Récupérer les métadonnées d'un fichier

Cet exemple de code peut être utilisé pour récupérer les métadonnées d'un objet dans un bucket Cloud Storage.

Pour obtenir une collection complète d'exemples de code pour l'édition BTP SAP du SDK ABAP pour Google Cloud, consultez le dépôt d'exemples de code sur GitHub.

Pour obtenir une collection complète d'exemples de code pour l'édition sur site ou pour une édition cloud du SDK ABAP pour Google Cloud, consultez le dépôt d'exemples de code sur GitHub.

Exemple de code

Édition SAP BTP

" --------------------------------------------------------------------
"  Copyright 2024 Google LLC                                         -
"                                                                    -
"  Licensed under the Apache License, Version 2.0 (the "License");   -
"  you may not use this file except in compliance with the License.  -
"  You may obtain a copy of the License at                           -
"      https://www.apache.org/licenses/LICENSE-2.0                   -
"  Unless required by applicable law or agreed to in writing,        -
"  software distributed under the License is distributed on an       -
"  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,      -
"  either express or implied.                                        -
"  See the License for the specific language governing permissions   -
"  and limitations under the License.                                -
" --------------------------------------------------------------------
CLASS zcl_cs_retrieve_file_metadata DEFINITION
  PUBLIC FINAL
  CREATE PUBLIC.

  PUBLIC SECTION.
    INTERFACES if_oo_adt_classrun.
ENDCLASS.


CLASS zcl_cs_retrieve_file_metadata IMPLEMENTATION.
  METHOD if_oo_adt_classrun~main.
    " Data Declarations
    DATA lv_p_bucket TYPE string.
    DATA lv_p_object TYPE string.

    TRY.
        " Open HTTP Connection
        " Pass the configured client key
        DATA(lo_client) = NEW /goog/cl_storage_v1( iv_key_name = 'CLIENT_KEY' ).

        " Populate the data that needs to be passed to the api
        " Name of the bucket
        lv_p_bucket = 'sample-bucket'.
        " Name of the object
        lv_p_object = 'sample-object'.

        " Call API method
        lo_client->get_objects( EXPORTING iv_p_bucket = lv_p_bucket
                                          iv_p_object = lv_p_object
                                IMPORTING es_output   = DATA(ls_output)
                                          ev_ret_code = DATA(lv_ret_code)
                                          ev_err_text = DATA(lv_err_text) ).

        IF lo_client->is_success( lv_ret_code ).
          out->write( 'Object metadata retrieved successfully!' ).
          out->write( |Bucket Name: { ls_output-bucket }| ).
          out->write( |Object Name: { ls_output-name }| ).
          out->write( |Content Type: { ls_output-content_type }| ).
        ELSE.
          out->write( | Error occurred: { lv_err_text }| ).
        ENDIF.

        " Close HTTP connection
        lo_client->close( ).

      CATCH /goog/cx_sdk INTO DATA(lo_sdk_excp).
        lv_err_text = lo_sdk_excp->get_text( ).
        out->write( |Exception occurred: { lv_err_text } | ).
    ENDTRY.
  ENDMETHOD.
ENDCLASS.

Sur site ou dans n'importe quelle édition cloud

**********************************************************************
*  Copyright 2023 Google LLC                                         *
*                                                                    *
*  Licensed under the Apache License, Version 2.0 (the "License");   *
*  you may not use this file except in compliance with the License.  *
*  You may obtain a copy of the License at                           *
*      https://www.apache.org/licenses/LICENSE-2.0                   *
*  Unless required by applicable law or agreed to in writing,        *
*  software distributed under the License is distributed on an       *
*  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,      *
*  either express or implied.                                        *
*  See the License for the specific language governing permissions   *
*  and limitations under the License.                                *
**********************************************************************

REPORT zr_retrieve_file_metadata.

* Data Declarations
DATA:
  lv_p_bucket TYPE string,
  lv_p_object TYPE string.

TRY.
*  Open HTTP Connection
    DATA(lo_client) = NEW /goog/cl_storage_v1( iv_key_name = 'CLIENT_KEY' ).

*  Populate the data that needs to be passed to the api
    "Name of the bucket
    lv_p_bucket       = 'sample-bucket'.
    "Name of the object
    lv_p_object        = 'sample-object'.

*     Call API method
    CALL METHOD lo_client->get_objects
      EXPORTING
        iv_p_bucket = lv_p_bucket
        iv_p_object = lv_p_object
      IMPORTING
        es_output   = DATA(ls_output)
        ev_ret_code = DATA(lv_ret_code)
        ev_err_text = DATA(lv_err_text).

    IF lo_client->is_success( lv_ret_code ).
      MESSAGE 'Object metadata retrieved successfully!' TYPE 'S'.
      WRITE: 'Bucket Name:', ls_output-bucket.
      WRITE:/ 'Object Name:', ls_output-name.
      WRITE:/ 'Content Type:', ls_output-content_type.
    ELSE.
      MESSAGE lv_err_text TYPE 'E'.
    ENDIF.
*   Close HTTP connection
    lo_client->close( ).

  CATCH /goog/cx_sdk INTO DATA(lo_exception).
    MESSAGE lo_exception->get_text( ) TYPE 'E'.
ENDTRY.