codec

package main

import (
	"github.com/farshidtz/senml/v2/codec"
)

func main() {
	input := `[{"bn":"room1/temp","u":"Cel","t":1276020076.305,"v":23.5},{"u":"Cel","t":1276020091.305,"v":23.6}]`

	// decode JSON
	pack, err := codec.DecodeJSON([]byte(input))
	if err != nil {
		panic(err) // handle the error
	}

	// validate the SenML Pack
	err = pack.Validate()
	if err != nil {
		panic(err) // handle the error
	}
}

var pack senml.Pack = []senml.Record{
	{Time: 1276020000, Name: "room1/temp_label", StringValue: "hot"},
	{Time: 1276020100, Name: "room1/temp_label", StringValue: "cool"},
}

// encode to CSV (format: name,excel-time,value,unit)
csvBytes, err := codec.EncodeCSV(pack, codec.WithHeader)
if err != nil {
	panic(err) // handle the error
}
fmt.Printf("%s\n", csvBytes)

Output:

Time,Update Time,Name,Unit,Value,String Value,Boolean Value,Data Value,Sum
1276020000,0,room1/temp_label,,,hot,,,
1276020100,0,room1/temp_label,,,cool,,,

v := 23.1
var p senml.Pack = []senml.Record{
	{Value: &v, Unit: "Cel", Name: "urn:dev:ow:10e2073a01080063"},
}

dataOut, err := codec.EncodeJSON(p)
if err != nil {
	panic(err) // handle the error
}
fmt.Printf("%s", dataOut)

Output:

[{"n":"urn:dev:ow:10e2073a01080063","u":"Cel","v":23.1}]

var pack senml.Pack = []senml.Record{
	{Time: 1276020000, Name: "room1/temp_label", StringValue: "hot"},
	{Time: 1276020100, Name: "room1/temp_label", StringValue: "cool"},
}

// encode to Pretty XML
xmlBytes, err := codec.EncodeXML(pack, codec.PrettyPrint)
if err != nil {
	panic(err) // handle the error
}
fmt.Printf("%s\n", xmlBytes)

Output:

<sensml xmlns="urn:ietf:params:xml:ns:senml">
  <senml n="room1/temp_label" t="1.27602e+09" vs="hot"></senml>
  <senml n="room1/temp_label" t="1.2760201e+09" vs="cool"></senml>
</sensml>