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+/* MapPersistenceDelegate.java -- A PersistenceDelegate for Map subclasses.
+
+ Copyright (C) 2005 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 gnu.java.beans.encoder;
+
+import java.util.Map;
+import java.beans.Encoder;
+import java.beans.Expression;
+import java.beans.PersistenceDelegate;
+import java.beans.Statement;
+
+import java.util.Iterator;
+
+/**
+ * @author Robert Schuster (robertschuster@fsfe.org)
+ */
+public class MapPersistenceDelegate extends PersistenceDelegate
+{
+
+ protected Expression instantiate(Object oldInstance, Encoder out)
+ {
+ return new Expression(
+ oldInstance,
+ oldInstance.getClass(),
+ "new",
+ null);
+ }
+
+ protected void initialize(Class type, Object oldInstance, Object newInstance,
+ Encoder out)
+ {
+ Map map = (Map) oldInstance;
+ Iterator ite = map.keySet().iterator();
+
+ while (ite.hasNext())
+ {
+ Object key = ite.next();
+ out.writeStatement(new Statement(oldInstance, "put",
+ new Object[] { key, map.get(key) }));
+
+ }
+
+ }
+
+}