SAP ABAP JSON

Uso en programas ABAP

FORM crear_json  USING    p_guia TYPE zhr01_dgtl
                          p_uname
                 CHANGING p_string_json TYPE string.
  DATA: json_writer TYPE REF TO cl_sxml_string_writer.
  DATA json TYPE xstring.
  DATA lt_guia TYPE TABLE OF zhr01_dgtl.

  APPEND p_guia TO lt_guia.

  json_writer = cl_sxml_string_writer=>create(
                          type = if_sxml=>co_xt_json ).

  CALL TRANSFORMATION zhcm_guia_dgtl
                    SOURCE root = lt_guia
                           usuario = p_uname
                    RESULT XML json_writer.   "se usa el ejemplo 2 de Ejemplos

  json = json_writer->get_output( ).

*  PERFORM encoding2 CHANGING json p_string_json.
  PERFORM decode USING json
              CHANGING p_string_json.

ENDFORM.                    " CREAR_JSON

FORM decode USING p_xstring
         CHANGING p_string.

  CALL METHOD cl_http_utility=>if_http_utility~decode_utf8
    EXPORTING
      encoded   = p_xstring
    RECEIVING
      unencoded = p_string.

ENDFORM.                    "decode