Vendor dependencies

vendor/k8s.io/kubernetes/pkg/watch/json/encoder.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2014 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package json
+
+import (
+	"encoding/json"
+	"io"
+
+	"k8s.io/kubernetes/pkg/runtime"
+	"k8s.io/kubernetes/pkg/watch"
+)
+
+// Encoder implements the json.Encoder interface for io.Writers that
+// should serialize WatchEvent objects into JSON. It will encode any object
+// registered in the supplied codec and return an error otherwies.
+type Encoder struct {
+	w       io.Writer
+	encoder *json.Encoder
+	codec   runtime.Encoder
+}
+
+// NewEncoder creates an Encoder for the given writer and codec
+func NewEncoder(w io.Writer, codec runtime.Encoder) *Encoder {
+	return &Encoder{
+		w:       w,
+		encoder: json.NewEncoder(w),
+		codec:   codec,
+	}
+}
+
+// Encode writes an event to the writer. Returns an error
+// if the writer is closed or an object can't be encoded.
+func (e *Encoder) Encode(event *watch.Event) error {
+	obj, err := Object(e.codec, event)
+	if err != nil {
+		return err
+	}
+	return e.encoder.Encode(obj)
+}