[VOL-5486] Fix deprecated versions

Change-Id: I3e03ea246020547ae75fa92ce8cf5cbba7e8f3bb
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/go.uber.org/zap/http_handler.go b/vendor/go.uber.org/zap/http_handler.go
index 1297c33..2be8f65 100644
--- a/vendor/go.uber.org/zap/http_handler.go
+++ b/vendor/go.uber.org/zap/http_handler.go
@@ -22,6 +22,7 @@
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -32,22 +33,23 @@
 // ServeHTTP is a simple JSON endpoint that can report on or change the current
 // logging level.
 //
-// GET
+// # GET
 //
 // The GET request returns a JSON description of the current logging level like:
-//   {"level":"info"}
 //
-// PUT
+//	{"level":"info"}
+//
+// # PUT
 //
 // The PUT request changes the logging level. It is perfectly safe to change the
 // logging level while a program is running. Two content types are supported:
 //
-//    Content-Type: application/x-www-form-urlencoded
+//	Content-Type: application/x-www-form-urlencoded
 //
 // With this content type, the level can be provided through the request body or
 // a query parameter. The log level is URL encoded like:
 //
-//    level=debug
+//	level=debug
 //
 // The request body takes precedence over the query parameter, if both are
 // specified.
@@ -55,19 +57,25 @@
 // This content type is the default for a curl PUT request. Following are two
 // example curl requests that both set the logging level to debug.
 //
-//    curl -X PUT localhost:8080/log/level?level=debug
-//    curl -X PUT localhost:8080/log/level -d level=debug
+//	curl -X PUT localhost:8080/log/level?level=debug
+//	curl -X PUT localhost:8080/log/level -d level=debug
 //
 // For any other content type, the payload is expected to be JSON encoded and
 // look like:
 //
-//   {"level":"info"}
+//	{"level":"info"}
 //
 // An example curl request could look like this:
 //
-//    curl -X PUT localhost:8080/log/level -H "Content-Type: application/json" -d '{"level":"debug"}'
-//
+//	curl -X PUT localhost:8080/log/level -H "Content-Type: application/json" -d '{"level":"debug"}'
 func (lvl AtomicLevel) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if err := lvl.serveHTTP(w, r); err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		fmt.Fprintf(w, "internal error: %v", err)
+	}
+}
+
+func (lvl AtomicLevel) serveHTTP(w http.ResponseWriter, r *http.Request) error {
 	type errorResponse struct {
 		Error string `json:"error"`
 	}
@@ -79,19 +87,20 @@
 
 	switch r.Method {
 	case http.MethodGet:
-		enc.Encode(payload{Level: lvl.Level()})
+		return enc.Encode(payload{Level: lvl.Level()})
+
 	case http.MethodPut:
 		requestedLvl, err := decodePutRequest(r.Header.Get("Content-Type"), r)
 		if err != nil {
 			w.WriteHeader(http.StatusBadRequest)
-			enc.Encode(errorResponse{Error: err.Error()})
-			return
+			return enc.Encode(errorResponse{Error: err.Error()})
 		}
 		lvl.SetLevel(requestedLvl)
-		enc.Encode(payload{Level: lvl.Level()})
+		return enc.Encode(payload{Level: lvl.Level()})
+
 	default:
 		w.WriteHeader(http.StatusMethodNotAllowed)
-		enc.Encode(errorResponse{
+		return enc.Encode(errorResponse{
 			Error: "Only GET and PUT are supported.",
 		})
 	}
@@ -108,7 +117,7 @@
 func decodePutURL(r *http.Request) (zapcore.Level, error) {
 	lvl := r.FormValue("level")
 	if lvl == "" {
-		return 0, fmt.Errorf("must specify logging level")
+		return 0, errors.New("must specify logging level")
 	}
 	var l zapcore.Level
 	if err := l.UnmarshalText([]byte(lvl)); err != nil {
@@ -125,8 +134,7 @@
 		return 0, fmt.Errorf("malformed request body: %v", err)
 	}
 	if pld.Level == nil {
-		return 0, fmt.Errorf("must specify logging level")
+		return 0, errors.New("must specify logging level")
 	}
 	return *pld.Level, nil
-
 }