001    /* IORInterceptor_3_0Helper.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.PortableInterceptor;
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.BAD_PARAM;
047    import org.omg.CORBA.TypeCode;
048    import org.omg.CORBA.portable.Delegate;
049    import org.omg.CORBA.portable.InputStream;
050    import org.omg.CORBA.portable.ObjectImpl;
051    import org.omg.CORBA.portable.OutputStream;
052    
053    /**
054     * The helper operations for the CORBA object {@link IORInterceptor_3_0}.
055     * 
056     * @since 1.5 
057     * 
058     * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
059     */
060    public abstract class IORInterceptor_3_0Helper
061    {
062      /**
063       * Get the type code of the {@link IORInterceptor_3_0}.
064       */
065      public static TypeCode type()
066      {
067        return OrbRestricted.Singleton.create_interface_tc(id(), 
068          "IORInterceptor_3_0");
069      }
070    
071      /**
072       * Insert the IORInterceptor_3_0 into the given Any.
073       * 
074       * @param any the Any to insert into.
075       * @param that the IORInterceptor_3_0 to insert.
076       */
077      public static void insert(Any any, IORInterceptor_3_0 that)
078      {
079        any.insert_Streamable(new IORInterceptor_3_0Holder(that));
080      }
081    
082      /**
083       * Extract the IORInterceptor_3_0 from given Any.
084       * 
085       * @throws BAD_OPERATION if the passed Any does not contain
086       * IORInterceptor_3_0.
087       */
088      public static IORInterceptor_3_0 extract(Any any)
089      {
090        try
091          {
092            IORInterceptor_3_0Holder holder = (IORInterceptor_3_0Holder) 
093              any.extract_Streamable();
094            return holder.value;
095          }
096        catch (ClassCastException cex)
097          {
098            BAD_OPERATION bad = new BAD_OPERATION("IORInterceptor_3_0 expected");
099            bad.minor = Minor.Any;
100            bad.initCause(cex);
101            throw bad;
102          }
103      }
104    
105      /**
106       * Get the IORInterceptor_3_0 repository id.
107       * 
108       * @return "IDL:omg.org/PortableInterceptor/IORInterceptor_3_0:1.0", always.
109       */
110      public static String id()
111      {
112        return "IDL:omg.org/PortableInterceptor/IORInterceptor_3_0:1.0";
113      }
114    
115      /**
116       * Narrow the passed object into the IORInterceptor_3_0. If the object has a
117       * different java type, create an instance of the _IORInterceptor_3_0Stub,
118       * using the same delegate, as for the passed parameter. Hence, unlike java
119       * type cast, this method may return a different object, than has been passed.
120       * 
121       * @param obj the object to narrow.
122       * @return narrowed instance.
123       * @throws BAD_PARAM if the passed object is not a IORInterceptor_3_0.
124       */
125      public static IORInterceptor_3_0 narrow(org.omg.CORBA.Object obj)
126      {
127        if (obj == null)
128          return null;
129        else if (obj instanceof IORInterceptor_3_0)
130          return (IORInterceptor_3_0) obj;
131        else if (!obj._is_a(id()))
132          throw new BAD_PARAM("Not a IORInterceptor_3_0");
133        else
134          {
135            Delegate delegate = ((ObjectImpl) obj)._get_delegate();
136            return new _IORInterceptor_3_0Stub(delegate);
137          }
138      }
139      
140      /**
141       * Narrow the passed object into the IORInterceptor_3_0. No type-checking is
142       * performed to verify that the object actually supports the requested type.
143       * The {@link BAD_OPERATION} will be thrown if unsupported operations are
144       * invoked on the new returned reference, but no failure is expected at the
145       * time of the unchecked_narrow. For instance, the narrowing of the 
146       * remote instance of the {@link IORInterceptor} will work as long as only the
147       * methods, inherited from this parent, are invoked.
148       * 
149       * 
150       * @param obj the object to narrow.
151       * @return narrowed instance.
152       * @throws BAD_PARAM if the passed object is not a IORInterceptor_3_0.
153       */
154      public static IORInterceptor_3_0 unchecked_narrow(org.omg.CORBA.Object obj)
155      {
156        if (obj == null)
157          return null;
158        else if (obj instanceof IORInterceptor_3_0)
159          return (IORInterceptor_3_0) obj;
160        else
161          {
162            Delegate delegate = ((ObjectImpl) obj)._get_delegate();
163            return new _IORInterceptor_3_0Stub(delegate);
164          }
165      }
166      
167    
168      /**
169       * Read the IORInterceptor_3_0 from the CDR intput stream (IOR profile
170       * expected).
171       * 
172       * @param input a org.omg.CORBA.portable stream to read from.
173       */
174      public static IORInterceptor_3_0 read(InputStream input)
175      {
176        return unchecked_narrow(input.read_Object());
177      }
178    
179      /**
180       * Write the IORInterceptor_3_0 to the CDR output stream (as IOR profile).
181       * 
182       * @param output a org.omg.CORBA.portable stream stream to write into.
183       * @param value a value to write.
184       */
185      public static void write(OutputStream output, IORInterceptor_3_0 value)
186      {
187        output.write_Object(value);
188      }
189    }