001    /* _NamingContextExtImplBase.java --
002       Copyright (C) 2005 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.CosNaming;
040    
041    import org.omg.CORBA.ObjectHolder;
042    import org.omg.CORBA.ServerRequest;
043    import org.omg.CORBA.StringHolder;
044    import org.omg.CORBA.portable.InputStream;
045    import org.omg.CORBA.portable.InvokeHandler;
046    import org.omg.CORBA.portable.OutputStream;
047    import org.omg.CORBA.portable.ResponseHandler;
048    import org.omg.CORBA.portable.Streamable;
049    import org.omg.CosNaming.NamingContextExtPackage.InvalidAddress;
050    import org.omg.CosNaming.NamingContextExtPackage.InvalidAddressHelper;
051    import org.omg.CosNaming.NamingContextPackage.CannotProceed;
052    import org.omg.CosNaming.NamingContextPackage.CannotProceedHelper;
053    import org.omg.CosNaming.NamingContextPackage.InvalidName;
054    import org.omg.CosNaming.NamingContextPackage.InvalidNameHelper;
055    import org.omg.CosNaming.NamingContextPackage.NotFound;
056    import org.omg.CosNaming.NamingContextPackage.NotFoundHelper;
057    
058    import java.util.Hashtable;
059    
060    /**
061     * The extended naming context implementation base.
062     *
063     * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
064     */
065    public 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    }