content: package com.ruoyi.common.utils.security;
  
  import java.beans.BeanInfo;
  import java.beans.Introspector;
  import java.beans.PropertyDescriptor;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.shiro.SecurityUtils;
  import org.apache.shiro.subject.Subject;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import com.ruoyi.common.constant.PermissionConstants;
  import com.ruoyi.common.utils.MessageUtils;
  
  /**
   * permission 工具类
   * 
   * @author ruoyi
   */
  public class PermissionUtils
  {
      private static final Logger log = LoggerFactory.getLogger(PermissionUtils.class);
  
      /**
       * 查看数据的权限
       */
      public static final String VIEW_PERMISSION = "no.view.permission";
  
      /**
       * 创建数据的权限
       */
      public static final String CREATE_PERMISSION = "no.create.permission";
  
      /**
       * 修改数据的权限
       */
      public static final String UPDATE_PERMISSION = "no.update.permission";
  
      /**
       * 删除数据的权限
       */
      public static final String DELETE_PERMISSION = "no.delete.permission";
  
      /**
       * 导出数据的权限
       */
      public static final String EXPORT_PERMISSION = "no.export.permission";
  
      /**
       * 其他数据的权限
       */
      public static final String PERMISSION = "no.permission";
  
      /**
       * 权限错误消息提醒
       * 
       * @param permissionsStr 错误信息
       * @return 提示信息
       */
      public static String getMsg(String permissionsStr)
      {
          String permission = StringUtils.substringBetween(permissionsStr, "[", "]");
          String msg = MessageUtils.message(PERMISSION, permission);
          if (StringUtils.endsWithIgnoreCase(permission, PermissionConstants.ADD_PERMISSION))
          {
              msg = MessageUtils.message(CREATE_PERMISSION, permission);
          }
          else if (StringUtils.endsWithIgnoreCase(permission, PermissionConstants.EDIT_PERMISSION))
          {
              msg = MessageUtils.message(UPDATE_PERMISSION, permission);
          }
          else if (StringUtils.endsWithIgnoreCase(permission, PermissionConstants.REMOVE_PERMISSION))
          {
              msg = MessageUtils.message(DELETE_PERMISSION, permission);
          }
          else if (StringUtils.endsWithIgnoreCase(permission, PermissionConstants.EXPORT_PERMISSION))
          {
              msg = MessageUtils.message(EXPORT_PERMISSION, permission);
          }
          else if (StringUtils.endsWithAny(permission,
                  new String[] { PermissionConstants.VIEW_PERMISSION, PermissionConstants.LIST_PERMISSION }))
          {
              msg = MessageUtils.message(VIEW_PERMISSION, permission);
          }
          return msg;
      }
  
      /**
       * 返回用户属性值
       *
       * @param property 属性名称
       * @return 用户属性值
       */
      public static Object getPrincipalProperty(String property)
      {
          Subject subject = SecurityUtils.getSubject();
          if (subject != null)
          {
              Object principal = subject.getPrincipal();
              try
              {
                  BeanInfo bi = Introspector.getBeanInfo(principal.getClass());
                  for (PropertyDescriptor pd : bi.getPropertyDescriptors())
                  {
                      if (pd.getName().equals(property) == true)
                      {
                          return pd.getReadMethod().invoke(principal, (Object[]) null);
                      }
                  }
              }
              catch (Exception e)
              {
                  log.error("Error reading property [{}] from principal of type [{}]", property,
                          principal.getClass().getName());
              }
          }
          return null;
      }
  }
  