src/java.desktop/share/classes/javax/swing/filechooser/FileSystemView.java

*** 72,81 ****
--- 72,95 ----
  
      private boolean useSystemExtensionHiding =
              UIManager.getDefaults().getBoolean("FileChooser.useSystemExtensionHiding");
  
      /**
+      * An icon image query option that requests the small file icon.
+      *
+      * @since 10
+      */
+     public static final int FILE_ICON_SMALL = -1;
+ 
+     /**
+      * An icon image query option that requests the large file icon.
+      *
+      * @since 10
+      */
+     public static final int FILE_ICON_LARGE = -2;
+ 
+     /**
       * Returns the file system view.
       * @return the file system view
       */
      public static FileSystemView getFileSystemView() {
          if(File.separatorChar == '\\') {
*** 255,264 ****
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              return UIManager.getIcon(f.isDirectory() ? "FileView.directoryIcon" : "FileView.fileIcon");
          }
      }
  
      /**
+      * Returns icon image if it is associated with the specified file or
+      * {@code null} otherwise. Depending on the passed {@code size} different
+      * sizes of file icon may be queried. If value of the {@code size} argument
+      * equals to {@code #FILE_ICON_SMALL} or {@code #FILE_ICON_LARGE} then
+      * the small or large file icon variant is returned correspondingly.
+      * For any positive size value the exact file icon size is queried.
+      *
+      * @param file a file
+      * @param size size to query
+      * @return file icon
+      * @throws NullPointerException if {@code file} equals {@code null}
+      * @see #FILE_ICON_SMALL
+      * @see #FILE_ICON_LARGE
+      * @since 10
+      */
+     public ImageIcon getSystemIcon(File file, int size) {
+         if (file == null) {
+             throw new NullPointerException("file is null");
+         }
+         ShellFolder sf;
+         try {
+             sf = ShellFolder.getShellFolder(file);
+         } catch (FileNotFoundException e) {
+             return null;
+         }
+         Image img = null;
+         if (size == FILE_ICON_SMALL) {
+             img = sf.getIcon(false);
+         } else if (size == FILE_ICON_LARGE) {
+             img = sf.getIcon(true);
+         } else if (size > 0) {
+             img = sf.getIcon(size);
+         } else {
+             throw new IllegalArgumentException("Wrong size value +" + size);
+         }
+         if (img != null) {
+             return new ImageIcon(img, sf.getFolderType());
+         }
+         return null;
+     }
+ 
+     /**
       * On Windows, a file can appear in multiple folders, other than its
       * parent directory in the filesystem. Folder could for example be the
       * "Desktop" folder which is not the same as file.getParentFile().
       *
       * @param folder a <code>File</code> object representing a directory or special folder