content: package com.alibaba.otter.canal.common.utils;
  
  import com.alibaba.druid.filter.config.ConfigTools;
  
  import java.io.File;
  
  /**
   * 通用工具类
   *
   * @author rewerma 2019-01-25 下午05:20:16
   * @version 1.0.0
   */
  public class CommonUtils {
  
      /**
       * 获取conf文件夹所在路径
       *
       * @return 路径地址
       */
      public static String getConfPath() {
          String classpath = CommonUtils.class.getResource("/").getPath();
          String confPath = classpath + "../conf/";
          if (new File(confPath).exists()) {
              return confPath;
          } else {
              return classpath;
          }
      }
  
      /**
       * 删除文件夹
       *
       * @param dirFile 文件夹对象
       * @return 是否删除成功
       */
      public static boolean deleteDir(File dirFile) {
          if (!dirFile.exists()) {
              return false;
          }
  
          if (dirFile.isFile()) {
              return dirFile.delete();
          } else {
              File[] files = dirFile.listFiles();
              if (files == null || files.length == 0) {
                  return dirFile.delete();
              }
              for (File file : files) {
                  deleteDir(file);
              }
          }
  
          return dirFile.delete();
      }
  
      public static String decryptDruidPassword(String publicKeyText, String cipherText) throws Exception {
          return ConfigTools.decrypt(publicKeyText, cipherText);
      }
  }
  