init

go-gost/x/metadata/metadata.go

@@ -0,0 +1,36 @@
+package metadata
+
+import (
+	"strings"
+
+	"github.com/go-gost/core/metadata"
+)
+
+type mapMetadata map[string]any
+
+func NewMetadata(m map[string]any) metadata.Metadata {
+	if len(m) == 0 {
+		return nil
+	}
+	md := make(map[string]any)
+	for k, v := range m {
+		md[strings.ToLower(k)] = v
+	}
+	return mapMetadata(md)
+}
+
+func (m mapMetadata) IsExists(key string) bool {
+	_, ok := m[strings.ToLower(key)]
+	return ok
+}
+
+func (m mapMetadata) Set(key string, value any) {
+	m[strings.ToLower(key)] = value
+}
+
+func (m mapMetadata) Get(key string) any {
+	if m != nil {
+		return m[strings.ToLower(key)]
+	}
+	return nil
+}