content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.nacos.common.util;
  
  import java.io.InputStream;
  import java.util.Properties;
  
  /**
   * @author xingxuechao
   * on:2019/2/27 12:32 PM
   */
  public class VersionUtils {
  
      public static String VERSION;
      /**
       * 获取当前version
       */
      public static final String VERSION_DEFAULT = "${project.version}";
  
  
      static {
          InputStream in = null;
          try {
              in = VersionUtils.class.getClassLoader()
                  .getResourceAsStream("nacos-version.txt");
              Properties props = new Properties();
              props.load(in);
              String val = props.getProperty("version");
              if (val != null && !VERSION_DEFAULT.equals(val)) {
                  VERSION = val;
              }
          } catch (Exception e) {
              e.printStackTrace();
          } finally {
              try {
                  if (in != null) {
                      in.close();
                  }
              } catch (Exception e) {
                  e.printStackTrace();
              }
          }
      }
  }
  