When serializing a datetime to/from xml how do I make it use a custom time format?
How to serialize a custom formatted time to/from xml in Go?
860 views Asked by matt.s At
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c4pone
On
It depends how your format looks like, but a good starting point should be the time library. http://golang.org/pkg/time/
layout := "2006-01-02T15:04:05.000Z"
str := "2014-11-12T11:45:26.371Z"
t, err := time.Parse(layout, str)
if err != nil {
fmt.Println(err)
}
fmt.Println(t)
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Just as you'd implement
json.Marshaler
andjson.Unmarshaler
for doing this with JSON (there are many posts about that on StackOverflow and the internet); one way is to implement a custom time type that implementsencoding.TextMarshaler
andencoding.TextUnmarshaler
.Those interfaces are used by
encoding/xml
when encoding items (after first checking for the more specificxml.Marshaler
orxml.Unmarshaler
interfaces, however those later ones have to do full XML encoding themselves).E.g. something like (full example on the Go Playground):
or
Either of those can be used in place of
time.Time
as part of a larger data structure used with xml (un)marshalling. E.g.:The difference in how these custom time types are defined changes how you use them with regular
time.Time
values. E.g.