de.bianet
Class StdFileFilter

java.lang.Object
  |
  +--javax.swing.filechooser.FileFilter
        |
        +--de.bianet.StdFileFilter

public class StdFileFilter

extends javax.swing.filechooser.FileFilter

Implementierung eines standard FileFilters. Wird z.B. für eine Datei-Auswahlbox benutzt

Author:

Heiko Meyn

Field Summary

private java.lang.String	description
private java.util.Hashtable	filters
private java.lang.String	fullDescription
private static java.lang.String	HIDDEN_FILE
private static java.lang.String	TYPE_UNKNOWN
private boolean	useExtensionsInDescription

Constructor Summary

StdFileFilter()
Creates a file filter.

StdFileFilter(java.lang.String extension)
Creates a file filter that accepts files with the given extension.

StdFileFilter(java.lang.String[] filters)
Creates a file filter from the given string array.

StdFileFilter(java.lang.String[] filters, java.lang.String description)
Creates a file filter from the given string array and description.

StdFileFilter(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.
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

Field Detail

TYPE_UNKNOWN

private static java.lang.String TYPE_UNKNOWN

HIDDEN_FILE

private static java.lang.String HIDDEN_FILE

filters

private java.util.Hashtable filters

description

private java.lang.String description

fullDescription

private java.lang.String fullDescription

useExtensionsInDescription

private boolean useExtensionsInDescription

Constructor Detail

StdFileFilter

public StdFileFilter()

Creates a file filter. If no filters are added, then all files are accepted.

See Also:

addExtension(java.lang.String)

StdFileFilter

public StdFileFilter(java.lang.String extension)

Creates a file filter that accepts files with the given extension. Example: new StdFileFilter("jpg");

See Also:

addExtension(java.lang.String)

StdFileFilter

public StdFileFilter(java.lang.String extension,
                     java.lang.String description)

Creates a file filter that accepts the given file type. Example: new ExampleFileFilter("jpg", "JPEG Image Images"); Note that the "." before the extension is not needed. If provided, it will be ignored.

See Also:

addExtension(java.lang.String)

StdFileFilter

public StdFileFilter(java.lang.String[] filters)

Creates a file filter from the given string array. Example: new ExampleFileFilter(String {"gif", "jpg"}); Note that the "." before the extension is not needed and will be ignored.

See Also:

addExtension(java.lang.String)

StdFileFilter

public StdFileFilter(java.lang.String[] filters,
                     java.lang.String description)

Creates a file filter from the given string array and description. Example: new ExampleFileFilter(String {"gif", "jpg"}, "Gif and JPG Images"); Note that the "." before the extension is not needed and will be ignored.

See Also:

addExtension(java.lang.String)

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. Files that begin with "." are ignored.

Specified by:

accept in class javax.swing.filechooser.FileFilter

See Also:

getExtension(java.io.File), FileFilter.accept(java.io.File)

getExtension

public java.lang.String getExtension(java.io.File f)

Return the extension portion of the file's name .

See Also:

getExtension(java.io.File), FileFilter.accept(java.io.File)

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": ExampleFileFilter filter = new ExampleFileFilter(); filter.addExtension("jpg"); filter.addExtension("tif"); Note that the "." before the extension is not needed and will be ignored.

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

See Also:

setDescription(java.lang.String), setExtensionListInDescription(boolean), isExtensionListInDescription(), FileFilter.getDescription()

setDescription

public void setDescription(java.lang.String description)

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

See Also:

setDescription(java.lang.String), setExtensionListInDescription(boolean), isExtensionListInDescription()

setExtensionListInDescription

public void setExtensionListInDescription(boolean b)

Determines whether the extension list (.jpg, .gif, etc) should show up in the human readable description. Only relevent if a description was provided in the constructor or using setDescription();

See Also:

getDescription(), setDescription(java.lang.String), isExtensionListInDescription()

isExtensionListInDescription

public boolean isExtensionListInDescription()

Returns whether the extension list (.jpg, .gif, etc) should show up in the human readable description. Only relevent if a description was provided in the constructor or using setDescription();

See Also:

getDescription(), setDescription(java.lang.String), setExtensionListInDescription(boolean)