Need to truncate data and having some problems

Hi folks.
I'm relatively new to Java so forgive my naivety please.
I have a situation where I'm receiving XML address data in the format of 4 address lines of 35 characters each......and a postcode. Unfortunately, I have to find a way of evaluating this data and shoe horning it in to 3 address lines of 30 characters each on the system I'm maintaining.
If the combined data is still more than 3 lines of 30 characters I've just been told to send back an error response. Lovely system eh?
Does anyone have any suggestions as to how I can tackle this problem in Java? I'm still looking about and having a think about it, but being new to the language I'm struggling a little.
Any help you can offer would be much appreciated. Thanks.

Axiom: A requirement isn't a requirement without a test case.
Work with your customer to establish the acceptance tests for the requirements. That will help you with the "find a way of evaluating" part. Once you know the rules, you can start coding. We'll help you with the language translation issues (i.e., business-ese to Java), but it's up to you to make sure the requirements are firm and to write the initial failing test cases.
~

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http://i1224.photobucket.com/albums/ee374/Diavonex/491f4b34c45018abef609c832b0f2 56a_zps0d1c18e7.jpg
Message was edited by: Diavonex

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Message was edited by: jamie8286

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Please click the "Kudos, Thumbs Up" at the bottom of this post if you want to say "Thanks" for helping!
Please click "Accept as Solution" if you feel my post solved your issue, it will help others find the solution.
The Great Deku Tree
I work on behalf of HP.

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Need to truncate data and having some problems

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