1// Copyright (c) 2012 - Cloud Instruments Co., Ltd. 2// 3// All rights reserved. 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions are met: 7// 8// 1. Redistributions of source code must retain the above copyright notice, this 9// list of conditions and the following disclaimer. 10// 2. Redistributions in binary form must reproduce the above copyright notice, 11// this list of conditions and the following disclaimer in the documentation 12// and/or other materials provided with the distribution. 13// 14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 15// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 18// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 25package seelog 26 27import ( 28 "errors" 29 "fmt" 30 "io" 31) 32 33type formattedWriter struct { 34 writer io.Writer 35 formatter *formatter 36} 37 38func NewFormattedWriter(writer io.Writer, formatter *formatter) (*formattedWriter, error) { 39 if formatter == nil { 40 return nil, errors.New("formatter can not be nil") 41 } 42 43 return &formattedWriter{writer, formatter}, nil 44} 45 46func (formattedWriter *formattedWriter) Write(message string, level LogLevel, context LogContextInterface) error { 47 str := formattedWriter.formatter.Format(message, level, context) 48 _, err := formattedWriter.writer.Write([]byte(str)) 49 return err 50} 51 52func (formattedWriter *formattedWriter) String() string { 53 return fmt.Sprintf("writer: %s, format: %s", formattedWriter.writer, formattedWriter.formatter) 54} 55 56func (formattedWriter *formattedWriter) Writer() io.Writer { 57 return formattedWriter.writer 58} 59 60func (formattedWriter *formattedWriter) Format() *formatter { 61 return formattedWriter.formatter 62} 63