com.blackberry.testutil.LocalKafkaServer.java Source code

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Here is the source code for com.blackberry.testutil.LocalKafkaServer.java

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/**
 * Copyright 2014 BlackBerry, Limited.
 *
 * 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.blackberry.testutil;

import java.io.File;
import java.io.IOException;
import java.util.Properties;

import kafka.admin.TopicCommand;
import kafka.server.KafkaConfig;
import kafka.server.KafkaServerStartable;
import kafka.admin.TopicCommand.*;
import org.apache.kafka.common.security.JaasUtils;
import kafka.utils.ZkUtils;
import org.apache.commons.io.FileUtils;

public class LocalKafkaServer {

    private String nodeId = "0";
    private String port = "9876";
    private String logDir = FileUtils.getTempDirectoryPath() + "/kafka.log";
    private String zkConnect = "localhost:21818";
    private KafkaServerStartable server;
    private ZkUtils zkUtils;

    public LocalKafkaServer() throws IOException {

        while (new File(logDir).exists()) {
            FileUtils.deleteDirectory(new File(logDir));
        }

        Properties props = new Properties();
        props.put("broker.id", nodeId);
        props.put("port", port);
        props.put("log.dir", logDir);
        props.put("zookeeper.connect", zkConnect);
        props.put("host.name", "127.0.0.1");
        KafkaConfig conf = new KafkaConfig(props);

        zkUtils = ZkUtils.apply(props.getProperty("zookeeper.connect"), 30000, 30000,
                JaasUtils.isZkSecurityEnabled());

        server = new KafkaServerStartable(conf);
        server.startup();
    }

    public void shutdown() throws IOException {
        server.shutdown();
        server.awaitShutdown();
        FileUtils.deleteDirectory(new File(logDir));
    }

    public void createTopic(String topic) {
        TopicCommandOptions createOpts = new TopicCommandOptions(new String[] { "--create", "--zookeeper",
                "localhost:21818", "--replication-factor", "1", "--partition", "1", "--topic", topic });
        TopicCommand.createTopic(zkUtils, createOpts);
    }

}