61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package gologger
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import (
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"fmt"
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)
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// ConsoleAppender implements the LoggerAppender interface for console output.
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// It uses color-coded templates for different log levels.
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// Example:
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// appender := &ConsoleAppender{
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// formatter: NewSimpleFormatter(),
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// }
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// appender.Append(event)
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// appender.Close()
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type ConsoleAppender struct {
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formatter LogFormatter
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}
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const (
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ErrorTemplate = "\033[1;31m%s\033[0m"
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WarnTemplate = "\033[1;33m%s\033[0m"
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InfoTemplate = "\033[1;32m%s\033[0m"
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DebugTemplate = "\033[1;34m%s\033[0m"
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TraceTemplate = "\033[1;35m%s\033[0m"
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)
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// Close implements LoggerAppender.
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func (c *ConsoleAppender) Close() {
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}
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func (c *ConsoleAppender) GetName() string {
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return "console"
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}
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func (c *ConsoleAppender) Append(logEvent LogEvent) {
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logMsg := c.formatter(logEvent)
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switch logEvent.Level {
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case Error:
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fmt.Printf(ErrorTemplate, logMsg)
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case Warn:
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fmt.Printf(WarnTemplate, logMsg)
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case Info:
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fmt.Printf(InfoTemplate, logMsg)
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case Debug:
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fmt.Printf(DebugTemplate, logMsg)
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case Trace:
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fmt.Printf(TraceTemplate, logMsg)
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}
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}
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func makeConsoleAppender(appenderConfig LogAppenderConfig) *LoggerAppender {
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consoleAppender := &ConsoleAppender{}
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consoleAppender.formatter = SelectFormatter(appenderConfig.Formatter)
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var appender LoggerAppender = consoleAppender
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return &appender
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}
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func init() {
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RegistAppender("console", makeConsoleAppender)
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}
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