swing/filechooser/FileSystemView.java

353      * Is dir the root of a tree in the file system, such as a drive
356      * @param dir a <code>File</code> object representing a directory
361     public boolean isFileSystemRoot(File dir) {
362         return ShellFolder.isFileSystemRoot(dir);
371      * @param dir a directory
375     public boolean isDrive(File dir) {
381      * for a floppy disk. Implies isDrive(dir).
385      * @param dir a directory
389     public boolean isFloppyDrive(File dir) {
399      * @param dir a directory
403     public boolean isComputerNode(File dir) {
404         return ShellFolder.isComputerNode(dir);
458      * Returns a File object constructed in dir from the given filename.
460      * @param dir an abstract pathname denoting a directory
462      * @return a {@code File} object created from {@code dir} and {@code filename}
464     public File createFileObject(File dir, String filename) {
465         if(dir == null) {
468             return new File(dir, filename);
490      * @param dir the root directory of files to be returned
493      *         directories in the given {@code dir}. It includes hidden
496     public File[] getFiles(File dir, boolean useFileHiding) {
499         // add all files in dir
500         if (!(dir instanceof ShellFolder)) {
502                 dir = getShellFolder(dir);
508         File[] names = ((ShellFolder) dir).listFiles(!useFileHiding);
546      * Returns the parent directory of <code>dir</code>.
547      * @param dir the <code>File</code> being queried
548      * @return the parent directory of <code>dir</code>, or
549      *   <code>null</code> if <code>dir</code> is <code>null</code>
551     public File getParentDirectory(File dir) {
552         if (dir == null || !dir.exists()) {
559             sf = getShellFolder(dir);
737     public boolean isFileSystemRoot(File dir) {
738         return dir != null && dir.getAbsolutePath().equals("/");
741     public boolean isDrive(File dir) {
742         return isFloppyDrive(dir);
745     public boolean isFloppyDrive(File dir) {
748         // return (dir != null && dir.getAbsolutePath().toLowerCase().startsWith("/floppy"));
752     public boolean isComputerNode(File dir) {
753         if (dir != null) {
754             String parent = dir.getParent();
849     public boolean isDrive(File dir) {
850         return isFileSystemRoot(dir);
853     public boolean isFloppyDrive(final File dir) {
856                 return dir.getAbsolutePath();