com.google.common.io

Class PatternFilenameFilter

java.lang.Object

com.google.common.io.PatternFilenameFilter

All Implemented Interfaces:

FilenameFilter

@Beta
public final class PatternFilenameFilter
extends Object
implements FilenameFilter

File name filter that only accepts files matching a regular expression. This class is thread-safe and immutable.

Since:

1.0

Author:

Apple Chow

Constructor Summary

Constructors

Constructor and Description
PatternFilenameFilter(Pattern pattern) Constructs a pattern file name filter object.
PatternFilenameFilter(String patternStr) Constructs a pattern file name filter object.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accept(File dir, String fileName) Tests if a specified file should be included in a file list.

Methods inherited from class java.lang.Object

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

Constructor Detail

PatternFilenameFilter

public PatternFilenameFilter(String patternStr)

Constructs a pattern file name filter object.

Parameters:

patternStr - the pattern string on which to filter file names

Throws:

PatternSyntaxException - if pattern compilation fails (runtime)

PatternFilenameFilter

public PatternFilenameFilter(Pattern pattern)

Constructs a pattern file name filter object.

Parameters:

pattern - the pattern on which to filter file names

Method Detail

accept

public boolean accept(@Nullable
             File dir,
             String fileName)

Description copied from interface: java.io.FilenameFilter

Tests if a specified file should be included in a file list.

Specified by:

accept in interface FilenameFilter

Parameters:

dir - the directory in which the file was found.

fileName - the name of the file.

Returns:

true if and only if the name should be included in the file list; false otherwise.