- java.lang.Object
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- javax.swing.filechooser.FileFilter
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- javax.swing.filechooser.FileNameExtensionFilter
 
 
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 public final class FileNameExtensionFilter extends FileFilter An implementation ofFileFilterthat filters using a specified set of extensions. The extension for a file is the portion of the file name after the last ".". Files whose name does not contain a "." have no file name extension. File name extension comparisons are case insensitive.The following example creates a FileNameExtensionFilterthat will showjpgfiles:FileFilter filter = new FileNameExtensionFilter("JPEG file", "jpg", "jpeg"); JFileChooser fileChooser = ...; fileChooser.addChoosableFileFilter(filter);
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Constructor SummaryConstructors Constructor Description FileNameExtensionFilter(String description, String... extensions)Creates aFileNameExtensionFilterwith the specified description and file name extensions.
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Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description booleanaccept(File f)Tests the specified file, returning true if the file is accepted, false otherwise.StringgetDescription()The description of this filter.String[]getExtensions()Returns the set of file name extensions files are tested against.StringtoString()Returns a string representation of theFileNameExtensionFilter.
 
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Constructor Detail- 
FileNameExtensionFilterpublic FileNameExtensionFilter(String description, String... extensions) Creates aFileNameExtensionFilterwith the specified description and file name extensions. The returnedFileNameExtensionFilterwill accept all directories and any file with a file name extension contained inextensions.- Parameters:
- description- textual description for the filter, may be- null
- extensions- the accepted file name extensions
- Throws:
- IllegalArgumentException- if extensions is- null, empty, contains- null, or contains an empty string
- See Also:
- accept(java.io.File)
 
 
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Method Detail- 
acceptpublic boolean accept(File f) Tests the specified file, returning true if the file is accepted, false otherwise. True is returned if the extension matches one of the file name extensions of thisFileFilter, or the file is a directory.- Specified by:
- acceptin class- FileFilter
- Parameters:
- f- the- Fileto test
- Returns:
- true if the file is to be accepted, false otherwise
 
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getDescriptionpublic String getDescription() The description of this filter. For example: "JPG and GIF Images."- Specified by:
- getDescriptionin class- FileFilter
- Returns:
- the description of this filter
- See Also:
- FileView.getName(java.io.File)
 
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getExtensionspublic String[] getExtensions() Returns the set of file name extensions files are tested against.- Returns:
- the set of file name extensions files are tested against
 
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toStringpublic String toString() Returns a string representation of theFileNameExtensionFilter. This method is intended to be used for debugging purposes, and the content and format of the returned string may vary between implementations.
 
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