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+/* SharedUIDefaults.java -- Manages shared instances for UIDefaults
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.plaf.basic;
+
+import java.awt.Color;
+import java.util.HashMap;
+
+import javax.swing.UIManager;
+
+/**
+ * Manages shared instances for UI defaults. For example, all Swing components
+ * of one type usually share one InputMap/ActionMap pair. In order to avoid
+ * duplication of such objects we store them in a Map here.
+ *
+ * @author Roman Kennke (kennke@aicas.com)
+ */
+public class SharedUIDefaults
+{
+
+ /**
+ * Stores the shared instances, indexed by their UI names
+ * (i.e. "TextField.InputMap").
+ */
+ private static HashMap sharedDefaults = new HashMap();
+
+ /**
+ * Returns a shared UI defaults object.
+ *
+ * @param key the key for the shared object
+ *
+ * @return a shared UI defaults object for the specified key
+ */
+ static Object get(String key)
+ {
+ Object o = sharedDefaults.get(key);
+ if (o == null)
+ {
+ o = UIManager.get(key);
+ sharedDefaults.put(key, o);
+ }
+ return o;
+ }
+
+ /**
+ * Returns a shared UI color.
+ *
+ * @param key the key
+ *
+ * @return the shared color instance
+ */
+ static Color getColor(String key)
+ {
+ return (Color) get(key);
+ }
+}