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beam/data: convenience Message.Get

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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
This commit is contained in:
Solomon Hykes 2014-03-24 18:16:27 -07:00
parent 460c98d92d
commit 488fe61354
1 changed files with 12 additions and 0 deletions
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12
pkg/beam/data/message.go
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@ -42,6 +42,18 @@ func (m Message) Del(k string) Message {
return Message(Encode(data))
}
func (m Message) Get(k string) []string {
data, err := Decode(string(m))
if err != nil {
return nil
}
v, exists := data[k]
if !exists {
return nil
}
return v
}
func (m Message) String() string {
return string(m)
}