/* * Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.awt.shell;import java.io.File;import java.io.FileNotFoundException;import java.util.concurrent.Callable;/** * @author Michael Martak * @since 1.4 */class ShellFolderManager { /** * Create a shell folder from a file. * Override to return machine-dependent behavior. */ public ShellFolder createShellFolder(File file) throws FileNotFoundException { return new DefaultShellFolder(null, file); } /** * @param key a <code>String</code> * "fileChooserDefaultFolder": * Returns a <code>File</code> - the default shellfolder for a new filechooser * "roots": * Returns a <code>File[]</code> - containing the root(s) of the displayable hieararchy * "fileChooserComboBoxFolders": * Returns a <code>File[]</code> - an array of shellfolders representing the list to * show by default in the file chooser's combobox * "fileChooserShortcutPanelFolders": * Returns a <code>File[]</code> - an array of shellfolders representing well-known * folders, such as Desktop, Documents, History, Network, Home, etc. * This is used in the shortcut panel of the filechooser on Windows 2000 * and Windows Me. * "fileChooserIcon <icon>": * Returns an <code>Image</code> - icon can be ListView, DetailsView, UpFolder, NewFolder or * ViewMenu (Windows only). * * @return An Object matching the key string. */ public Object get(String key) { if (key.equals("fileChooserDefaultFolder")) { // Return the default shellfolder for a new filechooser File homeDir = new File(System.getProperty("user.home")); try { return createShellFolder(homeDir); } catch (FileNotFoundException e) { return homeDir; } } else if (key.equals("roots")) { // The root(s) of the displayable hieararchy return File.listRoots(); } else if (key.equals("fileChooserComboBoxFolders")) { // Return an array of ShellFolders representing the list to // show by default in the file chooser's combobox return get("roots"); } else if (key.equals("fileChooserShortcutPanelFolders")) { // Return an array of ShellFolders representing well-known // folders, such as Desktop, Documents, History, Network, Home, etc. // This is used in the shortcut panel of the filechooser on Windows 2000 // and Windows Me return new File[] { (File)get("fileChooserDefaultFolder") }; } return null; } /** * Does <code>dir</code> represent a "computer" such as a node on the network, or * "My Computer" on the desktop. */ public boolean isComputerNode(File dir) { return false; } public boolean isFileSystemRoot(File dir) { if (dir instanceof ShellFolder && !((ShellFolder) dir).isFileSystem()) { return false; } return (dir.getParentFile() == null); } protected ShellFolder.Invoker createInvoker() { return new DirectInvoker(); } private static class DirectInvoker implements ShellFolder.Invoker { public <T> T invoke(Callable<T> task) throws Exception { return task.call(); } }}
/*
* Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.awt.shell;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.concurrent.Callable;
/**
* @author Michael Martak
* @since 1.4
*/
class ShellFolderManager {
/**
* Create a shell folder from a file.
* Override to return machine-dependent behavior.
*/
public ShellFolder createShellFolder(File file) throws FileNotFoundException {
return new DefaultShellFolder(null, file);
}
/**
* @param key a <code>String</code>
* "fileChooserDefaultFolder":
* Returns a <code>File</code> - the default shellfolder for a new filechooser
* "roots":
* Returns a <code>File[]</code> - containing the root(s) of the displayable hieararchy
* "fileChooserComboBoxFolders":
* Returns a <code>File[]</code> - an array of shellfolders representing the list to
* show by default in the file chooser's combobox
* "fileChooserShortcutPanelFolders":
* Returns a <code>File[]</code> - an array of shellfolders representing well-known
* folders, such as Desktop, Documents, History, Network, Home, etc.
* This is used in the shortcut panel of the filechooser on Windows 2000
* and Windows Me.
* "fileChooserIcon <icon>":
* Returns an <code>Image</code> - icon can be ListView, DetailsView, UpFolder, NewFolder or
* ViewMenu (Windows only).
*
* @return An Object matching the key string.
*/
public Object get(String key) {
if (key.equals("fileChooserDefaultFolder")) {
// Return the default shellfolder for a new filechooser
File homeDir = new File(System.getProperty("user.home"));
try {
return createShellFolder(homeDir);
} catch (FileNotFoundException e) {
return homeDir;
}
} else if (key.equals("roots")) {
// The root(s) of the displayable hieararchy
return File.listRoots();
} else if (key.equals("fileChooserComboBoxFolders")) {
// Return an array of ShellFolders representing the list to
// show by default in the file chooser's combobox
return get("roots");
} else if (key.equals("fileChooserShortcutPanelFolders")) {
// Return an array of ShellFolders representing well-known
// folders, such as Desktop, Documents, History, Network, Home, etc.
// This is used in the shortcut panel of the filechooser on Windows 2000
// and Windows Me
return new File[] { (File)get("fileChooserDefaultFolder") };
}
return null;
}
/**
* Does <code>dir</code> represent a "computer" such as a node on the network, or
* "My Computer" on the desktop.
*/
public boolean isComputerNode(File dir) {
return false;
}
public boolean isFileSystemRoot(File dir) {
if (dir instanceof ShellFolder && !((ShellFolder) dir).isFileSystem()) {
return false;
}
return (dir.getParentFile() == null);
}
protected ShellFolder.Invoker createInvoker() {
return new DirectInvoker();
}
private static class DirectInvoker implements ShellFolder.Invoker {
public <T> T invoke(Callable<T> task) throws Exception {
return task.call();
}
}
}