public static String getSideJarFileDirPath(String pluginType, String sideOperator, String tableType, String sqlRootDir, String pluginLoadMode) throws MalformedURLException {
        String dirName = sqlRootDir + SP + pluginType + sideOperator + tableType.toLowerCase();

        checkJarFileDirPath(sqlRootDir, dirName, pluginLoadMode);

        return dirName;
    }
Reason:
Date: 2018/6/27
Company: www.dtstack.com
@author xuchao
core/src/main/java/com/dtstack/flink/sql/util/PluginUtil.java