--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/vpanels/panel/com/oracle/solaris/vp/panel/swing/control/SwingNavigationErrorHandler.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,104 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.panel.swing.control;
+
+import java.awt.Window;
+import com.oracle.solaris.vp.panel.common.control.*;
+import com.oracle.solaris.vp.util.misc.finder.Finder;
+import com.oracle.solaris.vp.util.swing.GUIUtil;
+
+/**
+ * The {@code SwingNavigationErrorHandler} class graphically displays an
+ * appropriate message for navigation errors.
+ */
+public class SwingNavigationErrorHandler implements NavigationListener {
+    //
+    // NavigationListener methods
+    //
+
+    @Override
+    public void navigationStarted(NavigationStartEvent e) {
+    }
+
+    @Override
+    public void navigationStopped(NavigationStopEvent event) {
+	NavigationException exception = event.getNavigationException();
+	if (exception != null) {
+	    try {
+		throw exception;
+
+	    } catch (NavigationAbortedException e) {
+		// Not an error requiring user notification
+
+	    } catch (NavigationFailedException e) {
+		showError(event, e.getMessage());
+
+	    } catch (InvalidAddressException e) {
+		showError(event, Finder.getString(
+		    "navigation.error.address",
+		    e.getInvalidPathComponent().getId()));
+
+	    } catch (MissingParameterException e) {
+		showError(event, Finder.getString(
+		    "navigation.error.parameter.missing",
+		    e.getControlId(), e.getParameter()));
+
+	    } catch (InvalidParameterException e) {
+		showError(event, Finder.getString(
+		    "navigation.error.parameter.invalid",
+		    e.getControlId(), e.getParameter(), e.getValue()));
+
+	    } catch (EmptyNavigationStackException e) {
+		showError(event, Finder.getString(
+		    "navigation.error.emptystack"));
+
+	    } catch (RootNavigableNotControlException e) {
+		showError(event, Finder.getString(
+		    "navigation.error.rootnotcontrol",
+		    e.getNavigable().getId()));
+
+	    } catch (NavigationException e) {
+		// All NavigationExceptions should have been handled above
+		assert false;
+	    }
+	}
+    }
+
+    //
+    // Private methods
+    //
+
+    private void showError(NavigationStopEvent event, final String message) {
+	final Window window = SwingNavigator.getLastWindow(event.getSource());
+	GUIUtil.invokeAndWait(
+	    new Runnable() {
+		@Override
+		public void run() {
+		    GUIUtil.showError(window, null, message);
+		}
+	    });
+    }
+}