PatternFilenameFilter (Guava: Google Core Libraries for Java HEAD-jre-SNAPSHOT API)

java.lang.Object
- com.google.common.io.PatternFilenameFilter

All Implemented Interfaces:

FilenameFilter
```
@Beta
@GwtIncompatible
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	Description
`PatternFilenameFilter(String patternStr)`	Constructs a pattern file name filter object.
`PatternFilenameFilter(Pattern pattern)`	Constructs a pattern file name filter object.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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(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.