Package org.mariadb.jdbc.util.log

Class LoggerHelper

java.lang.Object
org.mariadb.jdbc.util.log.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 Details

    • LoggerHelper

      public LoggerHelper()

  • Method Details

    • 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