001    /* CurrentHelper.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.PortableServer;
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.BAD_PARAM;
046    import org.omg.CORBA.NO_IMPLEMENT;
047    import org.omg.CORBA.TypeCode;
048    import org.omg.CORBA.portable.InputStream;
049    import 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    */
057    public 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    }