Package br.pucrio.tecgraf.soma.job.log.watcher.impl

Class JobLogFileWatcher

java.lang.Object

br.pucrio.tecgraf.soma.job.log.watcher.impl.JobLogFileWatcher

All Implemented Interfaces:

IFileWatcher, IWatcher, Closeable, AutoCloseable

public class JobLogFileWatcher
extends Object
implements IFileWatcher

The Job Logs file watcher that watches for changes in files.

Constructor Summary

Constructors

Constructor	Description
JobLogFileWatcher(IFileWatcher watcher)	Constructor with a file watcher.
JobLogFileWatcher(List<IFileWatchEventListener> listeners)	Constructor with a list of listeners for test purposes.

Method Summary

Modifier and Type	Method	Description
void	addAllMonitoredFilePath(List<String> filePaths)
void	addFileWatchEventListener(IFileWatchEventListener listener)
void	addMonitoredFilePath(String filePath)
void	close()
List<String>	getMonitoredFilePaths()
protected String	getParentFilePath(List<String> fileStrPaths)	Get and check parent files from file list.
boolean	isMonitoredFilePathsEmpty()
boolean	isWatching()
void	register()	Watch a list of file for changes.
void	register(String dirStrPath, FileFilter filter)
void	removeFileWatchEventListener(IFileWatchEventListener listener)
void	removeMonitoredFilePath(String filePath)
void	startWatch()
void	stopWatch()

Methods inherited from class java.lang.Object

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

Constructor Detail

JobLogFileWatcher

public JobLogFileWatcher(List<IFileWatchEventListener> listeners)

Constructor with a list of listeners for test purposes.

Parameters:

watchService -

listeners -

JobLogFileWatcher

public JobLogFileWatcher(IFileWatcher watcher)

Constructor with a file watcher.

Parameters:

watchService -

listeners -

Method Detail

register

public void register()
              throws IOException

Watch a list of file for changes.

Throws:

IOException - Exception in register

getParentFilePath

protected String getParentFilePath(List<String> fileStrPaths)

Get and check parent files from file list.

Parameters:

fileStrPaths - file list to be watched.

Returns:

The parent file string path or an exception in case of any files are not siblings.

getMonitoredFilePaths

public List<String> getMonitoredFilePaths()

addMonitoredFilePath

public void addMonitoredFilePath(String filePath)

addAllMonitoredFilePath

public void addAllMonitoredFilePath(List<String> filePaths)

removeMonitoredFilePath

public void removeMonitoredFilePath(String filePath)

isMonitoredFilePathsEmpty

public boolean isMonitoredFilePathsEmpty()

startWatch

public void startWatch()
                throws InterruptedException

Specified by:

startWatch in interface IFileWatcher

Throws:

InterruptedException

stopWatch

public void stopWatch()
               throws Exception

Specified by:

stopWatch in interface IFileWatcher

Throws:

Exception

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

register

public void register(String dirStrPath,
                     FileFilter filter)
              throws IOException

Specified by:

register in interface IFileWatcher

Throws:

IOException

addFileWatchEventListener

public void addFileWatchEventListener(IFileWatchEventListener listener)

Specified by:

addFileWatchEventListener in interface IFileWatcher

removeFileWatchEventListener

public void removeFileWatchEventListener(IFileWatchEventListener listener)

Specified by:

removeFileWatchEventListener in interface IFileWatcher

isWatching

public boolean isWatching()

Specified by:

isWatching in interface IFileWatcher