com.go.trove.log
Class IntervalLogStream

java.lang.Object
  |
  +--java.io.OutputStream
        |
        +--com.go.trove.log.IntervalLogStream

Direct Known Subclasses:

DailyLogStream, HourlyLogStream

public abstract class IntervalLogStream

extends java.io.OutputStream

IntervalLogStream writes to an underlying OutputStream that is opened once per a specific time interval. This class forms the basis of a dated file logging mechanism.

Version:

16 , 9/07/00

Author:

Brian S O'Neill

See Also:

DailyFileLogStream

Inner Class Summary

static interface

IntervalLogStream.Factory

Constructor Summary

IntervalLogStream(IntervalLogStream.Factory factory)

Method Summary

void	close() Closes any underlying OutputStreams and stops the auto-rollover thread if it is running.
protected void	finalize()
void	flush()
protected abstract void	moveToIntervalStart(java.util.Calendar cal) Moves calendar to beginning of log interval.
protected abstract void	moveToNextIntervalStart(java.util.Calendar cal) Moves calendar to beginning of next log interval.
void	startAutoRollover() Starts up a thread that automatically rolls the underlying OutputStream at the beginning of the interval, even if no output is written.
void	stopAutoRollover() If the auto-rollover thread was started, calling this method will stop it.
void	write(byte[] array)
void	write(byte[] array, int off, int len)
void	write(int b)

Methods inherited from class java.lang.Object

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

Constructor Detail

IntervalLogStream

public IntervalLogStream(IntervalLogStream.Factory factory)

Method Detail

startAutoRollover

public void startAutoRollover()

Starts up a thread that automatically rolls the underlying OutputStream at the beginning of the interval, even if no output is written.

stopAutoRollover

public void stopAutoRollover()

If the auto-rollover thread was started, calling this method will stop it.

moveToIntervalStart

protected abstract void moveToIntervalStart(java.util.Calendar cal)

Moves calendar to beginning of log interval.

moveToNextIntervalStart

protected abstract void moveToNextIntervalStart(java.util.Calendar cal)

Moves calendar to beginning of next log interval.

write

public void write(int b)
           throws java.io.IOException

Overrides:

write in class java.io.OutputStream

write

public void write(byte[] array)
           throws java.io.IOException

Overrides:

write in class java.io.OutputStream

write

public void write(byte[] array,
                  int off,
                  int len)
           throws java.io.IOException

Overrides:

write in class java.io.OutputStream

flush

public void flush()
           throws java.io.IOException

Overrides:

flush in class java.io.OutputStream

close

public void close()
           throws java.io.IOException

Closes any underlying OutputStreams and stops the auto-rollover thread if it is running.

Overrides:

close in class java.io.OutputStream

finalize

protected void finalize()
                 throws java.io.IOException

Overrides:

finalize in class java.lang.Object