io.radiowitness.kinesis.consumer.KclConfigFactory.java Source code

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Here is the source code for io.radiowitness.kinesis.consumer.KclConfigFactory.java

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/*
 * Copyright (C) 2016 An Honest Effort LLC.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package io.radiowitness.kinesis.consumer;

import com.amazonaws.ClientConfiguration;
import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.internal.StaticCredentialsProvider;
import com.amazonaws.services.kinesis.clientlibrary.lib.worker.KinesisClientLibConfiguration;

import java.util.UUID;

public class KclConfigFactory {

    private final KinesisConsumerConfig config;

    public KclConfigFactory(KinesisConsumerConfig config) {
        this.config = config;
    }

    private AWSCredentialsProvider credentials() {
        return new StaticCredentialsProvider(
                new BasicAWSCredentials(config.getAccessKeyId(), config.getSecretKey()));
    }

    private String userAgent() {
        StringBuilder userAgent = new StringBuilder(ClientConfiguration.DEFAULT_USER_AGENT);

        userAgent.append(" ");
        userAgent.append(config.getAppName());
        userAgent.append(" ");
        userAgent.append(config.getAppVersion());

        return userAgent.toString();
    }

    public KinesisClientLibConfiguration create() {
        return new KinesisClientLibConfiguration(config.getAppName(), config.getStreamName(), credentials(),
                UUID.randomUUID().toString()).withRegionName(config.getRegion().getName())
                        .withUserAgent(userAgent()).withIdleTimeBetweenReadsInMillis(config.getReadIntervalMs())
                        .withValidateSequenceNumberBeforeCheckpointing(false);
    }

}