6984643: Unable to instantiate JFileChooser with a minimal BasicL&F descendant installed

Reviewed-by: alexp

src/share/classes/javax/swing/plaf/basic/BasicFileChooserUI.java

@@ -141,6 +141,22 @@ public class BasicFileChooserUI extends FileChooserUI {
     private JPanel accessoryPanel = null;
     private Handler handler;
 
+    /**
+     * Creates a {@code BasicFileChooserUI} implementation
+     * for the specified component. By default
+     * the {@code BasicLookAndFeel} class uses
+     * {@code createUI} methods of all basic UIs classes
+     * to instantiate UIs.
+     *
+     * @param c the {@code JFileChooser} which needs a UI
+     * @return the {@code BasicFileChooserUI} object
+     *
+     * @see UIDefaults#getUI(JComponent)
+     * @since 1.7
+     */
+    public static ComponentUI createUI(JComponent c) {
+        return new BasicFileChooserUI((JFileChooser) c);
+    }
 
     public BasicFileChooserUI(JFileChooser b) {
     }

src/share/classes/javax/swing/plaf/basic/BasicLookAndFeel.java

@@ -269,6 +269,7 @@ public abstract class BasicLookAndFeel extends LookAndFeel implements Serializab
             "InternalFrameUI", basicPackageName + "BasicInternalFrameUI",
               "DesktopPaneUI", basicPackageName + "BasicDesktopPaneUI",
               "DesktopIconUI", basicPackageName + "BasicDesktopIconUI",
+              "FileChooserUI", basicPackageName + "BasicFileChooserUI",
                "OptionPaneUI", basicPackageName + "BasicOptionPaneUI",
                     "PanelUI", basicPackageName + "BasicPanelUI",
                  "ViewportUI", basicPackageName + "BasicViewportUI",

test/javax/swing/plaf/basic/Test6984643.java

+/*
+ * Copyright (c) 2010, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 6984643
+ * @summary Unable to instantiate JFileChooser with a minimal BasicL&F descendant installed
+ * @author Pavel Porvatov
+ */
+
+import javax.swing.*;
+import javax.swing.plaf.basic.BasicLookAndFeel;
+
+public class Test6984643 {
+    public static void main(String[] args) throws Exception {
+        UIManager.setLookAndFeel(new BasicLookAndFeel() {
+            public String getName() {
+                return "A name";
+            }
+
+            public String getID() {
+                return "An id";
+            }
+
+            public String getDescription() {
+                return "A description";
+            }
+
+            public boolean isNativeLookAndFeel() {
+                return false;
+            }
+
+            public boolean isSupportedLookAndFeel() {
+                return true;
+            }
+        });
+
+        SwingUtilities.invokeLater(new Runnable() {
+            public void run() {
+                new JFileChooser();
+            }
+        });
+    }
+}