com.arxanfintech.common.util

Class RLP

java.lang.Object

com.arxanfintech.common.util.RLP

public class RLP
extends Object

Constructor Summary

Constructors

Constructor and Description
RLP()

Method Summary

Modifier and Type	Method and Description
static int	calcElementPrefixSize(byte[] srcData)
static BigInteger	decodeBigInteger(byte[] data, int index)
static int	decodeInt(byte[] data, int index)
static byte[]	decodeIP4Bytes(byte[] data, int index)
static byte[]	encodeBigInteger(BigInteger srcBigInteger)
static byte[]	encodeByte(byte singleByte)
static byte[]	encodeElement(byte[] srcData)
static byte[]	encodeInt(int singleInt)
static byte[]	encodeLength(int length, int offset) Integer limitation goes up to 2^31-1 so length can never be bigger than MAX_ITEM_LENGTH
static byte[]	encodeList(byte[]... elements)
static byte[]	encodeListHeader(int size)
static byte[]	encodeLongElementHeader(int length)
static byte[]	encodeShort(short singleShort)
static byte[]	encodeString(String srcString)
static void	fullTraverse(byte[] msgData, int level, int startPos, int endPos, int levelToIndex, Queue<Integer> index) Get exactly one message payload
static byte	getCommandCode(byte[] data)
static int	getFirstListElement(byte[] payload, int pos)
static int	getNextElementIndex(byte[] payload, int pos)

Methods inherited from class java.lang.Object

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

Constructor Detail

RLP

public RLP()

Method Detail

decodeInt

public static int decodeInt(byte[] data,
                            int index)

decodeBigInteger

public static BigInteger decodeBigInteger(byte[] data,
                                          int index)

decodeIP4Bytes

public static byte[] decodeIP4Bytes(byte[] data,
                                    int index)

getFirstListElement

public static int getFirstListElement(byte[] payload,
                                      int pos)

getNextElementIndex

public static int getNextElementIndex(byte[] payload,
                                      int pos)

fullTraverse

public static void fullTraverse(byte[] msgData,
                                int level,
                                int startPos,
                                int endPos,
                                int levelToIndex,
                                Queue<Integer> index)

Get exactly one message payload

Parameters:

msgData - msgData

level - level

startPos - startPos

endPos - endPos

levelToIndex - levelToIndex

index - index

getCommandCode

public static byte getCommandCode(byte[] data)

encodeLength

public static byte[] encodeLength(int length,
                                  int offset)

Integer limitation goes up to 2^31-1 so length can never be bigger than MAX_ITEM_LENGTH

Parameters:

length - length

offset - offset

Returns:

byte[]

encodeByte

public static byte[] encodeByte(byte singleByte)

encodeShort

public static byte[] encodeShort(short singleShort)

encodeInt

public static byte[] encodeInt(int singleInt)

encodeString

public static byte[] encodeString(String srcString)

encodeBigInteger

public static byte[] encodeBigInteger(BigInteger srcBigInteger)

encodeElement

public static byte[] encodeElement(byte[] srcData)

calcElementPrefixSize

public static int calcElementPrefixSize(byte[] srcData)

encodeListHeader

public static byte[] encodeListHeader(int size)

encodeLongElementHeader

public static byte[] encodeLongElementHeader(int length)

encodeList

public static byte[] encodeList(byte[]... elements)