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+/* DelegateFactory.java --
+ Copyright (C) 2002, 2004 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.javax.rmi.CORBA;
+
+import java.util.HashMap;
+
+public class DelegateFactory
+{
+ private static HashMap cache = new HashMap(4);
+
+ public static synchronized Object getInstance(String type)
+ throws GetDelegateInstanceException
+ {
+ Object r = cache.get(type);
+ if (r != null)
+ return r;
+ String dcname = System.getProperty("javax.rmi.CORBA." + type + "Class");
+ if (dcname == null)
+ {
+ //throw new DelegateException
+ // ("no javax.rmi.CORBA.XXXClass property sepcified.");
+ dcname = "gnu.javax.rmi.CORBA." + type + "DelegateImpl";
+ }
+ try
+ {
+ Class dclass = Class.forName(dcname,
+ true,
+ Thread.currentThread().getContextClassLoader());
+ r = dclass.newInstance();
+ cache.put(type, r);
+ return r;
+ }
+ catch(Exception e)
+ {
+ throw new GetDelegateInstanceException
+ ("Exception when trying to get delegate instance:" + dcname, e);
+ }
+ }
+}
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