Package org.apache.catalina.ha.deploy

Class WarWatcher

java.lang.Object

org.apache.catalina.ha.deploy.WarWatcher

public class WarWatcher
extends Object

The WarWatcher watches the deployDir for changes made to the directory (adding new WAR files->deploy or remove WAR files->undeploy) and notifies a listener of the changes made.

Author:

Peter Rossbach

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	WarWatcher.WarFilter	File name filter for war files
protected static class	WarWatcher.WarInfo	File information on existing WAR files

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<String,WarWatcher.WarInfo>	currentStatus	Currently deployed files
protected final FileChangeListener	listener	Parent to be notified of changes
protected final File	watchDir	Directory to watch for war files

Constructor Summary

Constructors

Constructor	Description
WarWatcher(FileChangeListener listener, File watchDir)

Method Summary

Modifier and Type	Method	Description
protected void	addWarInfo(File warfile)	add cluster war to the watcher state
void	check()	check for modification and send notification to listener
void	clear()	clear watcher state

Methods inherited from class java.lang.Object

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

Field Details

watchDir

protected final File watchDir

Directory to watch for war files

listener

protected final FileChangeListener listener

Parent to be notified of changes

currentStatus

protected final Map<String,WarWatcher.WarInfo> currentStatus

Currently deployed files

Constructor Details

WarWatcher

public WarWatcher(FileChangeListener listener,
 File watchDir)

Method Details

check

public void check()

check for modification and send notification to listener

addWarInfo

protected void addWarInfo(File warfile)

add cluster war to the watcher state

Parameters:

warfile - The WAR to add

clear

public void clear()

clear watcher state