SAP ABAP HTTP
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Contents
Ejemplo HTTP_CLIENT
Ejemplo con SOAP
*URL https://qa.sapwiki.cl:443/polosur/DLEApi.php
*NAMESPACE https://qa.sapwiki.cl/polosur/
*HOST qa.sapwiki.cl
*SOAP ACTION https://qa.sapwiki.cl/polosur/CargarDocumento
*----------------------------------------------------------------------*
* FORM http_client
*----------------------------------------------------------------------*
* basado en programa RSWF_TEST_HTTP
*----------------------------------------------------------------------*
* --> p_url Ej.: https://qa.sapwiki.cl:443/polosur/DLEApi.php
* --> p_soap String <soapenv:Envelope...</soapenv:Envelope>
* --> p_soap_action Parámetro SOAPAction:
* --> p_host Parámetro Host:
* <-- p2 text
*----------------------------------------------------------------------*
FORM http_client USING p_url
p_soap
p_soap_action
p_host
CHANGING p_subrc
p_msg
p_response.
TYPE-POOLS: swfxc, icon.
DATA: l_http_client TYPE REF TO if_http_client.
DATA: l_url TYPE string.
DATA: l_code TYPE sy-subrc.
DATA: l_code_string TYPE string.
DATA: l_message_string TYPE string.
DATA: lt_http_fields TYPE tihttpnvp.
DATA: l_http_field_wa TYPE ihttpnvp.
DATA: l_char_header(40) TYPE c.
DATA: l_body_string TYPE string.
*-----------------------------------------------------------------------
*- Create the HTTP-Client
*-----------------------------------------------------------------------
CALL METHOD cl_http_client=>create_by_url
EXPORTING
url = p_url
* PROXY_HOST = l_proxy_host
* PROXY_SERVICE = l_proxy_service
ssl_id = 'ANONYM'
IMPORTING
client = l_http_client
EXCEPTIONS
argument_not_found = 1
plugin_not_active = 2
internal_error = 3
OTHERS = 4.
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE 'S' NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4
* into l_message_string.
IF l_message_string IS INITIAL.
l_message_string = 'Error creating HTTP-Client'. "#EC NOTEXT
ENDIF.
* WRITE: / icon_red_light AS ICON.
* PERFORM print_string USING l_message_string.
p_msg = l_message_string.
p_subrc = 9.
EXIT.
ENDIF.
*--------------------------------------------------------------------*
* HEADER
*--------------------------------------------------------------------*
* CALL METHOD l_http_client->request->set_header_field
* EXPORTING
* name = '~request_method'
* value = 'POST'.
DATA(l_bytes) = strlen( p_soap ).
DATA l_content_length TYPE string.
MOVE l_bytes TO l_content_length.
CONDENSE l_content_length.
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'Accept-Encoding'
value = 'gzip,deflate'. "#EC NOTEXT
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'Content-Type'
value = 'text/xml;charset=UTF-8'. "#EC NOTEXT
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'SOAPAction'
value = p_soap_action. "#EC NOTEXT "'"https://qa.sapwiki.cl/polosur/CargarDocumento"'.
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'Host'
value = p_host. "#EC NOTEXT "'qa.sapwiki.cl'.
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'Connection'
value = 'Keep-Alive'. "#EC NOTEXT
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'User-Agent'
value = 'SAP NetWeaver Application Server (1.0;740)'. "#EC NOTEXT
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'Content-Length'
value = l_content_length. "#EC NOTEXT "'30000'.
*--------------------------------------------------------------------*
* soapenvelope
* string <soapenv:Envelope...</soapenv:Envelope>
*--------------------------------------------------------------------*
CALL METHOD l_http_client->request->set_cdata
EXPORTING
data = p_soap.
* offset = 0
* length = '19000'.
** copiado de CL_SOAP_HTTP_TPBND_ROOT=======CM01V
** provide the compression settings to the HTTP client object
** a) compress request
* IF 1 = 1. "m_compress_request EQ tsrtp_f_bdg_compress_true.
* CALL METHOD l_http_client->set_compression
* EXPORTING
* options = if_http_client=>co_compress_in_all_cases
* EXCEPTIONS
* compression_not_possible = 1. "#EC *
** ignore this exception to have the same behaviour as for clients created
** via sm59-destination: for this clients the method set_compression is
** called within the method SEND without exception handling!
* ENDIF.
*
*
** b) compress response
* IF 1 = 1 ."m_compress_response EQ tsrtp_f_bdg_compress_true.
* l_http_client->propertytype_accept_compress = if_http_client=>co_enabled.
* ELSE.
** m_client->propertytype_accept_compress = if_http_client=>co_disabled.
* ENDIF.
*
** according to RFC2612, section 10.3. (10.3.2, 10.3.3, 10.3.8)
** the HTTP client is not allowed to follow an redirect automatically
** for methods other than HEAD and GET => prevent this for WS calls
** NOTE: prevent the redirect also for PING functionalty although HEAD is
** used in this case in order to get an reliable PING-result
* l_http_client->propertytype_redirect = if_http_client=>co_disabled.
*-----------------------------------------------------------------------
*- send the http post
*-----------------------------------------------------------------------
CALL METHOD l_http_client->send
EXCEPTIONS
http_communication_failure = 1
http_invalid_state = 2.
IF sy-subrc <> 0.
* WRITE: / icon_red_light AS ICON.
CALL METHOD l_http_client->get_last_error
IMPORTING
code = l_code
message = l_message_string.
CALL METHOD l_http_client->close.
l_code_string = l_code.
CONCATENATE 'HTTP-Send: RC=' l_code_string "#EC NOTEXT
INTO l_code_string .
CONCATENATE l_code_string l_message_string
INTO l_message_string SEPARATED BY space.
* PERFORM print_string USING l_message_string.
p_msg = l_message_string.
p_subrc = 8.
EXIT.
ENDIF.
*-----------------------------------------------------------------------
*- receive the result of http post
*-----------------------------------------------------------------------
CALL METHOD l_http_client->receive
EXCEPTIONS
http_communication_failure = 1
http_invalid_state = 2.
IF sy-subrc <> 0.
* WRITE: / icon_red_light AS ICON.
CALL METHOD l_http_client->get_last_error
IMPORTING
code = l_code
message = l_message_string.
CALL METHOD l_http_client->close.
l_code_string = l_code.
CONCATENATE 'HTTP-Receive: RC=' l_code_string "#EC NOTEXT
INTO l_code_string .
CONCATENATE l_code_string l_message_string
INTO l_message_string SEPARATED BY space.
* PERFORM print_string USING l_message_string.
p_msg = l_message_string.
p_subrc = 7.
EXIT.
ENDIF.
*-----------------------------------------------------------------------
*- print the results
*-----------------------------------------------------------------------
CALL METHOD l_http_client->response->get_status
IMPORTING
code = l_code.
IF l_code < 300.
* HTTP-codes: 100 - 199 = informations
* HTTP-codes: 200 - 299 = client-request successful (200 = OK)
* WRITE: / icon_green_light AS ICON.
p_subrc = 0.
ELSE.
* HTTP-codes: 300 - 399 = redirected; further actions required
* HTTP-codes: 400 - 499 = client-request incomplete
* HTTP-codes: 500 - 599 = server errors
* WRITE: / icon_red_light AS ICON.
* IF l_code BETWEEN 300 AND 399.
* p_msg = 'Redirected; further actions required'. "#EC NOTEXT
* ELSEIF l_code BETWEEN 400 AND 499.
* p_msg = 'Client-request incomplete'. "#EC NOTEXT
* ELSE.
* p_msg = 'Server errors'. "#EC NOTEXT
* ENDIF.
*
* p_msg = |Web Service: Error { l_code } { p_msg }|. "#EC NOTEXT
p_subrc = 6.
ENDIF.
*-- get the http header fields
* CALL METHOD l_http_client->response->get_header_fields
* CHANGING
* fields = lt_http_fields.
* LOOP AT lt_http_fields INTO l_http_field_wa.
* l_char_header = l_http_field_wa-name.
* WRITE: / l_char_header.
* l_char_header = l_http_field_wa-value.
* WRITE: l_char_header.
* ENDLOOP.
* WRITE: / sy-uline.
*- get the body
IF p_subrc = 0.
l_body_string = l_http_client->response->get_cdata( ).
* PERFORM print_string USING l_body_string.
p_response = l_body_string.
ELSE.
*-- get the http header fields
CALL METHOD l_http_client->response->get_header_fields
CHANGING
fields = lt_http_fields.
LOOP AT lt_http_fields INTO l_http_field_wa.
p_msg = |Webservice: Error { l_http_field_wa-value }|.
EXIT.
ENDLOOP.
ENDIF.
ENDFORM.
Ejemplo con POST
METHOD http_client.
TYPE-POOLS: swfxc, icon.
DATA: l_http_client TYPE REF TO if_http_client.
DATA: l_url TYPE string.
DATA: l_code TYPE sy-subrc.
DATA: l_code_string TYPE string.
DATA: l_message_string TYPE string.
DATA: lt_http_fields TYPE tihttpnvp.
DATA: l_http_field_wa TYPE ihttpnvp.
DATA: l_char_header(40) TYPE c.
DATA: l_body_string TYPE string.
*-----------------------------------------------------------------------
*- Create the HTTP-Client
*-----------------------------------------------------------------------
CALL METHOD cl_http_client=>create_by_url
EXPORTING
url = i_url
* PROXY_HOST = l_proxy_host
* PROXY_SERVICE = l_proxy_service
ssl_id = 'ANONYM'
IMPORTING
client = l_http_client
EXCEPTIONS
argument_not_found = 1
plugin_not_active = 2
internal_error = 3
OTHERS = 4.
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE 'S' NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4
* into l_message_string.
IF l_message_string IS INITIAL.
l_message_string = 'Error creating HTTP-Client'. "#EC NOTEXT
ENDIF.
* WRITE: / icon_red_light AS ICON.
* PERFORM print_string USING l_message_string.
e_msg = l_message_string.
e_subrc = 9.
EXIT.
ENDIF.
*--------------------------------------------------------------------*
* HEADER
*--------------------------------------------------------------------*
* l_http_client->request->set_method( 'POST' ).
l_http_client->request->set_method( i_method ).
* l_http_client->request->set_content_type( 'application/json' ).
IF i_content_type IS NOT INITIAL.
l_http_client->request->set_content_type( i_content_type ).
ENDIF.
IF i_x_api_key IS SUPPLIED.
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = i_x_api_key
value = i_api_key. "#EC NOTEXT
ELSE.
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'X-API-KEY'
value = i_api_key. "#EC NOTEXT
ENDIF.
IF i_content_type IS NOT INITIAL.
CALL METHOD l_http_client->request->set_header_field
EXPORTING
name = 'Content-Type'
value = 'application/json'. "#EC NOTEXT
ENDIF.
*--------------------------------------------------------------------*
* soapenvelope
* string <soapenv:Envelope...</soapenv:Envelope>
*--------------------------------------------------------------------*
IF i_body IS SUPPLIED.
CALL METHOD l_http_client->request->set_cdata
EXPORTING
data = i_body.
ENDIF.
* offset = 0
* length = '19000'.
** copiado de CL_SOAP_HTTP_TPBND_ROOT=======CM01V
** provide the compression settings to the HTTP client object
** a) compress request
* IF 1 = 1. "m_compress_request EQ tsrtp_f_bdg_compress_true.
* CALL METHOD l_http_client->set_compression
* EXPORTING
* options = if_http_client=>co_compress_in_all_cases
* EXCEPTIONS
* compression_not_possible = 1. "#EC *
** ignore this exception to have the same behaviour as for clients created
** via sm59-destination: for this clients the method set_compression is
** called within the method SEND without exception handling!
* ENDIF.
*
*
** b) compress response
* IF 1 = 1 ."m_compress_response EQ tsrtp_f_bdg_compress_true.
* l_http_client->propertytype_accept_compress = if_http_client=>co_enabled.
* ELSE.
** m_client->propertytype_accept_compress = if_http_client=>co_disabled.
* ENDIF.
*
** according to RFC2612, section 10.3. (10.3.2, 10.3.3, 10.3.8)
** the HTTP client is not allowed to follow an redirect automatically
** for methods other than HEAD and GET => prevent this for WS calls
** NOTE: prevent the redirect also for PING functionalty although HEAD is
** used in this case in order to get an reliable PING-result
* l_http_client->propertytype_redirect = if_http_client=>co_disabled.
*-----------------------------------------------------------------------
*- send the http post
*-----------------------------------------------------------------------
CALL METHOD l_http_client->send
EXCEPTIONS
http_communication_failure = 1
http_invalid_state = 2.
IF sy-subrc <> 0.
* WRITE: / icon_red_light AS ICON.
CALL METHOD l_http_client->get_last_error
IMPORTING
code = l_code
message = l_message_string.
CALL METHOD l_http_client->close.
l_code_string = l_code.
CONCATENATE 'HTTP-Send: RC=' l_code_string "#EC NOTEXT
INTO l_code_string .
CONCATENATE l_code_string l_message_string
INTO l_message_string SEPARATED BY space.
* PERFORM print_string USING l_message_string.
e_msg = l_message_string.
e_subrc = 8.
EXIT.
ENDIF.
*-----------------------------------------------------------------------
*- receive the result of http post
*-----------------------------------------------------------------------
CALL METHOD l_http_client->receive
EXCEPTIONS
http_communication_failure = 1
http_invalid_state = 2.
IF sy-subrc <> 0.
* WRITE: / icon_red_light AS ICON.
CALL METHOD l_http_client->get_last_error
IMPORTING
code = l_code
message = l_message_string.
CALL METHOD l_http_client->close.
l_code_string = l_code.
CONCATENATE 'HTTP-Receive: RC=' l_code_string "#EC NOTEXT
INTO l_code_string .
CONCATENATE l_code_string l_message_string
INTO l_message_string SEPARATED BY space.
* PERFORM print_string USING l_message_string.
e_msg = l_message_string.
e_subrc = 7.
EXIT.
ENDIF.
*-----------------------------------------------------------------------
*- print the results
*-----------------------------------------------------------------------
CALL METHOD l_http_client->response->get_status
IMPORTING
code = l_code.
IF l_code < 300 OR l_code = 400. "bad request
* HTTP-codes: 100 - 199 = informations
* HTTP-codes: 200 - 299 = client-request successful (200 = OK)
* WRITE: / icon_green_light AS ICON.
e_subrc = 0.
ELSE.
* HTTP-codes: 300 - 399 = redirected; further actions required
* HTTP-codes: 400 - 499 = client-request incomplete
* HTTP-codes: 500 - 599 = server errors
* WRITE: / icon_red_light AS ICON.
* IF l_code BETWEEN 300 AND 399.
* p_msg = 'Redirected; further actions required'. "#EC NOTEXT
* ELSEIF l_code BETWEEN 400 AND 499.
* p_msg = 'Client-request incomplete'. "#EC NOTEXT
* ELSE.
* p_msg = 'Server errors'. "#EC NOTEXT
* ENDIF.
*
* p_msg = |Cloudsigner: Error { l_code } { p_msg }|. "#EC NOTEXT
e_subrc = 6.
ENDIF.
*-- get the http header fields
* CALL METHOD l_http_client->response->get_header_fields
* CHANGING
* fields = lt_http_fields.
* LOOP AT lt_http_fields INTO l_http_field_wa.
* l_char_header = l_http_field_wa-name.
* WRITE: / l_char_header.
* l_char_header = l_http_field_wa-value.
* WRITE: l_char_header.
* ENDLOOP.
* WRITE: / sy-uline.
*- get the body
IF e_subrc = 0.
l_body_string = l_http_client->response->get_cdata( ).
* PERFORM print_string USING l_body_string.
e_response = l_body_string.
ELSE.
*-- get the http header fields
CALL METHOD l_http_client->response->get_header_fields
CHANGING
fields = lt_http_fields.
LOOP AT lt_http_fields INTO l_http_field_wa.
e_msg = |Acepta: Error { l_http_field_wa-value }|.
EXIT.
ENDLOOP.
ENDIF.
ENDMETHOD.
Llamada a proxy client=
* proxy client
DATA: lo_proxy TYPE REF TO zhcm_co_si_os_carga_documento,
ls_output TYPE zhcm_mt_carga_documento,
ls_input TYPE zhcm_mt_respuesta_documento,
lo_system_ex TYPE REF TO cx_ai_system_fault,
lo_app_ex TYPE REF TO cx_ai_application_fault.
*do something
*.....
*
TRY.
* create proxy
CREATE OBJECT lo_proxy.
CALL METHOD lo_proxy->si_os_carga_documento
EXPORTING
output = ls_output
IMPORTING
input = ls_input.
CATCH cx_ai_system_fault INTO lo_system_ex.
* WRITE lo_system_ex->errortext TO msg.
* msg = lo_system_ex->if_message~get_text( ).
CATCH cx_ai_application_fault INTO lo_app_ex.
* WRITE lo_app_ex->textid TO msg.
* msg = lo_app_ex->if_message~get_text( ).
ENDTRY.
IF lo_system_ex IS NOT INITIAL.
e_message = lo_system_ex->if_message~get_text( ).
e_subrc = 1.
RETURN.
ENDIF.
IF lo_app_ex IS NOT INITIAL.
e_message = lo_app_ex->if_message~get_text( ).
e_subrc = 2.
RETURN.
ENDIF.
Notas PROXY
- SRT_UTIL tran. log de llamada proxy
- Tabla SPROXXSL : relación entre proxy & XSLT hay que concatenar /1SAI/TXS & NAME e ir a la XSLT_TOOL
- Si en llamada a proxy da error de deserialization, poner break en CL_SXMLP_DATA_ST==============CM004 línea 26
- RSSIDL_DESERIALIZE_DEMO verificar WSDL, ver nota Ver nota 1801866 - Proxy generation terminated: Incorrect value: Unknown Type Reference
- Test conexión HTML, reporte RSWF_TEST_HTTP
- LOG ICM : transacción SMICM, en menú: Pasar a -->Fichero trace-->Visualizar todo
- Configuración Proxy : transacción SICF
- Nota 2469949 - "ICF Error when creating HTTP client object by Config for URL" in Web Services ABAP
- Nota 2334940 - B2A: Troubleshooting HTTPS for communication with health insurance funds
- Nota 1714792 - Proxy generation terminated: Message must have exactly one part
- Nota 1817447 - Error "GET_BUSINESS_SYSTEM_ERROR" for Consumer Proxy calls
- Nota 2033184 - How to create Logical Port manually for a Service Consumer in SOAMANAGER [Video]
- Nota 1791729 - WDA FileUpload error: "Error when uploading; the file name is invalid or the file is too large"
- Nota 2322379 - How to create payload trace using SRT_UTIL in AS ABAP
- Nota 2368112 - Outgoing HTTPS connection does not work in AS ABAP
- Nota 2388992 - WSDL parsing error: Exception in library handler
- Nota 2508091 - Web Services ABAP: Error "Element is missing" CX_ST_GROUP_MISSING_CASE
- Nota 2553979 - SOAP Web Services ABAP - Guided Answers
