ExceptionDeclImpl


1   /*====================================================================
2   
3   OpenCCM: The Open CORBA Component Model Platform
4   Copyright (C) 2000-2002 USTL - LIFL - GOAL
5   Contact: openccm-team@objectweb.org
6   
7   This library is free software; you can redistribute it and/or
8   modify it under the terms of the GNU Lesser General Public
9   License as published by the Free Software Foundation; either
10  version 2.1 of the License, or any later version.
11  
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  Lesser General Public License for more details.
16  
17  You should have received a copy of the GNU Lesser General Public
18  License along with this library; if not, write to the Free Software
19  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
20  USA
21  
22  Initial developer(s): Philippe Merle, Mathieu Vadet.
23  Contributor(s): ______________________________________.
24  
25  ====================================================================*/
26  
27  package org.objectweb.ccm.IDL3;
28  
29  /**
30   * This class manages exception declarations.
31   *
32   * @author <a=href="Philippe.Merle@lifl.fr">Philippe Merle</a>
33   *         <a=href="Mathieu.Vadet@lifl.fr">Mathieu Vadet</a>
34   *
35   * @version 0.3
36   */
37  
38  public class ExceptionDeclImpl
39         extends ScopeImpl
40         implements ExceptionRef, ExceptionDecl
41  {
42      // ==================================================================
43      //
44      // Internal state.
45      //
46      // ==================================================================
47  
48      /**
49       **  Reference to the CORBA 3.0 ExceptionDef.
50       **/
51      private org.omg.CORBA.ExceptionDef   exception_def_;
52  
53      /**
54       **  List of members.
55       **/
56      private StructMembersImpl members_;
57  
58      // ==================================================================
59      //
60      // Constructor.
61      //
62      // ==================================================================
63  
64      /**
65       **  The constructor with the parent scope.
66       **
67       **  @param parent The parent scope of the exception declaration.
68       **/
69      public
70      ExceptionDeclImpl(Repository rep, ScopeImpl parent)
71      {
72          // Call the ScopeImpl constructor.
73          super(rep, parent);
74  
75          // Init internal state.
76          exception_def_ = null;
77          members_ = new StructMembersImpl();
78          the_declaration_kind_ = DeclarationKind._dk_exception;
79      }
80  
81      // ==================================================================
82      //
83      // Internal methods.
84      //
85      // ==================================================================
86  
87      /**
88       **  Create the exception declaration.
89       **/
90      protected void
91      doCreation()
92      {
93          exception_def_ = the_parent_.getContainer().create_exception(getId(), getName(), getVersion(),
94                                                                          members_.getMemberDefs());
95          super.create();
96      }
97  
98      // ==================================================================
99      //
100     // Internal methods.
101     //
102     // ==================================================================
103 
104     /**
105      **  Loads infos of the CORBA 3.0 ExceptionDef.
106      **
107      **  @param exceptionDef The ExceptionDef to load.
108      **/
109     protected void
110     load(org.omg.CORBA.Contained   contained)
111     {
112         exception_def_ = org.omg.CORBA.ExceptionDefHelper.narrow(contained);
113         org.omg.CORBA.StructMember  [] members = exception_def_.members();
114 
115         // for inlined struct, union or enum declarations
116         super.load(contained);
117 
118         for (int i=0;i<members.length;i++)
119         {
120             members_.addMember(members[i].name,
121                                getRepository().getAsTypeRef((members[i].type_def)));
122         }
123     }
124 
125     /**
126      **  Loads infos of the CORBA 3.0 ExceptionDef.
127      **
128      **  @param exceptionDef The ExceptionDef to load.
129      **/
130     protected void
131     loadAsMapping(org.omg.CORBA.Contained   contained)
132     {
133         exception_def_ = org.omg.CORBA.ExceptionDefHelper.narrow(contained);
134         org.omg.CORBA.StructMember  [] members = exception_def_.members();
135 
136         // for inlined struct, union or enum declarations
137         super.loadAsMapping(contained);
138 
139         for (int i=0;i<members.length;i++)
140             members_.addMember(members[i].name,
141                                getRepository().getAsMappedTypeRef((members[i].type_def)));
142     }
143 
144     // ==================================================================
145     //
146     // Methods for the Declaration interface.
147     //
148     // ==================================================================
149 
150     /**
151      **  Return the index declarator.
152      **
153      **  @param index The index of the declarator that should be returned.
154      **
155      **  @return The name of the declarator at the specified index.
156      **/
157     public String  
158     declaratorAt(int index)
159     {
160         return members_.nameAt(index);
161     }
162 
163     /**
164      **  Obtain the declaration external dependencies.
165      **  Note: for scopes, contained objects are not considered
166      **  as dependencies.
167      **
168      **  @return The list of dependencies as an array of Declaration.
169      **/
170     public Declaration[]
171     getDependencies()
172     {
173         if (dependencies_!=null)
174             return dependencies_;
175 
176         // members
177         org.objectweb.ccm.util.Vector exc_depend = new org.objectweb.ccm.util.Vector();
178         Declaration[] depend = null;
179         TypeRef[] member_types = getMembers().getMemberTypes();
180 
181         for (int i=0;i<member_types.length;i++)
182         {
183             if (member_types[i].isDeclaration())
184             {
185                 if ((!containsDecl((Declaration)member_types[i])) &&
186                     (exc_depend.indexOf(member_types[i])==-1))
187                     exc_depend.add(member_types[i]);
188             }
189 
190             depend = member_types[i].getDependencies();
191             for (int j=0;j<depend.length;j++)
192             {
193                 if ((exc_depend.indexOf(depend[j])==-1) &&
194                     (!containsDecl(depend[j])))
195                     exc_depend.add(depend[j]);
196             }
197         }
198 
199         dependencies_ = (Declaration[])exc_depend.toArray(new Declaration[0]);
200         return dependencies_;
201     }
202 
203     // ==================================================================
204     //
205     // Methods for the Scope interface.
206     //
207     // ==================================================================
208 
209     /**
210      **  Close the exception scope.
211      **/
212     public void
213     create()
214     {
215         if(exception_def_ == null)
216            doCreation();
217         else
218           exception_def_.members(members_.getMemberDefs());
219     }
220 
221     // ==================================================================
222     //
223     // Methods for the ExceptionRef interface.
224     //
225     // ==================================================================
226 
227     /**
228      **  Obtain its ExceptionDef reference.
229      **
230      **  @return The ExceptionDef associated with the exception declaration.
231      **/
232     public org.omg.CORBA.ExceptionDef  
233     getExceptionDef()
234     {
235         return exception_def_;
236     }
237 
238     /**
239      **
240      **/
241     public int
242     getTypeKind()
243     {
244         return TypeKind._tk_exception;
245     }
246 
247     // ==================================================================
248     //
249     // Methods for the ExceptionDecl interface.
250     //
251     // ==================================================================
252 
253     /**
254      **  Obtain the member list.
255      **
256      **  @return The StructMembers of the exception declaration.
257      **/
258     public StructMembers
259     getMembers()
260     {
261         return members_;
262     }
263 
264     // ==================================================================
265     //
266     // Methods for the inherited ScopeImpl class.
267     //
268     // ==================================================================
269 
270     /**
271      **  Obtain its CORBA 3.0 Container reference.
272      **
273      **  @return The Container object associated with the exception
274      **           declaration.
275      **/
276     protected org.omg.CORBA.Container  
277     getContainer()
278     {
279         if(exception_def_ == null)
280            doCreation();
281 
282         return exception_def_;
283     }
284 
285     // ==================================================================
286     //
287     // Methods for the inherited DeclarationImpl class.
288     //
289     // ==================================================================
290 
291     /**
292      **
293      **/
294     public void
295     destroy()
296     {
297         members_.destroy();
298         super.destroy();
299     }
300 
301     /**
302      **  Obtain its CORBA 3.0 Contained reference.
303      **
304      **  @return The Contained object associated with the exception
305      **          declaration.
306      **/
307     protected org.omg.CORBA.Contained  
308     getContained()
309     {
310         if(exception_def_ == null)
311            doCreation();
312 
313        return exception_def_;
314     }
315 }
316
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