marshall_json_struct_mapstring.go

package main

import (
	"encoding/json"
	"fmt"
)

type Foo struct {
	PropertyString    string            `json:"propString"`
	PropertyMapString map[string]string `json:"propMapString"`
}

func main() {

	var mockJson = `{
		"metadata1key":"metadata1value",
		"metadata2key":"metadata2value",
		"metadata3key":"metadata3value",
		"metadata4key":"metadata4value",
		"metadata5key":"metadata5value"
	}`

	md := make(map[string]string)

	err := json.Unmarshal([]byte(mockJson), &md)
	if err != nil {
		fmt.Printf("Error: %s\n", err)
		return
	}

	md["md6key"] = "md6value"
	md["md7key"] = "md7value"
	md["md8key"] = "md8value"
	md["md9key"] = "md9value"
	md["md10key"] = "md10value"

	/*fmt.Println("md:")
	for key, value := range md {
		fmt.Printf("%s -> %s\n", key, value)
	}
	fmt.Println("")*/

	foobar := Foo{
		PropertyString:    "bar",
		PropertyMapString: md,
	}

	fmt.Printf("Go	: %s\n\n", foobar)

	b, err := json.Marshal(foobar)
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Printf("JSON	: %s\n", string(b))

}