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|
package types
import (
"fmt"
"strings"
)
type Properties map[string]string
func NewProperties() Properties {
return make(Properties)
}
func (p Properties) String() string {
parts := []string{}
for k, v := range p {
parts = append(parts, fmt.Sprintf(`%s: "%v"`, k, v))
}
return fmt.Sprintf("[%s]", strings.Join(parts, ", "))
}
func (p Properties) Set(key string, value interface{}) Properties {
if value == nil {
return p
}
switch v := value.(type) {
case *string:
if v == nil {
return p
}
p[key] = *v
case []byte:
p[key] = string(v)
case *bool:
if v == nil {
return p
}
p[key] = fmt.Sprint(*v)
case *int64:
if v == nil {
return p
}
p[key] = fmt.Sprint(*v)
case *int:
if v == nil {
return p
}
p[key] = fmt.Sprint(*v)
default:
// Fallback to Stringer interface. This produces gibberish on pointers,
// but is the only way to avoid reflection.
p[key] = fmt.Sprint(value)
}
return p
}
func (p Properties) SetTag(tagKey *string, tagValue interface{}) Properties {
return p.SetTagWithPrefix("", tagKey, tagValue)
}
func (p Properties) SetTagWithPrefix(prefix string, tagKey *string, tagValue interface{}) Properties {
if tagKey == nil {
return p
}
keyStr := strings.TrimSpace(*tagKey)
prefix = strings.TrimSpace(prefix)
if keyStr == "" {
return p
}
if prefix != "" {
keyStr = fmt.Sprintf("%s:%s", prefix, keyStr)
}
keyStr = fmt.Sprintf("tag:%s", keyStr)
return p.Set(keyStr, tagValue)
}
func (p Properties) Get(key string) string {
value, ok := p[key]
if !ok {
return ""
}
return value
}
func (p Properties) Equals(o Properties) bool {
if p == nil && o == nil {
return true
}
if p == nil || o == nil {
return false
}
if len(p) != len(o) {
return false
}
for k, pv := range p {
ov, ok := o[k]
if !ok {
return false
}
if pv != ov {
return false
}
}
return true
}
|
