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1: /* NamingServiceTransient.java -- 2: Copyright (C) 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 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) 9: any later version. 10: 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. 15: 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 19: 02110-1301 USA. 20: 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 24: combination. 25: 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. */ 37: 38: 39: package gnu.CORBA.NamingService; 40: 41: import gnu.CORBA.OrbFunctional; 42: import gnu.CORBA.IOR; 43: 44: import org.omg.CosNaming.NamingContextExt; 45: 46: import java.io.FileOutputStream; 47: import java.io.PrintStream; 48: import java.io.UnsupportedEncodingException; 49: 50: /** 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 53: * service. 54: * 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>. 58: * 59: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 60: */ 61: public class NamingServiceTransient 62: { 63: /** 64: * The default port (900), on that the naming service starts if no 65: * -ORBInitialPort is specified in the command line. 66: */ 67: public static final int PORT = 900; 68: 69: /** 70: * Get the object key for the naming service. The default key is the string 71: * "NameService" in ASCII. 72: * 73: * @return the byte array. 74: */ 75: public static byte[] getDefaultKey() 76: { 77: try 78: { // NameService 79: return "NameService".getBytes("UTF-8"); 80: } 81: catch (UnsupportedEncodingException ex) 82: { 83: throw new InternalError("UTF-8 unsupported"); 84: } 85: } 86: 87: /** 88: * Start the naming service on the current host at the given port. The 89: * parameter -org.omg.CORBA.ORBInitialPort NNN or -ORBInitialPort NNN, if 90: * present, specifies the port, on that the service must be started. If this 91: * key is not specified, the service starts at the port 900. 92: * 93: * The parameter -ior FILE_NAME, if present, forces to store the ior string of 94: * this naming service to the specified file. 95: * 96: * @param args the parameter string. 97: */ 98: public static void main(String[] args) 99: { 100: int port = PORT; 101: String iorf = null; 102: try 103: { 104: // Create and initialize the ORB 105: final OrbFunctional orb = new OrbFunctional(); 106: 107: if (args.length > 1) 108: for (int i = 0; i < args.length - 1; i++) 109: { 110: if (args[i].endsWith("ORBInitialPort")) 111: port = Integer.parseInt(args[i + 1]); 112: 113: if (args[i].equals("-ior")) 114: iorf = args[i + 1]; 115: } 116: 117: OrbFunctional.setPort(port); 118: 119: // Create the servant and register it with the ORB 120: NamingContextExt namer = new Ext(new TransientContext()); 121: 122: // Case with the key "NameService". 123: orb.connect(namer, "NameService".getBytes()); 124: 125: // Storing the IOR reference. 126: String ior = orb.object_to_string(namer); 127: IOR iorr = IOR.parse(ior); 128: if (iorf != null) 129: { 130: FileOutputStream f = new FileOutputStream(iorf); 131: PrintStream p = new PrintStream(f); 132: p.print(ior); 133: p.close(); 134: } 135: 136: System.out.println("GNU Classpath transient naming service " 137: + "started at " + iorr.Internet.host + ":" + iorr.Internet.port 138: + " key 'NameService'.\n\n" 139: + "Copyright (C) 2006 Free Software Foundation\n" 140: + "This tool comes with ABSOLUTELY NO WARRANTY. " 141: + "This is free software, and you are\nwelcome to " 142: + "redistribute it under conditions, defined in " 143: + "GNU Classpath license.\n\n" + ior); 144: 145: new Thread() 146: { 147: public void run() 148: { 149: // Wait for invocations from clients. 150: orb.run(); 151: } 152: }.start(); 153: } 154: catch (Exception e) 155: { 156: System.err.println("ERROR: " + e); 157: e.printStackTrace(System.out); 158: } 159: 160: // Restore the default value for allocating ports for the subsequent 161: // objects. 162: OrbFunctional.setPort(OrbFunctional.DEFAULT_INITIAL_PORT); 163: } 164: }