databionics.io
Class FileExtensionFilter

java.lang.Object
  extended by javax.swing.filechooser.FileFilter
      extended by databionics.io.FileExtensionFilter

public class FileExtensionFilter
extends javax.swing.filechooser.FileFilter

A convenience implementation of FileFilter that filters out all files except for those type extensions that it knows about. stolen from Sun Java Demo


Constructor Summary
FileExtensionFilter()
          Creates a file filter.
FileExtensionFilter(java.lang.String extension)
          Creates a file filter that accepts files with the given extension.
FileExtensionFilter(java.lang.String[] filters)
          Creates a file filter from the given string array.
FileExtensionFilter(java.lang.String[] filters, java.lang.String description)
          Creates a file filter from the given string array and description.
FileExtensionFilter(java.lang.String extension, java.lang.String description)
          Creates a file filter that accepts the given file type.
 
Method Summary
 boolean accept(java.io.File f)
          Return true if this file should be shown in the directory pane, false if it shouldn't.
 void addExtension(java.lang.String extension)
          Adds a filetype "dot" extension to filter against.
 void clear()
          Clears list of file filters and descriptions
 java.lang.String getDescription()
          Returns the human readable description of this filter.
 java.lang.String getExtension(java.io.File f)
          Return the extension portion of the file's name .
 boolean isExtensionListInDescription()
          Returns whether the extension list (.jpg, .gif, etc) should show up in the human readable description.
 void setDescription(java.lang.String description)
          Sets the human readable description of this filter.
 void setExtensionListInDescription(boolean b)
          Determines whether the extension list (.jpg, .gif, etc) should show up in the human readable description.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FileExtensionFilter

public FileExtensionFilter()
Creates a file filter. If no filters are added, then all files are accepted.


FileExtensionFilter

public FileExtensionFilter(java.lang.String extension)
Creates a file filter that accepts files with the given extension. Example: new BDMFileFilter("jpg");


FileExtensionFilter

public FileExtensionFilter(java.lang.String extension,
                           java.lang.String description)
Creates a file filter that accepts the given file type. Example: new BDMFileFilter("jpg", "JPEG Image Images");


FileExtensionFilter

public FileExtensionFilter(java.lang.String[] filters)
Creates a file filter from the given string array. Example: new BDMFileFilter(String {"gif", "jpg"});


FileExtensionFilter

public FileExtensionFilter(java.lang.String[] filters,
                           java.lang.String description)
Creates a file filter from the given string array and description. Example: new BDMFileFilter(String {"gif", "jpg"}, "Gif and JPG Images");

Method Detail

accept

public boolean accept(java.io.File f)
Return true if this file should be shown in the directory pane, false if it shouldn't.

Specified by:
accept in class javax.swing.filechooser.FileFilter

getExtension

public java.lang.String getExtension(java.io.File f)
Return the extension portion of the file's name .


addExtension

public void addExtension(java.lang.String extension)
Adds a filetype "dot" extension to filter against. For example: the following code will create a filter that filters out all files except those that end in ".jpg" and ".tif": BDMFileFilter filter = new BDMFileFilter(); filter.addExtension("jpg"); filter.addExtension("tif");


getDescription

public java.lang.String getDescription()
Returns the human readable description of this filter. For example: "JPEG and GIF Image Files (*.jpg, *.gif)"

Specified by:
getDescription in class javax.swing.filechooser.FileFilter

setDescription

public void setDescription(java.lang.String description)
Sets the human readable description of this filter. For example: filter.setDescription("Gif and JPG Images");


setExtensionListInDescription

public void setExtensionListInDescription(boolean b)
Determines whether the extension list (.jpg, .gif, etc) should show up in the human readable description.


isExtensionListInDescription

public boolean isExtensionListInDescription()
Returns whether the extension list (.jpg, .gif, etc) should show up in the human readable description.


clear

public void clear()
Clears list of file filters and descriptions



Copyright © 2005-2006 Databionics Research Group. All Rights Reserved.