此代码示例可用于从 Cloud Storage 存储桶中检索对象的元数据。
如需查看 SAP BTP 版本的 ABAP SDK for Google Cloud 代码示例的全面集合，请参阅 GitHub 上的代码示例代码库。
如需查看本地或任何云版本的 ABAP SDK for Google Cloud 代码示例的全面集合，请参阅 GitHub 上的代码示例代码库。
代码示例
SAP BTP 版本
" --------------------------------------------------------------------
" 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.
本地或任何云版本
**********************************************************************
* 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.