UDF to read a file name and use some of its contents to map fields in target.

I have a scenario where I need to take the month and year from the file name and map it to suitable fields in the target. Ex - filename_apr2014 from this i should be able to read the month and year and map it. How to do this? I tried the udf -
public String getFileName(Container container){
DynamicConfiguration conf = (DynamicConfiguration) container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);
DynamicConfiguration conf = (DynamicConfiguration) container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);
DynamicConfigurationKey key = DynamicConfigurationKey.create("http://sap.com/xi/XI/System/File","FileName");
String ourSourceFileName = conf.get(key);
return ourSourceFileName;
got this error while testing the mapping -
Runtime exception when processing target-field mapping /ns0:MT_<<>>_Output/I<<>>; root message: Exception:[java.lang.NullPointerException: while trying to invoke the method com.sap.aii.mapping.api.DynamicConfiguration.get(com.sap.aii.mapping.api.DynamicConfigurationKey) of a null object loaded from a local variable at slot 2] in class <<>> method getSourceFileName[com.sap.aii.mappingtool.tf7.rt.Context@5b04fc0f]
See error logs for details

Hi Satish - You declared "conf" twice.
DynamicConfiguration conf = (DynamicConfiguration) container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);
UDF -
String filename = "";
DynamicConfiguration conf = (DynamicConfiguration) container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);
DynamicConfigurationKey key = DynamicConfigurationKey.create( "http:/"+"/sap.com/xi/XI/System/File","FileName");
filename = conf.get(key);
return filename;
And did you define the variable slot 2 in any of your UDF's?
The above UDF return the filename and you should handle the sub string later..

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Hi guys,
I am trying to use command line arguments to read in the name of two files. The code below works as long as the files are on the class path.
public class cmdLineArguments {
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You need to learn about cmd.exe which is used to process the command line. The arguments passed to any program is the command line split at white space so your command line arguments of
c:\Documents and Settings\user\desktop\file1.xml c:\Documents and Settings\user\desktop\file2.xmlis turned into an array of
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java cmdLineArgs "c:\Documents and Settings\user\desktop\file1.xml" "c:\Documents and Settings\user\desktop\file2.xml"

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The specified item was not found.
The specified item was not found.
The specified item was not found.
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Thanks,
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Check
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Step 1
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Could you please provided some help on the same?
I have tried the same through UDF it is working. Could anyone provide me the steps for the same
Regards
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Hi,
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thanks a lot in advance! <removed by moderator>.
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Edited by: Thomas Zloch on Nov 29, 2011 5:23 PM

with the extension of the standard report RSEINB00 i solved this problem. here is some code:
DATA:
dir_name LIKE epsf-epsdirnam,
file_mask LIKE epsf-epsfilnam,
g_message_fields LIKE edimessage.
DATA:
filename LIKE edi_path-pthnam,
filename2 LIKE edi_path-pthnam,
myport TYPE EDIPO-PORT.
DATA: h_EDIDC LIKE EDIDC.
DATA:
wa TYPE file_table.
DATA:
t_dir_list TYPE STANDARD TABLE OF epsfili WITH HEADER LINE,
itab TYPE table of file_table WITH HEADER LINE.
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dir_name = '<.../inbound>'.
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file_mask = 'XYIDOC.'.
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EXPORTING
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TABLES
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"BREAK-POINT.
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open dataset filename2 for output in text mode.
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 read dataset filename into wa.
 if sy-subrc <> 0.
 exit.
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ENDLOOP.
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do inbound processing from file
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 EXCEPTIONS
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do not care for exceptions here
 COMMIT WORK.
append message for RFC
 MESSAGE ID g_message_fields-msgid
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 g_message_fields-msgv3 g_message_fields-msgv4.
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please suggest me to proceed further.
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Thanks..

Hi,
for ex: i am storing it as
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right now i am giving like this and storing the data, but now i have to allow file name and path as user parameter.
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I search multiple shares to find a common file name then create a single output file. I will be doing this search and file creation
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the cmd file for every file and folder I check. It puts this error out for each run of the process.
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It worked.
Regards Chen V [MCTS SharePoint 2010]

UDF to read a file name and use some of its contents to map fields in target.

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