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64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
/*
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Copyright (c) 2016 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package log
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import (
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"fmt"
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"time"
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)
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var defaultTimeFormat = time.RFC3339 // 2006-01-02T15:04:05Z07:00
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// TextFormatter represents a kind of formatter that formats the logs as plain text
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type TextFormatter struct {
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timeFormat string
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}
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// NewTextFormatter returns a TextFormatter, the format of time is time.RFC3339
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func NewTextFormatter() *TextFormatter {
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return &TextFormatter{
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timeFormat: defaultTimeFormat,
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}
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}
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// Format formats the logs as "time [level] line message"
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func (t *TextFormatter) Format(r *Record) (b []byte, err error) {
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s := fmt.Sprintf("%s [%s] ", r.Time.Format(t.timeFormat), r.Lvl.string())
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if len(r.Line) != 0 {
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s = s + r.Line + " "
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}
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if len(r.Msg) != 0 {
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s = s + r.Msg
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}
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b = []byte(s)
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if len(b) == 0 || b[len(b)-1] != '\n' {
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b = append(b, '\n')
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}
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return
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}
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// SetTimeFormat sets time format of TextFormatter if the parameter fmt is not null
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func (t *TextFormatter) SetTimeFormat(fmt string) {
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if len(fmt) != 0 {
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t.timeFormat = fmt
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}
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}
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