Bytebuffer wrap using ByteBuf

Question

I want to wrap nio.bytebuffer using netty.ByteBuf without making a new object, because I want to slice nio.bytebuffer. But java.nio doesn't have that facility like netty.

Java NIO does have a slice operation. What are you talking about? — user207421
– user207421, Commented Feb 28, 2016 at 6:30
With reflection you do what ever you want. You can even turn a ByteBuf into a ByteBuffer for the same memory, though if you can stick to the public APIs your code will be easier to support. — Peter Lawrey
– Peter Lawrey, Commented Feb 28, 2016 at 10:05
@EJP : agree.but not Returns a slice of this buffer's sub-region.Like natty.slice (netty.io/4.0/api/io/netty/buffer/ByteBuf.html#slice(int,%20int)) — amil shanaka
– amil shanaka, Commented Feb 28, 2016 at 10:50
@PeterLawrey : yes i can turn ByteBuf to ByteBuffer.. but not ByteBuffer to ByteBuf — amil shanaka
– amil shanaka, Commented Feb 28, 2016 at 10:50

jtahlborn · Accepted Answer · 2016-02-28 05:08:01Z

4

Looks like you want Unpooled.wrappedBuffer(ByteBuffer)

answered Feb 28, 2016 at 5:08

jtahlborn

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2 Comments

jtahlborn Over a year ago

@user2004685 - the important part of the link (the name of the relevant method), is included in the post. please remove your downvote.

ninja.coder Over a year ago

@jtahlborn I have not down-voted it. Just categorized it as potential link-only answer during one of the reviews, requesting the essential parts of the link to be included in the answer itself.

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