Module id.xfunction

Package id.xfunction.io

Class ByteBufferUtils

Object

ByteBufferUtils

public class ByteBufferUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
ByteBufferUtils()

Method Summary

Modifier and Type	Method	Description
byte[]	asBytes(ByteBuffer data)	If input ByteBuffer is direct (keeps data in native memory) it will copy all data to byte array (inside Java Heap) and return it.
String	asString(ByteBuffer byteBuffer)	Return content of ByteBuffer as hexadecimal pairs string
ByteBuffer	copyToHead(ByteBuffer buf, int start, int end)	Copies portion of the buffer between [start, end) to the head of the ByteBuffer.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ByteBufferUtils

public ByteBufferUtils()

Method Details

copyToHead

public ByteBuffer copyToHead(ByteBuffer buf,
 int start,
 int end)

Copies portion of the buffer between [start, end) to the head of the ByteBuffer. The existing elements will be overwritten.

Returns:

same buf with position set to the length of the portion shifted

asBytes

public byte[] asBytes(ByteBuffer data)

If input ByteBuffer is direct (keeps data in native memory) it will copy all data to byte array (inside Java Heap) and return it. Otherwise it will return ByteBuffer.array()

asString

public String asString(ByteBuffer byteBuffer)

Return content of ByteBuffer as hexadecimal pairs string