5 "github.com/revel/log15"
10 // This type implements the MultiLogger
11 type RevelLogger struct {
15 // Set the systems default logger
16 // Default logs will be captured and handled by revel at level info
17 func SetDefaultLog(fromLog MultiLogger) {
18 log.SetOutput(loggerRewrite{Logger: fromLog, Level: log15.LvlInfo, hideDeprecated: true})
19 // No need to show date and time, that will be logged with revel
23 func (rl *RevelLogger) Debugf(msg string, param ...interface{}) {
24 rl.Debug(fmt.Sprintf(msg, param...))
27 // Print a formatted info message
28 func (rl *RevelLogger) Infof(msg string, param ...interface{}) {
29 rl.Info(fmt.Sprintf(msg, param...))
32 // Print a formatted warn message
33 func (rl *RevelLogger) Warnf(msg string, param ...interface{}) {
34 rl.Warn(fmt.Sprintf(msg, param...))
37 // Print a formatted error message
38 func (rl *RevelLogger) Errorf(msg string, param ...interface{}) {
39 rl.Error(fmt.Sprintf(msg, param...))
42 // Print a formatted critical message
43 func (rl *RevelLogger) Critf(msg string, param ...interface{}) {
44 rl.Crit(fmt.Sprintf(msg, param...))
47 // Print a formatted fatal message
48 func (rl *RevelLogger) Fatalf(msg string, param ...interface{}) {
49 rl.Fatal(fmt.Sprintf(msg, param...))
52 // Print a formatted panic message
53 func (rl *RevelLogger) Panicf(msg string, param ...interface{}) {
54 rl.Panic(fmt.Sprintf(msg, param...))
57 // Print a critical message and call os.Exit(1)
58 func (rl *RevelLogger) Fatal(msg string, ctx ...interface{}) {
63 // Print a critical message and panic
64 func (rl *RevelLogger) Panic(msg string, ctx ...interface{}) {
69 // Override log15 method
70 func (rl *RevelLogger) New(ctx ...interface{}) MultiLogger {
71 old := &RevelLogger{Logger: rl.Logger.New(ctx...)}
75 // Set the stack level to check for the caller
76 func (rl *RevelLogger) SetStackDepth(amount int) MultiLogger {
77 rl.Logger.SetStackDepth(amount) // Ignore the logger returned
81 // Create a new logger
82 func New(ctx ...interface{}) MultiLogger {
83 r := &RevelLogger{Logger: log15.New(ctx...)}
88 // Set the handler in the Logger
89 func (rl *RevelLogger) SetHandler(h LogHandler) {
90 rl.Logger.SetHandler(callHandler(h.Log))
93 // The function wrapper to implement the callback
94 type callHandler func(r *Record) error
96 // Log implementation, reads the record and extracts the details from the log record
97 // Hiding the implementation.
98 func (c callHandler) Log(log *log15.Record) error {
100 var ctxMap ContextMap
102 ctxMap = make(ContextMap, len(ctx)/2)
104 for i := 0; i < len(ctx); i += 2 {
106 key, ok := v.(string)
108 key = fmt.Sprintf("LOGGER_INVALID_KEY %v", v)
110 var value interface{}
114 value = "LOGGER_VALUE_MISSING"
119 ctxMap = make(ContextMap, 0)
121 r := &Record{Message: log.Msg, Context: ctxMap, Time: log.Time, Level: LogLevel(log.Lvl), Call: CallStack(log.Call)}
125 // Internally used contextMap, allows conversion of map to map[string]string
126 type ContextMap map[string]interface{}
128 // Convert the context map to be string only values, any non string values are ignored
129 func (m ContextMap) StringMap() (newMap map[string]string) {
131 newMap = map[string]string{}
132 for key, value := range m {
133 if svalue, isstring := value.(string); isstring {
140 func (m ContextMap) Add(key string, value interface{}) {