Source for org.omg.CosNaming.BindingHelper

   1: /* BindingHelper.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 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:  * The helper operations for {@link Binding}.
  54:  *
  55:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  56:  */
  57: public abstract class BindingHelper
  58: {
  59:   /**
  60:    * The {@link Binding} repository id.
  61:    */
  62:   private static String _id = "IDL:omg.org/CosNaming/Binding:1.0";
  63: 
  64:   /**
  65:    * Extract the binding from the given {@link Any}.
  66:    */
  67:   public static Binding extract(Any a)
  68:   {
  69:     try
  70:       {
  71:         return ((BindingHolder) a.extract_Streamable()).value;
  72:       }
  73:     catch (ClassCastException ex)
  74:       {
  75:         BAD_OPERATION bad = new BAD_OPERATION("Binding expected");
  76:         bad.minor = Minor.Any;
  77:         bad.initCause(ex);
  78:         throw bad;
  79:       }
  80:   }
  81: 
  82:   /**
  83:    * Return the binding repository id.
  84:    */
  85:   public static String id()
  86:   {
  87:     return _id;
  88:   }
  89: 
  90:   /**
  91:    * Insert the binding into the given {@link Any}.
  92:    */
  93:   public static void insert(Any a, Binding that)
  94:   {
  95:     a.insert_Streamable(new BindingHolder(that));
  96:   }
  97: 
  98:   /**
  99:    * Read the binding from the given CDR stream.
 100:    */
 101:   public static Binding read(InputStream istream)
 102:   {
 103:     Binding value = new Binding();
 104:     value.binding_name = NameHelper.read(istream);
 105:     value.binding_type = BindingTypeHelper.read(istream);
 106:     return value;
 107:   }
 108: 
 109:   /**
 110:    * Create the type code for this exception.
 111:    */
 112:   public static TypeCode type()
 113:   {
 114:     ORB orb = OrbRestricted.Singleton;
 115:     
 116:     StructMember[] members = new StructMember[ 2 ];
 117:     TypeCode member;
 118:     member = NameComponentHelper.type();
 119:     member = orb.create_sequence_tc(0, member);
 120:     member = orb.create_alias_tc(NameHelper.id(), "Name", member);
 121:     members [ 0 ] = new StructMember("binding_name", member, null);
 122:     member = BindingTypeHelper.type();
 123:     members [ 1 ] = new StructMember("binding_type", member, null);
 124:     return orb.create_struct_tc(id(), "Binding", members);
 125:   }
 126: 
 127:   /**
 128:    * Write the exception to the CDR output stream.
 129:    */
 130:   public static void write(OutputStream ostream, Binding value)
 131:   {
 132:     NameHelper.write(ostream, value.binding_name);
 133:     BindingTypeHelper.write(ostream, value.binding_type);
 134:   }
 135: }