org.cip4.jdflib.util.hotfolder
Class HotFolder

java.lang.Object
  org.cip4.jdflib.util.hotfolder.HotFolder

All Implemented Interfaces:

java.lang.Runnable

public class HotFolder
extends java.lang.Object
implements java.lang.Runnable

a very simple hotfolder watcher subdirectories are ignored

Author:

prosirai

Nested Class Summary

protected class	HotFolder.ExtensionListener simple container class that retains the last known mod date of a file
protected class	HotFolder.FileTime simple container class that retains the last known mod date of a file

Field Summary

private java.lang.String	allExtensions
static int	defaultStabilizeTime the default time time in milliseconds to wait for stabilization
private java.io.File	dir
protected java.util.Vector<HotFolder.ExtensionListener>	hfl
private boolean	interrupt
private java.util.Vector<HotFolder.FileTime>	lastFileTime
private long	lastModified
private org.apache.commons.logging.Log	log
private static int	nThread
private java.lang.Thread	runThread
int	stabilizeTime the time in milliseconds to wait for stabilization

Constructor Summary

HotFolder(java.io.File _dir)
Deprecated. - use the 3 parameter version

HotFolder(java.io.File _dir, java.lang.String ext, HotFolderListener _hfl)
constructor for a simple hotfolder watcher that is automagically started in its own thread

Method Summary

void	addListener(HotFolderListener _hfl, java.lang.String ext)
private java.lang.String	getAllExtensions() cache the extension list, null if any wildcard is accepted
static int	getDefaultStabilizeTime()
java.io.File	getDir()
private java.io.File[]	getHotFiles()
int	getStabilizeTime()
private void	hotFiles(java.io.File fileJ)
private boolean	processSingleFile(java.io.File[] files, HotFolder.FileTime lftAt, int j, java.io.File fileJ)
void	restart() restart the thread
void	run() run the listener thread...
static void	setDefaultStabilizeTime(int defaultStabilizeTime)
void	setStabilizeTime(int stabilizeTime)
void	stop() stop this thread;
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

defaultStabilizeTime

public static int defaultStabilizeTime

the default time time in milliseconds to wait for stabilization

stabilizeTime

public int stabilizeTime

the time in milliseconds to wait for stabilization

interrupt

private boolean interrupt

nThread

private static int nThread

dir

private final java.io.File dir

allExtensions

private java.lang.String allExtensions

lastModified

private long lastModified

lastFileTime

private final java.util.Vector<HotFolder.FileTime> lastFileTime

hfl

protected final java.util.Vector<HotFolder.ExtensionListener> hfl

runThread

private java.lang.Thread runThread

log

private final org.apache.commons.logging.Log log

Constructor Detail

HotFolder

@Deprecated
public HotFolder(java.io.File _dir)

Deprecated. - use the 3 parameter version

constructor for a simple hotfolder watcher that is automagically started in its own thread

Parameters:

_dir - the Directory to watch

HotFolder

public HotFolder(java.io.File _dir,
                 java.lang.String ext,
                 HotFolderListener _hfl)

constructor for a simple hotfolder watcher that is automagically started in its own thread

Parameters:

_dir - the Directory to watch

ext - the extension filter - case is ignored and lists of extensions may be specified as a comma separated list e.g. ".txt,.xml"

_hfl - the listener callback

Method Detail

getDir

public java.io.File getDir()

Returns:

the hot folder directory

getAllExtensions

private java.lang.String getAllExtensions()

cache the extension list, null if any wildcard is accepted

Returns:

the comma separated list of extensions

addListener

public void addListener(HotFolderListener _hfl,
                        java.lang.String ext)

Parameters:

_hfl -

ext -

restart

public void restart()

restart the thread

stop

public void stop()

stop this thread;

run

public void run()

run the listener thread...

Specified by:

run in interface java.lang.Runnable

See Also:

Runnable.run()

getHotFiles

private java.io.File[] getHotFiles()

processSingleFile

private boolean processSingleFile(java.io.File[] files,
                                  HotFolder.FileTime lftAt,
                                  int j,
                                  java.io.File fileJ)

hotFiles

private void hotFiles(java.io.File fileJ)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

getDefaultStabilizeTime

public static int getDefaultStabilizeTime()

Returns:

the defaultStabilizeTime

setDefaultStabilizeTime

public static void setDefaultStabilizeTime(int defaultStabilizeTime)

Parameters:

defaultStabilizeTime - the defaultStabilizeTime to set

getStabilizeTime

public int getStabilizeTime()

Returns:

the stabilizeTime

setStabilizeTime

public void setStabilizeTime(int stabilizeTime)

Parameters:

stabilizeTime - the stabilizeTime to set