Package org.mariadb.r2dbc.util

Class LoggerHelper

java.lang.Object

org.mariadb.r2dbc.util.LoggerHelper

public final class LoggerHelper
extends Object

Logger helper to display network exchange

Constructor Summary

Constructors

Constructor	Description
LoggerHelper()

Method Summary

Modifier and Type	Method	Description
static String	hex(byte[] header, byte[] bytes, int offset, int dataLength, int trunkLength)	return a string containing hexa displayable value of arrays
static String	hex(byte[] bytes, int offset, int dataLength)	Write bytes/hexadecimal value of a byte array to a StringBuilder.
static String	hex(byte[] bytes, int offset, int dataLength, int trunkLength)	Transform bytes into readable string format

Methods inherited from class java.lang.Object

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

Constructor Detail

LoggerHelper

public LoggerHelper()

Method Detail

hex

public static String hex(byte[] bytes,
                         int offset,
                         int dataLength)

Write bytes/hexadecimal value of a byte array to a StringBuilder.

String output example :

 +--------------------------------------------------+
 |  0  1  2  3  4  5  6  7   8  9  a  b  c  d  e  f |
 +--------------------------------------------------+------------------+
 | 5F 00 00 00 03 73 65 74  20 61 75 74 6F 63 6F 6D | _....set autocom |
 | 6D 69 74 3D 31 2C 20 73  65 73 73 69 6F 6E 5F 74 | mit=1, session_t |
 | 72 61 63 6B 5F 73 63 68  65 6D 61 3D 31 2C 20 73 | rack_schema=1, s |
 | 71 6C 5F 6D 6F 64 65 20  3D 20 63 6F 6E 63 61 74 | ql_mode = concat |
 | 28 40 40 73 71 6C 5F 6D  6F 64 65 2C 27 2C 53 54 | (@@sql_mode,',ST |
 | 52 49 43 54 5F 54 52 41  4E 53 5F 54 41 42 4C 45 | RICT_TRANS_TABLE |
 | 53 27 29                                         | S')              |
 +--------------------------------------------------+------------------+
 

Parameters:

bytes - byte array

offset - offset

dataLength - byte length to write

Returns:

formated hexa

hex

public static String hex(byte[] bytes,
                         int offset,
                         int dataLength,
                         int trunkLength)

Transform bytes into readable string format

Parameters:

bytes - bytes

offset - offset

dataLength - data length

trunkLength - truncation limit

Returns:

readable string format

hex

public static String hex(byte[] header,
                         byte[] bytes,
                         int offset,
                         int dataLength,
                         int trunkLength)

return a string containing hexa displayable value of arrays

Parameters:

header - header array

bytes - data content

offset - data offset

dataLength - data length

trunkLength - data limit

Returns:

displayable value of arrays