Source for org.omg.CosNaming.NameComponentHelper

   1: /* NameComponentHelper.java --
   2:    Copyright (C) 2005, 2006 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 org.omg.CosNaming;
  40: 
  41: import gnu.CORBA.Minor;
  42: import gnu.CORBA.OrbRestricted;
  43: 
  44: import org.omg.CORBA.Any;
  45: import org.omg.CORBA.BAD_OPERATION;
  46: import org.omg.CORBA.ORB;
  47: import org.omg.CORBA.StructMember;
  48: import org.omg.CORBA.TypeCode;
  49: import org.omg.CORBA.portable.InputStream;
  50: import org.omg.CORBA.portable.OutputStream;
  51: 
  52: /**
  53:  * A helper classes for the name component.
  54:  *
  55:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  56:  */
  57: public abstract class NameComponentHelper
  58: {
  59:   /**
  60:    * A {@link NameComponent} repository id.
  61:    */
  62:   private static String _id = "IDL:omg.org/CosNaming/NameComponent:1.0";
  63: 
  64:   /**
  65:    * Extract the name component from this {@link Any}
  66:    */
  67:   public static NameComponent extract(Any a)
  68:   {
  69:     try
  70:       {
  71:         return ((NameComponentHolder) a.extract_Streamable()).value;
  72:       }
  73:     catch (ClassCastException ex)
  74:       {
  75:         BAD_OPERATION bad = new BAD_OPERATION("Name component expected");
  76:         bad.initCause(ex);
  77:         bad.minor = Minor.Any;        
  78:         throw bad;
  79:       }
  80:   }
  81: 
  82:   /**
  83:    * Get the repository Id of the {@link NameComponent}.
  84:    * @return "IDL:omg.org/CosNaming/NameComponent:1.0"
  85:    */
  86:   public static String id()
  87:   {
  88:     return _id;
  89:   }
  90: 
  91:   /**
  92:    * Insert the name compnent into the given {@link Any}.
  93:    */
  94:   public static void insert(Any a, NameComponent that)
  95:   {
  96:     a.insert_Streamable(new NameComponentHolder(that));
  97:   }
  98: 
  99:   /**
 100:    * Read the name component from the given CDR input stream.
 101:    */
 102:   public static NameComponent read(InputStream istream)
 103:   {
 104:     NameComponent value = new NameComponent();
 105:     value.id = istream.read_string();
 106:     value.kind = istream.read_string();
 107:     return value;
 108:   }
 109: 
 110:   /**
 111:    * Get the type code of the named component.
 112:    */
 113:   public static TypeCode type()
 114:   {
 115:     ORB orb = OrbRestricted.Singleton;
 116:     
 117:     StructMember[] members = new StructMember[ 2 ];
 118:     TypeCode member;
 119:     member = orb.create_string_tc(0);
 120:     members [ 0 ] = new StructMember("id", member, null);
 121:     member = orb.create_string_tc(0);
 122:     members [ 1 ] = new StructMember("kind", member, null);
 123:     return
 124:     orb.create_struct_tc(NameComponentHelper.id(), "NameComponent",
 125:                          members
 126:     );
 127:   }
 128: 
 129:   /**
 130:    * Write the named component into the CDR output stream.
 131:    */
 132:   public static void write(OutputStream ostream, NameComponent value)
 133:   {
 134:     ostream.write_string(value.id);
 135:     ostream.write_string(value.kind);
 136:   }
 137: }