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Joe and Joe,,

If you're using CCSID 5026, the Java equivalent encoding value should be
Cp930.
CCSID  hex    ESID          Base   CP1    CP2  Java         K
Description
5026  13a2   mbcs-ebcdic    930   290 +  300  Cp930        I  Japan
EBCDIC
5035  13ab   mbcs-ebcdic    939  1027 +  300  Cp939        I  Japan
EBCDIC

a side note on this, Cp943c, Cp943, MS932 and SJIS may have different
mappings to Unicode characters,  so if you have any problems converting
certain Japanese characters in Java, I suggest refering to this url for
selecting the correct mapping. 
http://www.ingrid.org/java/i18n/encoding/ja-conv.html (yes, its in
Japanese...)

Regards,
Eiichi

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx
[mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Joe Sam Shirah
Sent: Wednesday, January 21, 2004 3:55 PM
To: Java Programming on and around the iSeries / AS400
Subject: Re: DBCS to Shift-JIS



    Hi Joe,

    I saw eiichi's reply and I expect it to be more definitive than
mine, but I already had most of this written and maybe some of the info
will help. I also ended up being puzzled by your question.  I'll explain
in a minute.

    Internally in Java, all String data is in ( what the VM thinks is )
Unicode.  The normal way to convert bytes in one encoding to a String in
Unicode is:

String S1 = new String( byte[] bytes, String charsetName );

The program uses the String as Unicode until output time.  If you just
write the data, it goes to the system default encoding from the Unicode
value.  If it should not be the default, then you either use a file
write with a specified encoding or use String.getBytes( String
charsetName ) to get bytes in the specified encoding.

    In what may be good news for you, the "IBM Developer Kit for Java"
at

http://publib.boulder.ibm.com/iseries/v5r2/ic2924/info/rzaha/rzaha.pdf

under "Java character encodings" starting on page 43, shows that CCSID
943 is equivalent to encoding Cp943 and CCSID 5026 is equivalent to
Cp943C.  So, if your data came from a file, you could read it in as
Cp943 and write it out as Cp943C.  That's the same method as eiichi's
code except for the encoding values.

    Here's where I'm puzzled.  The data you posted is not a Java byte
array. The reason is that Java bytes range in value from -128 to +127;
you have a value of F9 ( 249 ), so that can't work.

    The second part is, and my understanding of the encoding algorithms
is limited here, so please correct:  If we look at your data as non-Java
bytes at 8 bits that can go to a value of 255, then it appears to me to
amount to four double byte characters.  I don't understand how you could
get to only three characters in Shift-JIS.

HTH,


                                                         Joe Sam

Joe Sam Shirah -        http://www.conceptgo.com
conceptGO         -        Consulting/Development/Outsourcing
Java Filter Forum:       http://www.ibm.com/developerworks/java/
Just the JDBC FAQs: http://www.jguru.com/faq/JDBC
Going International?    http://www.jguru.com/faq/I18N
Que Java400?             http://www.jguru.com/faq/Java400


----- Original Message -----
From: "Joe Pluta" <joepluta@xxxxxxxxxxxxxxxxx>
To: "'Java Programming on and around the iSeries / AS400'"
<java400-l@xxxxxxxxxxxx>
Sent: Tuesday, January 20, 2004 12:21 PM
Subject: DBCS to Shift-JIS


> Is there an easy way to take EBCDIC DBCS data (CCSID 5026) and convert

> it to ASCII Shift-JIS (CCSID 943)?  Will the AS400Text object help me 
> do this?  Let's say I have an array of bytes with the EBCDIC data in 
> it. What's the easiest way to convert this to a String containing 
> Shift-JIS data?
>
> byte[] ccsid5026 = new byte[]
>   { x'0e', x'45', x'a0', x'47', x'9a', '45', x'f9', x'0f' };
>
> And I want to get:
>
> String jisdata;
>
> With the following hex values: x'8d87', x'8cbe', x'9774'
>
> Joe
>






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