content: /*
   * Copyright 2020 Alibaba Group Holding 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.alibaba.graphscope.common.config;
  
  import com.google.common.collect.Lists;
  
  import org.apache.commons.lang3.StringUtils;
  
  import java.util.List;
  
  public class Utils {
      // convert from 'a,b,c' to list type: [a, b, c]
      public static List<String> convertDotString(String dotString) {
          String[] stringArray = dotString.split(",");
          List<String> stringList = Lists.newArrayList();
          if (stringArray != null && stringArray.length > 0) {
              for (String str : stringArray) {
                  String trim = str.trim();
                  if (!StringUtils.isEmpty(trim)) {
                      stringList.add(trim);
                  }
              }
          }
          return stringList;
      }
  }
  