001    /* NameComponentHelper.java --
002       Copyright (C) 2005, 2006 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.Minor;
042    import gnu.CORBA.OrbRestricted;
043    
044    import org.omg.CORBA.Any;
045    import org.omg.CORBA.BAD_OPERATION;
046    import org.omg.CORBA.ORB;
047    import org.omg.CORBA.StructMember;
048    import org.omg.CORBA.TypeCode;
049    import org.omg.CORBA.portable.InputStream;
050    import org.omg.CORBA.portable.OutputStream;
051    
052    /**
053     * A helper classes for the name component.
054     *
055     * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
056     */
057    public abstract class NameComponentHelper
058    {
059      /**
060       * A {@link NameComponent} repository id.
061       */
062      private static String _id = "IDL:omg.org/CosNaming/NameComponent:1.0";
063    
064      /**
065       * Extract the name component from this {@link Any}
066       */
067      public static NameComponent extract(Any a)
068      {
069        try
070          {
071            return ((NameComponentHolder) a.extract_Streamable()).value;
072          }
073        catch (ClassCastException ex)
074          {
075            BAD_OPERATION bad = new BAD_OPERATION("Name component expected");
076            bad.initCause(ex);
077            bad.minor = Minor.Any;        
078            throw bad;
079          }
080      }
081    
082      /**
083       * Get the repository Id of the {@link NameComponent}.
084       * @return "IDL:omg.org/CosNaming/NameComponent:1.0"
085       */
086      public static String id()
087      {
088        return _id;
089      }
090    
091      /**
092       * Insert the name compnent into the given {@link Any}.
093       */
094      public static void insert(Any a, NameComponent that)
095      {
096        a.insert_Streamable(new NameComponentHolder(that));
097      }
098    
099      /**
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    }