--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/github.com/spf13/viper/internal/encoding/javaproperties/codec.go Tue Aug 23 22:39:43 2022 +0200
@@ -0,0 +1,86 @@
+package javaproperties
+
+import (
+ "bytes"
+ "sort"
+ "strings"
+
+ "github.com/magiconair/properties"
+ "github.com/spf13/cast"
+)
+
+// Codec implements the encoding.Encoder and encoding.Decoder interfaces for Java properties encoding.
+type Codec struct {
+ KeyDelimiter string
+
+ // Store read properties on the object so that we can write back in order with comments.
+ // This will only be used if the configuration read is a properties file.
+ // TODO: drop this feature in v2
+ // TODO: make use of the global properties object optional
+ Properties *properties.Properties
+}
+
+func (c *Codec) Encode(v map[string]interface{}) ([]byte, error) {
+ if c.Properties == nil {
+ c.Properties = properties.NewProperties()
+ }
+
+ flattened := map[string]interface{}{}
+
+ flattened = flattenAndMergeMap(flattened, v, "", c.keyDelimiter())
+
+ keys := make([]string, 0, len(flattened))
+
+ for key := range flattened {
+ keys = append(keys, key)
+ }
+
+ sort.Strings(keys)
+
+ for _, key := range keys {
+ _, _, err := c.Properties.Set(key, cast.ToString(flattened[key]))
+ if err != nil {
+ return nil, err
+ }
+ }
+
+ var buf bytes.Buffer
+
+ _, err := c.Properties.WriteComment(&buf, "#", properties.UTF8)
+ if err != nil {
+ return nil, err
+ }
+
+ return buf.Bytes(), nil
+}
+
+func (c *Codec) Decode(b []byte, v map[string]interface{}) error {
+ var err error
+ c.Properties, err = properties.Load(b, properties.UTF8)
+ if err != nil {
+ return err
+ }
+
+ for _, key := range c.Properties.Keys() {
+ // ignore existence check: we know it's there
+ value, _ := c.Properties.Get(key)
+
+ // recursively build nested maps
+ path := strings.Split(key, c.keyDelimiter())
+ lastKey := strings.ToLower(path[len(path)-1])
+ deepestMap := deepSearch(v, path[0:len(path)-1])
+
+ // set innermost value
+ deepestMap[lastKey] = value
+ }
+
+ return nil
+}
+
+func (c Codec) keyDelimiter() string {
+ if c.KeyDelimiter == "" {
+ return "."
+ }
+
+ return c.KeyDelimiter
+}