001    /* BindingListHelper.java --
002       Copyright (C) 2005 Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package org.omg.CosNaming;
040    
041    import gnu.CORBA.OrbRestricted;
042    
043    import org.omg.CORBA.Any;
044    import org.omg.CORBA.BAD_OPERATION;
045    import org.omg.CORBA.ORB;
046    import org.omg.CORBA.TypeCode;
047    import org.omg.CORBA.portable.InputStream;
048    import org.omg.CORBA.portable.OutputStream;
049    
050    /**
051     * The helper operations for the binding list.
052     *
053     * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
054     */
055    public abstract class BindingListHelper
056    {
057      /**
058       * The binding list repository id.
059       */
060      private static String _id = "IDL:omg.org/CosNaming/BindingList:1.0";
061    
062      /**
063       * Extract the array of bindings from the given {@link Any}.
064       */
065      public static Binding[] extract(Any a)
066      {
067        try
068          {
069            return ((BindingListHolder) a.extract_Streamable()).value;
070          }
071        catch (ClassCastException ex)
072          {
073            BAD_OPERATION bad = new BAD_OPERATION("Binding list expected");
074            bad.initCause(ex);
075            throw bad;
076          }
077      }
078    
079      /**
080       * Get the binding list repository id.
081       */
082      public static String id()
083      {
084        return _id;
085      }
086    
087      /**
088       * Insert the array of bindings into the given {@link Any}.
089       */
090      public static void insert(Any a, Binding[] bindings)
091      {
092        a.insert_Streamable(new BindingListHolder(bindings));
093      }
094    
095      /**
096       * Read the array of bindings from the given CDR input stream.
097       */
098      public static Binding[] read(InputStream istream)
099      {
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    }