c7a15260d6
This commit introduces various improvements in DataBuffer: - DataBuffer now exposes its read and write position, as well as its capacity and writable byte count. - Added DataBuffer.asByteBuffer(int, int) - DataBufferUtils.read now reads directly into a DataBuffer, rather than copying a ByteBuffer into a DataBuffer - TomcatHttpHandler now reads directly into a DataBuffer Issues: SPR-16068 SPR-16070