Source for org.omg.CosNaming.BindingListHelper

   1: /* BindingListHelper.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.OrbRestricted;
  42: 
  43: import org.omg.CORBA.Any;
  44: import org.omg.CORBA.BAD_OPERATION;
  45: import org.omg.CORBA.ORB;
  46: import org.omg.CORBA.TypeCode;
  47: import org.omg.CORBA.portable.InputStream;
  48: import org.omg.CORBA.portable.OutputStream;
  49: 
  50: /**
  51:  * The helper operations for the binding list.
  52:  *
  53:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  54:  */
  55: public abstract class BindingListHelper
  56: {
  57:   /**
  58:    * The binding list repository id.
  59:    */
  60:   private static String _id = "IDL:omg.org/CosNaming/BindingList:1.0";
  61: 
  62:   /**
  63:    * Extract the array of bindings from the given {@link Any}.
  64:    */
  65:   public static Binding[] extract(Any a)
  66:   {
  67:     try
  68:       {
  69:         return ((BindingListHolder) a.extract_Streamable()).value;
  70:       }
  71:     catch (ClassCastException ex)
  72:       {
  73:         BAD_OPERATION bad = new BAD_OPERATION("Binding list expected");
  74:         bad.initCause(ex);
  75:         throw bad;
  76:       }
  77:   }
  78: 
  79:   /**
  80:    * Get the binding list repository id.
  81:    */
  82:   public static String id()
  83:   {
  84:     return _id;
  85:   }
  86: 
  87:   /**
  88:    * Insert the array of bindings into the given {@link Any}.
  89:    */
  90:   public static void insert(Any a, Binding[] bindings)
  91:   {
  92:     a.insert_Streamable(new BindingListHolder(bindings));
  93:   }
  94: 
  95:   /**
  96:    * Read the array of bindings from the given CDR input stream.
  97:    */
  98:   public static Binding[] read(InputStream istream)
  99:   {
 100:     Binding[] value = new Binding[ istream.read_long() ];
 101: 
 102:     for (int i = 0; i < value.length; i++)
 103:       value [ i ] = BindingHelper.read(istream);
 104:     return value;
 105:   }
 106: 
 107:   /**
 108:    * Return the binding array type code.
 109:    */
 110:   public static TypeCode type()
 111:   {
 112:     TypeCode typeCode;
 113:     ORB orb = OrbRestricted.Singleton;
 114:     typeCode = BindingHelper.type();
 115:     typeCode = orb.create_sequence_tc(0, typeCode);
 116:     typeCode = orb.create_alias_tc(id(), "BindingList", typeCode);
 117:     return typeCode;
 118:   }
 119: 
 120:   /**
 121:    * Write the array of bindings into the given CDR output stream.
 122:    */
 123:   public static void write(OutputStream ostream, Binding[] value)
 124:   {
 125:     ostream.write_long(value.length);
 126:     for (int i = 0; i < value.length; i++)
 127:       org.omg.CosNaming.BindingHelper.write(ostream, value [ i ]);
 128:   }
 129: }