JDK-8081722 : Provide public access to sun.awt.shell.ShellFolder methods which are required for implementing javax.swing.JFileChooser
  • Type: Enhancement
  • Component: client-libs
  • Affected Version: 9
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2015-06-02
  • Updated: 2017-09-13
  • Resolved: 2016-02-24
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JDK 9
9 b110Fixed
Related Reports
Relates :  
JDK-8065418 - Migrate use of sun.{applet, awt, font, java2d, print, swing}.** to supported API
Relates :  
JDK-8182043 - Access to Windows Large Icons
Relates :  
JDK-8153276 - [TEST_BUG] javax/swing/JFileChooser/ShellFolderQueries/ShellFolderQueriesTest.java
Relates :  
JDK-5097852 - There is no way to get a big system icon through FileSystemView
Description
sun.awt.shell.ShellFolder is used by file chooser view to provide a special file view hierarchy. But there is no public API to retrieve this file hierarchy, when someone needs to implement their own file chooser, or display the user-familiar file hierarchy for whatever reason. This is especially needed on Windows OS.

Methods that are most needed are:
ShellFolder.getShellFolder(File file)
ShellFolder.getLinkLocation()
ShellFolder.get("fileChooserComboBoxFolders") - which provides the interesting roots.
Comments
NB: Semyon, the test will fail on jake.
04-03-2016
Pending review (Sergey, Phil)
15-02-2016
Then,probably, NetBeans team will have to migrate to the new API as other users?
09-09-2015
There are some places where the ShellFolder is used in NetBeans: http://hg.netbeans.org/main-silver/file/8ad7d894e168/dlight.remote/src/org/netbeans/modules/remote/api/ui/FileChooserUIImpl.java http://hg.netbeans.org/main-silver/file/8ad7d894e168/o.n.swing.dirchooser/src/org/netbeans/swing/dirchooser/DirectoryChooserUI.java
09-09-2015
A Question: there are yet another class sun.awt.shell.ShellFolderColumnInfo. It is used to create the detailed file view. Is it necessary to make it public as well? As a solution for this request I propose to introduce a new public class java.awt.shell.Folder containing the methods which are accessible and derive the ShellFolder from it instead of the File class: public abstract class Folder extends File { public Folder(String pathname) { super(pathname); } /** * @return Whether this shell folder is a link */ public abstract boolean isLink(); /** * @return The shell folder linked to by this shell folder, or null * if this shell folder is not a link */ public abstract Folder getLinkLocation() throws FileNotFoundException; /** * @return The name used to display this shell folder */ public abstract String getDisplayName(); /** * @return The type of shell folder as a string */ public abstract String getFolderType(); /** * @return The executable type as a string */ public abstract String getExecutableType(); public static Object get(String key) { return sun.awt.shell.ShellFolder.get(key); } public static File getNormalizedFile(File file) throws IOException { return sun.awt.shell.ShellFolder.getNormalizedFile(file); } public static Folder getShellFolder(File file) throws FileNotFoundException { return sun.awt.shell.ShellFolder.getShellFolder(file); } }
09-09-2015
Yes, it is the aim of this issue.
09-09-2015
One suggestion is to create a "desktop file system provider" that plugin in the file system service provider interface.
02-06-2015