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Diffstat (limited to 'src/kube2msb/vendor/k8s.io/kubernetes/pkg/watch/versioned/decoder.go')
-rw-r--r--src/kube2msb/vendor/k8s.io/kubernetes/pkg/watch/versioned/decoder.go71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/kube2msb/vendor/k8s.io/kubernetes/pkg/watch/versioned/decoder.go b/src/kube2msb/vendor/k8s.io/kubernetes/pkg/watch/versioned/decoder.go
new file mode 100644
index 0000000..e586527
--- /dev/null
+++ b/src/kube2msb/vendor/k8s.io/kubernetes/pkg/watch/versioned/decoder.go
@@ -0,0 +1,71 @@
+/*
+Copyright 2014 The Kubernetes Authors.
+
+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 versioned
+
+import (
+ "fmt"
+
+ "k8s.io/kubernetes/pkg/runtime"
+ "k8s.io/kubernetes/pkg/runtime/serializer/streaming"
+ "k8s.io/kubernetes/pkg/watch"
+)
+
+// Decoder implements the watch.Decoder interface for io.ReadClosers that
+// have contents which consist of a series of watchEvent objects encoded
+// with the given streaming decoder. The internal objects will be then
+// decoded by the embedded decoder.
+type Decoder struct {
+ decoder streaming.Decoder
+ embeddedDecoder runtime.Decoder
+}
+
+// NewDecoder creates an Decoder for the given writer and codec.
+func NewDecoder(decoder streaming.Decoder, embeddedDecoder runtime.Decoder) *Decoder {
+ return &Decoder{
+ decoder: decoder,
+ embeddedDecoder: embeddedDecoder,
+ }
+}
+
+// Decode blocks until it can return the next object in the reader. Returns an error
+// if the reader is closed or an object can't be decoded.
+func (d *Decoder) Decode() (watch.EventType, runtime.Object, error) {
+ var got Event
+ res, _, err := d.decoder.Decode(nil, &got)
+ if err != nil {
+ return "", nil, err
+ }
+ if res != &got {
+ return "", nil, fmt.Errorf("unable to decode to versioned.Event")
+ }
+ switch got.Type {
+ case string(watch.Added), string(watch.Modified), string(watch.Deleted), string(watch.Error):
+ default:
+ return "", nil, fmt.Errorf("got invalid watch event type: %v", got.Type)
+ }
+
+ obj, err := runtime.Decode(d.embeddedDecoder, got.Object.Raw)
+ if err != nil {
+ return "", nil, fmt.Errorf("unable to decode watch event: %v", err)
+ }
+ return watch.EventType(got.Type), obj, nil
+}
+
+// Close closes the underlying r.
+func (d *Decoder) Close() {
+ d.decoder.Close()
+}