Package com.google.common.io
Class PatternFilenameFilter
- java.lang.Object
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- com.google.common.io.PatternFilenameFilter
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- 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
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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.
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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.
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Constructor Detail
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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)
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PatternFilenameFilter
public PatternFilenameFilter(Pattern pattern)
Constructs a pattern file name filter object.- Parameters:
pattern
- the pattern on which to filter file names
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Method Detail
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accept
public boolean accept(@NullableDecl 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 interfaceFilenameFilter
- 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.
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