TypeRefImpl


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 contains the reference to the IR3 IDLType object.
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 TypeRefImpl
39         implements TypeRef
40  {
41      // ==================================================================
42      //
43      // Internal state.
44      //
45      // ==================================================================
46  
47      /**
48       **  Reference to the CORBA 3.0 IDLType.
49       **/
50      private org.omg.CORBA.IDLType   type_;
51   
52      /**
53       **
54       **/
55      private int kind_;
56  
57      /**
58       **
59       **/
60      private int length_;
61      private int scale_;
62      private TypeRef content_;
63  
64      /**
65       **
66       **/
67      private Declaration[] dependencies_;
68  
69      // ==================================================================
70      //
71      // Constructor.
72      //
73      // ==================================================================
74  
75      /**
76       **  The constructor.
77       **
78       **  @param type The IDLType that should be referenced.
79       **/
80      protected
81      TypeRefImpl(org.omg.CORBA.IDLType   type,
82                  int kind)
83      {
84          // Init internal state.
85          type_ = type;
86          kind_ = kind;
87          length_ = 0;
88          scale_ = 0;
89          content_ = null;
90          dependencies_ = null;
91      }
92  
93      // ==================================================================
94      //
95      // Internal methods.
96      //
97      // ==================================================================
98  
99  
100     // ==================================================================
101     //
102     // Methods for the TypeRef interface.
103     //
104     // ==================================================================
105 
106     /**
107      **  Obtain its IDLType reference.
108      **
109      **  @return The IDLType associated with the type reference.
110      **/
111     public org.omg.CORBA.IDLType  
112     getIDLType()
113     {
114         return type_;
115     }
116 
117     /**
118      **
119      **/
120     public void
121     addRef()
122     {
123         // nothing to do
124     }
125 
126     /**
127      **
128      **/
129     public void
130     removeRef()
131     {
132         // nothing to do
133     }
134 
135     /**
136      **
137      **/
138     public int
139     getTypeKind()
140     {
141         return kind_;
142     }
143 
144     /**
145      **  Obtain the type external dependencies.
146      **
147      **  @return The list of dependencies as an array of Declaration.
148      **/
149     public Declaration[]
150     getDependencies()
151     {
152         if (dependencies_!=null)
153             return dependencies_;
154 
155         if ((kind_!=TypeKind._tk_sequence) &&
156             (kind_!=TypeKind._tk_array))
157             dependencies_ = new Declaration[0];
158         else if (content_.isDeclaration())
159         {
160             Declaration[] depend = content_.getDependencies();
161             Declaration[] depend2 = new Declaration[1+depend.length];
162             for (int i=0;i<depend.length;i++)
163                 depend2[i] = depend[i];
164 
165             depend2[depend.length] = (Declaration)content_;
166             dependencies_ = depend2;
167         }
168         else
169             dependencies_ = content_.getDependencies();
170 
171         return dependencies_;
172     }
173 
174     /**
175      **
176      **/
177     public boolean
178     isDeclaration()
179     {
180         return false;
181     }
182 
183     // ==================================================================
184     //
185     // Public methods.
186     //
187     // ==================================================================
188 
189     /**
190      **
191      **/
192     public void
193     setLength(int length)
194     {
195         length_ = length;
196     }
197 
198     /**
199      **
200      **/
201     public void
202     setDigits(int digits)
203     {
204         length_ = digits;
205     }
206 
207     /**
208      **
209      **/
210     public void
211     setScale(int scale)
212     {
213         scale_ = scale;
214     }
215 
216     /**
217      **
218      **/
219     public void
220     setContentType(TypeRef content)
221     {
222         content_ = content;
223     }
224 
225     /**
226      **
227      **/
228     public int
229     getLength()
230     {
231         if ((kind_==TypeKind._tk_string) || 
232             (kind_==TypeKind._tk_sequence) ||
233             (kind_==TypeKind._tk_array) ||
234             (kind_==TypeKind._tk_wstring))
235             return length_;
236         else
237             throw new Error  ("Bad TypeKind !");
238     }
239 
240     /**
241      **
242      **/
243     public int
244     getDigits()
245     {
246         if (kind_==TypeKind._tk_fixed)
247             return length_;
248         else
249             throw new Error  ("Bad TypeKind !");
250     }
251 
252     /**
253      **
254      **/
255     public int
256     getScale()
257     {
258         if (kind_==TypeKind._tk_fixed)
259             return scale_;
260         else
261             throw new Error  ("Bad TypeKind !");
262     }
263 
264     /**
265      **
266      **/
267     public TypeRef
268     getContentType()
269     {
270         if ((kind_==TypeKind._tk_sequence) ||
271             (kind_==TypeKind._tk_array))
272             return content_;
273         else
274             throw new Error  ("Bad TypeKind !");
275     }
276 
277     /**
278      **
279      **/
280     public String  
281     getId()
282     {
283         if (kind_==TypeKind._tk_objref)
284             return "IDL:omg.org/CORBA/Object:1.0";
285 
286         throw new Error  ("Bad TypeKind !");
287     }
288 }
289
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags