--- /dev/null
+/* POAHelper.java --
+ 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 org.omg.PortableServer;
+
+import org.omg.CORBA.BAD_PARAM;
+import org.omg.CORBA.TypeCode;
+import org.omg.CORBA.ORB;
+import org.omg.CORBA.Any;
+import org.omg.CORBA.portable.InputStream;
+import org.omg.CORBA.MARSHAL;
+import org.omg.CORBA.portable.OutputStream;
+
+/**
+ * The helper operations for the CORBA object {@link POA}.
+ *
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public abstract class POAHelper
+{
+ /**
+ * Cast the passed object into the POA. As POA is a local object, the method
+ * just uses java type cast.
+ *
+ * @param obj the object to narrow.
+ * @return narrowed instance.
+ * @throws BAD_PARAM if the passed object is not a POA.
+ */
+ public static POA narrow(org.omg.CORBA.Object obj)
+ {
+ try
+ {
+ return (POA) obj;
+ }
+ catch (ClassCastException cex)
+ {
+ throw new BAD_PARAM(obj.getClass().getName() + " is not a POA");
+ }
+ }
+
+ /**
+ * Get the type code of the {@link POA}.
+ */
+ public static TypeCode type()
+ {
+ return ORB.init().create_interface_tc(id(), "POA");
+ }
+
+ /**
+ * Insert the POA into the given Any.
+ *
+ * @param any the Any to insert into.
+ *
+ * @param that the POA to insert.
+ */
+ public static void insert(Any any, POA that)
+ {
+ any.insert_Object(that);
+ }
+
+ /**
+ * Extract the POA from given Any.
+ *
+ * @throws BAD_OPERATION if the passed Any does not contain POA.
+ */
+ public static POA extract(Any any)
+ {
+ return narrow(any.extract_Object());
+ }
+
+ /**
+ * Get the POA repository id.
+ *
+ * @return "IDL:omg.org/PortableServer/POA:2.3", always.
+ */
+ public static String id()
+ {
+ return "IDL:omg.org/PortableServer/POA:2.3";
+ }
+
+ /**
+ * This should read POA from the CDR input stream, but, following the specs,
+ * it doesnot. The jdk 1.5 API specification defines that POA cannot be
+ * exported.
+ *
+ * @param input a org.omg.CORBA.portable stream to read from.
+ *
+ * @specenote Sun throws the same exception.
+ *
+ * @throws MARSHAL, always.
+ */
+ public static POA read(InputStream input)
+ {
+ throw new MARSHAL("Not applicable");
+ }
+
+ /**
+ * This should read POA from the CDR input stream, but, following the specs,
+ * it doesnot. The jdk 1.5 API specification defines that POA cannot be
+ * exported.
+ *
+ * @param input a org.omg.CORBA.portable stream to read from.
+ *
+ * @specenote Sun throws the same exception.
+ *
+ * @throws MARSHAL, always.
+ */
+ public static void write(OutputStream output, POA value)
+ {
+ throw new MARSHAL("Not applicable");
+ }
+}
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