Class Logger

Object
   |
   +--Logger

class Logger

Logger class logs messages to a text file..

The config.xml file defines the logger tag:

   <logger>
      <file-name>${root}/WEB-INF/logs/application.log</file-name>
      <max-size>512</max-size>
      <generations>3</generations>
      <log-level>FILTER_INFO</log-level>
   </logger>
 

• file-name - specifies the name of the file. ${root} variable is expanded with the full path to your web application location.
• max-size - tell the maximum size of the file before it rolls in kilobytes.
• generations - numbers of files to keep before rolling them removing the oldest. For example:

  application.log
  application.log.1
  application.log.2
  application.log.3 - the oldest

Example of log entry: [2007/03/06 02:25:31] {I} TRAN ID - 1173147931231-1 {I} Info message goes here

Field Detail

FILTER_ERROR

<static> Object FILTER_ERROR

Logs errors

FILTER_INFO

<static> Object FILTER_INFO

Logs info messages

FILTER_NONE

<static> Object FILTER_NONE

Logs nothing

FILTER_WARNING

<static> Object FILTER_WARNING

Logs warnings

Logger

Logger(<Config> config)

Constructs a Logger object.

Parameters:
config - The instance of Config class.

Returns:
A new Logger object.

error

String error(<Object> err)

Logs error message.

Parameters:
err - The err object to log

Returns:
The transactionId so that you can locate it in the log file

info

String info(<String> msg)

Logs information level message.

Parameters:
msg - The message to log

Returns:
The transactionId so that you can locate it in the log file

warning

String warning(<Object> err)

Logs warning message.

Parameters:
err - The err object to log

Returns:
The transactionId so that you can locate it in the log file