org.apache.commons.io.filefilter
Class AgeFileFilter

java.lang.Object
  org.apache.commons.io.filefilter.AbstractFileFilter
      org.apache.commons.io.filefilter.AgeFileFilter

All Implemented Interfaces:

java.io.FileFilter, java.io.FilenameFilter, IOFileFilter

public class AgeFileFilter

extends AbstractFileFilter

Filters files based on a cutoff time, can filter either older or newer files.

For example, to print all files and directories in the current directory older than one day:

 File dir = new File(".");
 // We are interested in files older than one day
 long cutoff = System.currentTimeMillis() - (24 * 60 * 60 * 1000);
 String[] files = dir.list( new AgeFileFilter(cutoff) );
 for ( int i = 0; i < files.length; i++ ) {
     System.out.println(files[i]);
 }
 

Since:

Commons IO 1.2

Version:

$Id: AgeFileFilter.java 369075 2006-01-14 18:23:42Z scolebourne $

Author:

Rahul Akolkar

Field Summary

private boolean	acceptOlder Whether the files accepted will be older or newer.
private long	cutoff The cutoff time threshold.

Constructor Summary

AgeFileFilter(java.util.Date cutoffDate)
Constructs a new age file filter for files older than a certain cutoff date.

AgeFileFilter(java.util.Date cutoffDate, boolean acceptOlder)
Constructs a new age file filter for files on any one side of a certain cutoff date.

AgeFileFilter(java.io.File cutoffReference)
Constructs a new age file filter for files older than a certain File (whose last modification time will be used as reference).

AgeFileFilter(java.io.File cutoffReference, boolean acceptOlder)
Constructs a new age file filter for files on any one side of a certain File (whose last modification time will be used as reference).

AgeFileFilter(long cutoff)
Constructs a new age file filter for files older than a certain cutoff.

AgeFileFilter(long cutoff, boolean acceptOlder)
Constructs a new age file filter for files on any one side of a certain cutoff.

Method Summary

boolean

accept(java.io.File file) Checks to see if the last modification of the file matches cutoff favorably.

Methods inherited from class org.apache.commons.io.filefilter.AbstractFileFilter

accept

Methods inherited from class java.lang.Object

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

Field Detail

cutoff

private long cutoff

The cutoff time threshold.

acceptOlder

private boolean acceptOlder

Whether the files accepted will be older or newer.

Constructor Detail

AgeFileFilter

public AgeFileFilter(long cutoff)

Constructs a new age file filter for files older than a certain cutoff.

Parameters:

cutoff - the threshold age of the files

AgeFileFilter

public AgeFileFilter(long cutoff,
                     boolean acceptOlder)

Constructs a new age file filter for files on any one side of a certain cutoff.

Parameters:

cutoff - the threshold age of the files

acceptOlder - if true, older files are accepted, else newer ones

AgeFileFilter

public AgeFileFilter(java.util.Date cutoffDate)

Constructs a new age file filter for files older than a certain cutoff date.

Parameters:

cutoffDate - the threshold age of the files

AgeFileFilter

public AgeFileFilter(java.util.Date cutoffDate,
                     boolean acceptOlder)

Constructs a new age file filter for files on any one side of a certain cutoff date.

Parameters:

cutoffDate - the threshold age of the files

acceptOlder - if true, older files are accepted, else newer ones

AgeFileFilter

public AgeFileFilter(java.io.File cutoffReference)

Constructs a new age file filter for files older than a certain File (whose last modification time will be used as reference).

Parameters:

cutoffReference - the file whose last modification time is usesd as the threshold age of the files

AgeFileFilter

public AgeFileFilter(java.io.File cutoffReference,
                     boolean acceptOlder)

Constructs a new age file filter for files on any one side of a certain File (whose last modification time will be used as reference).

Parameters:

cutoffReference - the file whose last modification time is usesd as the threshold age of the files

acceptOlder - if true, older files are accepted, else newer ones

Method Detail

accept

public boolean accept(java.io.File file)

Checks to see if the last modification of the file matches cutoff favorably. If last modification time equals cutoff, file is not selected.

Specified by:

accept in interface IOFileFilter

Overrides:

accept in class AbstractFileFilter

Parameters:

file - the File to check

Returns:

true if the filename matches