CLASS zcl_abapgit_objects_bridge DEFINITION PUBLIC FINAL CREATE PUBLIC INHERITING FROM zcl_abapgit_objects_super.

  PUBLIC SECTION.

    CLASS-METHODS class_constructor.

    METHODS constructor
      IMPORTING is_item TYPE zif_abapgit_definitions=>ty_item
      RAISING   cx_sy_create_object_error.

    INTERFACES zif_abapgit_object.
    ALIASES mo_files FOR zif_abapgit_object~mo_files.

  PRIVATE SECTION.
    DATA: mo_plugin TYPE REF TO object.

    TYPES: BEGIN OF ty_s_objtype_map,
             obj_typ      TYPE trobjtype,
             plugin_class TYPE seoclsname,
           END OF ty_s_objtype_map,
           ty_t_objtype_map TYPE SORTED TABLE OF ty_s_objtype_map WITH UNIQUE KEY obj_typ.

    CLASS-DATA gt_objtype_map TYPE ty_t_objtype_map.

ENDCLASS.



CLASS ZCL_ABAPGIT_OBJECTS_BRIDGE IMPLEMENTATION.


  METHOD class_constructor.

    DATA lt_plugin_class    TYPE STANDARD TABLE OF seoclsname WITH DEFAULT KEY.
    DATA lv_plugin_class    LIKE LINE OF lt_plugin_class.
    DATA lo_plugin          TYPE REF TO object.
    DATA lt_plugin_obj_type TYPE objtyptable.
    DATA ls_objtype_map     LIKE LINE OF gt_objtype_map.


    SELECT ext~clsname
      FROM vseoextend AS ext
      INTO TABLE lt_plugin_class
      WHERE ext~refclsname LIKE 'ZCL_ABAPGITP_OBJECT%'
      AND ext~version = '1'.                              "#EC CI_SUBRC

    CLEAR gt_objtype_map.
    LOOP AT lt_plugin_class INTO lv_plugin_class
        WHERE table_line <> 'ZCL_ABAPGITP_OBJECT_BY_SOBJ'.
* have the generic plugin only as fallback
      TRY.
          CREATE OBJECT lo_plugin TYPE (lv_plugin_class).
        CATCH cx_sy_create_object_error.
          CONTINUE. ">>>>>>>>>>>>>>
      ENDTRY.

      CALL METHOD lo_plugin->('GET_SUPPORTED_OBJ_TYPES')
        IMPORTING
          rt_obj_type = lt_plugin_obj_type.

      ls_objtype_map-plugin_class = lv_plugin_class.
      LOOP AT lt_plugin_obj_type INTO ls_objtype_map-obj_typ.
        INSERT ls_objtype_map INTO TABLE gt_objtype_map.
        IF sy-subrc <> 0.
* No exception in class-contructor possible.
* Anyway, a shortdump is more appropriate in this case
          ASSERT 'There must not be' =
            |multiple abapGit-Plugins for the same object type {
            ls_objtype_map-obj_typ }|.
        ENDIF.
      ENDLOOP.
    ENDLOOP. "at plugins

* and the same for the generic plugin if exists
* have the generic plugin only as fallback
    LOOP AT lt_plugin_class INTO lv_plugin_class
        WHERE table_line = 'ZCL_ABAPGITP_OBJECT_BY_SOBJ'.
      CREATE OBJECT lo_plugin TYPE (lv_plugin_class).

      CALL METHOD lo_plugin->('GET_SUPPORTED_OBJ_TYPES')
        RECEIVING
          rt_obj_type = lt_plugin_obj_type.

      ls_objtype_map-plugin_class = lv_plugin_class.
      LOOP AT lt_plugin_obj_type INTO ls_objtype_map-obj_typ.
        INSERT ls_objtype_map INTO TABLE gt_objtype_map. "knowingly ignore the subrc
      ENDLOOP.
    ENDLOOP. "at plugins

  ENDMETHOD.


  METHOD constructor.

    DATA ls_objtype_map LIKE LINE OF gt_objtype_map.

    super->constructor( is_item = is_item
                        iv_language = zif_abapgit_definitions=>c_english ).

*    determine the responsible plugin
    READ TABLE gt_objtype_map INTO ls_objtype_map
      WITH TABLE KEY obj_typ = is_item-obj_type.
    IF sy-subrc = 0.
      CREATE OBJECT mo_plugin TYPE (ls_objtype_map-plugin_class).

      CALL METHOD mo_plugin->('SET_ITEM')
        EXPORTING
          iv_obj_type = is_item-obj_type
          iv_obj_name = is_item-obj_name.
    ELSE.
      RAISE EXCEPTION TYPE cx_sy_create_object_error
        EXPORTING
          classname = 'LCL_OBJECTS_BRIDGE'.
    ENDIF.
  ENDMETHOD.


  METHOD zif_abapgit_object~changed_by.
    rv_user = c_user_unknown. " todo
  ENDMETHOD.


  METHOD zif_abapgit_object~compare_to_remote_version.
    CREATE OBJECT ro_comparison_result TYPE zcl_abapgit_comparison_null.
  ENDMETHOD.


  METHOD zif_abapgit_object~delete.
    DATA lx_plugin TYPE REF TO cx_static_check.

    TRY.
        CALL METHOD mo_plugin->('ZIF_ABAPGITP_PLUGIN~DELETE').
      CATCH cx_static_check INTO lx_plugin.
        zcx_abapgit_exception=>raise( lx_plugin->get_text( ) ).
    ENDTRY.

  ENDMETHOD.


  METHOD zif_abapgit_object~deserialize.

    DATA: lx_plugin        TYPE REF TO cx_static_check.

    TRY.
        CALL METHOD mo_plugin->('WRAP_DESERIALIZE')
          EXPORTING
            iv_package = iv_package
            io_xml     = io_xml.
      CATCH cx_static_check INTO lx_plugin.
        zcx_abapgit_exception=>raise( lx_plugin->get_text( ) ).
    ENDTRY.
  ENDMETHOD.


  METHOD zif_abapgit_object~exists.

    CALL METHOD mo_plugin->('ZIF_ABAPGITP_PLUGIN~EXISTS')
      RECEIVING
        rv_bool = rv_bool.

  ENDMETHOD.


  METHOD zif_abapgit_object~get_metadata.

    CALL METHOD mo_plugin->('ZIF_ABAPGITP_PLUGIN~GET_METADATA')
      RECEIVING
        rs_metadata = rs_metadata.

  ENDMETHOD.


  METHOD zif_abapgit_object~has_changed_since.
    rv_changed = abap_true.
  ENDMETHOD.


  METHOD zif_abapgit_object~is_locked.

    rv_is_locked = abap_false.

  ENDMETHOD.


  METHOD zif_abapgit_object~jump.

    CALL METHOD mo_plugin->('ZIF_ABAPGITP_PLUGIN~JUMP').

  ENDMETHOD.


  METHOD zif_abapgit_object~serialize.

    CALL METHOD mo_plugin->('WRAP_SERIALIZE')
      EXPORTING
        io_xml = io_xml.

  ENDMETHOD.
ENDCLASS.
