Dynamic XSLT Transformation for ABAP

Hi Team,
I have a simple requirement, but could not get it to work. Tried different posts but need some help.
I have an input XML file as follows:
<ITEM>
   <ITEMQUALF>
   <MATERIAL>
   <UPC>
   <VENDORMATERIAL>
<ITEM>
I created my internal table with the exact fields as above and created a transformation which works fine. The problem is, there are scenario's where only one tag "MATERIAL", "UPC", OR "VENDORMATERIAL" is passed in the input XML. Empty tags are not passed. For E.G.
<ITEM>
<ITEMQUALF>
<UPC>
<ITEM>
My transformation fails in this scenario because it does not finds the MATERIAL and VENDORMATERIAL tags. I tried using the <tt:cond/> tag, but no luck. I have some specific questions:
1) How to take care of this scenario where empty tags are not passed? (I have the Superset of all the Tags available in an XSD). A quick Sample would help me a lot because I have spent weeks breaking my head with this.
2) Is there any other method or Option to parse a very larger input file (~40 MB) as above? I have seen the iXML ABAP methods but don't know if we should use XSLT or iXML or is there any other method. We don't have XI in our landscape. Our system is ECC 6.0, ABAP 7.0 - SP 17, Enhancement Pack 3.
Any pointers would help a lot. Thanks for your time.
Regards
Sanjay

Hello Sanjay
In such a scenario I usually make pre-transformation filling the missing elements before the main mapping.
Input:
<?xml version="1.0" encoding="utf-8"?>
<List>
<ITEM>
    <ITEMQUALF/>
    <MATERIAL/>
    <UPC/>
    <VENDORMATERIAL/>
</ITEM>
<ITEM>
    <ITEMQUALF/>
    <UPC/>
</ITEM>
<ITEM>
    <MATERIAL/>
</ITEM>
</List>
XSLT Mapping (XML to XML):
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
    <xsl:template match="*">
        <List>
            <xsl:for-each select="ITEM">
                <xsl:element name="ITEM">
                    <xsl:element name="ITEMQUALF">
                        <xsl:value-of select="ITEMQUALF"/>
                    </xsl:element>
                    <xsl:element name="MATERIAL">
                        <xsl:value-of select="MATERIAL"/>
                    </xsl:element>
                    <xsl:element name="UPC">
                        <xsl:value-of select="UPC"/>
                    </xsl:element>
                    <xsl:element name="VENDORMATERIAL">
                        <xsl:value-of select="VENDORMATERIAL"/>
                    </xsl:element>
                </xsl:element>
            </xsl:for-each>
        </List>
    </xsl:template>
</xsl:stylesheet>
Resulting XML:
<?xml version="1.0" encoding="UTF-8"?>
<List>
    <ITEM>
        <ITEMQUALF/>
        <MATERIAL/>
        <UPC/>
        <VENDORMATERIAL/>
    </ITEM>
    <ITEM>
        <ITEMQUALF/>
        <MATERIAL/>
        <UPC/>
        <VENDORMATERIAL/>
    </ITEM>
    <ITEM>
        <ITEMQUALF/>
        <MATERIAL/>
        <UPC/>
        <VENDORMATERIAL/>
    </ITEM>
</List>
Regards
Uwe

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                <xsl:value-of select="LongitudeSeconds"/>
              </LONGITUDESECONDS>
              <LONGITUDEEPERW>
                <xsl:value-of select="LongitudeEperW"/>
              </LONGITUDEEPERW>
            </OUTTAB1>
          </xsl:for-each>
        </OUTTAB>
      </asx:values>
    </asx:abap>
</xsl:template>
</xsl:stylesheet>
<b>just create a type 1 program and paste the below given code.</b>
report y_consume_webservice .
data: wf_user type string .
data: wf_password type string .
types: begin of outtab1 ,
   airportcode(6) ,
   cityofairportname(50),
   country(30) ,
   countryabbrivation(10),
   countrycode(6) ,
   gmtoffset(10) ,
   runwaylengthfeet(15),
   runwayelevationfeet(15),
   latitudedegree(10) ,
   latitudeminute(10) ,
   latitudesecond(10) ,
   latitudenpeers(10) ,
   longitudedegree(10) ,
   longitudeminute(10) ,
   longitudeseconds(10) ,
   longitudeeperw(10) ,
   end of outtab1 .
data: outtab type table of outtab1.
data: wf_o like line of outtab .
data: g_okcode like sy-ucomm .
data: my_container   type ref to cl_gui_custom_container .
data: g_dock type ref to cl_gui_docking_container .
data: mygrid type ref to cl_gui_alv_grid .
data: wf_field_cat type lvc_t_fcat .
data: wf_field_cat_wa like line of wf_field_cat ,
      wf_is_layout type lvc_s_layo .
data: wf_fld_cat type slis_t_fieldcat_alv .
data: wf_fld_cat_wa like line of wf_fld_cat .
data: wf_repid like sy-repid .
data: int_tab_name type slis_tabname .
data: xslt_err type ref to cx_xslt_exception .
constants:
* encoding for download of XML files
encoding     type string value 'utf-8' .
data: rlength type i,
      txlen type string .
data: http_client type ref to if_http_client .
data: wf_string type string .
data: wf_string1 type string .
data: wf_proxy type string ,
      wf_port type string .
selection-screen: begin of block a with frame .
parameters: uri2(132) type c lower case .
selection-screen skip 1.
parameters: user(50) lower case,
            password(50) lower case ,
            p_proxy(100) lower case default 'proxy.xxx.com' ,
            p_port(4) default '80'.
selection-screen: end of block a .
at selection-screen output.
loop at screen.
    if screen-name = 'PASSWORD'.
      screen-invisible = '1'.
      modify screen.
    endif.
endloop.
start-of-selection .
clear wf_string .
concatenate
'<?xml version="1.0" encoding="utf-8"?>'
'<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">'
'<soap:Body>'
'<GetAirportInformationByCountry xmlns="http://www.webserviceX.NET">'
'<country>' uri2 '</country>'
'</GetAirportInformationByCountry>'
'</soap:Body>'
'</soap:Envelope>'
into wf_string .
clear :rlength , txlen .
rlength = strlen( wf_string ) .
move: rlength to txlen .
clear: wf_proxy, wf_port .
move: p_proxy to wf_proxy ,
      p_port to wf_port .
call method cl_http_client=>create
exporting
    host          = 'www.webservicex.net'
    service       = '80'
    scheme        = '1'
    proxy_host    = wf_proxy
    proxy_service = wf_port
importing
    client        = http_client.
http_client->propertytype_logon_popup = http_client->co_disabled.
wf_user = user .
wf_password = password .
call method http_client->authenticate
exporting
    proxy_authentication = 'X'
    username             = wf_user
    password             = wf_password.
call method http_client->request->set_header_field
exporting
    name = '~request_method'
    value = 'POST'.
call method http_client->request->set_header_field
exporting
    name = '~server_protocol'
    value = 'HTTP/1.1'.
call method http_client->request->set_header_field
exporting
    name = '~request_uri'
    value = '/airport.asmx'.
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.
call method http_client->request->set_header_field
exporting
    name = 'SOAPAction'
    value = 'http://www.webserviceX.NET/GetAirportInformationByCountry'.
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( ).
replace all occurrences of
    '<' in wf_string1 with '<' .
replace all occurrences of
'>' in wf_string1 with '>' .
replace all occurrences of
'xmlns=' in wf_string1 with 'xmlns:xsl=' .
try .
    call transformation (`Y_TEST`)
            source xml wf_string1
            result     outtab = outtab.
catch cx_xslt_exception into xslt_err.
    data: s type string.
    s = xslt_err->get_text( ).
    write: ': ', s.
    stop.
endtry .
break-point .
Try this and give me your feedback.
Regards
Raja

ABAP XSLT transformation - XML to deep structure/nested standard table

Hi all,
I was struggling with this topic recently and couldn't find a single working example or description of a possible solution. So now that I've sorted it out, I did a quick example to elustrate how it works. Here is the code with XML embeded in it and the XSLT follows:
<HR>
<PRE>
*& Report Z_XML2ABAP
*& Author: Jayanta Roy
*& Date: 03/02/2010
REPORT z_xml2abap.
DATA input_xml TYPE string.
TYPES: BEGIN OF t_address,
        house_no TYPE string,
        street_name TYPE string,
        city_name TYPE string,
        phone_no TYPE string,
      END OF t_address.
TYPES: t_addresses TYPE STANDARD TABLE OF t_address with NON-UNIQUE KEY house_no.
TYPES: BEGIN OF t_person,
        firstname TYPE string,
        surname TYPE string,
        addresses TYPE t_addresses,
      END OF t_person.
input_xml = '<Friends>' &&
'<People>' &&
    '<FirstName>Homer</FirstName>' &&
    '<Surname>Simpson</Surname>' &&
      '<Address>' &&
        '<HouseNo>123</HouseNo>' &&
        '<Street>Evergreen Terrace</Street>' &&
        '<City>Springfield</City>' &&
        '<PhoneNo>011212321</PhoneNo>' &&
      '</Address>' &&
      '<Address>' &&
        '<HouseNo>7G</HouseNo>' &&
        '<Street>Neuclear Power Plant</Street>' &&
        '<City>Spring Field</City>' &&
        '<PhoneNo>911</PhoneNo>' &&
      '</Address>' &&
'</People>' &&
'<People>' &&
     '<FirstName>Bart</FirstName>' &&
     '<Surname>Simpson</Surname>' &&
       '<Address>' &&
         '<HouseNo>123x</HouseNo>' &&
         '<Street>Evergreen Terracex</Street>' &&
         '<City>Springfieldx</City>' &&
         '<PhoneNo>011212321x</PhoneNo>' &&
       '</Address>' &&
   '</People>' &&
'</Friends>' .
DATA lt_person TYPE STANDARD TABLE OF t_person.
TRY.
    CALL TRANSFORMATION xslt_person
    SOURCE XML input_xml
    RESULT all_people = lt_person.
CATCH cx_root.
    WRITE 'Problemo!'.
ENDTRY.
WRITE 'Now, debug the program to see the values read from the XML'.
</PRE>
<HR>
and here is the XSLT Transformation program (xslt_person):
<HR>
<PRE>
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                    xmlns:sap="http://www.sap.com/sapxsl" version="1.0">
<xsl:strip-space elements="*"/>
<xsl:template match="/">
    <asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0">
      <asx:values>
        <ALL_PEOPLE>
          <xsl:apply-templates select="//People"/>
        </ALL_PEOPLE>
      </asx:values>
    </asx:abap>
</xsl:template>
<xsl:template match="People">
    <ALLMYFRIENDS> <!This element name is not relevent... needed to just group the loop>
      <FIRSTNAME>
        <xsl:value-of select="FirstName"/>
      </FIRSTNAME>
      <SURNAME>
        <xsl:value-of select="Surname"/>
      </SURNAME>
      <ADDRESSES>
        <xsl:for-each select="Address">
          <ADDRESS> <!This element name is not relevent... needed to just group the loop>
            <HOUSE_NO>
              <xsl:value-of select="HouseNo"/>
            </HOUSE_NO>
            <STREET_NAME>
              <xsl:value-of select="Street"/>
            </STREET_NAME>
            <CITY_NAME>
              <xsl:value-of select="City"/>
            </CITY_NAME>
            <PHONE_NO>
              <xsl:value-of select="PhoneNo"/>
            </PHONE_NO>
          </ADDRESS>
        </xsl:for-each>
      </ADDRESSES>
    </ALLMYFRIENDS>
</xsl:template>
</xsl:transform>
</PRE>
<HR>
HTH,
Jayanta.

thanks a LOT Jayanta..
I was looking for an XSLT example for some time.. this one atleast got me started in the right direction..
THANKS

XSLT transformation in XML to ABAP: special characters issue

Hi,
I am parsing well-formed XML file that has the following data (:
<projects><project><name>Wallis & Futuna</name></project></projects>
I use XSLT transformation:
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:sap="http://www.sap.com/sapxsl" version="1.0">
<xsl:strip-space elements="*"/>
<xsl:template match="projects">
    <asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0">
        <PROJECTS>
          <xsl:for-each select="project">
            <PROJECT>
              <NAME>
                <xsl:value-of select="name"/>
              </NAME>
            </PROJECT>
          </xsl:for-each>
        </PROJECTS>
      </asx:values>
    </asx:abap>
</xsl:template>
</xsl:transform>
If I use the above example without &amp; everything works fine, but the original XML fails with exception CX_XSLT_DESERIALIZATION_ERROR and message "Error during deserialization". Googling around did not give an answer.
Any words of wisdom?
Edited by: Alexei Isaev on Apr 26, 2011 5:04 AM
Edited by: Alexei Isaev on Apr 26, 2011 5:05 AM

Hi,
Please visit the following link for reference.
http://help.sap.com/abapdocu_70/en/ABAPCALL_TRANSFORMATION.htm
Thanks & Regards,
Harish

Execute a query using ABAP (XSLT transformation issue)

Hello,
I made the steps from this blog (part I, II and III).
/people/durairaj.athavanraja/blog/2005/12/05/execute-bw-query-using-abap-part-iii
When trying to run the XSLT transformation, I got the message that : XML invalid source file.
I am not sure what are the steps for running a transformation, or running it for this case ,maybe something it's not ok. I just run it, did not provide any information.
Any suggestions ? Did anyone use the function module described in this blog ?
Thank you very much in advance.

try giving
CALL TRANSFORMATION (`ID`)
SOURCE meta = meta_data[]
output = <ltable>[]
RESULT XML xml_out
OPTIONS xml_header = 'NO'.
and check - sometimes the codepages configured in the BW system tend to cause an issue... I am not sure if the syntax is right though - but you are basically trying to bypass any encoding that is happening in the query transformation....
http://www.sapetabap.com/ovidentia/index.php?tg=fileman&sAction=getFile&inl=1&id=4&gr=Y&path=ABAP%2FABAPENANGLAIS&file=ABAP-XML+Mapping.pdf&idf=41
Edited by: Arun Varadarajan on May 18, 2009 11:28 PM

How to activate New Editor for XSLT Transformations?

Hello Everyone!
I am currentlyworking on some Simple Transformations (Txn STRANS). As I am very happy with the New Frontend Editor, I would like to use the new Editor for editing Simple Transformations, like I do, when editing usual ABAP Code.
Where can I activate the New Editor fpr XSLT Programs? I have already set the Flag to use the new editor when editing ABAP Code, but this Flag unfortunately has to influence on the editor used for XSLT programs... ;-(
Greetings
--MIKE

Hi all,
How to use conditions in XSLT Transformation,
Thanks
Reddy.n.l

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