src/java.desktop/windows/classes/sun/awt/shell/Win32ShellFolder2.java

@@ -27,10 +27,11 @@
 
 import java.awt.Image;
 import java.awt.Toolkit;
 import java.awt.image.BufferedImage;
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.*;
 import java.util.concurrent.*;
 import javax.swing.SwingConstants;
 

@@ -1127,10 +1128,12 @@
     private static final int LVCFMT_LEFT = 0;
     private static final int LVCFMT_RIGHT = 1;
     private static final int LVCFMT_CENTER = 2;
 
     public ShellFolderColumnInfo[] getFolderColumns() {
+        ShellFolder library = resolveLibrary(this);
+        if (library != null) return library.getFolderColumns();
         return invoke(new Callable<ShellFolderColumnInfo[]>() {
             public ShellFolderColumnInfo[] call() {
                 ShellFolderColumnInfo[] columns = doGetColumnInfo(getIShellFolder());
 
                 if (columns != null) {

@@ -1157,17 +1160,36 @@
             }
         });
     }
 
     public Object getFolderColumnValue(final int column) {
+        if(isFileSystem()) {
+            ShellFolder library = resolveLibrary(this);
+            if (library != null) return library.getFolderColumnValue(column);
+        }
         return invoke(new Callable<Object>() {
             public Object call() {
                 return doGetColumnValue(getParentIShellFolder(), getRelativePIDL(), column);
             }
         });
     }
 
+    private static ShellFolder resolveLibrary(ShellFolder folder) {
+        for (ShellFolder f = folder; f != null; f = f.parent) {
+            if (!f.isFileSystem()) {
+                if(f.getPath() != null && "Library".equals(f.getFolderType())) {
+                    try {
+                        return getShellFolder(new File(folder.getPath()));
+                    } catch (FileNotFoundException e) {
+                    }
+                }
+                break;
+            }
+        }
+        return null;
+    }
+
     // NOTE: this method uses COM and must be called on the 'COM thread'. See ComInvoker for the details
     private native ShellFolderColumnInfo[] doGetColumnInfo(long iShellFolder2);
 
     // NOTE: this method uses COM and must be called on the 'COM thread'. See ComInvoker for the details
     private native Object doGetColumnValue(long parentIShellFolder2, long childPIDL, int columnIdx);