Add zapgrpc package

zapgrpc/zapgrpc.go

@@ -0,0 +1,61 @@
+// Copyright (c) 2017 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+// Package zapgrpc provides a logger that is compatible with grpclog.
+package zapgrpc // import "go.uber.org/zap/zapgrpc"
+
+import "go.uber.org/zap"
+
+// Logger mimics grpclog's Logger interface.
+type Logger interface {
+	Fatal(args ...interface{})
+	Fatalf(format string, args ...interface{})
+	Fatalln(args ...interface{})
+	Print(args ...interface{})
+	Printf(format string, args ...interface{})
+	Println(args ...interface{})
+}
+
+// NewLogger returns a new Logger that wraps the given *zap.Logger.
+//
+// Print statements will log at the Info level.
+func NewLogger(l *zap.Logger) Logger {
+	return &logger{l.Sugar()}
+}
+
+type logger struct {
+	*zap.SugaredLogger
+}
+
+func (l *logger) Fatalln(args ...interface{}) {
+	l.SugaredLogger.Fatal(args...)
+}
+
+func (l *logger) Print(args ...interface{}) {
+	l.SugaredLogger.Info(args...)
+}
+
+func (l *logger) Printf(format string, args ...interface{}) {
+	l.SugaredLogger.Infof(format, args...)
+}
+
+func (l *logger) Println(args ...interface{}) {
+	l.SugaredLogger.Info(args...)
+}