FileNameExtensionFilter (Java Platform SE 6)
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javax.swing.filechooser
Class FileNameExtensionFilter
java.lang.Object
javax.swing.filechooser.FileFilter
javax.swing.filechooser.FileNameExtensionFilter
public final class FileNameExtensionFilterextends FileFilter
An implementation of FileFilter that 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
FileNameExtensionFilter that will show jpg files:
FileFilter filter = new FileNameExtensionFilter("JPEG file", "jpg", "jpeg");
JFileChooser fileChooser = ...;
fileChooser.addChoosableFileFilter(filter);
Since:
1.6
See Also:FileFilter,
JFileChooser.setFileFilter(javax.swing.filechooser.FileFilter),
JFileChooser.addChoosableFileFilter(javax.swing.filechooser.FileFilter),
JFileChooser.getFileFilter()
Constructor Summary
FileNameExtensionFilter(String description,
String... extensions)
Creates a FileNameExtensionFilter with the specified
description and file name extensions.
Method Summary
boolean
accept(File f)
Tests the specified file, returning true if the file is
accepted, false otherwise.
String
getDescription()
The description of this filter.
String[]
getExtensions()
Returns the set of file name extensions files are tested against.
String
toString()
Returns a string representation of the FileNameExtensionFilter.
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Constructor Detail
FileNameExtensionFilter
public FileNameExtensionFilter(String description,
String... extensions)
Creates a FileNameExtensionFilter with the specified
description and file name extensions. The returned FileNameExtensionFilter will accept all directories and any
file with a file name extension contained in extensions.
Parameters:description - textual description for the filter, may be
nullextensions - the accepted file name extensions
Throws:
IllegalArgumentException - if extensions is null, empty,
contains null, or contains an empty stringSee Also:accept(java.io.File)
Method Detail
accept
public 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 this FileFilter, or the file is a directory.
Specified by:accept in class FileFilter
Parameters:f - the File to test
Returns:true if the file is to be accepted, false otherwise
getDescription
public String getDescription()
The description of this filter. For example: "JPG and GIF Images."
Specified by:getDescription in class FileFilter
Returns:the description of this filterSee Also:FileView.getName(java.io.File)
getExtensions
public String[] getExtensions()
Returns the set of file name extensions files are tested against.
Returns:the set of file name extensions files are tested against
toString
public String toString()
Returns a string representation of the FileNameExtensionFilter.
This method is intended to be used for debugging purposes,
and the content and format of the returned string may vary
between implementations.
Overrides:toString in class Object
Returns:a string representation of this FileNameExtensionFilter
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Submit a bug or featureFor further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright 2009 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.
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