How to read bitmap from ISO message

Gaurav Kumar

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Dec 15, 2016, 5:27:59 AM12/15/16

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Dear All,

I am using m.dump(System.out, ""); to read the incoming ISO message fields. However in the dump I am not able to see bitmap that should be present in field 1. Please suggest if I am missing something or suggest me how to read bitmap programatically. The dump printed the following:

</isomsg>

Victor Salaman

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Dec 15, 2016, 5:53:32 AM12/15/16

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Hi:

Bitmaps don't show in dump(). You can programtically get the bitmap by calling recalcBitMap() on the ISOMsg, and then getting field(-1) , you'll get an instance of ISOBitMap

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Mark Salter

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Dec 15, 2016, 7:45:09 AM12/15/16

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On Thursday, December 15, 2016 at 10:27:59 AM UTC, Gaurav Kumar wrote:

<field id="2" value="506107*********0043"/>
<field id="35" value="506107*********0043D2102601013544433"/>

All test values I hope!

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Mark

chhil

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Dec 15, 2016, 7:46:33 AM12/15/16

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If you really need it, add a logger to your packager in the channel config. The property is packager-logger. It wont show up as field 1 but will atleast be visible.

A sample of received message will look like... Remember it will display all your fields in the clear, so compliance will go out of the window. For debugging it may be useful. 

<log realm="" at="Thu Dec 15 18:07:18 IST 2016.987" lifespan="1ms">
  <unpack>
    3032303040000000000000003039313233343536373839
    <bitmap>{2}</bitmap>
    <unpack fld="2" packager="org.jpos.iso.IFA_LLNUM">
      <value>123456789</value>
    </unpack>
  </unpack>
</log>
<isomsg direction="none">
  <!-- org.jpos.iso.packager.GenericPackager[.\cfg\discover.xml] -->


  <field id="0" value="0200"/>


  <field id="2" value="123456789"/>
</isomsg>

Alternatively

https://github.com/jpos/jPOS/blob/master/jpos/src/main/java/org/jpos/iso/ISOMsg.java#L513-L520

Uncomment those lines and build your jpos jar or place that uncommented file ahead of your jpos jar so it gets picked up :)

And you will see

<isomsg direction="none">
  <!-- org.jpos.iso.packager.GenericPackager[.\cfg\discover.xml] -->


  <field id="0" value="0200"/>


  <field id="bitmap" value="{2}" type="bitmap"/>
  <field id="2" value="123456789"/>
</isomsg>

-chhil

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