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Decoding BASE64 in ABAP



 
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PostPosted: Wed Sep 05, 2007 7:08 pm    Post subject: Decoding BASE64 in ABAP Reply with quote
Author: Frank Klausner

A small form routine to decode base64 (TYPE STRING) into plaintext (TYPE STRING).

Code:
FORM decode_base64 USING base64 plaintext.

  CHECK base64 IS NOT INITIAL.

  CONSTANTS:
    lc_op_dec TYPE x VALUE 37.
  DATA:
    l_xstr TYPE xstring,
    lr_conv TYPE REF TO cl_abap_conv_in_ce.

  CALL 'SSF_ABAP_SERVICE'
    ID 'OPCODE' FIELD   lc_op_dec
    ID 'BINDATA' FIELD   l_xstr
    ID 'B64DATA' FIELD   base64. "#EC CI_CCALL

  TRY.

      lr_conv = cl_abap_conv_in_ce=>create( input = l_xstr ).
      lr_conv->read( IMPORTING data = plaintext ).

    CATCH cx_sy_conversion_codepage.
      CLEAR plaintext.
      MESSAGE i999(samx) WITH text-004 text-005.
  ENDTRY.

ENDFORM.
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