login system abstraction

logger/log.go

@@ -0,0 +1,65 @@
+// Copyright 2012-2014 Apcera Inc. All rights reserved.
+package logger
+
+import (
+	"log"
+	"os"
+)
+
+type Logger struct {
+	logger *log.Logger
+	debug  bool
+	trace  bool
+}
+
+func NewStdLogger(time, debug, trace bool) *Logger {
+	flags := 0
+	if time {
+		flags = log.LstdFlags
+	}
+
+	return &Logger{
+		logger: log.New(os.Stderr, "", flags),
+		debug:  debug,
+		trace:  trace,
+	}
+}
+
+func NewFileLogger(filename string, time, debug, trace bool) *Logger {
+	fileflags := os.O_WRONLY | os.O_APPEND | os.O_CREATE
+	f, err := os.OpenFile(filename, fileflags, 0660)
+	if err != nil {
+		log.Fatal("error opening file: %v", err)
+	}
+
+	flags := 0
+	if time {
+		flags = log.LstdFlags
+	}
+
+	return &Logger{
+		logger: log.New(f, "", flags),
+		debug:  debug,
+		trace:  trace,
+	}
+}
+
+func (l *Logger) Log(format string, v ...interface{}) {
+	l.logger.Printf(format, v...)
+}
+
+func (l *Logger) Fatal(format string, v ...interface{}) {
+	l.logger.Fatalf(format, v)
+}
+
+func (l *Logger) Debug(format string, v ...interface{}) {
+	if l.debug == true {
+		l.Log(format, v...)
+	}
+}
+
+func (l *Logger) Trace(format string, v ...interface{}) {
+	if l.trace == true {
+		l.Log(format, v...)
+	}
+}