Message Mapping Conversions

Hi All,
This is a question related to the message mapping.
I am working on a File to Proxy interface which is using a standard graphical mapping provided by SAP. The mapping between the fields are one to one.
A particular field in the Source structure has possiblility of 5 values (lets say A,B,C,D,E) .
Post the mapping this values have to be converted to (101,102,103,104,105 Respectively).
So if the source system sends A, after the mapping the value at the target field should be 101.
How to achieve this?
Guidance appreciated....
KInd rgds,
Raggy

Hi,
It is simple to do.. just use standard function Conversions ---> FixValues table in your message mapping. e.g.
Double click on FixValues table and maintain the values.
Key-----Value
A -
105
B----
110
C----
112
Regards,
Sarvesh

Similar Messages

Message Mapping : conversion of source value 2,520,926.08 to 2,520,926

Hi,
The value coming from Idoc at source side is 6,999,432.08.
I want the value to be passed at target side as 6,999,432
I do not want .08
How i will do the message mapping. Can someone help me out.
Thanks,

Ashish,
I have tested this and all works as you expect. I have also provided two examples due to confusion as to whether you want the decimal places. You stated in an earlier post 'I do not want .08, i want .00' but in your last post that 'Source Value be 22345.45 or 22345.78 or 22345.99.........target value should be 22345'
Two decimal places .00
LHS field_in --> floor (arithmetic function) to give you the integer value required (rounded down) --> format number (second arithmetic function and indicate a format of 0.00 to represent two decimal places) --> RHS field_out
Source       Target
22345.45    22345.00
22345.78    22345.00
22345.99    22345.00
No decimal places (integer)
LHS field_in --> floor (arithmetic function) to give you the integer value required (rounded down) --> RHS field_out
Source       Target
22345.45    22345
22345.78    22345
22345.99    22345
I hope this clears up your issue
Regards,
Mike

Conversion condition problem in message mapping

Dear Friends,
I am sending the ORDERDS02 Idoc from one ECC to another ECC using PI7.0.
In receiver system my condittion is:
1) IF E1EDK01-BSART = DVBFand E1EDKA1-PAORG = MF20 then E1EDKA1 PARTN = 50057 & A59991
2) IF E1EDK01-BSART = DNBFand E1EDKA1-PAORG = MG20 then E1EDKA1 PARTN = 50055 & A59990
In first condtion I am receiving the result as per the requirement(50057 & A59991)
but in second condition I am getting only 50055 , I am not getting A59990 .
I am checking the Queues in message mapping it is showing 50055 & A59990, but it is updating only 50055.
In queues it is showing like:
sender:                target:
50055                 50055
A59990              SUPPRESS
Please suugest me any thing I have to do in message mapping.

Hi,
Can you tell me how it has been mapped now. Since you are using header segment, it should contain only one value. So, I would not suspect that it might not be an issue with context.

How to validate a date in message mapping

Hi experts,
how to validate a date in message mapping. For ex: if date comes as 2008/02/31, then file it shold not get processed.how to achieve this in message mapping. Please help .
Thanks&Regards,
Reyaz Hussain

Hi,
There are few simple ways for date validation as follow,
1.If you would like to handle it in XI only, then in message mapping you could verify about it with the help of generating smart exception.
For e.g in mapping there is one Date conversion API i.e. somthing DateTransformation It converts the incoming date format to required format. Here give the date format i.e expected from Sender File.
If in case the format miss-matched then it will create the exception.
You could handle this exception with the use of [Alert notification|http://help.sap.com/saphelp_nw04/helpdata/en/2c/abb2e7ff6311d194c000a0c93033f7/frameset.htm] and could be even able to notify to sender system about it.
2. The another solution is easy for SAP synchornous communication --If you are passing the file data to SAP, then you could use below function modules to verify date format in receiver RFC/BAPI or inbound IDOC program. If the sy-subrc is not 0 then don't process further.
CONVERT_DATE_FORMAT
ISU_DATE_FORMAT_CHECK
Thanks
Swarup

Message Mapping Issue in PI 7.1

Hi Experts
I am working on a Message mapping, and I have the following structures on the Sender and receiver side
-->InterfaceHeader
-->DocumentHeader (1-Unbounded)
-->DocumentLineItems (1-Unbounded)
-->InterfaceTrailer -1
Same structure on the sender and Receiver, I am sending the data as follows
-->InterfaceHeader
-->DocumentHeader1
-->DocumentlineItems1
-->DocumentHeader2
-->DocumentlineItems2
-->InterfaceTrailer -1
after mapping I am getting the following results
-->InterfaceHeader
-->DocumentHeader1
-->DocumentHeader2
-->DocumentlineItems1
-->DocumentlineItems2
-->InterfaceTrailer -1
i.e Header 1 and 2 are coming same and then details are coming, I need the result xml the same way which I have sent.
find the example payload below, please let me know how can I get the structures in the same order of the sender payload.
results should be
-->InterfaceHeader
-->DocumentHeader1
-->DocumentlineItems1
-->DocumentHeader2
-->DocumentlineItems2
-->InterfaceTrailer -1
Thanks
PR

Check this blog...you have solution for this
/people/shabarish.vijayakumar/blog/2010/01/14/file-conversion-using-nodeception

Mapping conversion error in Dates

Hello Experts,
I am doing date conversion in Message Mapping from ECC date will come in YYYYMMDD for target i need to convert to YYYY_MM_DD for this i am using date transfer function.Issue is when date is coming like 20110908 it is converting properly like 2011-09-08
But when from ECC date is coming like 00000000 then by default it converting to 0002-11-30 how this date is coming i am not understanding actually it should convert like 0000-00-00 .
Please help me

Hi,
I am not quite sure why the conversion works like that. That said, the date 0000-00-00 is not a valid date, as that date has never existed. That may be the reason for the strange behaviour by PI.
I suggest you add fixed-values conversion before your dateConvert step in the mapping. Here you check for date 00000000 and map it to e.g. 00010101.
This should solve the issue, if you can live with a result date of 0001-01-01 in these cases.
Br,
Kenneth

Filtering of records in Message Mapping

I am facing problem during filtering record in message mapping. My message comes from R3 and should be sent to one business service in entirety and should also be sent to another business service in part. To resolve this I created a message map for selecting record based on some conditions but this creates empty XML nodes wherever condition is not satisfied. Everything works fine but the scenario fails at the end while trying to convert XML to text using file adapter. The error is Conversion configuration error: Unknown structure '' found in document', probably configuration error in file adapter (XML parser error)

Hi Rajesh,
This scenario you are trying can be done using CONDITIONAL RECEIVER DETERMINATION and RB SPLIT, where you can basically have one sender and two receivers.
To do this without using a BPM.
1. Create your mapping program that will map the information from the source file
into the destination idoc. This has to be a 1:N split. Just make sure that the destination message type and message interface are are of occurrence N.
2. Also, you will have 2 destination interfaces and 2 interface mapping, one for the IDOC and one for the mail.
Now, there are a few essential steps in your configuration,
1. In the receiver determination, specify the 2 receiver systems, one for your IDOC and the other for your MAIL.
2. Now, you will have a condition window. Just type the condition on the basis of which the receiver has to be determined for the mail and the idoc business system. Just remember that the condition can be specified only for the source message.
3. In the Interface Determination, you have an option called RB CLASSIC and RB SPLIT. To do a 1:N split, you will have to do a RB_SPLIT.
And since you wanted to covert the XML format to text format you require content conversion at the receiver adapter end, for that please go through these links below. It clearly explains your requirement.
/people/arpit.seth/blog/2005/06/02/file-receiver-with-content-conversion
http://help.sap.com/saphelp_nw04/helpdata/en/d2/bab440c97f3716e10000000a155106/frameset.htm
I hope I have answered your query.
Regards,
Abhy
note: do reward points for the helpful answers.

Regarding Message Mapping in JDBC Scenario

Hello Experts,
I got struct up in message mapping. In message mapping we can able to see different types of Functions. So I need some clarifications on it. Functions are available like...
Conversions
Boolean
Node Functions
Constants
Date
Text
Static
Arithmetic
So please explain in simple for each functions.
Points will be rewarded.
Thank you

Hi
*Boolean*:-
And -- checks for 2condition, return a true value if both condition are satisfied
Or --checks for 2condition, return a true value if one condition is true.
Not - checks if the condition is not equal to.
Equals - Check whether 2 Boolean values are equal
NotEquals
If u2013 Returns second value if the first argument is true. otherwise returns third argument
If WithoutElse u2013 Returns value of second argument, if first argument is true.
Node Functions:-
createIf - Produces empty value if argument is true; Resultlist.SUPPRESS otherwise
removeContexts u2013 Produces plain stream of values with No context changes
replaceValue u2013 replaces value of source field to value specified in Function Properties.
Exists u2013 Returns true, if Node exists otherwise false
SplitByValue u2013 inserts context changes after event specified
collapseContexts u2013 Produces one empty string value out of each arguments context. All arguments are in one context
useOneAsMany u2013 Use First Argument as IS on same level as third argument. second argument defines when next value of first argument is used
sort u2013 sorts values in each context
sortByKey u2013 Sorts values in second queue by keys from first queue
mapwithDefault u2013 Inserts default values specified in the function properties into empty contexts
formatByExample u2013 Takes values from the first queue and inserts them in the structure of second queue.
Constants:-
Constant u2013 Generates constant value
CopyValue u2013 Takes specified value in argument stream and copies it an infinite number of times
Sender u2013 Sender System
Receiver u2013 Receiver System
Date:-
CurrentDate u2013 Return current date in specified format
DateTrans u2013 Transforms date from input format to output format
Dateafter u2013 Returns True if first date is after second otherwise false
DAteBefore - Returns True if first date is before second otherwise false
CompareDates u2013 Compares two dates
Text:-
Substring u2013 Returns substring depending upon the given parameters
Concat u2013 concatenates 2 strings inserting delimiter string parameter between them
Equals u2013 Check whether Strings are equal
indexOf2 u2013 returns the index where the second string is found for the first time in the first string
indexOf3 u2013 As with indexOf with 2 parameters, But starting search at the specified position
lastindexOf2 u2013 Returns the index where the second string is found for the last time in the first string
lastIndexOf3 u2013 As with lastIndexOf with 2 parameters starting search at the specified position
compare u2013 compares 2 strings lexicographically
replaceString u2013 Replaces each occurrence of pattern(2nd argument ) of source string(1st arg). By third string
length u2013 returns length of string
endsWith u2013 Tests whether string ends with specified suffix
startsWith2 u2013 Tests whether string starts with specified prefix
startsWith3 u2013 Tests whether string starts with specified prefix beginning at specified location
toUpperCase u2013 Converts all characters in string to upper case
trim u2013 Removes white space from both ends of string
toLowerCase u2013 Converts all characters in String to Lower case
Statistic:-
sum u2013 calculates sum of all numbers in each context
average u2013 calculates the average of all numbers in each context
count u2013 Counts number of values in each context
Index u2013 For each incoming value, this Function returns the index number of the incoming value in the context, String from the initial index and increasing by the increment defined in the parameters.
Arithmetic:-
Add u2013 add two values
Subtract u2013 subtracts second value from the first value
equalsA u2013 Returns true; If float numbers represented by argument strings are equal otherwise returns false
abs u2013 returns Absolute value of argument
sqrt u2013 Returns square root of the number
sqr u2013 Returns square of the number
sign u2013 Returns -1 if number is negative, +1 if positive, 0 if 0
neg u2013 Multiplies number to -1
1/x u2013 calculates 1/x
Power u2013 Returns value of the first argument to the power of the second argument
Less u2013 Returns true if the first number is less than the second number otherwise false
Greater - Returns true if the first number is greater than the second number otherwise false
Multiply u2013 Multiplies 2 values
Divide u2013 Divides first value by the second value
Max u2013 Returns maximum of 2 numbers
Min u2013 Returns Minimum of the 2 numbers
Ceil u2013 Returns the smallest (closest to the negative infinity) initial value that is not less than the argument and it is equal to the mathematical integer.
Floor - Returns the largest (closest to the negative infinity) initial value that is not Greater than the argument and it is equal to the mathematical integer.
Round u2013 Returns closest initial value to the argument
Counter u2013 Counts number of invocations. Initial value and increment defined by Parameters.
FormatNum u2013 Formats Number with given pattern.
Conversions:-
FixValues u2013 Creates a Local Table to perform a value Mapping
ValueMapping u2013 Define jump to Value Mapping table of Integration Directory.
Message Mapping(Node Function) Part-1
Message Mapping Simplified - Part I
Sravaya Talanki- Message Mapping(Node Function) Part-2
/people/sravya.talanki2/blog/2005/12/08/message-mapping-simplified-150-part-ii
Standard Functions
http://help.sap.com/saphelp_nw04/helpdata/en/43/c4cdfc334824478090739c04c4a249/frameset.htm
Advanced mapping function(mapwithdefault,formatbyexample,sort,sortbykey)
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/9202d890-0201-0010-1588-adb5e89a6638
Hope this is useful
Saiyog
Edited by: Saiyog Gonsalves on Jul 11, 2008 1:14 PM

Single Line Data Type to Collection Data type, Problem in Message mapping

I have a csv file, the file has the following lines
hdr1
line1
line2
lineN
hdr2
line1
lineN
I want it to map it to an object with the ff structure
root object 1..1
object 1..1
subobject 0...n
hdr 1..1
line 1...n
How is the mapping of the said data types? Is it possible? Please help....thanks in advance

Hi Raymond,
as you have two different strutures:
- HEAD
- ITEM
and the occurences of the structures are not fix (say: e.g. HEADER occurs always 3 times), you need a key-field, which identifies each row as HEAR or ITEM.
If you do not have a key-field, you must design a "generic structure" that fits to both:
HEAD & ITEM. After the conten-conversion into this generic structure you need a message-mapping that identifies your HEADs and ITEMs.
File content conversion sites
/people/venkat.donela/blog/2005/03/02/introduction-to-simplefile-xi-filescenario-and-complete-walk-through-for-starterspart1
/people/venkat.donela/blog/2005/03/03/introduction-to-simple-file-xi-filescenario-and-complete-walk-through-for-starterspart2
/people/arpit.seth/blog/2005/06/02/file-receiver-with-content-conversion
/people/anish.abraham2/blog/2005/06/08/content-conversion-patternrandom-content-in-input-file
/people/shabarish.vijayakumar/blog/2005/08/17/nab-the-tab-file-adapter
/people/venkat.donela/blog/2005/03/02/introduction-to-simplefile-xi-filescenario-and-complete-walk-through-for-starterspart1
/people/venkat.donela/blog/2005/03/03/introduction-to-simple-file-xi-filescenario-and-complete-walk-through-for-starterspart2
/people/venkat.donela/blog/2005/06/08/how-to-send-a-flat-file-with-various-field-lengths-and-variable-substructures-to-xi-30
/people/anish.abraham2/blog/2005/06/08/content-conversion-patternrandom-content-in-input-file
/people/shabarish.vijayakumar/blog/2005/08/17/nab-the-tab-file-adapter
/people/jeyakumar.muthu2/blog/2005/11/29/file-content-conversion-for-unequal-number-of-columns
/people/shabarish.vijayakumar/blog/2006/02/27/content-conversion-the-key-field-problem
/people/michal.krawczyk2/blog/2004/12/15/how-to-send-a-flat-file-with-fixed-lengths-to-xi-30-using-a-central-file-adapter
/people/arpit.seth/blog/2005/06/02/file-receiver-with-content-conversion
http://help.sap.com/saphelp_nw04/helpdata/en/d2/bab440c97f3716e10000000a155106/content.htm
Regards Mario

Message Mapping Problem with UTF-16LE Encoded XML

Hello,
we have the following scenario:
IDoc > BPM > HTTP Sync Call > BPM > IDoc
Resonse message of the HTTP call is a XML file with UTF-16LE processing instruction. This response should then be mapped to a SYSTAT IDoc. However the message mapping fails "...XML Parser: No data allowed here ...".
So obviously the XML is not considered as well-formed.
When taking a look at SXMB_MONI the following message appears: "Switch from current encoding to specific encoding not supported.....".
Strange thing however is if I save the response file as XML and use the same XML file in the test tab message mapping is executed successfully.
I also tried to use a Java Mapping to switch encodings before executing message mapping, but the error remains.
Could the problem be, that the codepage UTF-16LE is not installed on the PI system ? Any idea on that ?
Thank you!
Edited by: Florian Guppenberger on Feb 2, 2010 2:29 PM
Edited by: Florian Guppenberger on Feb 2, 2010 2:29 PM

Hi,
thank your for your answer.
This is what I have tried to achieve. I apply the java conversion mapping when receiving the response message - i tried to convert the response to UTF-16, UTF-8 but none of them has helped to solve the problem.
I guess that using adapter modules is not an option either as it would modify the request message, but not the response, right?

Whitespaces in XML during message mapping not preserved

I use a twostep mapping process during Interface Mapping. The first one is the standard message mapping and the second one is a Java mapping. However, during the second step, the white spaces that should be preserved from the output of the first mapping is not there anymore. I created the XSD and specified in the details that the white spaces should be preserved.
I need the whitespaces since the output of the second mapping would be used for file content conversion in a file adapter to create the output:
MSGTYP CONTROLNOMSGID VALUE1VALUE2 VALUEn.....
Is there any way to preserve the white spaces?
Thanks!
Best Regards,
Rommel Mendoza

This is odd. Java won't condense/trim the whitespaces unless explicitely told so.
Where are you seeing the missing whitespaces?
Please notice that SXMB_MONI won't show the spaces because it uses a HTML representation of the XML (and, by default, HTML condenses the whitespaces). But the actual XML file should have all the spaces (check the XML document source code, through mouse right click over payload, to be sure).
Also, what are the conversions you do in the java mapping?
Are you sure the java mapping input has the whitespaces?
Regards,
Henrique.

BaseRuntime Exception during Message Mapping

Hi I am performing the scenario File --> XI --> File
I want to do the File content Conversion (FCC) only at the Receiver side.
My source file(Message Type) is XML which looks like as below:
<?xml version="1.0" encoding="UTF-8" ?>
- <ns0:MT1_FCC xmlns:ns0="http://accenture.com/xi/F2F">
- <Name_>
- <Name>
<FName>abc</FName>
<MName>bcd</MName>
<LName>cde</LName>
</Name>
</Name_>
</ns0:MT1_FCC>
My target file would be the text file which will look like as follows:
abc#bcd#cde
However at runtime the Error is thrown with BaseRuntimeException in Message Mapping which simple one to one mapping from source message to target message . the source and the target message are same.
The Error message is as follows:
<Trace level="1" type="T">RuntimeException during appliction Java mapping com/sap/xi/tf/_MM_FCC_</Trace>
<Trace level="1" type="T">com.sap.aii.utilxi.misc.api.BaseRuntimeException: Fatal Error: com.sap.engine.lib.xml.parser.ParserException: XML Declaration not allowed here.(:main:, row:1, col:8) at com.sap.aii.mappingtool.tf3.Transformer.checkParserException
Kindly Look into the Issue..

Hi i think you are getting confused by the Sorce Structure...
Ok lemme retype it for You and please then tell me the necessary parameters needed to convert the source xml file into the target text file
<?xml version="1.0" encoding="UTF-8"?>
<ns0:MT1_FCC xmlns:ns0="http://accenture.com/xi/F2F">
   <FullName>
      <Name>
         <FName>abc</FName>
         <MName>bcd</MName>
         <LName>cde</LName>
      </Name>
   </FullName>
</ns0:MT1_FCC>

Message Mapping of a CASE statement

I'd like to implement the functionality offered by a CASE statement in a Message Map or a multi-level if-else.
If "S" Then
"Acc"
ElseIf "I" Then
"In"
Elseif "E" Then
"Rej"
EndIf
TIA
Tim

Hi Tim,
There's a built-in function in Message Mapping that you can use without writing a user-defined function.
Category: Conversions
Name: FixedValues
Thanks,
Jesse

Create IDoc from flat file - How to do the message mapping

Hi everybody,
I want to create an IDoc from a flat file.
The file structure looks like this:
MT_XYZ
- Node001       0...1
- Leaf001
- Node002       0...unbounded
   - Node003    0...1
      - Leaf002
      - Leaf003
   - Node004    0...1
      - Leaf004
   - Node005    0...1
      - Leaf005
I have created a mapping and all the other stuff to set up the IDoc adapter.
Now when I try to test the interface the IDoc is created properly but obviously no information from the nodes "Node003" to "Node005" is inserted in the IDoc. Only the information kept in the elements (leafs) of "Node001" are inserted.
All IDoc segments and their "Segment" elements are linked to the root node of the file structure "MT_XYZ". I tried to link some IDoc segments only to "Node002" but then this segment is not created.
So how can I set up the message mapping in a way that the information from "Node003" to "Node005" is transported to the IDoc? Can anyone help me here?
Thanks in advance for all answers!
Regards,
Torben
Edited by: Torben Hönemann on Dec 14, 2009 4:26 AM

Hi Torben,
>>I want to create an IDoc from a flat file.
So you are using File content Conversion on the sender side. Right?
>>no information from the nodes "Node003" to "Node005" is inserted in the IDoc.
Are these information available in the source XML (you can check in transaction SXMB_MONI-> Input Payload).. There is a limitation in File Content Conversion of File adapter and it is that I can make an XML structure of 3 level.. Since these nodes details are in level 4 and 5 they should be missing in Source XML structure itself (after content conversion of File adapter). check that
>>So how can I set up the message mapping in a way that the information from "Node003" to "Node005" is transported to the IDoc? Can anyone help me here?
So you need to take an alternate approach where you do File Content Conversion and make 3 level structure.. then using a mapping convert this three level structure to your 5 level one and then try to map with the idoc.
Check this blog for an idea
http://www.riyaz.net/blog/xipi-file-content-conversion-for-complex-structures/
http://www.riyaz.net/blog/xipi-convert-flat-file-to-deeply-nested-xml-structures-using-only-graphical-mapping/
Regards
Suraj

Hi , friends pls explain abap mapping and message mapping

1) pls explain abap mapping and message mapping
send me screen shorts also.

Hi
Mapping Techniques
XI provides 3 standard ways of interface mapping between source and target.
Graphical mapping
Java Mapping
XSLT Mapping
Two more additional mapping types can be activated in XI by making changes to the exchange profile. Those two mappings are
ABAP mapping
XSLT mapping with ABAP Extensions
Graphical Mapping
Graphical mapping is a common approach followed by everyone for generating desired target structure. It involves simple drag-n-drop to correlate respective nodes (fields) from source and target structure. It hardly involves coding. (Exception - User defined functions). But sometimes with graphical mapping it is difficult to produce required output. For example ... text/html output, namespace change, sorting or grouping of records etc.
ABAP Mapping
A person comfortable with Object Oriented ABAP can go for ABAP mapping instead.
Java Mapping
Java Mapping uses 2 types of parsers. DOM and SAX. DOM is easier to use with lots of classes to help you create nodes and elements, but , DOM is very processor intensive.
SAX parser is something that parses your XML one after the other, and so is not processor intensive. But, it is not exaclty easy to develop either.
XSLT Mapping
One can also think of Java mapping as another option but it is a bit complex and required knowledge of Java. In such cases, XSLT mapping can be the best approach to meet the requirements.
A few example cases in which an XSLT mapping can be used:-
When the required output is other than XML like Text, Html or XHTML (html displayed as XML)
When default namespace coming from graphical mapping is not required or is to be changed as per requirements.
When data is to be filtered based on certain fields (considering File as source)
When data is to be sorted based on certain field (considering File as source)
When data is to be grouped based on certain field (considering File as source)\
Advantages of using XSLT mapping
XSLT program itself defines its own target structure.
XSLT programs can be imported into SAP XI. Message mapping step can be avoided. One can directly go for interface mapping once message interfaces are created and mapping is imported.
XSLT provides use of number of standard XPath functions that can replaces graphical mapping involving user defined java functions easily.
File content conversion at receiver side can be avoided in case of text or html output.
Multiple occurrences of node within tree (source XML) can be handled easily.
XSLT can be used in combination with graphical mapping.
Multi-mapping is also possible using xslt.
XSLT can be used with ABAP and JAVA Extensions.
Disadvantages of using XSLT mapping
Resultant XML payload can not be viewed in SXMB_MONI if not in XML format (for service packs < SP14).
Interface mapping testing does not show proper error description. So errors in XSLT programs are difficult to trace in XI but can be easily identified outside XI using browser.
XSLT mapping requires more memory than mapping classes generated in Java.
XSLT program become lengthier as source structure fields grows in numbers.
XSLT program sometimes become complex to meet desired functionality.
Some XSL functions are dependent on version of browser.
Different types of Mappings
MAPPING SUPPORTED BY XI
Message Mapping -> Graphical Design and testing environment. Default Provided By XI. Queue based modelling allow handling or large documents. Extensible via user defined functions
XSLT Mapping - > Based on openstandard, Portable across application platform, Extensible using user defined functions kewl but disadvantage is Memory overload while handling large documents.
SAX -> Simple Api For XML. -> Allows you to parse through a XML document. Doesn't consume any memory. But the message can be parsed only once from top to bottom. It Has evolved by contributions made by group of ppl itz a open architecture.
DOM -> Document Object Model -> Itz designed by W3C. Consumes Memory as the message will be loaded. Allows parsing of document in both way top down and bottom up.
Send me your email id.Shall send you very good docs for both ABAP Mapping and message mapping.
Thanks

Message Mapping Conversions

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