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BOOK: Beginning Java 2
This is the forum to discuss the Wrox book Beginning Java 2, SDK 1.4 Edition by Ivor Horton; ISBN: 9780764543654
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Old October 13th, 2004, 11:12 AM
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Default parsing a flat file in java


I am new to java and would like to try parsing a small positional flat file. I plan to then use JDOM to write out an XML file.

I was hoping someone would have an example to get me started, I don't have any code to post just yet but it would be helpful to get suggestions on the right direction to go.

The file layout is:

NN86011111107XXX12345699999999999999999xxxxxxxxxxx xxxxxx0000000121000xxxxxxxxxxxxxxx
NN86011111107XXX12345899999999999999888xxxxxxxxxxx xxxxxx0000000151000xxxxxxxxxxxxxxx

I really only need 5 fields from this file amount of data form this file:
PO num: 111111
receiving ware house: 07
item code: 123456
CUPC: 9999999999999999999
qty: 000000012

Any suggestion on parsing the positional data would be most appreciated.

Thank you


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Old October 15th, 2004, 07:34 AM
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Check out the XML downloads of Sun


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Old May 18th, 2009, 09:11 AM
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Default Java library that does the job

I have created an open souce java library that can parse and generate flat files (and csv files) according to a schema specified in xml.

Have a look at http://jsapar.tigris.org

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