1 /*
2 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.corba.se.impl.dynamicany;
27
28 import org.omg.CORBA.TypeCode;
29 import org.omg.CORBA.TCKind;
30 import org.omg.CORBA.Any;
31 import org.omg.CORBA.TypeCodePackage.BadKind;
32 import org.omg.CORBA.TypeCodePackage.Bounds;
33 import org.omg.CORBA.portable.InputStream;
34 import org.omg.DynamicAny.*;
35 import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
36 import org.omg.DynamicAny.DynAnyPackage.InvalidValue;
37 import org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode;
38
39 import com.sun.corba.se.spi.orb.ORB ;
40 import com.sun.corba.se.spi.logging.CORBALogDomains ;
41 import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
42
43 abstract class DynAnyComplexImpl extends DynAnyConstructedImpl
44 {
45 //
46 // Instance variables
47 //
48
49 String[] names = null;
50 // Instance variables components and names above are kept in sync
51 // with these two arrays at all times.
52 NameValuePair[] nameValuePairs = null;
53 NameDynAnyPair[] nameDynAnyPairs = null;
54
55 //
56 // Constructors
57 //
58
59 private DynAnyComplexImpl() {
60 this(null, (Any)null, false);
61 }
62
63 protected DynAnyComplexImpl(ORB orb, Any any, boolean copyValue) {
64 // We can be sure that typeCode is of kind tk_struct
65 super(orb, any, copyValue);
66 // Initialize components lazily, on demand.
67 // This is an optimization in case the user is only interested in storing Anys.
68 }
69
70 protected DynAnyComplexImpl(ORB orb, TypeCode typeCode) {
71 // We can be sure that typeCode is of kind tk_struct
72 super(orb, typeCode);
73 // For DynAnyComplex, the operation sets the current position to -1
74 // for empty exceptions and to zero for all other TypeCodes.
75 // The members (if any) are (recursively) initialized to their default values.
76 index = 0;
77 }
78
79 //
80 // DynAny interface methods
81 //
82
83 // _REVISIT_ Overridden to provide more efficient copying.
84 // Copies all the internal representations which is faster than reconstructing them.
85 /*
86 public org.omg.DynamicAny.DynAny copy() {
87 if (status == STATUS_DESTROYED) {
88 throw new OBJECT_NOT_EXIST();
89 }
90 DynAnyComplexImpl returnValue = null;
91 if ((representations & REPRESENTATION_ANY) != 0) {
92 // The flag "true" indicates copying the Any value
93 returnValue = (DynAnyComplexImpl)DynAnyUtil.createMostDerivedDynAny(any, orb, true);
94 }
95 if ((representations & REPRESENTATION_COMPONENTS) != 0) {
96 }
97 return returnValue;
98 }
99 */
100
101 //
102 // Complex methods
103 //
104
105 public String current_member_name ()
106 throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
107 org.omg.DynamicAny.DynAnyPackage.InvalidValue
108 {
109 if (status == STATUS_DESTROYED) {
110 throw wrapper.dynAnyDestroyed() ;
111 }
112 if( ! checkInitComponents() || index < 0 || index >= names.length) {
113 throw new InvalidValue();
114 }
115 return names[index];
116 }
117
118 public TCKind current_member_kind ()
119 throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
120 org.omg.DynamicAny.DynAnyPackage.InvalidValue
121 {
122 if (status == STATUS_DESTROYED) {
123 throw wrapper.dynAnyDestroyed() ;
124 }
125 if( ! checkInitComponents() || index < 0 || index >= components.length) {
126 throw new InvalidValue();
127 }
128 return components[index].type().kind();
129 }
130
131 // Creates references to the parameter instead of copying it.
132 public void set_members (org.omg.DynamicAny.NameValuePair[] value)
133 throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
134 org.omg.DynamicAny.DynAnyPackage.InvalidValue
135 {
136 if (status == STATUS_DESTROYED) {
137 throw wrapper.dynAnyDestroyed() ;
138 }
139 if (value == null || value.length == 0) {
140 clearData();
141 return;
142 }
143
144 Any memberAny;
145 DynAny memberDynAny = null;
146 String memberName;
147 // We know that this is of kind tk_struct
148 TypeCode expectedTypeCode = any.type();
149
150 int expectedMemberCount = 0;
151 try {
152 expectedMemberCount = expectedTypeCode.member_count();
153 } catch (BadKind badKind) { // impossible
154 }
155 if (expectedMemberCount != value.length) {
156 clearData();
157 throw new InvalidValue();
158 }
159
160 allocComponents(value);
161
162 for (int i=0; i<value.length; i++) {
163 if (value[i] != null) {
164 memberName = value[i].id;
165 String expectedMemberName = null;
166 try {
167 expectedMemberName = expectedTypeCode.member_name(i);
168 } catch (BadKind badKind) { // impossible
169 } catch (Bounds bounds) { // impossible
170 }
171 if ( ! (expectedMemberName.equals(memberName) || memberName.equals(""))) {
172 clearData();
173 // _REVISIT_ More info
174 throw new TypeMismatch();
175 }
176 memberAny = value[i].value;
177 TypeCode expectedMemberType = null;
178 try {
179 expectedMemberType = expectedTypeCode.member_type(i);
180 } catch (BadKind badKind) { // impossible
181 } catch (Bounds bounds) { // impossible
182 }
183 if (! expectedMemberType.equal(memberAny.type())) {
184 clearData();
185 // _REVISIT_ More info
186 throw new TypeMismatch();
187 }
188 try {
189 // Creates the appropriate subtype without copying the Any
190 memberDynAny = DynAnyUtil.createMostDerivedDynAny(memberAny, orb, false);
191 } catch (InconsistentTypeCode itc) {
192 throw new InvalidValue();
193 }
194 addComponent(i, memberName, memberAny, memberDynAny);
195 } else {
196 clearData();
197 // _REVISIT_ More info
198 throw new InvalidValue();
199 }
200 }
201 index = (value.length == 0 ? NO_INDEX : 0);
202 representations = REPRESENTATION_COMPONENTS;
203 }
204
205 // Creates references to the parameter instead of copying it.
206 public void set_members_as_dyn_any (org.omg.DynamicAny.NameDynAnyPair[] value)
207 throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
208 org.omg.DynamicAny.DynAnyPackage.InvalidValue
209 {
210 if (status == STATUS_DESTROYED) {
211 throw wrapper.dynAnyDestroyed() ;
212 }
213 if (value == null || value.length == 0) {
214 clearData();
215 return;
216 }
217
218 Any memberAny;
219 DynAny memberDynAny;
220 String memberName;
221 // We know that this is of kind tk_struct
222 TypeCode expectedTypeCode = any.type();
223
224 int expectedMemberCount = 0;
225 try {
226 expectedMemberCount = expectedTypeCode.member_count();
227 } catch (BadKind badKind) { // impossible
228 }
229 if (expectedMemberCount != value.length) {
230 clearData();
231 throw new InvalidValue();
232 }
233
234 allocComponents(value);
235
236 for (int i=0; i<value.length; i++) {
237 if (value[i] != null) {
238 memberName = value[i].id;
239 String expectedMemberName = null;
240 try {
241 expectedMemberName = expectedTypeCode.member_name(i);
242 } catch (BadKind badKind) { // impossible
243 } catch (Bounds bounds) { // impossible
244 }
245 if ( ! (expectedMemberName.equals(memberName) || memberName.equals(""))) {
246 clearData();
247 // _REVISIT_ More info
248 throw new TypeMismatch();
249 }
250 memberDynAny = value[i].value;
251 memberAny = getAny(memberDynAny);
252 TypeCode expectedMemberType = null;
253 try {
254 expectedMemberType = expectedTypeCode.member_type(i);
255 } catch (BadKind badKind) { // impossible
256 } catch (Bounds bounds) { // impossible
257 }
258 if (! expectedMemberType.equal(memberAny.type())) {
259 clearData();
260 // _REVISIT_ More info
261 throw new TypeMismatch();
262 }
263
264 addComponent(i, memberName, memberAny, memberDynAny);
265 } else {
266 clearData();
267 // _REVISIT_ More info
268 throw new InvalidValue();
269 }
270 }
271 index = (value.length == 0 ? NO_INDEX : 0);
272 representations = REPRESENTATION_COMPONENTS;
273 }
274
275 //
276 // Utility methods
277 //
278
279 private void allocComponents(int length) {
280 components = new DynAny[length];
281 names = new String[length];
282 nameValuePairs = new NameValuePair[length];
283 nameDynAnyPairs = new NameDynAnyPair[length];
284 for (int i=0; i<length; i++) {
285 nameValuePairs[i] = new NameValuePair();
286 nameDynAnyPairs[i] = new NameDynAnyPair();
287 }
288 }
289
290 private void allocComponents(org.omg.DynamicAny.NameValuePair[] value) {
291 components = new DynAny[value.length];
292 names = new String[value.length];
293 nameValuePairs = value;
294 nameDynAnyPairs = new NameDynAnyPair[value.length];
295 for (int i=0; i<value.length; i++) {
296 nameDynAnyPairs[i] = new NameDynAnyPair();
297 }
298 }
299
300 private void allocComponents(org.omg.DynamicAny.NameDynAnyPair[] value) {
301 components = new DynAny[value.length];
302 names = new String[value.length];
303 nameValuePairs = new NameValuePair[value.length];
304 for (int i=0; i<value.length; i++) {
305 nameValuePairs[i] = new NameValuePair();
306 }
307 nameDynAnyPairs = value;
308 }
309
310 private void addComponent(int i, String memberName, Any memberAny, DynAny memberDynAny) {
311 components[i] = memberDynAny;
312 names[i] = (memberName != null ? memberName : "");
313 nameValuePairs[i].id = memberName;
314 nameValuePairs[i].value = memberAny;
315 nameDynAnyPairs[i].id = memberName;
316 nameDynAnyPairs[i].value = memberDynAny;
317 if (memberDynAny instanceof DynAnyImpl)
318 ((DynAnyImpl)memberDynAny).setStatus(STATUS_UNDESTROYABLE);
319 }
320
321 // Initializes components, names, nameValuePairs and nameDynAnyPairs representation
322 // from the Any representation
323 protected boolean initializeComponentsFromAny() {
324 // This typeCode is of kind tk_struct.
325 TypeCode typeCode = any.type();
326 TypeCode memberType = null;
327 Any memberAny;
328 DynAny memberDynAny = null;
329 String memberName = null;
330 int length = 0;
331
332 try {
333 length = typeCode.member_count();
334 } catch (BadKind badKind) { // impossible
335 }
336
337 InputStream input = any.create_input_stream();
338
339 allocComponents(length);
340
341 for (int i=0; i<length; i++) {
342 try {
343 memberName = typeCode.member_name(i);
344 memberType = typeCode.member_type(i);
345 } catch (BadKind badKind) { // impossible
346 } catch (Bounds bounds) { // impossible
347 }
348 memberAny = DynAnyUtil.extractAnyFromStream(memberType, input, orb);
349 try {
350 // Creates the appropriate subtype without copying the Any
351 memberDynAny = DynAnyUtil.createMostDerivedDynAny(memberAny, orb, false);
352 // _DEBUG_
353 //System.out.println("Created DynAny for " + memberName +
354 // ", type " + memberType.kind().value());
355 } catch (InconsistentTypeCode itc) { // impossible
356 }
357 addComponent(i, memberName, memberAny, memberDynAny);
358 }
359 return true;
360 }
361
362 // Initializes components, names, nameValuePairs and nameDynAnyPairs representation
363 // from the internal TypeCode information with default values
364 // This is not done recursively, only one level.
365 // More levels are initialized lazily, on demand.
366 protected boolean initializeComponentsFromTypeCode() {
367 // This typeCode is of kind tk_struct.
368 TypeCode typeCode = any.type();
369 TypeCode memberType = null;
370 Any memberAny;
371 DynAny memberDynAny = null;
372 String memberName;
373 int length = 0;
374
375 try {
376 length = typeCode.member_count();
377 } catch (BadKind badKind) { // impossible
378 }
379
380 allocComponents(length);
381
382 for (int i=0; i<length; i++) {
383 memberName = null;
384 try {
385 memberName = typeCode.member_name(i);
386 memberType = typeCode.member_type(i);
387 } catch (BadKind badKind) { // impossible
388 } catch (Bounds bounds) { // impossible
389 }
390 try {
391 memberDynAny = DynAnyUtil.createMostDerivedDynAny(memberType, orb);
392 // _DEBUG_
393 //System.out.println("Created DynAny for " + memberName +
394 // ", type " + memberType.kind().value());
395 /*
396 if (memberDynAny instanceof DynAnyConstructedImpl) {
397 if ( ! ((DynAnyConstructedImpl)memberDynAny).isRecursive()) {
398 // This is the recursive part
399 ((DynAnyConstructedImpl)memberDynAny).initializeComponentsFromTypeCode();
400 }
401 } // Other implementations have their own way of dealing with implementing the spec.
402 */
403 } catch (InconsistentTypeCode itc) { // impossible
404 }
405 // get a hold of the default initialized Any without copying
406 memberAny = getAny(memberDynAny);
407 addComponent(i, memberName, memberAny, memberDynAny);
408 }
409 return true;
410 }
411
412 // It is probably right not to destroy the released component DynAnys.
413 // Some other DynAny or a user variable might still hold onto them
414 // and if not then the garbage collector will take care of it.
415 protected void clearData() {
416 super.clearData();
417 names = null;
418 nameValuePairs = null;
419 nameDynAnyPairs = null;
420 }
421 }