MarshalJSON implements custom marshaling to be used by the standard json/encoding package
()
| 266 | |
| 267 | // MarshalJSON implements custom marshaling to be used by the standard json/encoding package |
| 268 | func (av DynamoDBAttributeValue) MarshalJSON() ([]byte, error) { |
| 269 | |
| 270 | var buff bytes.Buffer |
| 271 | var err error |
| 272 | var b []byte |
| 273 | |
| 274 | switch av.dataType { |
| 275 | case DataTypeBinary: |
| 276 | buff.WriteString(`{ "B":`) |
| 277 | b, err = json.Marshal(av.value.([]byte)) |
| 278 | buff.Write(b) |
| 279 | |
| 280 | case DataTypeBoolean: |
| 281 | buff.WriteString(`{ "BOOL":`) |
| 282 | b, err = json.Marshal(av.value.(bool)) |
| 283 | buff.Write(b) |
| 284 | |
| 285 | case DataTypeBinarySet: |
| 286 | buff.WriteString(`{ "BS":`) |
| 287 | b, err = json.Marshal(av.value.([][]byte)) |
| 288 | buff.Write(b) |
| 289 | |
| 290 | case DataTypeList: |
| 291 | buff.WriteString(`{ "L":`) |
| 292 | b, err = json.Marshal(av.value.([]DynamoDBAttributeValue)) |
| 293 | buff.Write(b) |
| 294 | |
| 295 | case DataTypeMap: |
| 296 | buff.WriteString(`{ "M":`) |
| 297 | b, err = json.Marshal(av.value.(map[string]DynamoDBAttributeValue)) |
| 298 | buff.Write(b) |
| 299 | |
| 300 | case DataTypeNumber: |
| 301 | buff.WriteString(`{ "N":`) |
| 302 | b, err = json.Marshal(av.value.(string)) |
| 303 | buff.Write(b) |
| 304 | |
| 305 | case DataTypeNumberSet: |
| 306 | buff.WriteString(`{ "NS":`) |
| 307 | b, err = json.Marshal(av.value.([]string)) |
| 308 | buff.Write(b) |
| 309 | |
| 310 | case DataTypeNull: |
| 311 | buff.WriteString(`{ "NULL": true `) |
| 312 | |
| 313 | case DataTypeString: |
| 314 | buff.WriteString(`{ "S":`) |
| 315 | b, err = json.Marshal(av.value.(string)) |
| 316 | buff.Write(b) |
| 317 | |
| 318 | case DataTypeStringSet: |
| 319 | buff.WriteString(`{ "SS":`) |
| 320 | b, err = json.Marshal(av.value.([]string)) |
| 321 | buff.Write(b) |
| 322 | } |
| 323 | |
| 324 | buff.WriteString(`}`) |
| 325 | return buff.Bytes(), err |