Line data    Source code

       1             : // Copyright (C) 2017 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.api;
      16             : 
      17             : import com.google.common.base.Throwables;
      18             : import com.google.gerrit.extensions.restapi.RestApiException;
      19             : 
      20             : /** Static utilities for API implementations. */
      21             : public class ApiUtil {
      22             :   /**
      23             :    * Convert an exception encountered during API execution to a {@link RestApiException}.
      24             :    *
      25             :    * @param msg message to be used in the case where a new {@code RestApiException} is wrapped
      26             :    *     around {@code e}.
      27             :    * @param e exception being handled.
      28             :    * @return {@code e} if it is already a {@code RestApiException}, otherwise a new {@code
      29             :    *     RestApiException} wrapped around {@code e}.
      30             :    * @throws RuntimeException if {@code e} is a runtime exception, it is rethrown as-is.
      31             :    */
      32             :   public static RestApiException asRestApiException(String msg, Exception e)
      33             :       throws RuntimeException {
      34          69 :     Throwables.throwIfUnchecked(e);
      35          69 :     return e instanceof RestApiException ? (RestApiException) e : RestApiException.wrap(msg, e);
      36             :   }
      37             : 
      38             :   private ApiUtil() {}
      39             : }