AnyValue


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 the constant or union case value.
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 AnyValue
39  {
40      // ==================================================================
41      //
42      // Internal state.
43      //
44      // ==================================================================
45  
46      /**
47       **  The type of the constant.
48       **/
49      private int type_;
50  
51      /**
52       **  The value of the constant.
53       **/
54      private long integer_;
55      private String   string_;
56      private char char_;
57      private String   fixed_;
58      private double floating_;
59      private boolean boolean_;
60      private org.omg.CORBA.TypeCode   tc_;
61      private int enumerator_;
62  
63      // ==================================================================
64      //
65      // Kind of type.
66      //
67      // ==================================================================
68  
69      /**
70       ** Represent unknown type for the Any value.
71       **/
72      final public int NONE = 0;
73  
74      /**
75       ** Represent integer type for the Any value.
76       **/
77      final public int INTEGER = 1;
78  
79      /**
80       ** Represent string type for the Any value.
81       **/
82      final public int STRING = 2;
83  
84      /**
85       ** Represent wide string type for the Any value.
86       **/
87      final public int WSTRING = 3;
88  
89      /**
90       ** Represent character type for the Any value.
91       **/
92      final public int CHAR = 4;
93  
94      /**
95       ** Represent wide character type for the Any value.
96       **/
97      final public int WCHAR = 5;
98  
99      /**
100      ** Represent fixed type for the Any value.
101      **/
102     final public int FIXED = 6;
103 
104     /**
105      ** Represent float type for the Any value.
106      **/
107     final public int FLOATING = 7;
108 
109     /**
110      ** Represent boolean type for the Any value.
111      **/
112     final public int BOOLEAN = 8;
113 
114     /**
115      ** Represent enumerate type for the Any value.
116      **/
117     final public int ENUM = 9;
118 
119     // ==================================================================
120     //
121     // Constructor.
122     //
123     // ==================================================================
124 
125     /**
126      **  The default constructor.
127      **/
128     public
129     AnyValue()
130     {
131         type_ = NONE;
132     }
133 
134     // ==================================================================
135     //
136     // Internal methods.
137     //
138     // ==================================================================
139 
140     /**
141      **  Obtain the any value.
142      **
143      **  @param tc The TypeCode of the desired any value.
144      **            Note that one of the set* method should have been used
145      **            to fix the value before using this method.
146      **            If the TypeCode and the set* method are not consistent,
147      **            an Error is thrown.
148      **
149      **  @return An Any created from the TypeCode.
150      **/
151     protected org.omg.CORBA.Any  
152     computeAny(org.omg.CORBA.TypeCode   tc)
153     {
154         if(type_ == NONE)
155         {
156             org.omg.CORBA.Any   any =
157                 org.objectweb.openccm.corba.TheORB.create_any();
158             any.insert_octet((byte)0);
159             return any;
160         }
161 
162         org.omg.CORBA.TypeCode   origTC =
163             org.objectweb.openccm.corba.TypeCodeUtils.getOrigType(tc);
164         org.omg.DynamicAny.DynAny   dynAny =
165             org.objectweb.openccm.corba.TheDynamicAnyFactory.
166             create_dyn_any_from_type_code(origTC);
167 
168         try
169         {
170             switch(origTC.kind().value())
171             {
172             case org.omg.CORBA.TCKind._tk_short:
173                 if(type_ != INTEGER)
174                 throw new Error  ("Invalid constant value!");
175                 dynAny.insert_short((short)integer_);
176                 break;
177 
178             case org.omg.CORBA.TCKind._tk_long:
179                 if(type_ != INTEGER)
180                 throw new Error  ("Invalid constant value!");
181                 dynAny.insert_long((int)integer_);
182                 break;
183 
184             case org.omg.CORBA.TCKind._tk_ushort:
185                 if(type_ != INTEGER)
186                 throw new Error  ("Invalid constant value!");
187                 dynAny.insert_ushort((short)integer_);
188                 break;
189 
190             case org.omg.CORBA.TCKind._tk_ulong:
191                 if(type_ != INTEGER)
192                 throw new Error  ("Invalid constant value!");
193                 dynAny.insert_ulong((int)integer_);
194                 break;
195 
196             case org.omg.CORBA.TCKind._tk_float:
197                 if(type_ != FLOATING)
198                 throw new Error  ("Invalid constant value!");
199                 dynAny.insert_float((float)floating_);
200                 break;
201 
202             case org.omg.CORBA.TCKind._tk_double:
203                 if(type_ != FLOATING)
204                 throw new Error  ("Invalid constant value!");
205                 dynAny.insert_double(floating_);
206                 break;
207 
208             case org.omg.CORBA.TCKind._tk_boolean:
209                 if(type_ != BOOLEAN)
210                 throw new Error  ("Invalid constant value!");
211                 dynAny.insert_boolean(boolean_);
212                 break;
213 
214             case org.omg.CORBA.TCKind._tk_char:
215                 if(type_ != CHAR)
216                 throw new Error  ("Invalid constant value!");
217                 dynAny.insert_char(char_);
218                 break;
219 
220             case org.omg.CORBA.TCKind._tk_string:
221                 if(type_ != STRING)
222                 throw new Error  ("Invalid constant value!");
223                 dynAny.insert_string(string_);
224                 break;
225 
226             case org.omg.CORBA.TCKind._tk_longlong:
227                 if(type_ != INTEGER)
228                 throw new Error  ("Invalid constant value!");
229                 dynAny.insert_longlong(integer_);
230                 break;
231 
232             case org.omg.CORBA.TCKind._tk_ulonglong:
233                 if(type_ != INTEGER)
234                 throw new Error  ("Invalid constant value!");
235                 dynAny.insert_ulonglong(integer_);
236                 break;
237 
238             case org.omg.CORBA.TCKind._tk_wchar:
239                 if(type_ != WCHAR)
240                 throw new Error  ("Invalid constant value!");
241                 dynAny.insert_wchar(char_);
242                 break;
243 
244             case org.omg.CORBA.TCKind._tk_wstring:
245                 if(type_ != WSTRING)
246                 throw new Error  ("Invalid constant value!");
247                 dynAny.insert_wstring(string_);
248                 break;
249 
250             case org.omg.CORBA.TCKind._tk_fixed:
251                 if(type_ != FIXED)
252                 throw new Error  ("Invalid constant value!");
253                 // TODO: Must be wrapped for JavaORB.
254                 org.omg.DynamicAny.DynFixedHelper.narrow(dynAny).set_value(fixed_);
255                 break;
256 
257             case org.omg.CORBA.TCKind._tk_enum:
258                 if(type_ != ENUM)
259                 throw new Error  ("Invalid constant value!");
260                 if(!tc_.equal(origTC))
261                 throw new Error  ("Invalid constant type!");
262                 org.omg.DynamicAny.DynEnumHelper.narrow(dynAny).set_as_ulong(enumerator_);
263                 break;
264 
265             default:
266             throw new Error  ("Invalid constant type!");
267             }
268             return dynAny.to_any();
269         }
270         catch(org.omg.DynamicAny.DynAnyPackage.InvalidValue   exc)
271         {
272             // Wrap the DynamicAny::InvalidValue exception.
273             throw new org.objectweb.openccm.corba.UserExceptionWrapper(exc);
274         }
275         catch(org.omg.DynamicAny.DynAnyPackage.TypeMismatch   exc)
276         {
277             // Wrap the DynamicAny::TypeMismatch exception.
278             throw new org.objectweb.openccm.corba.UserExceptionWrapper(exc);
279         }
280     }
281 
282     /**
283      **
284      **/
285     protected void
286     loadAny(org.omg.CORBA.Any   any)
287     {
288         org.omg.CORBA.TypeCode   tc = any.type();
289         try
290         {
291             switch(tc.kind().value())
292             {
293             case org.omg.CORBA.TCKind._tk_short:
294                 setAsInteger(any.extract_short());
295                 break;
296             case org.omg.CORBA.TCKind._tk_long:
297                 setAsInteger(any.extract_long());
298                 break;
299             case org.omg.CORBA.TCKind._tk_ushort:
300                 setAsInteger(any.extract_ushort());
301                 break;
302             case org.omg.CORBA.TCKind._tk_ulong:
303                 setAsInteger(any.extract_ulong());
304                 break;
305             case org.omg.CORBA.TCKind._tk_float:
306                 setAsFloating(any.extract_float());
307                 break;
308             case org.omg.CORBA.TCKind._tk_double:
309                 setAsFloating(any.extract_double());
310                 break;
311             case org.omg.CORBA.TCKind._tk_boolean:
312                 setAsBoolean(any.extract_boolean());
313                 break;
314             case org.omg.CORBA.TCKind._tk_char:
315                 setAsChar(any.extract_char());
316                 break;
317             case org.omg.CORBA.TCKind._tk_wchar:
318                 setAsWChar(any.extract_wchar());
319                 break;
320             case org.omg.CORBA.TCKind._tk_string:
321                 setAsString(any.extract_string());
322                 break;
323             case org.omg.CORBA.TCKind._tk_wstring:
324                 setAsWString(any.extract_wstring());
325                 break;
326             case org.omg.CORBA.TCKind._tk_longlong:
327                 setAsInteger(any.extract_longlong());
328                 break;
329             case org.omg.CORBA.TCKind._tk_ulonglong:
330                 setAsInteger(any.extract_ulonglong());
331                 break;
332             case org.omg.CORBA.TCKind._tk_fixed:
333                 org.omg.DynamicAny.DynFixed   fixed = 
334                     org.objectweb.openccm.corba.TheDynamicAnyFactory.create_dyn_fixed(any);
335                 setAsFixed(fixed.get_value());
336                 break;
337             case org.omg.CORBA.TCKind._tk_enum:
338                 org.omg.DynamicAny.DynEnum   dynEnum = 
339                     org.objectweb.openccm.corba.TheDynamicAnyFactory.create_dyn_enum(any);
340                 setAsEnum(tc, dynEnum.get_as_ulong(), dynEnum.get_as_string());
341                 break;
342             default:
343                 break;
344             }
345         }
346         catch(org.omg.CORBA.BAD_OPERATION   ex)
347         {}
348     }
349 
350     // ==================================================================
351     //
352     // Methods for the AnyValue interface.
353     //
354     // ==================================================================
355 
356     /**
357      **  Is it an integer?
358      **
359      **  @return true if it's a long or false otherwise.
360      **/
361     public boolean
362     isInteger()
363     {
364         return type_ == INTEGER;
365     }
366 
367     /**
368      **  Set with an integer.
369      **
370      **  @param value The long to set as value.
371      **/
372     public void
373     setAsInteger(long value)
374     {
375         type_ = INTEGER;
376         integer_ = value;
377     }
378 
379     /**
380      **  Get as an integer.
381      **
382      **  @return The long that must have been previously set.
383      **/
384     public long
385     getAsInteger()
386     {
387         return integer_;
388     }
389 
390     /**
391      **  Is it an string?
392      **
393      **  @return true if it's a string or false otherwise.
394      **/
395     public boolean
396     isString()
397     {
398         return type_ == STRING;
399     }
400 
401     /**
402      **  Set with a string.
403      **
404      **  @param value The String to set as value.
405      **/
406     public void
407     setAsString(String   value)
408     {
409         type_ = STRING;
410         string_ = value;
411     }
412 
413     /**
414      **  Get as a string.
415      **
416      **  @return The string that must have been previously set.
417      **/
418     public String  
419     getAsString()
420     {
421         return string_;
422     }
423 
424     /**
425      **  Is it an wstring?
426      **
427      **  @return true if it's a wstring or false otherwise.
428      **/
429     public boolean
430     isWString()
431     {
432         return type_ == WSTRING;
433     }
434 
435     /**
436      **  Set with a wstring.
437      **
438      **  @param value The String to set as value.
439      **/
440     public void
441     setAsWString(String   value)
442     {
443         type_ = WSTRING;
444         string_ = value;
445     }
446 
447     /**
448      **  Get as a wstring.
449      **
450      **  @return The wstring that must have been previously set.
451      **/
452     public String  
453     getAsWString()
454     {
455         return string_;
456     }
457 
458     /**
459      **  Is it an char?
460      **
461      **  @return true if it's a char or false otherwise.
462      **/
463     public boolean
464     isChar()
465     {
466         return type_ == CHAR;
467     }
468 
469     /**
470      **  Set with a char.
471      **
472      **  @param value The char to set as value.
473      **/
474     public void
475     setAsChar(char value)
476     {
477         type_ = CHAR;
478         char_ = value;
479     }
480 
481     /**
482      **  Get as a char.
483      **
484      **  @return The char that must have been previously set.
485      **/
486     public char
487     getAsChar()
488     {
489         return char_;
490     }
491 
492     /**
493      **  Is it an wchar?
494      **
495      **  @return true if it's a wchar or false otherwise.
496      **/
497     public boolean
498     isWChar()
499     {
500         return type_ == WCHAR;
501     }
502 
503     /**
504      **  Set with a wchar.
505      **
506      **  @param value The char to set as value.
507      **/
508     public void
509     setAsWChar(char value)
510     {
511         type_ = WCHAR;
512         char_ = value;
513     }
514 
515     /**
516      **  Get as a wchar.
517      **
518      **  @return The wchar that must have been previously set.
519      **/
520     public char
521     getAsWChar()
522     {
523         return char_;
524     }
525 
526     /**
527      **  Is it an fixed?
528      **
529      **  @return true if it's a fixed or false otherwise.
530      **/
531     public boolean
532     isFixed()
533     {
534         return type_ == FIXED;
535     }
536 
537     /**
538      **  Set with a fixed.
539      **
540      **  @param value The String to set as value.
541      **/
542     public void
543     setAsFixed(String   value)
544     {
545         type_ = FIXED;
546         fixed_ = value;
547     }
548 
549     /**
550      **  Get as a fixed.
551      **
552      **  @return The string that must have been previously set.
553      **/
554     public String  
555     getAsFixed()
556     {
557         return fixed_;
558     }
559 
560     /**
561      **  Is it a floating?
562      **
563      **  @return true if it's a float or false otherwise.
564      **/
565     public boolean
566     isFloating()
567     {
568         return type_ == FLOATING;
569     }
570 
571     /**
572      **  Set with a double.
573      **
574      **  @param value The double to set as value.
575      **/
576     public void
577     setAsFloating(double value)
578     {
579         type_ = FLOATING;
580         floating_ = value;
581     }
582 
583     /**
584      **  Get as a double.
585      **
586      **  @return The double that must have been previously set.
587      **/
588     public double
589     getAsFloating()
590     {
591         return floating_;
592     }
593 
594     /**
595      **  Is it a boolean?
596      **
597      **  @return true if it's a boolean or false otherwise.
598      **/
599     public boolean
600     isBoolean()
601     {
602         return type_ == BOOLEAN;
603     }
604 
605     /**
606      **  Set with a boolean.
607      **
608      **  @param value The boolean to set as value.
609      **/
610     public void
611     setAsBoolean(boolean value)
612     {
613         type_ = BOOLEAN;
614         boolean_ = value;
615     }
616 
617     /**
618      **  Get as a boolean.
619      **
620      **  @return The boolean that must have been previously set.
621      **/
622     public boolean
623     getAsBoolean()
624     {
625         return boolean_;
626     }
627 
628     /**
629      **  Is it a enum?
630      **
631      **  @return true if it's a enum or false otherwise.
632      **/
633     public boolean
634     isEnum()
635     {
636         return type_ == ENUM;
637     }
638 
639     /**
640      **  Set with an enum.
641      **
642      **  @param value The long to set as value.
643      **/
644     public void
645     setAsEnum(org.omg.CORBA.TypeCode   tc,
646               int value,
647               String   name)
648     {
649         type_ = ENUM;
650         tc_ = tc;
651         enumerator_ = value;
652         string_ = name;
653     }
654 
655     /**
656      **  Get as a enum.
657      **
658      **  @return The string that must have been previously set.
659      **/
660     public String  
661     getAsEnum()
662     {
663         return string_;
664     }
665 
666 }
667
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