001/* _NamingContextExtImplBase.java --
002   Copyright (C) 2005 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 org.omg.CORBA.ObjectHolder;
042import org.omg.CORBA.ServerRequest;
043import org.omg.CORBA.StringHolder;
044import org.omg.CORBA.portable.InputStream;
045import org.omg.CORBA.portable.InvokeHandler;
046import org.omg.CORBA.portable.OutputStream;
047import org.omg.CORBA.portable.ResponseHandler;
048import org.omg.CORBA.portable.Streamable;
049import org.omg.CosNaming.NamingContextExtPackage.InvalidAddress;
050import org.omg.CosNaming.NamingContextExtPackage.InvalidAddressHelper;
051import org.omg.CosNaming.NamingContextPackage.CannotProceed;
052import org.omg.CosNaming.NamingContextPackage.CannotProceedHelper;
053import org.omg.CosNaming.NamingContextPackage.InvalidName;
054import org.omg.CosNaming.NamingContextPackage.InvalidNameHelper;
055import org.omg.CosNaming.NamingContextPackage.NotFound;
056import org.omg.CosNaming.NamingContextPackage.NotFoundHelper;
057
058import java.util.Hashtable;
059
060/**
061 * The extended naming context implementation base.
062 *
063 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
064 */
065public abstract class _NamingContextExtImplBase
066  extends _NamingContextImplBase
067  implements NamingContextExt, InvokeHandler
068{
069  static Hashtable<String,Integer> _methods = new Hashtable<String,Integer>();
070
071  static
072  {
073    _methods.put("to_string", new java.lang.Integer(0));
074    _methods.put("to_name", new java.lang.Integer(1));
075    _methods.put("to_url", new java.lang.Integer(2));
076    _methods.put("resolve_str", new java.lang.Integer(3));
077  }
078
079  /**
080   * This stub can be the base of the two CORBA objects, so it
081   * has two repository ids.
082   */
083  private static String[] __ids =
084    { NamingContextExtHelper.id(), NamingContextHelper.id() };
085
086  /**
087   * Return the array of repository ids for this object.
088   * This stub can be the base of the two CORBA objects, so it
089   * has two repository ids, for {@link NamingContext} and
090   * for {@link NamingContextExt}.
091   */
092  public String[] _ids()
093  {
094    return __ids;
095  }
096
097  public OutputStream _invoke(String method, InputStream in, ResponseHandler rh)
098  {
099    Integer call_method = _methods.get(method);
100
101    if (call_method == null)
102
103      // The older methods are handled by the parent class.
104      return super._invoke(method, in, rh);
105
106    OutputStream out = null;
107
108    switch (call_method.intValue())
109      {
110        case 0 : // to_string
111        {
112          try
113            {
114              NameComponent[] a_name = NameHelper.read(in);
115              String result = null;
116              result = this.to_string(a_name);
117              out = rh.createReply();
118              out.write_string(result);
119            }
120          catch (InvalidName ex)
121            {
122              out = rh.createExceptionReply();
123              InvalidNameHelper.write(out, ex);
124            }
125          break;
126        }
127
128        case 1 : // to_name
129        {
130          try
131            {
132              String a_name_string = in.read_string();
133              NameComponent[] result = to_name(a_name_string);
134              out = rh.createReply();
135              NameHelper.write(out, result);
136            }
137          catch (InvalidName ex)
138            {
139              out = rh.createExceptionReply();
140              InvalidNameHelper.write(out, ex);
141            }
142          break;
143        }
144
145        case 2 : // to_url
146        {
147          try
148            {
149              String an_address = in.read_string();
150              String a_name_string = in.read_string();
151              String result = to_url(an_address, a_name_string);
152              out = rh.createReply();
153              out.write_string(result);
154            }
155          catch (InvalidAddress ex)
156            {
157              out = rh.createExceptionReply();
158              InvalidAddressHelper.write(out, ex);
159            }
160          catch (InvalidName ex)
161            {
162              out = rh.createExceptionReply();
163              InvalidNameHelper.write(out, ex);
164            }
165          break;
166        }
167
168        case 3 : // resolve_str
169        {
170          try
171            {
172              String a_name_string = in.read_string();
173              org.omg.CORBA.Object result = resolve_str(a_name_string);
174              out = rh.createReply();
175              org.omg.CORBA.ObjectHelper.write(out, result);
176            }
177          catch (NotFound ex)
178            {
179              out = rh.createExceptionReply();
180              NotFoundHelper.write(out, ex);
181            }
182          catch (CannotProceed ex)
183            {
184              out = rh.createExceptionReply();
185              CannotProceedHelper.write(out, ex);
186            }
187          catch (InvalidName ex)
188            {
189              out = rh.createExceptionReply();
190              InvalidNameHelper.write(out, ex);
191            }
192          break;
193        }
194      }
195    return out;
196  }
197
198  /**
199   * The obsolete invocation using server request. Implemented for
200   * compatibility reasons, but is it more effectinve to use
201   * {@link #_invoke}.
202   *
203   * @param request a server request.
204   */
205  public void invoke(ServerRequest request)
206  {
207    Streamable result = null;
208
209    Integer call_method = _methods.get(request.operation());
210
211    if (call_method == null)
212      {
213        super.invoke(request);
214        return;
215      }
216
217    switch (call_method.intValue())
218      {
219        case 0 : // to_string, String
220          result = new StringHolder();
221          break;
222
223        case 1 : // to_name, Name
224          result = new NameHolder();
225          break;
226
227        case 2 : // to_url, String
228          result = new StringHolder();
229          break;
230
231        case 3 : // resolve_str, Object
232          result = new ObjectHolder();
233          break;
234      }
235    gnu.CORBA.ServiceRequestAdapter.invoke(request, this, result);
236  }
237}