Flush File Handler and Logger : Log Handler « Log « Java Tutorial






  1. Java Tutorial
  2. Log
  3. Log Handler
import java.util.logging.FileHandler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

public class Main {
  public static void main(String[] args) throws Exception {
    FileHandler handler = null;
    Logger logger = Logger.getLogger("logging");

    handler = new FileHandler("pattern", 1000, 2);
    logger.addHandler(handler);
    LogRecord record = new LogRecord(Level.INFO, "Logged in a file...");
    logger.log(record);
    handler.flush();
    handler.close();
  }
}








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)