| /* |
| 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 logger |
| |
| import ( |
| "io" |
| "os" |
| "path/filepath" |
| ) |
| |
| func GetFileStream(path string) (io.Writer, error) { |
| if path == "" { |
| return os.Stdout, nil |
| } |
| err := os.MkdirAll(filepath.Dir(path), os.ModePerm) |
| if err != nil { |
| return nil, err |
| } |
| file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0777) |
| if err != nil { |
| return nil, err |
| } |
| return io.MultiWriter(os.Stdout, file), nil |
| } |