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XML Targets of Transformations

This example demonstrates the possible XML targets of the statement CALL TRANSFORMATION.

Other versions: 7.31 | 7.40 | 7.54

Source Code

    DATA(out) = CL_DEMO_OUTPUT=>NEW(
      )->begin_section(
      `XML Results for CALL TRANSFORMATION` ).

    DATA(xml) = cl_abap_codepage=>convert_to(
                 `<object>` &&
                 ` <str name="TEXT">Hello Writers!</str>` &&
                 `</object>` ).

    "Strings
    out->begin_section( `Strings` ).

    "string
    out->begin_section( `Text String` ).
    DATA(xml_str) = VALUE string( ).
    CALL TRANSFORMATION id SOURCE XML xml
                           RESULT XML xml_str.
    out->write_xml( xml_str ).

    "xstring
    out->next_section( `Byte String` ).
    DATA(xml_xstr) = VALUE xstring( ).
    CALL TRANSFORMATION id SOURCE XML xml
                           RESULT XML xml_xstr.
    out->write_xml( xml_xstr
      )->end_section( ).

    "Internal tables
    out->next_section( `Internal Tables` ).

    "Text table
    out->begin_section( `Table of Text Fields` ).
    TYPES c10 TYPE c LENGTH 10.
    DATA xml_tab TYPE STANDARD TABLE OF c10 WITH DEFAULT KEY.
    CALL TRANSFORMATION id SOURCE XML xml
                        RESULT XML xml_tab.
    out->write_xml( concat_lines_of( xml_tab ) ).

    "Byte table
    out->next_section( `Table of Byte Fields` ).
    TYPES x10 TYPE x LENGTH 10.
    DATA xml_xtab TYPE STANDARD TABLE OF x10 WITH DEFAULT KEY.
    CALL TRANSFORMATION id SOURCE XML xml
                        RESULT XML xml_xtab.
    CONCATENATE LINES OF xml_xtab INTO xml_xstr IN BYTE MODE.
    out->write_xml( xml_xstr
      )->end_section( ).

    "iXML
    out->next_section( `iXML Library` ).

    "Output stream
    out->begin_section( `Output Stream` ).
    DATA(ixml) = cl_ixml=>create( ).
    CLEAR xml_xstr.
    DATA(ostream) = ixml->create_stream_factory(
                      )->create_ostream_xstring( xml_xstr ).
    CALL TRANSFORMATION id SOURCE XML xml
                           RESULT XML ostream.
    out->write_xml( xml_xstr ).

    "DOM
    out->next_section( `DOM` ).
    DATA(dom) = ixml->create_document( ).
    CALL TRANSFORMATION id SOURCE XML xml
                           RESULT XML dom.
    CLEAR xml_xstr.
    dom->render( ixml->create_stream_factory(
                         )->create_ostream_xstring( xml_xstr ) ).
    out->write_xml( xml_xstr
      )->end_section( ).

    "sXML
    out->next_section( `sXML Library` ).

    "XML 1.0 writer
    out->begin_section( `XML 1.0 Writer` ).
    DATA(xml_writer) = cl_sxml_string_writer=>create(
                         type = if_sxml=>co_xt_xml10 ).
    CALL TRANSFORMATION id SOURCE XML xml
                           RESULT XML xml_writer.
    out->write_xml( xml_writer->get_output( ) ).

    "Binary XML writer
    out->next_section( `Binary XML Writer` ).
    DATA(binary_xml_writer) = cl_sxml_string_writer=>create(
                               type = if_sxml=>co_xt_binary ).
    CALL TRANSFORMATION id SOURCE XML xml
                           RESULT XML binary_xml_writer.
    out->write_xml( binary_xml_writer->get_output( ) ).

    "XOP writer
    out->next_section( `XOP Writer` ).
    DATA(xop_writer) = cl_sxml_xop_writer=>create( ).
    CALL TRANSFORMATION id SOURCE XML xml
                           RESULT XML xop_writer.
    DATA(xop_package) = xop_writer->get_output( ).
    out->write_xml( xop_package-xop_document ).

    "JSON writer
    out->next_section( `JSON Writer` ).
    DATA(json_writer) = cl_sxml_string_writer=>create(
                               type = if_sxml=>co_xt_json ).
    CALL TRANSFORMATION id SOURCE XML xml
                           RESULT XML json_writer.
    out->write_json( json_writer->get_output( )
      )->display( ).

Description

The identity transformation ID is called for all possible XML targets and the result is displayed. The XML source is always the same byte string, which contains the XML data in JSON-XML format.