Initial revision

From-SVN: r102074
2005-07-16 00:30:23 +00:00
parent 6f4434b39b
commit f911ba985a
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+/* Server.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.Functional_ORB;
+
+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.
+   * The parameter  -org.omg.CORBA.ORBInitialPort NNN or
+   *  -ORBInitialPort NNN, if present, specifies the port, on that
+   * the service must be started. If this key is not specified,
+   * the service starts at the port 900.
+   *
+   * The parameter -ior FILE_NAME, if present, forces to store the ior string
+   * of this naming service to the specified file.
+   *
+   * @param args the parameter string.
+   */
+  public static void main(String[] args)
+  {
+    int port = PORT;
+    String iorf = null;
+    try
+      {
+        // Create and initialize the ORB
+        final Functional_ORB orb = new Functional_ORB();
+
+        if (args.length > 1)
+          for (int i = 0; i < args.length - 1; i++)
+            {
+              if (args [ i ].endsWith("ORBInitialPort"))
+                port = Integer.parseInt(args [ i + 1 ]);
+
+              if (args [ i ].equals("-ior"))
+                iorf = args [ i + 1 ];
+            }
+
+        Functional_ORB.setPort(port);
+
+        // Create the servant and register it with the ORB
+        NamingContextExt namer = new Ext(new TransientContext());
+        orb.connect(namer, getDefaultKey());
+
+        // Storing the IOR reference.
+        String ior = orb.object_to_string(namer);
+        if (iorf != null)
+          {
+            FileOutputStream f = new FileOutputStream(iorf);
+            PrintStream p = new PrintStream(f);
+            p.print(ior);
+            p.close();
+          }
+
+        System.out.println("GNU Classpath, transient naming service. " +
+                           "Copyright (C) 2005 Free Software Foundation\n" +
+                           "This tool comes with ABSOLUTELY NO WARRANTY. " +
+                           "This is free software, and you are\nwelcome to " +
+                           "redistribute it under conditions, defined in " +
+                           "GNU Classpath license.\n\n" + ior
+                          );
+
+        new Thread()
+          {
+            public void run()
+            {
+              // Wait for invocations from clients.
+              orb.run();
+            }
+          }.start();
+      }
+    catch (Exception e)
+      {
+        System.err.println("ERROR: " + e);
+        e.printStackTrace(System.out);
+      }
+
+    // Restore the default value for allocating ports for the subsequent objects.
+    Functional_ORB.setPort(Functional_ORB.DEFAULT_INITIAL_PORT);
+  }
+}