001/* NameComponentHelper.java --
002   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package org.omg.CosNaming;
040
041import gnu.CORBA.Minor;
042import gnu.CORBA.OrbRestricted;
043
044import org.omg.CORBA.Any;
045import org.omg.CORBA.BAD_OPERATION;
046import org.omg.CORBA.ORB;
047import org.omg.CORBA.StructMember;
048import org.omg.CORBA.TypeCode;
049import org.omg.CORBA.portable.InputStream;
050import 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 */
057public 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}