jade.util
Class PerDayFileLogger

java.lang.Object
  java.io.OutputStream
      java.io.FilterOutputStream
          java.io.PrintStream
              jade.util.PerDayFileLogger

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.Appendable

public class PerDayFileLogger
extends java.io.PrintStream

This class is an OutputStream whose output is stored in in different files according to the day it is produced. Existing files, if any, are not rewritten as output is appended at the end of the file.

Author:

Giovanni Caire - TILab

Field Summary

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

PerDayFileLogger(java.lang.String file)
Create a new day-based logger.

Method Summary

void	print(java.lang.Object obj) Print a Java object to the proper file, replacing the file every new day.
void	print(java.lang.String str) Print a string to the proper file, replacing the file every new day.
void	println() Print a new line to the proper file, replacing the file every new day.
void	println(java.lang.Object obj) Print a Java object and a newline to the proper file, replacing the file every new day.
void	println(java.lang.String str) Print a string and a new line to the proper file, replacing the file every new day.

Methods inherited from class java.io.PrintStream

append, append, append, checkError, clearError, close, flush, format, format, print, print, print, print, print, print, print, printf, printf, println, println, println, println, println, println, println, setError, write, write

Methods inherited from class java.io.FilterOutputStream

write

Methods inherited from class java.lang.Object

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

Constructor Detail

PerDayFileLogger

public PerDayFileLogger(java.lang.String file)
                 throws java.io.IOException

Create a new day-based logger.

Parameters:

file - The name of the file to write logs to.

Throws:

java.io.IOException - If some filesystem operation fails.

Method Detail

print

public void print(java.lang.Object obj)

Print a Java object to the proper file, replacing the file every new day.

Overrides:

print in class java.io.PrintStream

Parameters:

obj - The Java object to print.

print

public void print(java.lang.String str)

Print a string to the proper file, replacing the file every new day.

Overrides:

print in class java.io.PrintStream

Parameters:

str - The string to print.

println

public void println()

Print a new line to the proper file, replacing the file every new day.

Overrides:

println in class java.io.PrintStream

println

public void println(java.lang.Object obj)

Print a Java object and a newline to the proper file, replacing the file every new day.

Overrides:

println in class java.io.PrintStream

Parameters:

obj - The Java object to print.

println

public void println(java.lang.String str)

Print a string and a new line to the proper file, replacing the file every new day.

Overrides:

println in class java.io.PrintStream

Parameters:

str - THe string to print.