--- /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/timezone/LocationCriteria.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,59 @@
+/*
+ * 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.timezone;
+
+import java.util.Comparator;
+
+public abstract class LocationCriteria<T, U> {
+    /**
+     * Returns a localized description of this set of criteria.
+     */
+    public abstract String getLabel();
+
+    /**
+     * Returns localized unselected-item text.
+     */
+    public abstract String getUnselectedText();
+
+    /**
+     * Returns a {@code Comparator} used to compare two criteria, or
+     * {@code null} if the criteria should be lexigraphically sorted
+     * using their descriptions.
+     */
+    public Comparator<? super U> getComparator() {
+	return null;
+    }
+
+    /**
+     * Obtains the criterion that matches the specified object.
+     */
+    public abstract U toCriterion(T object);
+
+    /**
+     * Obtains a localized description of the specified criterion.
+     */
+    public abstract String toDescription(U criterion);
+}