content: /*
   * Copyright 1999-2017 Alibaba Group.
   *
   * 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.p3c.pmd.lang.java.util.namelist;
  
  import com.alibaba.p3c.pmd.lang.java.util.SpiLoader;
  
  /**
   * @author changle.lq
   * @date 2017/03/27
   */
  public class NameListConfig {
      public static final NameListService NAME_LIST_SERVICE = getNameListService();
  
      private static NameListService getNameListService() {
          NameListService instance  = SpiLoader.getInstance(NameListService.class);
          if (instance == null) {
              instance = new NameListServiceImpl();
          }
          return instance;
      }
  }
  