Fixed #364 & #377

Signed-off-by: Vishal Rana <vr@labstack.com>

echo.go

@@ -60,28 +60,10 @@ type (
 		debug            bool
 		hook             http.HandlerFunc
 		autoIndex        bool
-		logger           Logger
+		logger           *log.Logger
 		router           *Router
 	}
 
-	// Logger is the interface that declares echo's logging system.
-	Logger interface {
-		Debug(...interface{})
-		Debugf(string, ...interface{})
-
-		Info(...interface{})
-		Infof(string, ...interface{})
-
-		Warn(...interface{})
-		Warnf(string, ...interface{})
-
-		Error(...interface{})
-		Errorf(string, ...interface{})
-
-		Fatal(...interface{})
-		Fatalf(string, ...interface{})
-	}
-
 	// Route contains a handler and information for matching against requests.
 	Route struct {
 		Method  string
@@ -242,6 +224,7 @@ func New() (e *Echo) {
 
 	// Logger
 	e.logger = log.New("echo")
+	e.SetLogLevel(log.FATAL)
 
 	return
 }
@@ -251,13 +234,23 @@ func (e *Echo) Router() *Router {
 	return e.router
 }
 
-// SetLogger sets the logger instance.
-func (e *Echo) SetLogger(logger Logger) {
-	e.logger = logger
+// SetLogPrefix sets the prefix for the logger. Default value is `echo`.
+func (e *Echo) SetLogPrefix(prefix string) {
+	e.logger.SetPrefix(prefix)
+}
+
+// SetLogOutput sets the output destination for the logger. Default value is `os.Std*`
+func (e *Echo) SetLogOutput(w io.Writer) {
+	e.logger.SetOutput(w)
+}
+
+// SetLogLevel sets the log level for the logger. Default value is `log.FATAL`.
+func (e *Echo) SetLogLevel(l log.Level) {
+	e.logger.SetLevel(l)
 }
 
 // Logger returns the logger instance.
-func (e *Echo) Logger() Logger {
+func (e *Echo) Logger() *log.Logger {
 	return e.logger
 }
 
@@ -275,7 +268,7 @@ func (e *Echo) DefaultHTTPErrorHandler(err error, c *Context) {
 	if !c.response.committed {
 		http.Error(c.response, msg, code)
 	}
-	e.logger.Error(err)
+	e.logger.Debug(err)
 }
 
 // SetHTTPErrorHandler registers a custom Echo.HTTPErrorHandler.
@@ -296,6 +289,7 @@ func (e *Echo) SetRenderer(r Renderer) {
 // SetDebug enable/disable debug mode.
 func (e *Echo) SetDebug(on bool) {
 	e.debug = on
+	e.SetLogLevel(log.FATAL)
 }
 
 // Debug returns debug mode (enabled or disabled).

website/content/guide/customization.md

@@ -41,13 +41,7 @@ SetLogOutput sets the output destination for the logger. Default value is `os.St
 
 `echo#SetLogLevel(l log.Level)`
 
-SetLogLevel sets the log level for the logger. Default value is `log.INFO`.
-
-### HTTP2
-
-`echo#HTTP2(on bool)`
-
-Enable/disable HTTP2 support.
+SetLogLevel sets the log level for the logger. Default value is `log.FATAL`.
 
 ### Auto index