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  1.  Home
  2. RPG400-L
  3. May 2006

Re: getBytes for a string longer than 65535
RPG strings can only support 65535 chars, so the idea of converting a Java string longer than 65535 to RPG doesn't completely make sense. How can you convert it to an RPG string, if RPG doesn't support strings that large?
Now, if you want to store it into memory allocated to a pointer, or a user space, or some other construct that doesn't have the 65535 limitation, you could -- by calling the JNI functions GetStringLength() and GetStringChars(). This'll give you Unicode data, and you'll need to convert it to EBCDIC -- RPG's UCS2 support should be able to do the conversion.
Or, you could call GetStringUTFChars() and you'll get memory that's dynamically allocated containing a C-style null-terminated string in UTF-8, already dynamically allocated to a pointer. You could use the %STR() BIF in RPG to convert it to an RPG-style string (albeit, still in UTF-8) and ReleaseStringUTFChars() will return the dynamic memory to the system. But, you'll have to use iconv() or a similar function to convert it to EBCDIC. 

So, it's not easy, but possible...

---
Scott Klement  http://www.scottklement.com

On Fri, 26 May 2006, Adele Cavalli wrote:


Bonjour,

because it seems that getBytes can only be used with
strings up to 65535, is there another way to convert a
java String longer than 65535 into an RPG string ?

Thanks.
Adele.







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