PatternFilenameFilter (Guava: Google Core Libraries for Java 32.1.2-jre API)

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

All Implemented Interfaces:

java.io.FilenameFilter
```
@GwtIncompatible
public final class PatternFilenameFilter
extends java.lang.Object
implements java.io.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(java.lang.String patternStr)`	Constructs a pattern file name filter object.
`PatternFilenameFilter(java.util.regex.Pattern pattern)`	Constructs a pattern file name filter object.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

boolean accept(java.io.File dir, java.lang.String fileName)
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PatternFilenameFilter
```
public PatternFilenameFilter(java.lang.String patternStr)
```
    Constructs a pattern file name filter object.
    
    Parameters:
    
    patternStr - the pattern string on which to filter file names
    
    Throws:
    
    java.util.regex.PatternSyntaxException - if pattern compilation fails (runtime)
  - PatternFilenameFilter
```
public PatternFilenameFilter(java.util.regex.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(java.io.File dir,
                      java.lang.String fileName)
```
    Specified by:
    
    accept in interface java.io.FilenameFilter