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