[VOL-3678] First implementation of the BBSim-sadis-server
Change-Id: I5077a8f861f4cc6af9759f31a4a415042c05eba3
diff --git a/vendor/k8s.io/apimachinery/pkg/util/json/json.go b/vendor/k8s.io/apimachinery/pkg/util/json/json.go
new file mode 100644
index 0000000..2048348
--- /dev/null
+++ b/vendor/k8s.io/apimachinery/pkg/util/json/json.go
@@ -0,0 +1,156 @@
+/*
+Copyright 2015 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 json
+
+import (
+ "bytes"
+ "encoding/json"
+ "fmt"
+ "io"
+)
+
+// NewEncoder delegates to json.NewEncoder
+// It is only here so this package can be a drop-in for common encoding/json uses
+func NewEncoder(w io.Writer) *json.Encoder {
+ return json.NewEncoder(w)
+}
+
+// Marshal delegates to json.Marshal
+// It is only here so this package can be a drop-in for common encoding/json uses
+func Marshal(v interface{}) ([]byte, error) {
+ return json.Marshal(v)
+}
+
+// limit recursive depth to prevent stack overflow errors
+const maxDepth = 10000
+
+// Unmarshal unmarshals the given data
+// If v is a *map[string]interface{}, numbers are converted to int64 or float64
+func Unmarshal(data []byte, v interface{}) error {
+ switch v := v.(type) {
+ case *map[string]interface{}:
+ // Build a decoder from the given data
+ decoder := json.NewDecoder(bytes.NewBuffer(data))
+ // Preserve numbers, rather than casting to float64 automatically
+ decoder.UseNumber()
+ // Run the decode
+ if err := decoder.Decode(v); err != nil {
+ return err
+ }
+ // If the decode succeeds, post-process the map to convert json.Number objects to int64 or float64
+ return convertMapNumbers(*v, 0)
+
+ case *[]interface{}:
+ // Build a decoder from the given data
+ decoder := json.NewDecoder(bytes.NewBuffer(data))
+ // Preserve numbers, rather than casting to float64 automatically
+ decoder.UseNumber()
+ // Run the decode
+ if err := decoder.Decode(v); err != nil {
+ return err
+ }
+ // If the decode succeeds, post-process the map to convert json.Number objects to int64 or float64
+ return convertSliceNumbers(*v, 0)
+
+ case *interface{}:
+ // Build a decoder from the given data
+ decoder := json.NewDecoder(bytes.NewBuffer(data))
+ // Preserve numbers, rather than casting to float64 automatically
+ decoder.UseNumber()
+ // Run the decode
+ if err := decoder.Decode(v); err != nil {
+ return err
+ }
+ // If the decode succeeds, post-process the map to convert json.Number objects to int64 or float64
+ return convertInterfaceNumbers(v, 0)
+
+ default:
+ return json.Unmarshal(data, v)
+ }
+}
+
+func convertInterfaceNumbers(v *interface{}, depth int) error {
+ var err error
+ switch v2 := (*v).(type) {
+ case json.Number:
+ *v, err = convertNumber(v2)
+ case map[string]interface{}:
+ err = convertMapNumbers(v2, depth+1)
+ case []interface{}:
+ err = convertSliceNumbers(v2, depth+1)
+ }
+ return err
+}
+
+// convertMapNumbers traverses the map, converting any json.Number values to int64 or float64.
+// values which are map[string]interface{} or []interface{} are recursively visited
+func convertMapNumbers(m map[string]interface{}, depth int) error {
+ if depth > maxDepth {
+ return fmt.Errorf("exceeded max depth of %d", maxDepth)
+ }
+
+ var err error
+ for k, v := range m {
+ switch v := v.(type) {
+ case json.Number:
+ m[k], err = convertNumber(v)
+ case map[string]interface{}:
+ err = convertMapNumbers(v, depth+1)
+ case []interface{}:
+ err = convertSliceNumbers(v, depth+1)
+ }
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// convertSliceNumbers traverses the slice, converting any json.Number values to int64 or float64.
+// values which are map[string]interface{} or []interface{} are recursively visited
+func convertSliceNumbers(s []interface{}, depth int) error {
+ if depth > maxDepth {
+ return fmt.Errorf("exceeded max depth of %d", maxDepth)
+ }
+
+ var err error
+ for i, v := range s {
+ switch v := v.(type) {
+ case json.Number:
+ s[i], err = convertNumber(v)
+ case map[string]interface{}:
+ err = convertMapNumbers(v, depth+1)
+ case []interface{}:
+ err = convertSliceNumbers(v, depth+1)
+ }
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// convertNumber converts a json.Number to an int64 or float64, or returns an error
+func convertNumber(n json.Number) (interface{}, error) {
+ // Attempt to convert to an int64 first
+ if i, err := n.Int64(); err == nil {
+ return i, nil
+ }
+ // Return a float64 (default json.Decode() behavior)
+ // An overflow will return an error
+ return n.Float64()
+}