConfigFound) { |
| clientBuilder = AmazonKinesisClientBuilder.standard().withClientConfiguration(clientConfiguration).withCredentials(credentialsProvider); |
| } else { |
| clientBuilder = AmazonKinesisClientBuilder.standard().withCredentials(credentialsProvider); |
| } |
| } else { |
| if (isClientConfigFound) { |
| clientBuilder = AmazonKinesisClientBuilder.standard(); |
| } else { |
| clientBuilder = AmazonKinesisClientBuilder.standard().withClientConfiguration(clientConfiguration); |
| } |
| } |
| if (ObjectHelper.isNotEmpty(configuration.getRegion())) { |
| clientBuilder = clientBuilder.withRegion(Regions.valueOf(configuration.getRegion())); |
| } |
| client = clientBuilder.build(); |
| return client; |
| } |
| } |