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+/* NamingServiceTransient.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 gnu.CORBA.NamingService;
+
+import gnu.CORBA.OrbFunctional;
+import gnu.CORBA.IOR;
+
+import org.omg.CosNaming.NamingContextExt;
+
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import java.io.UnsupportedEncodingException;
+
+/**
+ * The server for the gnu classpath naming service. This is an executable class
+ * that must be started to launch the GNU Classpath CORBA transient naming
+ * service.
+ *
+ * GNU Classpath currently works with this naming service and is also
+ * interoperable with the Sun Microsystems naming services from releases 1.3 and
+ * 1.4, both transient <i>tnameserv</i> and persistent <i>orbd</i>.
+ *
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public class NamingServiceTransient
+{
+ /**
+ * The default port (900), on that the naming service starts if no
+ * -ORBInitialPort is specified in the command line.
+ */
+ public static final int PORT = 900;
+
+ /**
+ * Get the object key for the naming service. The default key is the string
+ * "NameService" in ASCII.
+ *
+ * @return the byte array.
+ */
+ public static byte[] getDefaultKey()
+ {
+ try
+ { // NameService
+ return "NameService".getBytes("UTF-8");
+ }
+ catch (UnsupportedEncodingException ex)
+ {
+ throw new InternalError("UTF-8 unsupported");
+ }
+ }
+
+ /**
+ * Start the naming service on the current host at the given port.
+ *
+ * @param portArgument the port on which the service will be
+ * started, or -1 to use the default port, 900
+ * @param fileArgument if non-null, store the IOR string of this
+ * naming service in a file by this name
+ */
+ public static void start(int portArgument, String fileArgument)
+ {
+ int port = PORT;
+
+ if (portArgument > -1)
+ port = portArgument;
+
+ String iorf = fileArgument;
+ try
+ {
+ // Create and initialize the ORB
+ final OrbFunctional orb = new OrbFunctional();
+
+ OrbFunctional.setPort(port);
+
+ // Create the servant and register it with the ORB
+ NamingContextExt namer = new Ext(new TransientContext());
+
+ // Case with the key "NameService".
+ orb.connect(namer, "NameService".getBytes());
+
+ // Storing the IOR reference.
+ String ior = orb.object_to_string(namer);
+ IOR iorr = IOR.parse(ior);
+ if (iorf != null)
+ {
+ FileOutputStream f = new FileOutputStream(iorf);
+ PrintStream p = new PrintStream(f);
+ p.print(ior);
+ p.close();
+ }
+
+ new Thread()
+ {
+ public void run()
+ {
+ // Wait for invocations from clients.
+ orb.run();
+ }
+ }.start();
+ }
+ catch (Exception e)
+ {
+ System.err.println("ERROR: " + e);
+ e.printStackTrace(System.err);
+ }
+
+ // Restore the default value for allocating ports for the subsequent
+ // objects.
+ OrbFunctional.setPort(OrbFunctional.DEFAULT_INITIAL_PORT);
+ }
+}