The Patterns in FileHandler : Log Handler « Log « Java Tutorial






  1. Java Tutorial
  2. Log
  3. Log Handler
Expression       Meaning

/                The path separator of the local OS

%t               A directory suitable for storing temporary logging files, such as the temp directory of the OS

%h               A directory such as the "user.home" location, which is suitable to store user-specific data in the system

%g               A log generation number to rotate log files

%u               A number to make a log file unique to avoid any conflicts

%%               A literal percent sign








35.5.Log Handler
35.5.1.Use ConsoleHandler
35.5.2.Using FileHandler to log a message
35.5.3.Add Multiple Handlers to a logger
35.5.4.How to write custom handler
35.5.5.Stream Handler
35.5.6.Memory Handler Demo
35.5.7.Socket Handler Demo
35.5.8.Using Regular Expressions based on StreamHandler
35.5.9.Writing Log Records to a Log File
35.5.10.A file handler that appends.
35.5.11.Writing Log Records to Standard Error
35.5.12.Writing Log Records Only After a Condition Occurs
35.5.13.Create a memory handler with a memory of 100 records and dumps the records into the file my.log
35.5.14.Flush File Handler and Logger
35.5.15.The Patterns in FileHandler
35.5.16.Limiting the Size of a Log File
35.5.17.Limiting the Size of a Log by Using a Rotating Sequence of Files
35.5.18.Use Logger with simple formatter and FileHander
35.5.19.Alternate XML by using FileHandler
35.5.20.Window Handler: display log message in a window(JFrame)