1 /* NamingServiceTransient.java --
2 Copyright (C) 2005 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
39 package gnu.CORBA.NamingService;
41 import gnu.CORBA.OrbFunctional;
44 import org.omg.CosNaming.NamingContextExt;
46 import java.io.FileOutputStream;
47 import java.io.PrintStream;
48 import java.io.UnsupportedEncodingException;
51 * The server for the gnu classpath naming service. This is an executable class
52 * that must be started to launch the GNU Classpath CORBA transient naming
55 * GNU Classpath currently works with this naming service and is also
56 * interoperable with the Sun Microsystems naming services from releases 1.3 and
57 * 1.4, both transient <i>tnameserv</i> and persistent <i>orbd</i>.
59 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
61 public class NamingServiceTransient
64 * The default port (900), on that the naming service starts if no
65 * -ORBInitialPort is specified in the command line.
67 public static final int PORT = 900;
70 * Get the object key for the naming service. The default key is the string
71 * "NameService" in ASCII.
73 * @return the byte array.
75 public static byte[] getDefaultKey()
79 return "NameService".getBytes("UTF-8");
81 catch (UnsupportedEncodingException ex)
83 throw new InternalError("UTF-8 unsupported");
88 * Start the naming service on the current host at the given port.
90 * @param portArgument the port on which the service will be
91 * started, or -1 to use the default port, 900
92 * @param fileArgument if non-null, store the IOR string of this
93 * naming service in a file by this name
95 public static void start(int portArgument, String fileArgument)
99 if (portArgument > -1)
102 String iorf = fileArgument;
105 // Create and initialize the ORB
106 final OrbFunctional orb = new OrbFunctional();
108 OrbFunctional.setPort(port);
110 // Create the servant and register it with the ORB
111 NamingContextExt namer = new Ext(new TransientContext());
113 // Case with the key "NameService".
114 orb.connect(namer, "NameService".getBytes());
116 // Storing the IOR reference.
117 String ior = orb.object_to_string(namer);
118 IOR iorr = IOR.parse(ior);
121 FileOutputStream f = new FileOutputStream(iorf);
122 PrintStream p = new PrintStream(f);
131 // Wait for invocations from clients.
138 System.err.println("ERROR: " + e);
139 e.printStackTrace(System.err);
142 // Restore the default value for allocating ports for the subsequent
144 OrbFunctional.setPort(OrbFunctional.DEFAULT_INITIAL_PORT);