Examples of io.netty.buffer.ByteBuf.arrayOffset()

io.netty.buffer.ByteBuf.arrayOffset()
Returns the offset of the first byte within the backing byte array of this buffer. @throws UnsupportedOperationException if there no accessible backing byte array


            ByteBuf output = CBUtil.allocator.heapBuffer(Snappy.uncompressedLength(input));


            try
            {
                int size = Snappy.uncompress(input, 0, input.length, output.array(), output.arrayOffset());
                output.writerIndex(size);
            }
            catch (final Throwable e)
            {
                output.release();

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            int maxCompressedLength = compressor.maxCompressedLength(input.length);
            ByteBuf outputBuf = CBUtil.allocator.heapBuffer(INTEGER_BYTES + maxCompressedLength);


            byte[] output = outputBuf.array();
            int outputOffset = outputBuf.arrayOffset();


            output[outputOffset + 0] = (byte) (input.length >>> 24);
            output[outputOffset + 1] = (byte) (input.length >>> 16);
            output[outputOffset + 2] = (byte) (input.length >>>  8);
            output[outputOffset + 3] = (byte) (input.length);

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            ByteBuf output = CBUtil.allocator.heapBuffer(uncompressedLength);


            try
            {
                int read = decompressor.decompress(input, INTEGER_BYTES, output.array(), output.arrayOffset(), uncompressedLength);
                if (read != input.length - INTEGER_BYTES)
                    throw new IOException("Compressed lengths mismatch");


                output.writerIndex(uncompressedLength);

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            byte[] input = CBUtil.readRawBytes(frame.body);
            ByteBuf output = CBUtil.allocator.heapBuffer(Snappy.maxCompressedLength(input.length));


            try
            {
                int written = Snappy.compress(input, 0, input.length, output.array(), output.arrayOffset());
                output.writerIndex(written);
            }
            catch (final Throwable e)
            {
                output.release();

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            ByteBuf output = CBUtil.allocator.heapBuffer(Snappy.uncompressedLength(input));


            try
            {
                int size = Snappy.uncompress(input, 0, input.length, output.array(), output.arrayOffset());
                output.writerIndex(size);
            }
            catch (final Throwable e)
            {
                output.release();

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            int maxCompressedLength = compressor.maxCompressedLength(input.length);
            ByteBuf outputBuf = CBUtil.allocator.heapBuffer(INTEGER_BYTES + maxCompressedLength);


            byte[] output = outputBuf.array();
            int outputOffset = outputBuf.arrayOffset();


            output[outputOffset + 0] = (byte) (input.length >>> 24);
            output[outputOffset + 1] = (byte) (input.length >>> 16);
            output[outputOffset + 2] = (byte) (input.length >>>  8);
            output[outputOffset + 3] = (byte) (input.length);

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            ByteBuf output = CBUtil.allocator.heapBuffer(uncompressedLength);


            try
            {
                int read = decompressor.decompress(input, INTEGER_BYTES, output.array(), output.arrayOffset(), uncompressedLength);
                if (read != input.length - INTEGER_BYTES)
                    throw new IOException("Compressed lengths mismatch");


                output.writerIndex(uncompressedLength);

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        // Check if the buffer is backed by an byte array. If so we can optimize it a bit an safe a copy


        ByteBuf buf = ctx.alloc().heapBuffer(chunkSize);
        boolean release = true;
        try {
            file.readFully(buf.array(), buf.arrayOffset(), chunkSize);
            buf.writerIndex(chunkSize);
            this.offset = offset + chunkSize;
            release = false;
            return buf;
        } finally {

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        }


        ByteBuf data = config.getAllocator().heapBuffer(allocHandle.guess());
        boolean free = true;
        try {
            tmpPacket.setData(data.array(), data.arrayOffset(), data.capacity());
            socket.receive(tmpPacket);


            InetSocketAddress remoteAddr = (InetSocketAddress) tmpPacket.getSocketAddress();


            int readBytes = tmpPacket.getLength();

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            final int length = data.readableBytes();
            if (remoteAddress != null) {
                tmpPacket.setSocketAddress(remoteAddress);
            }
            if (data.hasArray()) {
                tmpPacket.setData(data.array(), data.arrayOffset() + data.readerIndex(), length);
            } else {
                byte[] tmp = new byte[length];
                data.getBytes(data.readerIndex(), tmp);
                tmpPacket.setData(tmp);
            }

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