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diff --git a/libjava/classpath/gnu/java/beans/encoder/PrimitivePersistenceDelegate.java b/libjava/classpath/gnu/java/beans/encoder/PrimitivePersistenceDelegate.java
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+/* PrimitivePersistenceDelegate.java
+ -- A PersistenceDelegate for primitive data types.
+   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.beans.Encoder;
+import java.beans.Expression;
+import java.beans.PersistenceDelegate;
+
+/**
+ * A shared PersistenceDelegate implementation for all primitive types.
+ *
+ * @author Robert Schuster (robertschuster@fsfe.org)
+ */
+public class PrimitivePersistenceDelegate extends PersistenceDelegate
+{
+
+  protected Expression instantiate(Object oldInstance, Encoder out)
+  {
+    // The implementation relies on the fact that every primitive
+    // wrapper class has a constructor accepting a String argument.
+    // By using these constructors creating a primitive instance
+    // depends on the String class only.
+    return new Expression(oldInstance, oldInstance.getClass(), "new",
+                          new Object[] { oldInstance.toString() });
+  }
+
+  protected void initialize(Class type, Object oldInstance, Object newInstance, Encoder out)
+  {
+    // This is a hack to make serializing primitive arrays work correctly.
+    // Instead of modifying an existing primitive instance to make it equal
+    // with another instance (which is not possible because primitives are
+    // immutable) we create a new instance. This is against the specification
+    // of the initialize method but make things work fine.
+    out.writeExpression(new Expression(oldInstance, oldInstance.getClass(), "new",
+                          new Object[] { oldInstance.toString() }));
+  }
+
+}