001/* IORInterceptor_3_0Helper.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.PortableInterceptor;
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.BAD_PARAM;
047import org.omg.CORBA.TypeCode;
048import org.omg.CORBA.portable.Delegate;
049import org.omg.CORBA.portable.InputStream;
050import org.omg.CORBA.portable.ObjectImpl;
051import 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 */
060public 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}