Vendor main dependencies.

vendor/github.com/vulcand/oxy/utils/logging.go

@@ -0,0 +1,86 @@
+package utils
+
+import (
+	"io"
+	"log"
+)
+
+var NullLogger Logger = &NOPLogger{}
+
+// Logger defines a simple logging interface
+type Logger interface {
+	Infof(format string, args ...interface{})
+	Warningf(format string, args ...interface{})
+	Errorf(format string, args ...interface{})
+}
+
+type FileLogger struct {
+	info  *log.Logger
+	warn  *log.Logger
+	error *log.Logger
+}
+
+func NewFileLogger(w io.Writer, lvl LogLevel) *FileLogger {
+	l := &FileLogger{}
+	flag := log.Ldate | log.Ltime | log.Lmicroseconds
+	if lvl <= INFO {
+		l.info = log.New(w, "INFO: ", flag)
+	}
+	if lvl <= WARN {
+		l.warn = log.New(w, "WARN: ", flag)
+	}
+	if lvl <= ERROR {
+		l.error = log.New(w, "ERR: ", flag)
+	}
+	return l
+}
+
+func (f *FileLogger) Infof(format string, args ...interface{}) {
+	if f.info == nil {
+		return
+	}
+	f.info.Printf(format, args...)
+}
+
+func (f *FileLogger) Warningf(format string, args ...interface{}) {
+	if f.warn == nil {
+		return
+	}
+	f.warn.Printf(format, args...)
+}
+
+func (f *FileLogger) Errorf(format string, args ...interface{}) {
+	if f.error == nil {
+		return
+	}
+	f.error.Printf(format, args...)
+}
+
+type NOPLogger struct {
+}
+
+func (*NOPLogger) Infof(format string, args ...interface{}) {
+
+}
+func (*NOPLogger) Warningf(format string, args ...interface{}) {
+}
+
+func (*NOPLogger) Errorf(format string, args ...interface{}) {
+}
+
+func (*NOPLogger) Info(string) {
+
+}
+func (*NOPLogger) Warning(string) {
+}
+
+func (*NOPLogger) Error(string) {
+}
+
+type LogLevel int
+
+const (
+	INFO = iota
+	WARN
+	ERROR
+)