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simplejson.go
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simplejson.go
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package json
import (
"io"
gjson "encoding/json"
sjson "github.com/bitly/go-simplejson"
"github.com/juju/errors"
)
type SimpleJsonMarshaler interface {
MarshalSimpleJSON() (*sjson.Json, error)
}
type SimpleJsonUnmarshaler interface {
UnmarshalSimpleJSON(*sjson.Json) error
}
type JsonExt struct {
*sjson.Json
}
func UnmarshalToJson(v interface{}) *sjson.Json {
switch typedJson := v.(type) {
case *sjson.Json:
return typedJson
case SimpleJsonMarshaler:
newJson, err := typedJson.MarshalSimpleJSON()
if err != nil {
err = errors.Annotate(err, "SimpleJsonMarshaler.MarshalSimpleJSON() has error")
panic(errors.Details(err))
}
return newJson
case gjson.Marshaler:
marshalerJson, err := typedJson.MarshalJSON()
if err != nil {
err = errors.Annotate(err, "encoding/json.MarshalJSON() has error")
panic(errors.Details(err))
}
return UnmarshalToJson(marshalerJson)
case string:
return UnmarshalToJson([]byte(typedJson))
case []byte:
if len(typedJson) == 0 {
return sjson.New()
}
jsonObject, err := sjson.NewJson(typedJson)
if err != nil {
err = errors.Annotate(err, "go-simplejson.NewJson([]byte) has error")
panic(errors.Details(err))
}
return jsonObject
case io.Reader:
jsonObject, err := sjson.NewFromReader(typedJson)
if err != nil {
err = errors.Annotate(err, "go-simplejson.NewFromReader(io.Reader) has error")
panic(errors.Details(err))
}
return jsonObject
}
anyJson, err := gjson.Marshal(v)
if err != nil {
err = errors.Annotate(err, "encoding/json.Marshal() has error")
panic(errors.Details(err))
}
return UnmarshalToJson(anyJson)
}
func UnmarshalToJsonExt(v interface{}) *JsonExt {
jsonObject := UnmarshalToJson(v)
if jsonObject == nil {
return nil
}
return ToJsonExt(jsonObject)
}
func ToJsonExt(sjson *sjson.Json) *JsonExt {
return &JsonExt{sjson}
}
func (j *JsonExt) MustInt8() int8 {
return int8(j.MustInt64())
}
func (j *JsonExt) MustInt16() int16 {
return int16(j.MustInt64())
}
func (j *JsonExt) MustInt32() int32 {
return int32(j.MustInt64())
}
func (j *JsonExt) MustUint8() uint8 {
return uint8(j.MustUint64())
}
func (j *JsonExt) MustUint16() uint16 {
return uint16(j.MustUint64())
}
func (j *JsonExt) MustUint32() uint32 {
return uint32(j.MustUint64())
}
func (j *JsonExt) IsNil() bool {
return j.Interface() == nil
}
func (j *JsonExt) MustStringPtr() *string {
if j.IsNil() {
return nil
}
stringValue := j.MustString()
return &stringValue
}
func (j *JsonExt) GetExt(key string) *JsonExt {
return &JsonExt{j.Get(key)}
}
func (j *JsonExt) GetIndexExt(index int) *JsonExt {
return &JsonExt{j.GetIndex(index)}
}
func (j *JsonExt) GetPathExt(branch ...string) *JsonExt {
return &JsonExt{j.GetPath(branch...)}
}
func (j *JsonExt) CheckGetExt(key string) (*JsonExt, bool) {
sjson, check := j.CheckGet(key)
return &JsonExt{sjson}, check
}
// Gets the JSON
//
// This method would panic if the JSON cannot be marshalled
func MarshalJSON(anyObject interface{}) string {
jsonString, err := gjson.Marshal(anyObject)
if err != nil {
err = errors.Annotate(err, "encoding/json.Marshal() has error")
panic(errors.Details(err))
}
return string(jsonString)
}
// Gets the JSON(pretty)
//
// This method would panic if the JSON cannot be marshalled
func MarshalPrettyJSON(anyObject interface{}) string {
jsonString := MarshalJSON(anyObject)
jsonObject, err := sjson.NewJson([]byte(jsonString))
if err != nil {
err = errors.Annotate(err, "simplejson.NewJson([]byte) has error")
panic(errors.Details(err))
}
prettyJson, jsonError := jsonObject.EncodePretty()
if jsonError != nil {
err = errors.Annotate(err, "simplejson.JSON.EncodePretty() has error")
panic(errors.Details(err))
}
return string(prettyJson)
}