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 org.omg.CORBA.Any;
  42: import org.omg.CORBA.BAD_OPERATION;
  43: import org.omg.CORBA.ORB;
  44: import org.omg.CORBA.TypeCode;
  45: import org.omg.CORBA.portable.InputStream;
  46: import org.omg.CORBA.portable.OutputStream;
  47: 
  48: /**
  49:  * The helper operations for the binding list.
  50:  *
  51:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  52:  */
  53: public abstract class BindingListHelper
  54: {
  55:   /**
  56:    * The binding list repository id.
  57:    */
  58:   private static String _id = "IDL:omg.org/CosNaming/BindingList:1.0";
  59: 
  60:   /**
  61:    * The cached binding list type code.
  62:    */
  63:   private static TypeCode typeCode;
  64: 
  65:   /**
  66:    * Extract the array of bindings from the given {@link Any}.
  67:    */
  68:   public static Binding[] extract(Any a)
  69:   {
  70:     try
  71:       {
  72:         return ((BindingListHolder) a.extract_Streamable()).value;
  73:       }
  74:     catch (ClassCastException ex)
  75:       {
  76:         BAD_OPERATION bad = new BAD_OPERATION("Binding list expected");
  77:         bad.initCause(ex);
  78:         throw bad;
  79:       }
  80:   }
  81: 
  82:   /**
  83:    * Get the binding list repository id.
  84:    */
  85:   public static String id()
  86:   {
  87:     return _id;
  88:   }
  89: 
  90:   /**
  91:    * Insert the array of bindings into the given {@link Any}.
  92:    */
  93:   public static void insert(Any a, Binding[] bindings)
  94:   {
  95:     a.insert_Streamable(new BindingListHolder(bindings));
  96:   }
  97: 
  98:   /**
  99:    * Read the array of bindings from the given CDR input stream.
 100:    */
 101:   public static Binding[] read(InputStream istream)
 102:   {
 103:     Binding[] value = new Binding[ istream.read_long() ];
 104: 
 105:     for (int i = 0; i < value.length; i++)
 106:       value [ i ] = BindingHelper.read(istream);
 107:     return value;
 108:   }
 109: 
 110:   /**
 111:    * Return the binding array type code.
 112:    */
 113:   public static TypeCode type()
 114:   {
 115:     if (typeCode == null)
 116:       {
 117:         ORB orb = ORB.init();
 118:         typeCode = BindingHelper.type();
 119:         typeCode = orb.create_sequence_tc(0, typeCode);
 120:         typeCode = orb.create_alias_tc(id(), "BindingList", typeCode);
 121:       }
 122:     return typeCode;
 123:   }
 124: 
 125:   /**
 126:    * Write the array of bindings into the given CDR output stream.
 127:    */
 128:   public static void write(OutputStream ostream, Binding[] value)
 129:   {
 130:     ostream.write_long(value.length);
 131:     for (int i = 0; i < value.length; i++)
 132:       org.omg.CosNaming.BindingHelper.write(ostream, value [ i ]);
 133:   }
 134: }