public JFileChooser() 
{
    // *************************************
    // ***** JFileChooser Constructors *****
    // *************************************
        this((File) null, (FileSystemView) null);
}

Constructs a JFileChooser pointing to the user's default directory. This default depends on the operating system. It is typically the "My Documents" folder on Windows, and the user's home directory on Unix.

 public JFileChooser(String currentDirectoryPath) 
{
        this(currentDirectoryPath, (FileSystemView) null);
}

Constructs a JFileChooser using the given path. Passing in a null string causes the file chooser to point to the user's default directory. This default depends on the operating system. It is typically the "My Documents" folder on Windows, and the user's home directory on Unix.

Parameters:

currentDirectoryPath - a String giving the path to a file or directory

 public JFileChooser(File currentDirectory) 
{
        this(currentDirectory, (FileSystemView) null);
}

Constructs a JFileChooser using the given File as the path. Passing in a null file causes the file chooser to point to the user's default directory. This default depends on the operating system. It is typically the "My Documents" folder on Windows, and the user's home directory on Unix.

Parameters:

currentDirectory - a File object specifying the path to a file or directory

 public JFileChooser(FileSystemView fsv) 
{
        this((File) null, fsv);
}

Constructs a JFileChooser using the given FileSystemView.

 public JFileChooser(File currentDirectory,
    FileSystemView fsv) 
{
        setup(fsv);
        setCurrentDirectory(currentDirectory);
}

Constructs a JFileChooser using the given current directory and FileSystemView.

 public JFileChooser(String currentDirectoryPath,
    FileSystemView fsv) 
{
        setup(fsv);
        if(currentDirectoryPath == null) {
            setCurrentDirectory(null);
        } else {
            setCurrentDirectory(fileSystemView.createFileObject(currentDirectoryPath));
        }
}

Constructs a JFileChooser using the given current directory path and FileSystemView.

 public boolean accept(File f) 
{
        boolean shown = true;
        if(f != null && fileFilter != null) {
            shown = fileFilter.accept(f);
        }
        return shown;
}

Returns true if the file should be displayed.

 public  void addActionListener(ActionListener l) 
{
        listenerList.add(ActionListener.class, l);
}

Adds an ActionListener to the file chooser.

 public  void addChoosableFileFilter(FileFilter filter) 
{
        if(filter != null && !filters.contains(filter)) {
            FileFilter[] oldValue = getChoosableFileFilters();
            filters.addElement(filter);
            firePropertyChange(CHOOSABLE_FILE_FILTER_CHANGED_PROPERTY, oldValue, getChoosableFileFilters());
            if (fileFilter == null && filters.size() == 1) {
                setFileFilter(filter);
            }
        }
}

Adds a filter to the list of user choosable file filters. For information on setting the file selection mode, see setFileSelectionMode .

 public  void approveSelection() 
{
        returnValue = APPROVE_OPTION;
        if(dialog != null) {
            dialog.setVisible(false);
        }
        fireActionPerformed(APPROVE_SELECTION);
}

Called by the UI when the user hits the Approve button (labeled "Open" or "Save", by default). This can also be called by the programmer. This method causes an action event to fire with the command string equal to APPROVE_SELECTION.

 public  void cancelSelection() 
{
        returnValue = CANCEL_OPTION;
        if(dialog != null) {
            dialog.setVisible(false);
        }
        fireActionPerformed(CANCEL_SELECTION);
}

Called by the UI when the user chooses the Cancel button. This can also be called by the programmer. This method causes an action event to fire with the command string equal to CANCEL_SELECTION.

 public  void changeToParentDirectory() 
{
        selectedFile = null;
        File oldValue = getCurrentDirectory();
        setCurrentDirectory(getFileSystemView().getParentDirectory(oldValue));
}

Changes the directory to be set to the parent of the current directory.

 protected JDialog createDialog(Component parent) throws HeadlessException 
{
        String title = getUI().getDialogTitle(this);
        putClientProperty(AccessibleContext.ACCESSIBLE_DESCRIPTION_PROPERTY,
                          title);
        JDialog dialog;
        Window window = JOptionPane.getWindowForComponent(parent);
        if (window instanceof Frame) {
            dialog = new JDialog((Frame)window, title, true);
        } else {
            dialog = new JDialog((Dialog)window, title, true);
        }
        dialog.setComponentOrientation(this.getComponentOrientation());
        Container contentPane = dialog.getContentPane();
        contentPane.setLayout(new BorderLayout());
        contentPane.add(this, BorderLayout.CENTER);
        if (JDialog.isDefaultLookAndFeelDecorated()) {
            boolean supportsWindowDecorations =
            UIManager.getLookAndFeel().getSupportsWindowDecorations();
            if (supportsWindowDecorations) {
                dialog.getRootPane().setWindowDecorationStyle(JRootPane.FILE_CHOOSER_DIALOG);
            }
        }
        dialog.pack();
        dialog.setLocationRelativeTo(parent);
        return dialog;
}

Creates and returns a new JDialog wrapping this centered on the parent in the parent's frame. This method can be overriden to further manipulate the dialog, to disable resizing, set the location, etc. Example:

class MyFileChooser extends JFileChooser {
protected JDialog createDialog(Component parent) throws HeadlessException {
JDialog dialog = super.createDialog(parent);
dialog.setLocation(300, 200);
dialog.setResizable(false);
return dialog;
}
}

 public  void ensureFileIsVisible(File f) 
{
        getUI().ensureFileIsVisible(this, f);
}

Makes sure that the specified file is viewable, and not hidden.

 protected  void fireActionPerformed(String command) 
{
        // Guaranteed to return a non-null array
        Object[] listeners = listenerList.getListenerList();
        long mostRecentEventTime = EventQueue.getMostRecentEventTime();
        int modifiers = 0;
        AWTEvent currentEvent = EventQueue.getCurrentEvent();
        if (currentEvent instanceof InputEvent) {
            modifiers = ((InputEvent)currentEvent).getModifiers();
        } else if (currentEvent instanceof ActionEvent) {
            modifiers = ((ActionEvent)currentEvent).getModifiers();
        }
        ActionEvent e = null;
        // Process the listeners last to first, notifying
        // those that are interested in this event
        for (int i = listeners.length-2; i >=0; i-=2) {
            if (listeners[i]==ActionListener.class) {
                // Lazily create the event:
                if (e == null) {
                    e = new ActionEvent(this, ActionEvent.ACTION_PERFORMED,
                                        command, mostRecentEventTime,
                                        modifiers);
                }
                ((ActionListener)listeners[i+1]).actionPerformed(e);
            }
        }
}

Notifies all listeners that have registered interest for notification on this event type. The event instance is lazily created using the command parameter.

 public FileFilter getAcceptAllFileFilter() 
{
        FileFilter filter = null;
        if(getUI() != null) {
            filter = getUI().getAcceptAllFileFilter(this);
        }
        return filter;
}

Returns the AcceptAll file filter. For example, on Microsoft Windows this would be All Files (*.*).

 public AccessibleContext getAccessibleContext() 
{
                                                      
        if (accessibleContext == null) {
            accessibleContext = new AccessibleJFileChooser();
        }
        return accessibleContext;
}

Gets the AccessibleContext associated with this JFileChooser. For file choosers, the AccessibleContext takes the form of an AccessibleJFileChooser. A new AccessibleJFileChooser instance is created if necessary.

 public JComponent getAccessory() 
{
        return accessory;
}

Returns the accessory component.

 public ActionListener[] getActionListeners() 
{
        return (ActionListener[])listenerList.getListeners(
                ActionListener.class);
}

Returns an array of all the action listeners registered on this file chooser.

 public int getApproveButtonMnemonic() 
{
        return approveButtonMnemonic;
}

Returns the approve button's mnemonic.

 public String getApproveButtonText() 
{
        return approveButtonText;
}

Returns the text used in the ApproveButton in the FileChooserUI. If null, the UI object will determine the button's text. Typically, this would be "Open" or "Save".

 public String getApproveButtonToolTipText() 
{
        return approveButtonToolTipText;
}

Returns the tooltip text used in the ApproveButton. If null, the UI object will determine the button's text.

 public FileFilter[] getChoosableFileFilters() 
{
        FileFilter[] filterArray = new FileFilter[filters.size()];
        filters.copyInto(filterArray);
        return filterArray;
}

Gets the list of user choosable file filters.

 public boolean getControlButtonsAreShown() 
{
        return controlsShown;
}

Returns the value of the controlButtonsAreShown property.

 public File getCurrentDirectory() 
{
        return currentDirectory;
}

Returns the current directory.

 public String getDescription(File f) 
{
        String description = null;
        if(f != null) {
            if(getFileView() != null) {
                description = getFileView().getDescription(f);
            }
            if(description == null && uiFileView != null) {
                description = uiFileView.getDescription(f);
            }
        }
        return description;
}

Returns the file description.

 public String getDialogTitle() 
{
        return dialogTitle;
}

Gets the string that goes in the JFileChooser's titlebar.

 public int getDialogType() 
{
        return dialogType;
}

Returns the type of this dialog. The default is JFileChooser.OPEN_DIALOG.

 public boolean getDragEnabled() 
{
        return dragEnabled;
}

Gets the value of the dragEnabled property.

 public FileFilter getFileFilter() 
{
        return fileFilter;
}

Returns the currently selected file filter.

 public int getFileSelectionMode() 
{
        return fileSelectionMode;
}

Returns the current file-selection mode. The default is JFilesChooser.FILES_ONLY.

 public FileSystemView getFileSystemView() 
{
        return fileSystemView;
}

Returns the file system view.

 public FileView getFileView() 
{
        return fileView;
}

Returns the current file view.

 public Icon getIcon(File f) 
{
        Icon icon = null;
        if (f != null) {
            if(getFileView() != null) {
                icon = getFileView().getIcon(f);
            }
            if(icon == null && uiFileView != null) {
                icon = uiFileView.getIcon(f);
            }
        }
        return icon;
}

Returns the icon for this file or type of file, depending on the system.

 public String getName(File f) 
{
        String filename = null;
        if(f != null) {
            if(getFileView() != null) {
                filename = getFileView().getName(f);
            }
            if(filename == null && uiFileView != null) {
                filename = uiFileView.getName(f);
            }
        }
        return filename;
}

Returns the filename.

 public File getSelectedFile() 
{
        return selectedFile;
}

Returns the selected file. This can be set either by the programmer via setSelectedFile or by a user action, such as either typing the filename into the UI or selecting the file from a list in the UI.

 public File[] getSelectedFiles() 
{
        if(selectedFiles == null) {
            return new File[0];
        } else {
            return (File[]) selectedFiles.clone();
        }
}

Returns a list of selected files if the file chooser is set to allow multiple selection.

 public String getTypeDescription(File f) 
{
        String typeDescription = null;
        if(f != null) {
            if(getFileView() != null) {
                typeDescription = getFileView().getTypeDescription(f);
            }
            if(typeDescription == null && uiFileView != null) {
                typeDescription = uiFileView.getTypeDescription(f);
            }
        }
        return typeDescription;
}

Returns the file type.

 public FileChooserUI getUI() 
{
        return (FileChooserUI) ui;
}

Gets the UI object which implements the L&F for this component.

 public String getUIClassID() 
{
        return uiClassID;
}

Returns a string that specifies the name of the L&F class that renders this component.

 public boolean isAcceptAllFileFilterUsed() 
{
        return useAcceptAllFileFilter;
}

Returns whether the AcceptAll FileFilter is used.

 public boolean isDirectorySelectionEnabled() 
{
        return ((fileSelectionMode == DIRECTORIES_ONLY) || (fileSelectionMode == FILES_AND_DIRECTORIES));
}

Convenience call that determines if directories are selectable based on the current file selection mode.

 public boolean isFileHidingEnabled() 
{
        return useFileHiding;
}

Returns true if hidden files are not shown in the file chooser; otherwise, returns false.

 public boolean isFileSelectionEnabled() 
{
        return ((fileSelectionMode == FILES_ONLY) || (fileSelectionMode == FILES_AND_DIRECTORIES));
}

Convenience call that determines if files are selectable based on the current file selection mode.

 public boolean isMultiSelectionEnabled() 
{
        return multiSelectionEnabled;
}

Returns true if multiple files can be selected.

 public boolean isTraversable(File f) 
{
        Boolean traversable = null;
        if (f != null) {
            if (getFileView() != null) {
                traversable = getFileView().isTraversable(f);
            }
            if (traversable == null && uiFileView != null) {
                traversable = uiFileView.isTraversable(f);
            }
            if (traversable == null) {
                traversable = getFileSystemView().isTraversable(f);
            }
        }
        return (traversable != null && traversable.booleanValue());
}

Returns true if the file (directory) can be visited. Returns false if the directory cannot be traversed.

 protected String paramString() 
{
        String approveButtonTextString = (approveButtonText != null ?
                                          approveButtonText: "");
        String dialogTitleString = (dialogTitle != null ?
                                    dialogTitle: "");
        String dialogTypeString;
        if (dialogType == OPEN_DIALOG) {
            dialogTypeString = "OPEN_DIALOG";
        } else if (dialogType == SAVE_DIALOG) {
            dialogTypeString = "SAVE_DIALOG";
        } else if (dialogType == CUSTOM_DIALOG) {
            dialogTypeString = "CUSTOM_DIALOG";
        } else dialogTypeString = "";
        String returnValueString;
        if (returnValue == CANCEL_OPTION) {
            returnValueString = "CANCEL_OPTION";
        } else if (returnValue == APPROVE_OPTION) {
            returnValueString = "APPROVE_OPTION";
        } else if (returnValue == ERROR_OPTION) {
            returnValueString = "ERROR_OPTION";
        } else returnValueString = "";
        String useFileHidingString = (useFileHiding ?
                                    "true" : "false");
        String fileSelectionModeString;
        if (fileSelectionMode == FILES_ONLY) {
            fileSelectionModeString = "FILES_ONLY";
        } else if (fileSelectionMode == DIRECTORIES_ONLY) {
            fileSelectionModeString = "DIRECTORIES_ONLY";
        } else if (fileSelectionMode == FILES_AND_DIRECTORIES) {
            fileSelectionModeString = "FILES_AND_DIRECTORIES";
        } else fileSelectionModeString = "";
        String currentDirectoryString = (currentDirectory != null ?
                                         currentDirectory.toString() : "");
        String selectedFileString = (selectedFile != null ?
                                     selectedFile.toString() : "");
        return super.paramString() +
        ",approveButtonText=" + approveButtonTextString +
        ",currentDirectory=" + currentDirectoryString +
        ",dialogTitle=" + dialogTitleString +
        ",dialogType=" + dialogTypeString +
        ",fileSelectionMode=" + fileSelectionModeString +
        ",returnValue=" + returnValueString +
        ",selectedFile=" + selectedFileString +
        ",useFileHiding=" + useFileHidingString;
}

Returns a string representation of this JFileChooser. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null.

 public  void removeActionListener(ActionListener l) 
{
        listenerList.remove(ActionListener.class, l);
}

Removes an ActionListener from the file chooser.

 public boolean removeChoosableFileFilter(FileFilter f) 
{
        if(filters.contains(f)) {
            if(getFileFilter() == f) {
                setFileFilter(null);
            }
            FileFilter[] oldValue = getChoosableFileFilters();
            filters.removeElement(f);
            firePropertyChange(CHOOSABLE_FILE_FILTER_CHANGED_PROPERTY, oldValue, getChoosableFileFilters());
            return true;
        } else {
            return false;
        }
}

Removes a filter from the list of user choosable file filters. Returns true if the file filter was removed.

 public  void rescanCurrentDirectory() 
{
        getUI().rescanCurrentDirectory(this);
}

Tells the UI to rescan its files list from the current directory.

 public  void resetChoosableFileFilters() 
{
        FileFilter[] oldValue = getChoosableFileFilters();
        setFileFilter(null);
        filters.removeAllElements();
        if(isAcceptAllFileFilterUsed()) {
           addChoosableFileFilter(getAcceptAllFileFilter());
        }
        firePropertyChange(CHOOSABLE_FILE_FILTER_CHANGED_PROPERTY, oldValue, getChoosableFileFilters());
}

Resets the choosable file filter list to its starting state. Normally, this removes all added file filters while leaving the AcceptAll file filter.

 public  void setAcceptAllFileFilterUsed(boolean b) 
{
        boolean oldValue = useAcceptAllFileFilter;
        useAcceptAllFileFilter = b;
        if(!b) {
            removeChoosableFileFilter(getAcceptAllFileFilter());
        } else {
            removeChoosableFileFilter(getAcceptAllFileFilter());
            addChoosableFileFilter(getAcceptAllFileFilter());
        }
        firePropertyChange(ACCEPT_ALL_FILE_FILTER_USED_CHANGED_PROPERTY, oldValue, useAcceptAllFileFilter);
}

Determines whether the AcceptAll FileFilter is used as an available choice in the choosable filter list. If false, the AcceptAll file filter is removed from the list of available file filters. If true, the AcceptAll file filter will become the the actively used file filter.

 public  void setAccessory(JComponent newAccessory) 
{
        JComponent oldValue = accessory;
        accessory = newAccessory;
        firePropertyChange(ACCESSORY_CHANGED_PROPERTY, oldValue, accessory);
}

Sets the accessory component. An accessory is often used to show a preview image of the selected file; however, it can be used for anything that the programmer wishes, such as extra custom file chooser controls.

Note: if there was a previous accessory, you should unregister any listeners that the accessory might have registered with the file chooser.

 public  void setApproveButtonMnemonic(int mnemonic) 
{
        if(approveButtonMnemonic == mnemonic) {
           return;
        }
        int oldValue = approveButtonMnemonic;
        approveButtonMnemonic = mnemonic;
        firePropertyChange(APPROVE_BUTTON_MNEMONIC_CHANGED_PROPERTY, oldValue, approveButtonMnemonic);
}

Sets the approve button's mnemonic using a numeric keycode.

 public  void setApproveButtonMnemonic(char mnemonic) 
{
        int vk = (int) mnemonic;
        if(vk  >= 'a" && vk < ='z") {
            vk -= ('a" - 'A");
        }
        setApproveButtonMnemonic(vk);
}

Sets the approve button's mnemonic using a character.

 public  void setApproveButtonText(String approveButtonText) 
{
        if(this.approveButtonText == approveButtonText) {
            return;
        }
        String oldValue = this.approveButtonText;
        this.approveButtonText = approveButtonText;
        firePropertyChange(APPROVE_BUTTON_TEXT_CHANGED_PROPERTY, oldValue, approveButtonText);
}

Sets the text used in the ApproveButton in the FileChooserUI.

 public  void setApproveButtonToolTipText(String toolTipText) 
{
        if(approveButtonToolTipText == toolTipText) {
            return;
        }
        String oldValue = approveButtonToolTipText;
        approveButtonToolTipText = toolTipText;
        firePropertyChange(APPROVE_BUTTON_TOOL_TIP_TEXT_CHANGED_PROPERTY, oldValue, approveButtonToolTipText);
}

Sets the tooltip text used in the ApproveButton. If null, the UI object will determine the button's text.

 public  void setControlButtonsAreShown(boolean b) 
{
        if(controlsShown == b) {
            return;
        }
        boolean oldValue = controlsShown;
        controlsShown = b;
        firePropertyChange(CONTROL_BUTTONS_ARE_SHOWN_CHANGED_PROPERTY, oldValue, controlsShown);
}

Sets the property that indicates whether the approve and cancel buttons are shown in the file chooser. This property is true by default. Look and feels that always show these buttons will ignore the value of this property. This method fires a property-changed event, using the string value of CONTROL_BUTTONS_ARE_SHOWN_CHANGED_PROPERTY as the name of the property.

 public  void setCurrentDirectory(File dir) 
{
        File oldValue = currentDirectory;
        if (dir != null && !dir.exists()) {
            dir = currentDirectory;
        }
        if (dir == null) {
            dir = getFileSystemView().getDefaultDirectory();
        }
        if (currentDirectory != null) {
            /* Verify the toString of object */
            if (this.currentDirectory.equals(dir)) {
                return;
            }
        }
        File prev = null;
        while (!isTraversable(dir) && prev != dir) {
            prev = dir;
            dir = getFileSystemView().getParentDirectory(dir);
        }
        currentDirectory = dir;
        firePropertyChange(DIRECTORY_CHANGED_PROPERTY, oldValue, currentDirectory);
}

Sets the current directory. Passing in null sets the file chooser to point to the user's default directory. This default depends on the operating system. It is typically the "My Documents" folder on Windows, and the user's home directory on Unix. If the file passed in as currentDirectory is not a directory, the parent of the file will be used as the currentDirectory. If the parent is not traversable, then it will walk up the parent tree until it finds a traversable directory, or hits the root of the file system.

 public  void setDialogTitle(String dialogTitle) 
{
        String oldValue = this.dialogTitle;
        this.dialogTitle = dialogTitle;
        if(dialog != null) {
            dialog.setTitle(dialogTitle);
        }
        firePropertyChange(DIALOG_TITLE_CHANGED_PROPERTY, oldValue, dialogTitle);
}

Sets the string that goes in the JFileChooser window's title bar.

 public  void setDialogType(int dialogType) 
{
        if(this.dialogType == dialogType) {
            return;
        }
        if(!(dialogType == OPEN_DIALOG || dialogType == SAVE_DIALOG || dialogType == CUSTOM_DIALOG)) {
            throw new IllegalArgumentException("Incorrect Dialog Type: " + dialogType);
        }
        int oldValue = this.dialogType;
        this.dialogType = dialogType;
        if(dialogType == OPEN_DIALOG || dialogType == SAVE_DIALOG) {
            setApproveButtonText(null);
        }
        firePropertyChange(DIALOG_TYPE_CHANGED_PROPERTY, oldValue, dialogType);
}

Sets the type of this dialog. Use OPEN_DIALOG when you want to bring up a file chooser that the user can use to open a file. Likewise, use SAVE_DIALOG for letting the user choose a file for saving. Use CUSTOM_DIALOG when you want to use the file chooser in a context other than "Open" or "Save". For instance, you might want to bring up a file chooser that allows the user to choose a file to execute. Note that you normally would not need to set the JFileChooser to use CUSTOM_DIALOG since a call to setApproveButtonText does this for you. The default dialog type is JFileChooser.OPEN_DIALOG.

 public  void setDragEnabled(boolean b) 
{
        if (b && GraphicsEnvironment.isHeadless()) {
            throw new HeadlessException();
        }
        dragEnabled = b;
}

Sets the dragEnabled property, which must be true to enable automatic drag handling (the first part of drag and drop) on this component. The transferHandler property needs to be set to a non-null value for the drag to do anything. The default value of the dragEnabled property is false.

When automatic drag handling is enabled, most look and feels begin a drag-and-drop operation whenever the user presses the mouse button over an item and then moves the mouse a few pixels. Setting this property to true can therefore have a subtle effect on how selections behave.

Some look and feels might not support automatic drag and drop; they will ignore this property. You can work around such look and feels by modifying the component to directly call the exportAsDrag method of a TransferHandler.

 public  void setFileFilter(FileFilter filter) 
{
        FileFilter oldValue = fileFilter;
        fileFilter = filter;
        if (filter != null) {
            if (isMultiSelectionEnabled() && selectedFiles != null && selectedFiles.length  > 0) {
                Vector fList = new Vector();
                boolean failed = false;
                for (int i = 0; i <  selectedFiles.length; i++) {
                    if (filter.accept(selectedFiles[i])) {
                        fList.add(selectedFiles[i]);
                    } else {
                        failed = true;
                    }
                }
                if (failed) {
                    setSelectedFiles((fList.size() == 0) ? null : (File[])fList.toArray(new File[fList.size()]));
                }
            } else if (selectedFile != null && !filter.accept(selectedFile)) {
                setSelectedFile(null);
            }
        }
        firePropertyChange(FILE_FILTER_CHANGED_PROPERTY, oldValue, fileFilter);
}

Sets the current file filter. The file filter is used by the file chooser to filter out files from the user's view.

 public  void setFileHidingEnabled(boolean b) 
{
        // Dump showFilesListener since we'll ignore it from now on
        if (showFilesListener != null) {
            Toolkit.getDefaultToolkit().removePropertyChangeListener(SHOW_HIDDEN_PROP, showFilesListener);
            showFilesListener = null;
        }
        boolean oldValue = useFileHiding;
        useFileHiding = b;
        firePropertyChange(FILE_HIDING_CHANGED_PROPERTY, oldValue, useFileHiding);
}

Sets file hiding on or off. If true, hidden files are not shown in the file chooser. The job of determining which files are shown is done by the FileView.

 public  void setFileSelectionMode(int mode) 
{
        if(fileSelectionMode == mode) {
            return;
        }
        if ((mode == FILES_ONLY) || (mode == DIRECTORIES_ONLY) || (mode == FILES_AND_DIRECTORIES)) {
           int oldValue = fileSelectionMode;
           fileSelectionMode = mode;
           firePropertyChange(FILE_SELECTION_MODE_CHANGED_PROPERTY, oldValue, fileSelectionMode);
        } else {
           throw new IllegalArgumentException("Incorrect Mode for file selection: " + mode);
        }
}

Sets the JFileChooser to allow the user to just select files, just select directories, or select both files and directories. The default is JFilesChooser.FILES_ONLY.

 public  void setFileSystemView(FileSystemView fsv) 
{
        FileSystemView oldValue = fileSystemView;
        fileSystemView = fsv;
        firePropertyChange(FILE_SYSTEM_VIEW_CHANGED_PROPERTY, oldValue, fileSystemView);
}

Sets the file system view that the JFileChooser uses for accessing and creating file system resources, such as finding the floppy drive and getting a list of root drives.

 public  void setFileView(FileView fileView) 
{
        FileView oldValue = this.fileView;
        this.fileView = fileView;
        firePropertyChange(FILE_VIEW_CHANGED_PROPERTY, oldValue, fileView);
}

Sets the file view to used to retrieve UI information, such as the icon that represents a file or the type description of a file.

 public  void setMultiSelectionEnabled(boolean b) 
{
        if(multiSelectionEnabled == b) {
            return;
        }
        boolean oldValue = multiSelectionEnabled;
        multiSelectionEnabled = b;
        firePropertyChange(MULTI_SELECTION_ENABLED_CHANGED_PROPERTY, oldValue, multiSelectionEnabled);
}

Sets the file chooser to allow multiple file selections.

 public  void setSelectedFile(File file) 
{
        File oldValue = selectedFile;
        selectedFile = file;
        if(selectedFile != null) {
            if (file.isAbsolute() && !getFileSystemView().isParent(getCurrentDirectory(), selectedFile)) {
                setCurrentDirectory(selectedFile.getParentFile());
            }
            if (!isMultiSelectionEnabled() || selectedFiles == null || selectedFiles.length == 1) {
                ensureFileIsVisible(selectedFile);
            }
        }
        firePropertyChange(SELECTED_FILE_CHANGED_PROPERTY, oldValue, selectedFile);
}

Sets the selected file. If the file's parent directory is not the current directory, changes the current directory to be the file's parent directory.

 public  void setSelectedFiles(File[] selectedFiles) 
{
        File[] oldValue = this.selectedFiles;
        if (selectedFiles == null || selectedFiles.length == 0) {
            selectedFiles = null;
            this.selectedFiles = null;
            setSelectedFile(null);
        } else {
            this.selectedFiles = selectedFiles.clone();
            setSelectedFile(this.selectedFiles[0]);
        }
        firePropertyChange(SELECTED_FILES_CHANGED_PROPERTY, oldValue, selectedFiles);
}

Sets the list of selected files if the file chooser is set to allow multiple selection.

 protected  void setup(FileSystemView view) 
{
        installShowFilesListener();
        if(view == null) {
            view = FileSystemView.getFileSystemView();
        }
        setFileSystemView(view);
        updateUI();
        if(isAcceptAllFileFilterUsed()) {
            setFileFilter(getAcceptAllFileFilter());
        }
        enableEvents(AWTEvent.MOUSE_EVENT_MASK);
}

Performs common constructor initialization and setup.