content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.bifromq.baserpc.client.exception;
  
  import io.grpc.Status;
  import io.grpc.StatusRuntimeException;
  
  public class ExceptionUtil {
      public static final Status SERVER_NOT_FOUND =
          Status.UNAVAILABLE.withDescription("direct targeted server not found");
      public static final Status SERVER_UNREACHABLE =
          Status.UNAVAILABLE.withDescription("server is unreachable now");
  
      public static Throwable toConcreteException(Throwable throwable) {
          if (throwable instanceof StatusRuntimeException statusRuntimeException) {
              if (statusRuntimeException.getStatus().equals(SERVER_NOT_FOUND)) {
                  return new ServerNotFoundException(throwable);
              }
              if (statusRuntimeException.getStatus().equals(SERVER_UNREACHABLE)) {
                  return new ServerNotFoundException(throwable);
              }
              if (statusRuntimeException.getStatus().equals(Status.CANCELLED)) {
                  return new RequestCanceledException(throwable);
              }
          }
          return throwable;
      }
  }
  