001/* CurrentHelper.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.PortableServer;
040
041import gnu.CORBA.OrbRestricted;
042
043import org.omg.CORBA.Any;
044import org.omg.CORBA.BAD_OPERATION;
045import org.omg.CORBA.BAD_PARAM;
046import org.omg.CORBA.NO_IMPLEMENT;
047import org.omg.CORBA.TypeCode;
048import org.omg.CORBA.portable.InputStream;
049import org.omg.CORBA.portable.OutputStream;
050
051/**
052* The helper operations for the
053* CORBA object {@link Current}.
054*
055* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
056*/
057public abstract class CurrentHelper
058{
059  /**
060   * Get the type code of the POA Current.
061   *
062   * @return a type code of the object with POA Current id, named "Current".
063   */
064  public static TypeCode type()
065  {
066    return OrbRestricted.Singleton.create_interface_tc(id(), "Current");
067  }
068
069  /**
070   * Insert the POA Current into the given Any.
071   *
072   * @param any the Any to insert into.
073   * @param that the POA Current to insert.
074   */
075  public static void insert(Any any, Current that)
076  {
077    any.insert_Object(that);
078  }
079
080  /**
081   * Extract the POA Current from given Any.
082   *
083   * @throws BAD_OPERATION if the passed Any does not contain a POA Current.
084   */
085  public static Current extract(Any any)
086  {
087    return narrow(any.extract_Object());
088  }
089
090  /**
091   * Get the POA Current repository id.
092   *
093   * @return "IDL:omg.org/PortableServer/Current:2.3", always.
094   */
095  public static String id()
096  {
097    return "IDL:omg.org/PortableServer/Current:2.3";
098  }
099
100  /**
101   * Cast the passed object into the POA Current.
102   *
103   * @param obj the object to narrow.
104   * @return narrowed instance.
105   * @throws BAD_PARAM if the passed object is not a Current.
106   */
107  public static Current narrow(org.omg.CORBA.Object obj)
108  {
109    try
110      {
111        return (Current) obj;
112      }
113    catch (ClassCastException ex)
114      {
115        BAD_PARAM bad = new BAD_PARAM("Not a POA Current");
116        bad.initCause(ex);
117        throw bad;
118      }
119  }
120
121  /**
122   * Not supported for compatibility reasons.
123   *
124   * @specnote Not supported by Sun at least till jdk 1.4 inclusive.
125   *
126   * @throws NO_IMPLEMENT always.
127   */
128  public static Current read(InputStream input)
129  {
130    throw new NO_IMPLEMENT();
131  }
132
133  /**
134   * Not supported for compatibility reasons.
135   *
136   * @specnote Not supported by Sun at least till jdk 1.4 inclusive.
137   *
138   * @throws NO_IMPLEMENT always.
139   */
140  public static void write(OutputStream output, Current value)
141  {
142    throw new NO_IMPLEMENT();
143  }
144}