Java > Open Source Codes > org > objectweb > ccm > visitorIDL3 > java > JavaTranslator


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): Mathieu Vadet.
23 Contributor(s): .
24
25 ====================================================================*/
26
27 package org.objectweb.ccm.visitorIDL3.java;
28
29 import org.objectweb.ccm.visitorIDL3.common.*;
30
31 /**
32  * .
33  *
34  * @author <a HREF="mailto:Mathieu.Vadet@lifl.fr">Mathieu Vadet</a>
35  *
36  * @version 0.3
37  */
38
39 public class JavaTranslator
40 {
41     // ==================================================================
42 //
43 // Internal state.
44 //
45 // ==================================================================
46
47     /**
48      **
49      **/
50     protected org.objectweb.ccm.util.Table abs_names_;
51
52     /**
53      ** Java keywords table.
54      **/
55      protected org.objectweb.ccm.util.Table keywords_;
56     
57
58     // ==================================================================
59 //
60 // Constructor.
61 //
62 // ==================================================================
63
64     /**
65      ** The default constructor.
66      **/
67     public
68     JavaTranslator()
69     {
70         abs_names_ = new org.objectweb.ccm.util.Table();
71         keywords_ = new org.objectweb.ccm.util.Table();
72         keywords_.put("public", new Object ());
73         keywords_.put("protected", new Object ());
74         keywords_.put("private", new Object ());
75         keywords_.put("class", new Object ());
76         keywords_.put("interface", new Object ());
77         keywords_.put("abstract", new Object ());
78         keywords_.put("boolean", new Object ());
79         keywords_.put("break", new Object ());
80         keywords_.put("byte", new Object ());
81         keywords_.put("case", new Object ());
82         keywords_.put("catch", new Object ());
83         keywords_.put("char", new Object ());
84         keywords_.put("const", new Object ());
85         keywords_.put("continue", new Object ());
86         keywords_.put("default", new Object ());
87         keywords_.put("do", new Object ());
88         keywords_.put("double", new Object ());
89         keywords_.put("else", new Object ());
90         keywords_.put("extends", new Object ());
91         keywords_.put("final", new Object ());
92         keywords_.put("finally", new Object ());
93         keywords_.put("float", new Object ());
94         keywords_.put("for", new Object ());
95         keywords_.put("goto", new Object ());
96         keywords_.put("if", new Object ());
97         keywords_.put("implements", new Object ());
98         keywords_.put("import", new Object ());
99         keywords_.put("instanceof", new Object ());
100         keywords_.put("int", new Object ());
101         keywords_.put("long", new Object ());
102         keywords_.put("native", new Object ());
103         keywords_.put("new", new Object ());
104         keywords_.put("package", new Object ());
105         keywords_.put("return", new Object ());
106         keywords_.put("short", new Object ());
107         keywords_.put("static", new Object ());
108         keywords_.put("super", new Object ());
109         keywords_.put("switch", new Object ());
110         keywords_.put("synchronized", new Object ());
111         keywords_.put("this", new Object ());
112         keywords_.put("throw", new Object ());
113         keywords_.put("throws", new Object ());
114         keywords_.put("transient", new Object ());
115         keywords_.put("try", new Object ());
116         keywords_.put("void", new Object ());
117         keywords_.put("volatile", new Object ());
118         keywords_.put("while", new Object ());
119         keywords_.put("true", new Object ());
120         keywords_.put("false", new Object ());
121         keywords_.put("null", new Object ());
122         keywords_.put("clone", new Object ());
123         keywords_.put("equals", new Object ());
124         keywords_.put("finalize", new Object ());
125         keywords_.put("getClass", new Object ());
126         keywords_.put("hashCode", new Object ());
127         keywords_.put("notify", new Object ());
128         keywords_.put("notifyAll", new Object ());
129         keywords_.put("toString", new Object ());
130         keywords_.put("wait", new Object ());
131     }
132
133     // ==================================================================
134 //
135 // Internal methods.
136 //
137 // ==================================================================
138
139     // ==================================================================
140 //
141 // Public methods.
142 //
143 // ==================================================================
144
145     /**
146      **
147      **/
148     public java.lang.String
149     toJava(org.objectweb.ccm.IDL3.TypeRef typeref)
150     {
151         switch(typeref.getTypeKind())
152         {
153             case org.objectweb.ccm.IDL3.TypeKind._tk_null :
154                 return "null";
155             case org.objectweb.ccm.IDL3.TypeKind._tk_void :
156                 return "void";
157             case org.objectweb.ccm.IDL3.TypeKind._tk_short :
158                 return "short";
159             case org.objectweb.ccm.IDL3.TypeKind._tk_ushort :
160                 return "short";
161             case org.objectweb.ccm.IDL3.TypeKind._tk_long :
162                 return "int";
163             case org.objectweb.ccm.IDL3.TypeKind._tk_ulong :
164                 return "int";
165             case org.objectweb.ccm.IDL3.TypeKind._tk_longlong :
166                 return "long";
167             case org.objectweb.ccm.IDL3.TypeKind._tk_ulonglong :
168                 return "long";
169             case org.objectweb.ccm.IDL3.TypeKind._tk_float :
170                 return "float";
171             case org.objectweb.ccm.IDL3.TypeKind._tk_double :
172                 return "double";
173             case org.objectweb.ccm.IDL3.TypeKind._tk_longdouble :
174                 return "double";
175             case org.objectweb.ccm.IDL3.TypeKind._tk_boolean :
176                 return "boolean";
177             case org.objectweb.ccm.IDL3.TypeKind._tk_char :
178                 return "char";
179             case org.objectweb.ccm.IDL3.TypeKind._tk_wchar :
180                 return "char";
181             case org.objectweb.ccm.IDL3.TypeKind._tk_octet :
182                 return "byte";
183             case org.objectweb.ccm.IDL3.TypeKind._tk_any :
184                 return "org.omg.CORBA.Any";
185             case org.objectweb.ccm.IDL3.TypeKind._tk_Principal :
186                 return "org.omg.CORBA.Principal";
187             case org.objectweb.ccm.IDL3.TypeKind._tk_TypeCode :
188                 return "org.omg.CORBA.TypeCode";
189             case org.objectweb.ccm.IDL3.TypeKind._tk_objref :
190                 return "org.omg.CORBA.Object";
191             case org.objectweb.ccm.IDL3.TypeKind._tk_string :
192                 return "java.lang.String";
193             case org.objectweb.ccm.IDL3.TypeKind._tk_wstring :
194                 return "java.lang.String";
195             case org.objectweb.ccm.IDL3.TypeKind._tk_fixed :
196                 return "java.Math.BigDecimal";
197
198             case org.objectweb.ccm.IDL3.TypeKind._tk_struct :
199             case org.objectweb.ccm.IDL3.TypeKind._tk_union :
200             case org.objectweb.ccm.IDL3.TypeKind._tk_enum :
201             case org.objectweb.ccm.IDL3.TypeKind._tk_exception :
202             case org.objectweb.ccm.IDL3.TypeKind._tk_value_box :
203             case org.objectweb.ccm.IDL3.TypeKind._tk_value :
204             case org.objectweb.ccm.IDL3.TypeKind._tk_native :
205             case org.objectweb.ccm.IDL3.TypeKind._tk_abstract_interface :
206             case org.objectweb.ccm.IDL3.TypeKind._tk_local_interface :
207             case org.objectweb.ccm.IDL3.TypeKind._tk_interface :
208             case org.objectweb.ccm.IDL3.TypeKind._tk_component :
209             case org.objectweb.ccm.IDL3.TypeKind._tk_home :
210             case org.objectweb.ccm.IDL3.TypeKind._tk_event :
211                 org.objectweb.ccm.IDL3.Declaration decl = (org.objectweb.ccm.IDL3.Declaration)typeref;
212                 return getAbsoluteName(decl);
213
214             case org.objectweb.ccm.IDL3.TypeKind._tk_alias :
215                 org.objectweb.ccm.IDL3.AliasDecl alias = (org.objectweb.ccm.IDL3.AliasDecl)typeref;
216                 return toJava(alias.getType());
217
218             case org.objectweb.ccm.IDL3.TypeKind._tk_sequence :
219             case org.objectweb.ccm.IDL3.TypeKind._tk_array :
220                 org.objectweb.ccm.IDL3.TypeRefImpl impl= (org.objectweb.ccm.IDL3.TypeRefImpl)typeref;
221                 java.lang.String str = toJava(impl.getContentType());
222                 return str+"[]";
223             default :
224                 return "";
225         }
226     }
227
228     /**
229      **
230      **/
231     public java.lang.String
232     toJava(org.objectweb.ccm.IDL3.TypeRef type,
233            int mode)
234     {
235         if (mode==org.objectweb.ccm.IDL3.OperationDecl.PARAM_IN)
236             return toJava(type);
237
238         switch(type.getTypeKind())
239         {
240             case org.objectweb.ccm.IDL3.TypeKind._tk_null :
241             case org.objectweb.ccm.IDL3.TypeKind._tk_void :
242                 throw new Error ("IDL null and void types could not be used for out or inout parameters!!!");
243
244             case org.objectweb.ccm.IDL3.TypeKind._tk_short :
245                 return "org.omg.CORBA.ShortHolder";
246
247             case org.objectweb.ccm.IDL3.TypeKind._tk_ushort :
248                 return "org.omg.CORBA.ShortHolder";
249
250             case org.objectweb.ccm.IDL3.TypeKind._tk_long :
251                 return "org.omg.CORBA.IntHolder";
252
253             case org.objectweb.ccm.IDL3.TypeKind._tk_ulong :
254                 return "org.omg.CORBA.IntHolder";
255
256             case org.objectweb.ccm.IDL3.TypeKind._tk_longlong :
257                 return "org.omg.CORBA.LongHolder";
258
259             case org.objectweb.ccm.IDL3.TypeKind._tk_ulonglong :
260                 return "org.omg.CORBA.LongHolder";
261
262             case org.objectweb.ccm.IDL3.TypeKind._tk_float :
263                 return "org.omg.CORBA.FloatHolder";
264
265             case org.objectweb.ccm.IDL3.TypeKind._tk_double :
266                 return "org.omg.CORBA.DoubleHolder";
267
268             case org.objectweb.ccm.IDL3.TypeKind._tk_longdouble :
269                 throw new Error ("Java mapping for IDL longdouble is unspecified!!!");
270
271             case org.objectweb.ccm.IDL3.TypeKind._tk_boolean :
272                 return "org.omg.CORBA.BooleanHolder";
273
274             case org.objectweb.ccm.IDL3.TypeKind._tk_char :
275                 return "org.omg.CORBA.CharHolder";
276
277             case org.objectweb.ccm.IDL3.TypeKind._tk_wchar :
278                 return "org.omg.CORBA.CharHolder";
279
280             case org.objectweb.ccm.IDL3.TypeKind._tk_octet :
281                 return "org.omg.CORBA.ByteHolder";
282
283             case org.objectweb.ccm.IDL3.TypeKind._tk_any :
284                 return "org.omg.CORBA.AnyHolder";
285
286             case org.objectweb.ccm.IDL3.TypeKind._tk_Principal :
287                 return "org.omg.CORBA.PrincipalHolder";
288
289             case org.objectweb.ccm.IDL3.TypeKind._tk_TypeCode :
290                 return "org.omg.CORBA.TypeCodeHolder";
291
292             case org.objectweb.ccm.IDL3.TypeKind._tk_objref :
293                 return "org.omg.CORBA.ObjectHolder";
294
295             case org.objectweb.ccm.IDL3.TypeKind._tk_string :
296                 return "org.omg.CORBA.StringHolder";
297
298             case org.objectweb.ccm.IDL3.TypeKind._tk_wstring :
299                 return "org.omg.CORBA.StringHolder";
300
301             case org.objectweb.ccm.IDL3.TypeKind._tk_fixed :
302                 return "org.omg.CORBA.FixedHolder";
303
304             case org.objectweb.ccm.IDL3.TypeKind._tk_alias :
305         {
306                 org.objectweb.ccm.IDL3.TypeRef ct =
307                     ((org.objectweb.ccm.IDL3.AliasDecl)type).getType();
308                 if ((ct.getTypeKind()==org.objectweb.ccm.IDL3.TypeKind._tk_array) ||
309                     (ct.getTypeKind()==org.objectweb.ccm.IDL3.TypeKind._tk_sequence))
310                     return getAbsoluteName((org.objectweb.ccm.IDL3.AliasDecl)type) + "Holder";
311                 else
312                     return toJava(ct, mode);
313             }
314
315             case org.objectweb.ccm.IDL3.TypeKind._tk_sequence :
316             case org.objectweb.ccm.IDL3.TypeKind._tk_array :
317                 throw new Error ("Not implemented!!!");
318
319             case org.objectweb.ccm.IDL3.TypeKind._tk_struct :
320             case org.objectweb.ccm.IDL3.TypeKind._tk_union :
321             case org.objectweb.ccm.IDL3.TypeKind._tk_enum :
322             case org.objectweb.ccm.IDL3.TypeKind._tk_exception :
323             case org.objectweb.ccm.IDL3.TypeKind._tk_value_box :
324             case org.objectweb.ccm.IDL3.TypeKind._tk_value :
325             case org.objectweb.ccm.IDL3.TypeKind._tk_native :
326             case org.objectweb.ccm.IDL3.TypeKind._tk_abstract_interface :
327             case org.objectweb.ccm.IDL3.TypeKind._tk_local_interface :
328             case org.objectweb.ccm.IDL3.TypeKind._tk_interface :
329             case org.objectweb.ccm.IDL3.TypeKind._tk_component :
330             case org.objectweb.ccm.IDL3.TypeKind._tk_home :
331             case org.objectweb.ccm.IDL3.TypeKind._tk_event :
332                 return getAbsoluteName((org.objectweb.ccm.IDL3.Declaration)type) + "Holder";
333
334             default :
335                 throw new Error ("Other cases are not supported!!!");
336         }
337     }
338
339     /**
340      **
341      **/
342     public java.lang.String
343     checkKeywords(java.lang.String id)
344     {
345
346         if (keywords_.containsKey(id))
347            return "_"+id;
348
349         return id;
350     }
351
352     /**
353      **
354      **/
355     public java.lang.String
356     getAbsoluteName(org.objectweb.ccm.IDL3.Declaration decl)
357     {
358         if (decl==null)
359             return "";
360
361         // check if the absolute name has already been generated.
362 java.lang.String res = null;
363         res = (java.lang.String )abs_names_.get(decl.getId());
364         if (res!=null)
365             return res;
366
367         // translate the IDL prefix into a java prefix.
368 res = "";
369         java.lang.String prefix = decl.getPrefix();
370         int idx, idx2;
371         if (!prefix.equals(""))
372         {
373             idx = prefix.indexOf('.');
374             idx2 = 0;
375             while (idx!=-1)
376             {
377                 res = prefix.substring(idx2, idx+1) + res;
378                 idx2 = idx+1;
379                 idx = prefix.indexOf('.', idx2);
380             }
381             res = prefix.substring(idx2) + '.' + res;
382         }
383
384         // translate the IDL scoped name into a Java absolute name
385 java.lang.String abs_name = decl.getAbsoluteName();
386         idx = abs_name.indexOf(':', 2);
387         idx2 = 2;
388         while (idx!=-1)
389         {
390             res = res + abs_name.substring(idx2, idx) + '.';
391             idx2 = idx+2;
392             idx = abs_name.indexOf(':', idx2);
393         }
394         res = res + abs_name.substring(idx2);
395
396         // check special cases ie nested types within interfaces
397 org.objectweb.ccm.IDL3.Scope parent = decl.getParent();
398         int parent_kind = parent.getDeclKind();
399         int decl_kind = decl.getDeclKind();
400         if (decl_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_constant)
401         {
402             if ((parent_kind!=org.objectweb.ccm.IDL3.DeclarationKind._dk_interface) &&
403                 (parent_kind!=org.objectweb.ccm.IDL3.DeclarationKind._dk_abstract_interface) &&
404                 (parent_kind!=org.objectweb.ccm.IDL3.DeclarationKind._dk_local_interface))
405                 res = res + ".value";
406         }
407         else if ((decl_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_exception) ||
408                  (decl_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_alias) ||
409                  (decl_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_struct) ||
410                  (decl_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_union) ||
411                  (decl_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_enum) ||
412                  (decl_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_native))
413         {
414             if ((parent_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_interface) ||
415                 (parent_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_abstract_interface) ||
416                 (parent_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_local_interface) ||
417                 (parent_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_home) ||
418                 (parent_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_value) ||
419                 (parent_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_event) ||
420                 (parent_kind==org.objectweb.ccm.IDL3.DeclarationKind._dk_component))
421             {
422                 idx = res.lastIndexOf('.');
423                 res = res.substring(0, idx) + "Package" + res.substring(idx);
424             }
425         }
426
427         // store the computed absolute name
428 abs_names_.put(decl.getId(), res);
429         return res;
430     }
431
432     /**
433      **
434      **/
435     public java.lang.String
436     getPackage(org.objectweb.ccm.IDL3.Declaration decl)
437     {
438         java.lang.String abs_name = getAbsoluteName(decl);
439         int idx = abs_name.lastIndexOf('.');
440         if (idx==-1)
441             return "";
442
443         return abs_name.substring(0, idx);
444     }
445
446     /**
447      **
448      **/
449     public java.lang.String
450     getAsDirectory(org.objectweb.ccm.IDL3.Declaration decl)
451     {
452         java.lang.String abs_name = getAbsoluteName(decl);
453         int idx = abs_name.indexOf('.');
454         if (idx==-1)
455             return "./";
456
457         java.lang.String dir = "";
458         int idx2 = 0;
459         while (idx!=-1)
460         {
461             dir = dir + abs_name.substring(idx2, idx) + '/';
462             idx2 = idx+1;
463             idx = abs_name.indexOf('.', idx2);
464         }
465
466         return dir;
467     }
468 }
469

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