VOL-2408 - Refactor / Use voltha-lib-go Logging
Change-Id: I6e7d9eaba49c104cd50bb5692a2ff9733014fac4
diff --git a/vendor/go.uber.org/zap/error.go b/vendor/go.uber.org/zap/error.go
new file mode 100644
index 0000000..65982a5
--- /dev/null
+++ b/vendor/go.uber.org/zap/error.go
@@ -0,0 +1,80 @@
+// 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 zap
+
+import (
+ "sync"
+
+ "go.uber.org/zap/zapcore"
+)
+
+var _errArrayElemPool = sync.Pool{New: func() interface{} {
+ return &errArrayElem{}
+}}
+
+// Error is shorthand for the common idiom NamedError("error", err).
+func Error(err error) Field {
+ return NamedError("error", err)
+}
+
+// NamedError constructs a field that lazily stores err.Error() under the
+// provided key. Errors which also implement fmt.Formatter (like those produced
+// by github.com/pkg/errors) will also have their verbose representation stored
+// under key+"Verbose". If passed a nil error, the field is a no-op.
+//
+// For the common case in which the key is simply "error", the Error function
+// is shorter and less repetitive.
+func NamedError(key string, err error) Field {
+ if err == nil {
+ return Skip()
+ }
+ return Field{Key: key, Type: zapcore.ErrorType, Interface: err}
+}
+
+type errArray []error
+
+func (errs errArray) MarshalLogArray(arr zapcore.ArrayEncoder) error {
+ for i := range errs {
+ if errs[i] == nil {
+ continue
+ }
+ // To represent each error as an object with an "error" attribute and
+ // potentially an "errorVerbose" attribute, we need to wrap it in a
+ // type that implements LogObjectMarshaler. To prevent this from
+ // allocating, pool the wrapper type.
+ elem := _errArrayElemPool.Get().(*errArrayElem)
+ elem.error = errs[i]
+ arr.AppendObject(elem)
+ elem.error = nil
+ _errArrayElemPool.Put(elem)
+ }
+ return nil
+}
+
+type errArrayElem struct {
+ error
+}
+
+func (e *errArrayElem) MarshalLogObject(enc zapcore.ObjectEncoder) error {
+ // Re-use the error field's logic, which supports non-standard error types.
+ Error(e.error).AddTo(enc)
+ return nil
+}