Manual HTTP POST from ABAP

I'm trying to use a kind of botched web service implementation that doesn't come with a WSDL file - so, no generated proxy for me to use. It also needs me to send an XML file via an HTTP POST - not in a SOAP envelope. This presents a problem for me - understandably, this isn't part of WebAS 6.40's web services stuff.
Does anyone know of a way of manually posting something via HTTP in ABAP? I'm sure there must be some function module or class that exposes that functionality - I just can't find it! Any ideas anyone?

Hi,
You can get some idea from following code for your requirment
DATA: WA_DATA TYPE TSRCLIN,
      WA_RESULT TYPE TY_XML,
      WA_INV_REP TYPE TY_INV_REP,
      T_INV_REP TYPE TABLE OF TY_INV_REP,
      WA_ICA_REC_REP TYPE TY_ICA_REC_REP,
      T_ICA_REC_REP TYPE TABLE OF TY_ICA_REC_REP,
      T_RESULT TYPE T_XML,
      SOURCE_ITAB TYPE ABAP_TRANS_SRCBIND_TAB,
      SOURCE_WA   TYPE ABAP_TRANS_SRCBIND,
      WA_ZTICAUSER TYPE ZTICAUSER.
DATA: XSLTP TYPE REF TO CL_XSLT_PROCESSOR,
      G_IXML TYPE REF TO IF_IXML,
      G_STREAM_FACTORY TYPE REF TO IF_IXML_STREAM_FACTORY,
      G_ENCODING TYPE REF TO IF_IXML_ENCODING,
      RESSTR TYPE REF TO IF_IXML_OSTREAM,
      HTTP_CLIENT TYPE REF TO IF_HTTP_CLIENT .
DATA: SURL TYPE STRING.
DATA: WF_PROXY TYPE STRING ,
      WF_PORT TYPE STRING,
      WF_USER TYPE STRING,
      WF_PASSWORD TYPE STRING,
      RLENGTH TYPE I,
      R_CODE TYPE SY-SUBRC,
      USERID1 TYPE CHAR32.
CONSTANTS: ENCODING     TYPE STRING VALUE 'UTF-8',
           C_COMMA(1)               VALUE ',',
           C_AP(2)                  VALUE 'AP',
           C_AR(2)                  VALUE 'AR',
           C_CF(2)                  VALUE 'CF',
    CONV->READ( IMPORTING DATA = XMLSTRING LEN = LEN ).
    SPLIT XMLSTRING AT CL_ABAP_CHAR_UTILITIES=>CR_LF INTO TABLE T_DATA.
* Read Header Information
    READ TABLE T_DATA INDEX 1 INTO WA_DATA.
    SPLIT WA_DATA AT C_COMMA INTO DUMMY SOURCE_SYSTEM_ID DUMMY1.
    TRANSLATE DUMMY TO UPPER CASE.
    CONDENSE DUMMY.
    IF DUMMY <> 'SOURCE SYSTEM ID' OR SOURCE_SYSTEM_ID IS INITIAL.
      STRERROR = C_ERROR6.
    ELSE.
      DELETE T_DATA INDEX 1.
    ENDIF.
    CHECK STRERROR IS INITIAL.
    READ TABLE T_DATA INDEX 1 INTO WA_DATA.
    SPLIT WA_DATA AT C_COMMA INTO DUMMY DATE DUMMY1.
    TRANSLATE DUMMY TO UPPER CASE.
    CONDENSE DUMMY.
    IF DUMMY <> 'DATE' OR DATE IS INITIAL.
      STRERROR = C_ERROR6.
    ELSE.
      DELETE T_DATA INDEX 1.
    ENDIF.
    CHECK STRERROR IS INITIAL.
    READ TABLE T_DATA INDEX 1 INTO WA_DATA.
    SPLIT WA_DATA AT C_COMMA INTO DUMMY TIME DUMMY1.
    TRANSLATE DUMMY TO UPPER CASE.
    CONDENSE DUMMY.
    IF DUMMY <> 'TIME' OR TIME IS INITIAL.
      STRERROR = C_ERROR6.
    ELSE.
      DELETE T_DATA INDEX 1.
    ENDIF.
    CHECK STRERROR IS INITIAL.
    READ TABLE T_DATA INDEX 1 INTO WA_DATA.
    SPLIT WA_DATA AT C_COMMA INTO DUMMY CREATED_BY DUMMY1.
    TRANSLATE DUMMY TO UPPER CASE.
    CONDENSE DUMMY.
    IF DUMMY <> 'CREATED BY' OR CREATED_BY IS INITIAL.
      STRERROR = C_ERROR6.
    ELSE.
      DELETE T_DATA INDEX 1.
    ENDIF.
    CHECK STRERROR IS INITIAL.
    READ TABLE T_DATA INDEX 1 INTO WA_DATA.
    SPLIT WA_DATA AT C_COMMA INTO DUMMY TYPE DUMMY1.
    TRANSLATE DUMMY TO UPPER CASE.
    CONDENSE DUMMY.
    IF DUMMY <> 'TYPE' OR TYPE IS INITIAL.
      STRERROR = C_ERROR6.
    ELSE.
      CONDENSE TYPE.
      L_TYPE1 = REPGRP.
      L_TYPE2 = TYPE.
      TRANSLATE L_TYPE1 TO UPPER CASE.
      CONDENSE L_TYPE1.
      TRANSLATE L_TYPE2 TO UPPER CASE.
      CONDENSE L_TYPE2.
      IF L_TYPE1 NE L_TYPE2.
        IF L_TYPE2 = C_AP.
          CONCATENATE C_ERROR1_AP C_ERROR1
                      INTO STRERROR SEPARATED BY SPACE.
        ELSEIF L_TYPE2 = C_AR.
          CONCATENATE C_ERROR1_AR C_ERROR1
                      INTO STRERROR SEPARATED BY SPACE.
        ELSEIF L_TYPE2 = C_CF.
          CONCATENATE C_ERROR1_CF C_ERROR1
                      INTO STRERROR SEPARATED BY SPACE.
        ENDIF.
      ENDIF.
      DELETE T_DATA INDEX 1.
    ENDIF.
    CHECK STRERROR IS INITIAL.
    DELETE T_DATA INDEX 1.
    LOOP AT T_DATA INTO WA_DATA.
      SPLIT WA_DATA AT ',' INTO WA_RESULT-FITF
                                WA_RESULT-COUNTERPARTYFITF
                                WA_RESULT-FUCA
                                WA_RESULT-COUNTERPARTYFUCA
                                WA_RESULT-RECONCILIATIONACCOUNT
                                WA_RESULT-INDICATORCUSTOMERVENDOR
                                WA_RESULT-INVOICENUMBER
                                WA_RESULT-DOCUMENTDATE
                                WA_RESULT-POSTINGDATE
                                WA_RESULT-DUEDATE
                                WA_RESULT-INVOICEAMOUNT
                                WA_RESULT-INVOICECURRENCY
                                WA_RESULT-REPORTINGAMOUNT
                                WA_RESULT-REPORTINGCURRENCY
                                WA_RESULT-INDICATOR
                                WA_RESULT-CREATIONDATE
                                WA_RESULT-CLEARINGDATE.
* Validation of the Structure.
      WA_RESULT-SOURCESYSTEM = SOURCE_SYSTEM_ID.
      APPEND WA_RESULT TO T_RESULT.
      WA_INV_REP-INVOICEREPORT = WA_RESULT.
      WA_ICA_REC_REP-ICARECONCILIATIONREPORT = WA_INV_REP.
      WA_ICA_REC_REP-REPGRP = REPGRP.
      WA_ICA_REC_REP-NAMESPACE = C_STR.
      APPEND WA_ICA_REC_REP TO T_ICA_REC_REP.
    ENDLOOP.
    TRY.
        CREATE OBJECT XSLTP.
      CATCH CX_XSLT_EXCEPTION.
    ENDTRY.
    G_IXML = CL_IXML=>CREATE( ).
    G_STREAM_FACTORY = G_IXML->CREATE_STREAM_FACTORY( ).
****Create an Endcoding and Byte Order
    G_ENCODING = G_IXML->CREATE_ENCODING( CHARACTER_SET = ENCODING
      BYTE_ORDER = 0 ).
*****Create Output Stream
    RESSTR =
        G_STREAM_FACTORY->CREATE_OSTREAM_XSTRING( CONTENT ).
****Set the Encoding into a stream
    RESSTR->SET_ENCODING( ENCODING = G_ENCODING ).
* Prepare for Transformation
    SOURCE_WA-NAME = 'BSPXML'.
    GET REFERENCE OF T_ICA_REC_REP INTO SOURCE_WA-VALUE.
    APPEND SOURCE_WA TO SOURCE_ITAB.
    CLEAR XMLSTRING.
    CALL TRANSFORMATION Z_BSP_XSLT
    SOURCE (SOURCE_ITAB)
    RESULT XML XMLSTRING.
    IF SY-SUBRC <> 0.
      STRERROR = C_ERROR3.
    ENDIF.
    DATA: X1 TYPE STRING,
          X2 TYPE STRING.
* Change encoding from UTF-16 to UTF-8
    SPLIT XMLSTRING AT 'utf-16' INTO X1 X2.
    CLEAR XMLSTRING.
    CONCATENATE X1 'UTF-8' X2 INTO XMLSTRING.
    select single * into WA_ZTICAUSER
    from ZTICAUSER.
    if sy-subrc <> 0.
      clear WA_ZTICAUSER.
    endif.
SURL = 'http://XXXXXYYYYY:8050/sap/xi/adapter_plain?'.
    CONCATENATE SURL
     'namespace=' 'http%3A//XXXX.com/corp/sapbw/fi/ica/xi111fn1'
                '&interface=' 'IOA_ICA_ReconciliationReport'
                '&service=' 'Send_ICA_ReconciliationReport'
                '&party=' 'ICA_ManualUpload'
                '&agency='
                '&scheme='
                '&QOS=EO&sap-user=' WA_ZTICAUSER-USERID
                '&sap-password=' WA_ZTICAUSER-PTEXT
                '&sap-client=' '060'
                '&sap-language=EN'
                INTO SURL.
* Test of XML file.
*    navigation->set_parameter( name = 'xmlstring'
*                               value = xmlstring ).
*    navigation->goto_page( 'XMLTest.xml' ).
* Navigation Code
    RLENGTH = STRLEN( XMLSTRING ).
    CL_HTTP_CLIENT=>CREATE_BY_URL( EXPORTING URL    = SURL
                               IMPORTING CLIENT = HTTP_CLIENT ).
    CALL METHOD HTTP_CLIENT->REQUEST->SET_HEADER_FIELD
      EXPORTING
        NAME = 'Content-Type'
        VALUE = 'text/xml; charset=utf-8'.
    CALL METHOD HTTP_CLIENT->REQUEST->SET_HEADER_FIELD
      EXPORTING
        NAME = '~request_method'
        VALUE = 'POST'.
    CALL METHOD HTTP_CLIENT->REQUEST->SET_CDATA
      EXPORTING
        DATA   = XMLSTRING
        OFFSET = 0
        LENGTH = RLENGTH.
    HTTP_CLIENT->SEND( ).
    HTTP_CLIENT->RECEIVE( ).
    HTTP_CLIENT->RESPONSE->GET_STATUS( IMPORTING CODE = RLENGTH ).
    XMLSTRING = HTTP_CLIENT->RESPONSE->GET_CDATA( ).
    HTTP_CLIENT->CLOSE( ).
    IF RLENGTH = '200'.
      STRERROR = C_SUCCESS.
* Update the information into the Table
      TRANSLATE SOURCE_SYSTEM_ID TO UPPER CASE.
      CONDENSE SOURCE_SYSTEM_ID.
      USERID1 = USERID.
      TRANSLATE USERID1 TO UPPER CASE.
      CONDENSE USERID1.
      CALL FUNCTION 'ZFM_BSP_ICA_UPLOAD'
        EXPORTING
          IV_SOURCE      = SOURCE_SYSTEM_ID
          IV_USERID      = USERID1
          IV_TYPE        = TYPE
*          IV_UPLOAD_DATE = SY-DATUM
*          IV_UPLOAD_TIME = SY-UZEIT
        IMPORTING
          R_CODE         = R_CODE.
    ELSE.
      STRERROR = C_ERROR4.
    ENDIF.
ENDIF.
ENDIF.
Message was edited by: Mandar Shete

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      name = '~request_uri'
      value = L_POST_URI.
CALL METHOD http_client->request->set_header_field
    EXPORTING
      name = 'Content-Type'
      value = 'text/xml; charset=utf-8'.
CALL METHOD http_client->request->set_header_field
    EXPORTING
      name = 'Content-Length'
      value = txlen.

Hi Tony,
You need to go through multiple steps.
1) Creation of Scenario in XI ( Integration Repository)
     First create datatype which will represent the data that is to be passed to URL. Then message type, message interface, message mapping, Interface mapping.
2) Creation of Directory scenario ( Integration Directory)
     Need to create Communication channel using either SOAP adapter or HTTP adapter as you need to pass the data to url.
3) Proxy:
   Once you create first step then structure will be available in proxy ( SPROXY transaction) . There you will need to call method for outbound proxy.
For above mentioned steps you can search in SDN which will guide you to multiple helping thread.

How to call external http client from abap system

Hi All,
I have browsed through sdn and google but not found any helpful document ,
Here my requirement is to call external http client from ecc ,
Pl suggest..,
Regards,
Lokeswar .

Hi Deepak,
I have followed the below Reference links :
Example Program: Executing an HTTP Request - Components of SAP Communication Technology - SAP Library
http://scn.sap.com/thread/2035765
but while executing get http responce i'm facing 'HTTP_COMMUNICATION_FAILURE' error
    CALL METHOD L_HTTP_CLIENT->RECEIVE
      EXCEPTIONS
        HTTP_COMMUNICATION_FAILURE = 1
        HTTP_INVALID_STATE         = 2
        HTTP_PROCESSING_FAILED     = 3.
Pl suggest ,

How to send a http-request from abap?

I want to send a xml file through a http-request ,what should i do?

Welcome to SDN
you can use cl_http_client class to do that. search the abap general forum with key word cl_http_client and you will find lot of examples.
Regards
Raja

Remove charset=utf-8 from HTTP POST

I'm trying to do a HTTP POST via ABAP. The application that I'm posting to does not like the "charset=utf-8" that is in the request. I've been told that I need to remove it. Does anyone know how to do this? I'm not setting this field. SAP is adding this charset automatically.
Here is the request:
POST /hapld/tos/kdwhapltos HTTP/1.1
content-type: multipart/mixed; boundary=BOUNDARY; charset=utf-8
content-length: 2018
host: www.pld-certify.ups.com
user-agent: SAP Web Application Server (1.0;700)
accept-encoding: gzip
sap-trace: 3
--BOUNDARY
Content-type: application/x-www-form-urlencoded
Content-length: 128
AppVersion=1.0&AcceptUPSLicenseAgreement=Yes&ResponseType=application/x-ups-pld&VersionNumber=V4R1&UserId=xxxxxx&Password=xxxxxx
--BOUNDARY
Content-type: application/x-ups-binary
Content-length: 1396
020093 2010071800000006852703500   000000002*AA296007......etc
BOUNDARY
Here is my code:
CALL METHOD cl_http_client=>create
    EXPORTING
      host          = POST_HOST
      service       = '443'
      scheme        = '2'
      ssl_id        = 'ANONYM'
   proxy_host    = wf_proxy
   proxy_service = wf_port
    IMPORTING
      client        = http_client.
http_client->propertytype_logon_popup = http_client->co_disabled.
wf_user = '' .
wf_password = '' .
data: lv_value type string.
CALL METHOD http_client->request->set_header_field
    EXPORTING
      name = '~request_method'
      value = 'POST'.
CALL METHOD http_client->request->set_header_field
    EXPORTING
      name = '~request_protocol'
      value = 'HTTP/1.1'.
CALL METHOD http_client->request->set_header_field( name = '~server_protocol' value = 'HTTP/1.1' ).
CALL METHOD http_client->request->set_header_field
    EXPORTING
      name = 'HOST'
      value = POST_HOST.
CALL METHOD http_client->request->set_header_field
    EXPORTING
      name = '~request_uri'
      value = POST_URI.
CALL METHOD http_client->request->set_content_type
    EXPORTING
      content_type = 'multipart/mixed; boundary=BOUNDARY'.
CALL METHOD http_client->REQUEST->SET_HEADER_FIELD
    EXPORTING
      NAME = 'Accept-Charset'
      VALUE = 'ISO-8859-1,utf-8;q=0.7,*;q=0.7'.
CALL METHOD http_client->request->SET_FORMFIELD_ENCODING
    EXPORTING
      FORMFIELD_ENCODING = http_client->request->CO_ENCODING_URL.
CALL METHOD http_client->request->set_cdata
    EXPORTING
      data   = wf_string
      offset = 0
      length = rlength.
CALL METHOD http_client->send
    EXCEPTIONS
      http_communication_failure = 1
      http_invalid_state         = 2.
CALL METHOD http_client->receive
    EXCEPTIONS
      http_communication_failure = 1
      http_invalid_state         = 2
      http_processing_failed     = 3.
CLEAR wf_string1 .
wf_string1 = http_client->response->get_cdata( ).

Hi,
I had a similar problem and could resolve it by using APPEND_DATA instead of APPEND_CDATA. Likewise, SET_DATA instead of SET_CDATA might solve the issue for you. The data has to be provided as binary data then.
Regards,
Stefan

HTTP post data from the Oracle database to another web server

Hi ,
I have searched the forum and the net on this. And yes I have followed the links
http://awads.net/wp/2005/11/30/http-post-from-inside-oracle/
http://manib.wordpress.com/2007/12/03/utl_http/
and Eddie Awad's Blog on the same topic. I was successful in calling the servlet but I keep getting errors.
I am using Oracle 10 g and My servlet is part of a ADF BC JSF application.
My requirement is that I have blob table in another DB and our Oracle Forms application based on another DB has to view the documents . Viewing blobs over dblinks is not possible. So Option 1 is to call a procedure passing the doc_blob_id parameter and call the web server passing the parameters.
The errors I am getting is:
First the parameters passed returned null. and
2. Since my servlet directly downloads the document on the response outputStream, gives this error.
'com.evermind.server.http.HttpIOException: An established connection was aborted by the software in your host machine'
Any help please. I am running out of time.
Thanks

user10264958 wrote:
My requirement is that I have blob table in another DB and our Oracle Forms application based on another DB has to view the documents . Viewing blobs over dblinks is not possible. Incorrect. You can use remote LOBs via a database link. However, you cannot use a local LOB variable (called a LOB <i>locator</i>) to reference a remote LOB. A LOB variable/locator is a pointer - that pointer cannot reference a LOB that resides on a remote server. So simply do not use a LOB variable locally as it cannot reference a remote LOB.
Instead provide a remote interface that can deal with that LOB remotely, dereference that pointer on the remote system, and pass the actual contents being pointed at, to the local database.
The following demonstrates the basic approach. How one designs and implements the actual remote interface, need to be decided taking existing requirements into consideration. I simply used a very basic wrapper function.
SQL> --// we create a database link to our own database as it is easier for demonstration purposes
SQL> create database link remote_db connect to scott identified by tiger using
2 '(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=127.0.0.1)(PORT=1521))(CONNECT_DATA=(SID=dev)(SERVER=dedicated)))';
Database link created.
SQL> --// we create a table with a CLOB that we will access via this db link
SQL> create table xml_files( file_id number, xml_file clob );
Table created.
SQL> insert into xml_files values( 1, '<root><text>What do you want, universe?</text></root>' );
1 row created.
SQL> commit;
Commit complete.
SQL> --// a local select against the table works fine
SQL> select x.*, length(xml_file) as "SIZE" from xml_files x;
   FILE_ID XML_FILE                                                                                SIZE
         1 <root><text>What do you want, universe?</text></root>                                    53
SQL> --// a remote select against the table fails as we cannot use remote pointers/locators
SQL> select * from xml_files@remote_db x;
ERROR:
ORA-22992: cannot use LOB locators selected from remote tables
no rows selected
SQL> //-- we create an interface on the remote db to deal with the pointer for us
SQL> create or replace function ReturnXMLFile( fileID number, offset integer, amount integer ) return varchar2 is
2          buffer varchar2(32767);
3 begin
4          select
5                  DBMS_LOB.SubStr( x.xml_file, amount, offset )
6                          into
7                  buffer
8          from    xml_files x
9          where   x.file_id = fileID;
10
11          return( buffer );
12 end;
13 /
Function created.
SQL> --// we now can access the contents of the remote LOB (only in 4000 char chunks using this example)
SQL> select
2          file_id,
3          ReturnXMLFile@remote_db( x.file_id, 1, 4000 ) as "Chunk_1"
4 from       xml_files@remote_db x;
   FILE_ID Chunk_1
         1 <root><text>What do you want, universe?</text></root>
SQL> --// we can also copy the entire remote LOB across into a local LOB and use the local one
SQL> declare
2          c               clob;
3          pos             integer;
4          iterations      integer;
5          buf             varchar2(20);   --// small buffer for demonstration purposes only
6 begin
7          DBMS_LOB.CreateTemporary( c, true );
8
9          pos := 1;
10          iterations := 1;
11          loop
12                  buf := ReturnXMLFile@remote_db( 1, pos, 20 );
13                  exit when buf is null;
14                  pos := pos + length(buf);
15                  iterations := iterations + 1;
16                  DBMS_LOB.WriteAppend( c, length(buf), buf );
17          end loop;
18
19          DBMS_OUTPUT.put_line( 'Copied '||length(c)||' byte(s) from remote LOB' );
20          DBMS_OUTPUT.put_line( 'Read Iterations: '||iterations );
21          DBMS_OUTPUT.put_line( 'LOB contents (1-4000):'|| DBMS_LOB.SubStr(c,4000,1) );
22
23          DBMS_LOB.FreeTemporary( c );
24 end;
25 /
Copied 53 byte(s) from remote LOB
Read Iterations: 4
LOB contents (1-4000):<root><text>What do you want, universe?</text></root>
PL/SQL procedure successfully completed.
SQL> The concern is the size of the LOB. It does not always make sense to access the entire LOB in the database. What if that LOB is a 100GB in size? Irrespective of how you do it, selecting that LOB column from that table will require a 100GB of data to be transferred from the database to your client.
So you need to decide WHY you want the LOB on the client (which will be the local PL/SQL code in case of dealing with a LOB on a remote database)? Do you need the entire LOB? Do you need a specific piece from it? Do you need the database to first parse that LOB into a more structured data struct and then pass specific information from that struct to you? Etc.
The bottom line however is that you can use remote LOBs. Simply that you cannot use a local pointer variable to point and dereference a remote LOB.

Calling HTTP from ABAP

Hi ,
I want to call HTTP link from ABAP. On initial research , I found that I can do the task in 2 ways:---
1. by using class cl_http_client,
2. by using program RSHTTP20 .
Is it the correct information I got.
Out of the 2 methods, which method can I prefer and what are d pros and cons of the above methods?
Please help.
Thanks,
Shivaa...

Hi All,
I have a problem to pass a file.txt in a parameter of a web service.
Iam using CL_HTTP_CLIENT and I am passing the parameters (user, password and file):
clear wa_form.
wa_form-name = 'user'.
wa_form-value = '33333333333'.
append wa_form to it_form.
clear wa_form.
wa_form-name = 'password'.
wa_form-value = '11111111'.
append wa_form to it_form.
clear wa_form.
wa_form-name = 'file'.
wa_form-value = data. ---> "data" is a type string with the data of the file.txt.
append wa_form to it_form.
r_client->request->set_form_fields( fields = it_form ).
I have not problem with the user and password parameters.
Thank.

Call http url in Abap - Should not open Browser

Hi Friends,
I have a requirement where i need to check whether a perticular http service is running or not. For that i need a some code to call http url from abap and it should not open the browser. If that perticular url is not found or time out then i should know that in program...
Is there any way to do that..

just run the following url (after changing the values for host,etc) from browser
http://<abaphost>.<domain>.com:<port>/sap/public/ping
to get the values for http://<abaphost>.<domain>.com:<port> just go to transaction se80 and choose bsp application option and choose any existing bsp application and then doubl click on a page. on the right side click on the attributes tab and at the end you can find the url
Regards
Raja

Manual HTTP POST from ABAP

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