From f911ba985aa7fe0096c386c5be385ac5825ea527 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Sat, 16 Jul 2005 00:30:23 +0000 Subject: Initial revision From-SVN: r102074 --- .../javax/swing/filechooser/FileSystemView.java | 361 +++++++++++++++++++++ 1 file changed, 361 insertions(+) create mode 100644 libjava/classpath/javax/swing/filechooser/FileSystemView.java (limited to 'libjava/classpath/javax/swing/filechooser/FileSystemView.java') diff --git a/libjava/classpath/javax/swing/filechooser/FileSystemView.java b/libjava/classpath/javax/swing/filechooser/FileSystemView.java new file mode 100644 index 0000000..ffa41ca --- /dev/null +++ b/libjava/classpath/javax/swing/filechooser/FileSystemView.java @@ -0,0 +1,361 @@ +/* FileSystemView.java -- + Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package javax.swing.filechooser; + +import java.io.File; +import java.io.IOException; +import java.util.ArrayList; +import javax.swing.Icon; + + +/** + * DOCUMENT ME! + */ +public abstract class FileSystemView +{ + /** + * DOCUMENT ME! + * + * @param dir DOCUMENT ME! + * @param filename DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public File createFileObject(File dir, String filename) + { + return new File(dir, filename); + } + + /** + * DOCUMENT ME! + * + * @param path DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public File createFileObject(String path) + { + return new File(path); + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + protected File createFileSystemRoot(File f) + { + File[] roots = File.listRoots(); + if (roots == null) + return null; + return roots[0]; + } + + /** + * DOCUMENT ME! + * + * @param containingDir DOCUMENT ME! + * + * @return DOCUMENT ME! + * + * @throws IOException DOCUMENT ME! + */ + public abstract File createNewFolder(File containingDir) + throws IOException; + + /** + * DOCUMENT ME! + * + * @param parent DOCUMENT ME! + * @param fileName DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public File getChild(File parent, String fileName) + { + // FIXME: Handle the case when parent and child are special folders. + return new File(parent, fileName); + } + + /** + * DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public File getDefaultDirectory() + { + return getHomeDirectory(); + } + + /** + * DOCUMENT ME! + * + * @param dir DOCUMENT ME! + * @param useFileHiding DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public File[] getFiles(File dir, boolean useFileHiding) + { + if (dir == null || dir.listFiles() == null) + return null; + File[] files = dir.listFiles(); + if (! useFileHiding) + return files; + ArrayList trim = new ArrayList(); + for (int i = 0; i < files.length; i++) + if (! files[i].isHidden()) + trim.add(files[i]); + File[] value = (File[]) trim.toArray(new File[0]); + return value; + } + + /** + * DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public static FileSystemView getFileSystemView() + { + if (File.separator.equals("/")) + return new UnixFileSystemView(); + + // else if (File.Separator.equals("\")) + // return new Win32FileSystemView(); + // else + // return new GenericFileSystemView(); + return null; + } + + /** + * DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public File getHomeDirectory() + { + return createFileObject(System.getProperty("user.home")); + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public File getParentDirectory(File f) + { + if (f == null) + return null; + return f.getParentFile(); + } + + /** + * DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public File[] getRoots() + { + // subclass + return null; + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public String getSystemDisplayName(File f) + { + return null; + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public Icon getSystemIcon(File f) + { + return null; + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public String getSystemTypeDescription(File f) + { + return null; + } + + /** + * DOCUMENT ME! + * + * @param dir DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public boolean isComputerNode(File dir) + { + return false; + } + + /** + * DOCUMENT ME! + * + * @param dir DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public boolean isDrive(File dir) + { + return false; + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public boolean isFileSystem(File f) + { + return (f.isFile() || f.isDirectory()); + } + + /** + * DOCUMENT ME! + * + * @param dir DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public boolean isFileSystemRoot(File dir) + { + File[] roots = File.listRoots(); + if (roots == null || dir == null) + return false; + String filename = dir.getAbsolutePath(); + for (int i = 0; i < roots.length; i++) + if (roots[i].getAbsolutePath().equals(filename)) + return true; + return false; + } + + /** + * DOCUMENT ME! + * + * @param dir DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public boolean isFloppyDrive(File dir) + { + return false; + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public boolean isHiddenFile(File f) + { + return f.isHidden(); + } + + /** + * DOCUMENT ME! + * + * @param folder DOCUMENT ME! + * @param file DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public boolean isParent(File folder, File file) + { + File parent = file.getParentFile(); + if (parent == null) + return false; + return folder.equals(parent); + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public boolean isRoot(File f) + { + // These are not file system roots. + return false; + } + + /** + * DOCUMENT ME! + * + * @param f DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public Boolean isTraversable(File f) + { + // Tested. A directory where the user has no permission to rwx is still + // traversable. (No files are listed when you traverse the directory) + // My best guess is that as long as it's a directory, the file is + // traversable. + return new Boolean(f.isDirectory()); + } +} -- cgit v1.1