github.com/mre-fog/trillianxx@v1.1.2-0.20180615153820-ae375a99d36a/server/errors/errors.go (about) 1 // Copyright 2017 Google Inc. All Rights Reserved. 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 errors 16 17 import ( 18 "database/sql" 19 20 "google.golang.org/grpc/codes" 21 "google.golang.org/grpc/status" 22 ) 23 24 // WrapError wraps err as a gRPC error if err is a well-known error instance 25 // (such as canonical SQL errors), else err is returned unmodified. 26 func WrapError(err error) error { 27 if err == sql.ErrNoRows { 28 return status.Errorf(codes.NotFound, err.Error()) 29 } 30 31 return err 32 }