java.io
Class DeleteOnExit

java.lang.Object
  java.lang.Thread
      java.io.DeleteOnExit

All Implemented Interfaces:

Runnable

 class DeleteOnExit
extends Thread

Implements the actual DeleteOnExit mechanism. Is registered as a shutdown hook in the Runtime, once it is actually being used.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

DeleteOnExit()

Method Summary

void	addFile(String filename) Schedules a file for deletion.
static DeleteOnExit	getInstance() Returns our singleton instance, creating it if necessary.
void	run() Does the actual work.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

DeleteOnExit

DeleteOnExit()

Method Detail

getInstance

public static DeleteOnExit getInstance()

Returns our singleton instance, creating it if necessary.

addFile

public void addFile(String filename)

Schedules a file for deletion.

Parameters:

filename - The file to delete.

run

public void run()

Does the actual work. Note we (a) first sort the files lexicographically and then (b) delete them in reverse order. This is to make sure files get deleted before their parent directories.

Specified by:

run in interface Runnable

Overrides:

run in class Thread

See Also:

Thread.start()