content: /**
   * Copyright (C) 2024 AIDC-AI
   *
   * 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.langengine.core.util;
  
  import lombok.extern.slf4j.Slf4j;
  
  import java.util.PropertyResourceBundle;
  import java.util.ResourceBundle;
  
  /**
   * Properties辅助工具
   *
   * @author xiaoxuan.lp
   */
  @Slf4j
  public class PropertiesUtils {
  
      private ResourceBundle res;
  
      public PropertiesUtils(String bundleName) {
          try {
              res = ResourceBundle.getBundle(bundleName);
          } catch (Exception e) {
  //            log.warn(String.format("not load bundleName=%s", bundleName), e);
  //            throw new RuntimeException("The properties-file<" + bundleName + "> maybe not exist!", e);
          }
      }
  
      public String get(String key) {
          try {
              if(res == null) {
                  return null;
              }
              if(!res.containsKey(key)) {
                  return null;
              }
              String value = res.getString(key);
              return value;
          }
          catch (Exception e) {
              log.error(String.format("get key=%s error", key), e);
              return null;
          }
      }
  
      public PropertyResourceBundle getBundle() {
          return (PropertyResourceBundle) res;
      }
  }
  