Removing the empty line during Receiver FCC!

Hi, Guys,
I used file content conversion in receive FCC. My data type is like this:
<TextFromSAP_DT>
<FileName>
<FileName>abc.txt</FileName>
</FileName>
<Record>
<TEXT>dasfafaf</TEXT>
</Record>
<Record>
<TEXT>qqqqqqqq</TEXT>
</Record>
<Record>
<TEXT>fgfffff</TEXT>
</Record>
</TextFromSAP_DT>
I need to get file name from <FileName> and output a flat file with the value in <TEXT>. But I always got an empty line at the file beginning. And I tried to move <FileName> to the end. And I got an empty line at the file end. My custom said they are having trouble to read the file with the empty line no matter it is in the beginning or end.
I followed sample as link below but does not work.
https://wiki.sdn.sap.com/wiki/display/profile/2007/07/30/Removing%20the%20empty%20line%20during%20Receiver%20FCC!
Does any body can give a help?
Thanks a lot!
Meiying
Edited by: Meiying Yang on Aug 14, 2009 11:16 PM

Hi Yang,
You create the value udf GetFileName with one input value say a. Add this code:
Imports: java.*;
Add this code:
//write your code here
DynamicConfiguration conf = (DynamicConfiguration)container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);
DynamicConfigurationKey key = DynamicConfigurationKey.create("http:" + "/" + "/" + "sap.com/xi/XI/System/File", "FileName");
conf.put(key, a);
return "";
Map like this:
FileName --> GetFileName(udf) --> target_mt
Map other fields like:
Record --> Record
TEXT ---> TEXT
Save it and activate it. When you test in mapping you will get an error so dont worry. I go the error like:
RuntimeException in Message-Mapping transformation: Runtime exception during processing target field mapping /ns0:Target_MT. The message is: Exception:[java.lang.NullPointerException] in class com.sap.xi.tf._TestFileName_ method file1$[abc.txt, com.sap.aii.mappingtool.tf3.rt.Context@32dcebf1]
Dont worry about this activate and do the rest of the configuration.
In your receiver communication channel for file name put as FileName and check the file name in adapter specific message attributes. Then test it and it should work and you will get the file with file name abc.txt. I tested the whole end to end scenario and I am getting the file name abc.txt and the output what you want. If you still could not get it send me a m ail to my i d from my business card. I will send you the screen shots.
Regards,
---Satish

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