private void changeDirectory(File dir) {
JFileChooser fc = getFileChooser();
// Traverse shortcuts on Windows
if (dir != null && FilePane.usesShellFolder(fc)) {
try {
ShellFolder shellFolder = ShellFolder.getShellFolder(dir);
if (shellFolder.isLink()) {
File linkedTo = shellFolder.getLinkLocation();
// If linkedTo is null we try to use dir
if (linkedTo != null) {
if (fc.isTraversable(linkedTo)) {
dir = linkedTo;
} else {
return;
}
} else {
dir = shellFolder;
}
}
} catch (FileNotFoundException ex) {
return;
}
}
fc.setCurrentDirectory(dir);
if (fc.getFileSelectionMode() == JFileChooser.FILES_AND_DIRECTORIES
&& fc.getFileSystemView().isFileSystem(dir)) {
setFileName(dir.getAbsolutePath());
}
}
/** Throws {@code FileNotFoundException} if file not found or current thread was interrupted */
ShellFolder getShellFolder(File f) throws FileNotFoundException {
if (!(f instanceof ShellFolder) && !(f instanceof FileSystemRoot) && isFileSystemRoot(f)) {
f = createFileSystemRoot(f);
}
try {
return ShellFolder.getShellFolder(f);
} catch (InternalError e) {
System.err.println("FileSystemView.getShellFolder: f=" + f);
e.printStackTrace();
return null;
}
}
private String getSystemDisplayName(File f) {
String name;
try {
name = ShellFolder.getShellFolder(f).getDisplayName();
} catch (FileNotFoundException e) {
return null;
}
if (name == null || name.length() == 0) {
name = f.getPath(); // the "/" directory
}
return name;
}
/** Gets the list of shown (i.e. not hidden) files. */
public File[] getFiles(File dir, boolean useFileHiding) {
List<File> files = new ArrayList<File>();
// add all files in dir
if (!(dir instanceof ShellFolder)) {
try {
dir = getShellFolder(dir);
} catch (FileNotFoundException e) {
return new File[0];
}
}
File[] names = ((ShellFolder) dir).listFiles(!useFileHiding);
if (names == null) {
return new File[0];
}
for (File f : names) {
if (Thread.currentThread().isInterrupted()) {
break;
}
if (!(f instanceof ShellFolder)) {
if (isFileSystemRoot(f)) {
f = createFileSystemRoot(f);
}
try {
f = ShellFolder.getShellFolder(f);
} catch (FileNotFoundException e) {
// Not a valid file (wouldn't show in native file chooser)
// Example: C:\pagefile.sys
continue;
} catch (InternalError e) {
// Not a valid file (wouldn't show in native file chooser)
// Example C:\Winnt\Profiles\joe\history\History.IE5
continue;
}
}
if (!useFileHiding || !isHiddenFile(f)) {
files.add(f);
}
}
return files.toArray(new File[files.size()]);
}
