com.dasasian.chok.util.ZkChokUtil Maven / Gradle / Ivy

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/**
 * Copyright (C) 2014 Dasasian ([email protected])
 *
 * 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.dasasian.chok.util;

import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
import com.google.common.net.HostAndPort;
import org.I0Itec.zkclient.ZkClient;
import org.I0Itec.zkclient.ZkServer;

public class ZkChokUtil {

    public static final Splitter COMMA_SPLITTER = Splitter.on(",");

    public static ZkClient startZkClient(ZkConfiguration conf, int connectionTimeout) {
        return new ZkClient(conf.getServers(), conf.getTimeOut(), connectionTimeout);
    }

    public static ZkServer startZkServer(ZkConfiguration conf) {
        String server = Iterables.getOnlyElement(COMMA_SPLITTER.split(conf.getServers()));
        HostAndPort hostAndPort = HostAndPort.fromString(server);
        if (!hostAndPort.hasPort()) {
            throw new IllegalArgumentException("No Port Specified for ZkServer");
        } else {
            String host = hostAndPort.getHostText();
//            if (!host.equals("127.0.0.1") && !host.equals("localhost")) {
//                throw new IllegalArgumentException("Attempting to start ZkServer remotely on " + host + " valid values are 127.0.0.1 or localhost");
//            }
        }
        ZkServer zkServer = new ZkServer(conf.getDataDir(), conf.getLogDataDir(), new DefaultNameSpaceImpl(conf), hostAndPort.getPort(), conf.getTickTime());
        zkServer.start();
        return zkServer;
    }
}