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56 lines
1.7 KiB
56 lines
1.7 KiB
/* |
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Copyright 2014 The Kubernetes Authors. |
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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 versioned |
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import ( |
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"encoding/json" |
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
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"k8s.io/apimachinery/pkg/runtime" |
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"k8s.io/apimachinery/pkg/runtime/serializer/streaming" |
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"k8s.io/apimachinery/pkg/watch" |
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) |
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// Encoder serializes watch.Events into io.Writer. The internal objects |
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// are encoded using embedded encoder, and the outer Event is serialized |
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// using encoder. |
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// TODO: this type is only used by tests |
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type Encoder struct { |
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encoder streaming.Encoder |
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embeddedEncoder runtime.Encoder |
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} |
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func NewEncoder(encoder streaming.Encoder, embeddedEncoder runtime.Encoder) *Encoder { |
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return &Encoder{ |
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encoder: encoder, |
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embeddedEncoder: embeddedEncoder, |
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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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data, err := runtime.Encode(e.embeddedEncoder, event.Object) |
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if err != nil { |
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return err |
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} |
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// FIXME: get rid of json.RawMessage. |
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return e.encoder.Encode(&metav1.WatchEvent{ |
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Type: string(event.Type), |
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Object: runtime.RawExtension{Raw: json.RawMessage(data)}, |
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}) |
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}
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