Discussion: Efficient ByteBuffer -> String that avoids additional copying (original) (raw)
Jacob Glickman jhg023 at bucknell.edu
Wed May 16 16:42:46 UTC 2018
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Paul,
Would you mind explaining more about what you're looking for regarding
this? I'm curious if ByteBuffer#getString is what you're after, or
rather something similar to String.from(ByteBuffer). I'll definitely
have a look at jdk.internal.misc.SharedSecrets in the meantime. Thanks!
- Jacob
Hi Jacob, I do have one idea (that i don’t think is currently represented as a bug, though i have not searched JBS), if you are willing to take it on. It will require some investigation, and careful testing, it’s not necessarily a starter bug :-), but i can help guide. Investigate new methods to more efficiently support ByteBuffer -> String method on ByteBuffer that can avoid additional copying and makeappropriate use of charsets given String’s compact string support. You need to look at jdk.internal.misc.SharedSecrets for clues on how to trampoline between the nio and lang packages. Paul.
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