[GitHub] [dubbo] AlbumenJ commented on issue #10314: 怎么对 Dubbo的业务异常进行统一封装

[GitBox <gi...@apache.org>]

AlbumenJ commented on issue #10314:
URL: https://github.com/apache/dubbo/issues/10314#issuecomment-1183013779

   You can try this.
   
   ```
   @Activate(group = CommonConstants.PROVIDER)
   public class ResultConvertFilter implements Filter, BaseFilter.Listener {
       @Override
       public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
           return invoker.invoke(invocation);
       }
   
       @Override
       public void onResponse(Result appResponse, Invoker<?> invoker, Invocation invocation) {
           if (appResponse.hasException()) {
               // reset value
               appResponse.setValue(new Object());
               appResponse.setException(null);
           } else {
               Object originValue = appResponse.getValue();
               if (originValue instanceof Exception) {
                   // reset value
                   appResponse.setValue(new Object());
               }
           }
       }
   
       @Override
       public void onError(Throwable t, Invoker<?> invoker, Invocation invocation) {
           // framework error, can be ignore
       }
   }
   ```


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