mirror of https://github.com/k3s-io/k3s
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package json
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import (
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"encoding/json"
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"io"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
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)
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// Encoder implements the json.Encoder interface for io.Writers that
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// should serialize WatchEvent objects into JSON. It will encode any object
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// registered in the supplied codec and return an error otherwies.
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type Encoder struct {
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w io.Writer
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encoder *json.Encoder
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codec runtime.Codec
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}
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// NewEncoder creates an Encoder for the given writer and codec
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func NewEncoder(w io.Writer, codec runtime.Codec) *Encoder {
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return &Encoder{
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w: w,
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encoder: json.NewEncoder(w),
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codec: codec,
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}
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}
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// Encode writes an event to the writer. Returns an error
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// if the writer is closed or an object can't be encoded.
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func (e *Encoder) Encode(event *watch.Event) error {
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obj, err := Object(e.codec, event)
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if err != nil {
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return err
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}
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return e.encoder.Encode(obj)
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}
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