/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2019 Code Technology Studio
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.dromara.jpom.transport;

import cn.hutool.core.lang.Singleton;
import cn.hutool.core.util.ServiceLoaderUtil;
import lombok.extern.slf4j.Slf4j;

/**
 * @author bwcx_jzy
 * @since 2022/12/23
 */
@Slf4j
public class TransportServerFactory {

    /**
     * 获得单例的 TransportServer
     *
     * @return 单例的 TransportServer
     */
    public static TransportServer get() {
        return Singleton.get(TransportServer.class.getName(), TransportServerFactory::doCreate);
    }

    /**
     * 根据用户引入的 Transport 客户端引擎jar，自动创建对应的拼音引擎对象<br>
     * 推荐创建的引擎单例使用，此方法每次调用会返回新的引擎
     *
     * @return {@code TransportServer}
     */
    public static TransportServer of() {
        final TransportServer transportServer = doCreate();
        log.debug("Use [{}] Agent Transport As Default.", transportServer.getClass().getSimpleName());
        return transportServer;
    }


    /**
     * 根据用户引入的拼音引擎jar，自动创建对应的拼音引擎对象<br>
     * 推荐创建的引擎单例使用，此方法每次调用会返回新的引擎
     *
     * @return {@code EngineFactory}
     */
    private static TransportServer doCreate() {
        final TransportServer engine = ServiceLoaderUtil.loadFirstAvailable(TransportServer.class);
        if (null != engine) {
            return engine;
        }

        throw new RuntimeException("No jpom agent transport jar found ! Please add one of it to your project !");
    }
}
