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.csp.sentinel.dashboard.util;
  
  import java.util.Optional;
  
  import com.alibaba.csp.sentinel.util.StringUtil;
  import com.alibaba.csp.sentinel.util.function.Tuple2;
  
  /**
   * @author Eric Zhao
   */
  public final class MachineUtils {
  
      public static Optional<Integer> parseCommandPort(String machineIp) {
          try {
              if (!machineIp.contains("@")) {
                  return Optional.empty();
              }
              String[] str = machineIp.split("@");
              if (str.length <= 1) {
                  return Optional.empty();
              }
              return Optional.of(Integer.parseInt(str[1]));
          } catch (Exception ex) {
              return Optional.empty();
          }
      }
  
      public static Optional<Tuple2<String, Integer>> parseCommandIpAndPort(String machineIp) {
          try {
              if (StringUtil.isEmpty(machineIp) || !machineIp.contains("@")) {
                  return Optional.empty();
              }
              String[] str = machineIp.split("@");
              if (str.length <= 1) {
                  return Optional.empty();
              }
              return Optional.of(Tuple2.of(str[0], Integer.parseInt(str[1])));
          } catch (Exception ex) {
              return Optional.empty();
          }
      }
  
      private MachineUtils() {}
  }
  