DE 48 Packing Issue

[Thulasiram Reddy Keesanuru]

Team required your assistance to pack DE 48 . shared below DE48 field specification and expected Hex a dump value.

Field 48 Additional Data, Private Representation: b..999 (LLLVAR) Description: Reserved for private use to define data unique to specific applications  

Requirements: This field is conditional in 1100, 1110, 1120, 1130, 1200, 1210, 1220, and 1230 messages. This field is logically subdivided into the following subfields using the Fixed Tag Length Value (Fixed TLV) method. The lengths shown are the number of bytes of data. Each Tag element is exactly 2 bytes, and each Length element is exactly 1 byte.  

DE -48 package specification is below :

<isofieldpackager

id="48"

length="999"

name="ADITIONAL DATA - PRIVATE"

class="org.jpos.iso.IFB_LLLHBINARY"

token="0000"

packager="org.jpos.tlv.packager.TaggedSequencePackager">

<isofield

id="1"

length="99"

token="####"

name="Default Tag Packager"

class="org.jpos.tlv.packager.IFTA_LLCHAR"/>

</isofieldpackager>

Packing value : A021042020(A021 -tag , 04 length,2020 --Value)

0130    00 07 a0 21 04 32 30 32 30 09 | ...!.2020. | .......... |

please assist me to pack 48 fld with above format.

[Thulasiram Reddy Keesanuru]

Dear Jpos Users,

Any assistance on below issue.

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[Alejandro Revilla]

Take a look at the org.jpos.tlv package. See its unit tests as examples. 

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@apr

[Thulasiram Reddy Keesanuru]

  Thanks  Alejandro,  Using TlvList I am able to achieve.

     

TLVList tlvList = new TLVList();
tlvList.append(Integer.parseInt("A021",16), ISOUtil.hexString("****".getBytes()));
         

  

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[Alejandro Revilla]

Excellent. 

Don’t trust getBytes(). Make sure you specify the encoding there. I suggest you use getBytes(StandardCharsets.ISO_8859_1).

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@apr

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