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buildtools
Class FileChangeMonitor  

java.lang.Object
  buildtools.FileChangeMonitor

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public class FileChangeMonitor

extends java.lang.Object

Provides a way to determine if files in a directory have changed.

Version:

$Id: FileChangeMonitor.java,v 1.2 1999/12/12 17:53:27 burton Exp $

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Nested Class Summary
class	FileChangeMonitor.MonitoredFile

 

Field Summary
private  java.lang.String	directory
private  java.lang.String[]	extensions
private  java.util.Hashtable	files           A list of files and their modification times.

 

Constructor Summary

FileChangeMonitor(java.lang.String directory, java.lang.String[] extensions)           Looks at the given directory and all files underneath only matching the given extensions.

 

Method Summary
void	check()           Checks the new modification times of registered files.
java.lang.String[]	getAllFiles()           Returns all files that are being monitored.
java.lang.String[]	getChangedFiles()           Returns the files that have been changed for this monitor.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

files

private java.util.Hashtable files

A list of files and their modification times. The

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directory

private java.lang.String directory

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extensions

private java.lang.String[] extensions

Constructor Detail

FileChangeMonitor

public FileChangeMonitor(java.lang.String directory,
                         java.lang.String[] extensions)

Looks at the given directory and all files underneath only matching the given extensions.

Method Detail

getChangedFiles

public java.lang.String[] getChangedFiles()

Returns the files that have been changed for this monitor.

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getAllFiles

public java.lang.String[] getAllFiles()

Returns all files that are being monitored.

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check

public void check()

Checks the new modification times of registered files. And sets their modification time to their new value. If any files were deleted, they are removed from the list, if any files are created, they are added to the list.

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