net.pandoragames.far

Class PatternFilter

java.lang.Object

net.pandoragames.far.PatternFilter

All Implemented Interfaces:

java.io.FilenameFilter

public class PatternFilter
extends java.lang.Object
implements java.io.FilenameFilter

Filters for files that match a particular RegEx pattern.

Author:

Olivier Wehner at 21.02.2008

Constructor Summary

Constructors

Constructor and Description
PatternFilter(java.io.File directory, boolean includeSubdirectories, java.util.regex.Pattern fileNamePattern) Specifies the matching conditions for this filter.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accept(java.io.File directory, java.lang.String fileName) Returns true if the file matches the pattern specified with the constructor.
int	getCallCount() Returns the number of files recently tested by this method.

Methods inherited from class java.lang.Object

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

Constructor Detail

PatternFilter

public PatternFilter(java.io.File directory,
             boolean includeSubdirectories,
             java.util.regex.Pattern fileNamePattern)
              throws java.io.IOException

Specifies the matching conditions for this filter. If the "directory" argument is not null, only files in, or below the specified directory will match. Otherwise any file that matches the pattern will match.

Parameters:

directory - if null, parent directory will not be tested.

fileNamePattern - pattern to be matched by the file name.

Throws:

java.io.IOException - if the "directory" argument is not null, but does not denote an existing directory.

Method Detail

accept

public boolean accept(java.io.File directory,
             java.lang.String fileName)

Returns true if the file matches the pattern specified with the constructor.

Specified by:

accept in interface java.io.FilenameFilter

See Also:

FilenameFilter.accept(java.io.File, java.lang.String)

getCallCount

public int getCallCount()

Returns the number of files recently tested by this method. More precisely, the method returns the number of times the accept() method was called and resets the counter to 0.

Returns:

number of times accept() since last call to this method