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.config.server.utils;
  
  /**
   * 用来处理协议相关的操作
   *
   * @author zhidao
   * @version 1.0 2011/05/03
   */
  public class Protocol {
      /**
       * 解析类于2.0.4(major.minor.bug-fix这样的版本为数字)
       *
       * @param version
       * @return
       */
      public static int getVersionNumber(String version) {
          if (version == null) {
              return -1;
          }
          String[] vs = version.split("\\.");
          int sum = 0;
          for (int i = 0; i < vs.length; i++) {
              try {
                  sum = sum * 10 + Integer.parseInt(vs[i]);
              } catch (Exception e) {
                  // ignore
              }
          }
          return sum;
      }
  }
  