Receiver file adapter

Question

hi all,
i'm using file adapter receiver and want to generate an fixed length text file. the name of the text file i want to generate it dynamically based on a field of the xml.
the structure of xml:
<mt_PO>
  <Header>
  </Header>
  <Detail>
  </Detail>
  <Filename>
    </name>
  </Filename>
</mt_PO>
For generate the name of the file i'm using variable substitution in this way:
var1 ->  payload:mt_PO,1,filename,1,name,1
and in the file name schema field: PO.%var1%.txt
this it's correctly done.
After, for generate the text file in the format i want i use content conversion:
RecordSet structure:  Header,Detail,filename
Name                                                Value
Header.addHeaderLine                        0
Header.fieldFixedLengths                    2,2,10,10,8,100
Header.endSeparator                          'nl'
Detail.fieldFixedLengths                      2,5,18,35,35,13,3,13,5,35,12,40,60,40,10
Detail.endSeparator                            'nl'
filename.fieldFixedLengths                  0
filename.fixedLengthTooShortHandling  Cut
The problem is that resulting text file is generated with an empty line to the end, and that is my problem. i don't know how to avoid generate that empty line.
has anybody been in the same scenario and know how to solve this issue?
Thanks.

Answer 1

Hi,
Ok No problem, let me give you the blog which contains all the steps,
Dynamic Configuration of Some Communication Channel Parameters using Message Mapping
Here you need to create one UDF in mapping and have to map it with target Message Type.
Remove the filename from Target side structure.
Thus at runtime it will take the value from Source side payload (Or you may pass any values in mapping )
and that will be used in communication channel.
The given blog have used HTTP as receiver communciation channel.
For file adapter you need to fill-up below parameters with variable substitution.
File Name Scheme : %Var1%
Variable substitution -- enable
>Var1----
>message:message_id
Adapter Specific Attributes
Mark Filename & Use Adapter Specific attributes.
PS Note : once you apply this UDF the mapping will give exception while testing from test tab. Let it be.
This UDF will work on Runtime. Thus execute the scenario to see the results.
Thanks
Swarup