168 |
public final void writeObject (Object obj) throws IOException |
public final void writeObject (Object obj) throws IOException |
169 |
{ |
{ |
170 |
if (useSubclassMethod) |
if (useSubclassMethod) |
171 |
{ |
{ |
172 |
writeObjectOverride (obj); |
writeObjectOverride (obj); |
173 |
return; |
return; |
174 |
} |
} |
175 |
|
|
176 |
boolean was_serializing = isSerializing; |
boolean was_serializing = isSerializing; |
177 |
|
|
178 |
if (! was_serializing) |
boolean old_mode = setBlockDataMode (false); |
179 |
setBlockDataMode (false); |
|
|
|
|
180 |
try |
try |
|
{ |
|
|
isSerializing = true; |
|
|
boolean replaceDone = false; |
|
|
|
|
|
drain (); |
|
|
|
|
|
while (true) |
|
181 |
{ |
{ |
182 |
if (obj == null) |
isSerializing = true; |
183 |
{ |
boolean replaceDone = false; |
184 |
realOutput.writeByte (TC_NULL); |
|
|
break; |
|
|
} |
|
|
|
|
|
Integer handle = findHandle (obj); |
|
|
if (handle != null) |
|
|
{ |
|
|
realOutput.writeByte (TC_REFERENCE); |
|
|
realOutput.writeInt (handle.intValue ()); |
|
|
break; |
|
|
} |
|
|
|
|
|
if (obj instanceof Class) |
|
|
{ |
|
|
realOutput.writeByte (TC_CLASS); |
|
|
writeObject (ObjectStreamClass.lookup ((Class)obj)); |
|
|
assignNewHandle (obj); |
|
|
break; |
|
|
} |
|
|
|
|
|
if (obj instanceof ObjectStreamClass) |
|
|
{ |
|
|
ObjectStreamClass osc = (ObjectStreamClass)obj; |
|
|
realOutput.writeByte (TC_CLASSDESC); |
|
|
realOutput.writeUTF (osc.getName ()); |
|
|
realOutput.writeLong (osc.getSerialVersionUID ()); |
|
|
assignNewHandle (obj); |
|
|
|
|
|
int flags = osc.getFlags (); |
|
|
|
|
|
if (protocolVersion == PROTOCOL_VERSION_2 |
|
|
&& osc.isExternalizable ()) |
|
|
flags |= SC_BLOCK_DATA; |
|
|
|
|
|
realOutput.writeByte (flags); |
|
|
|
|
|
ObjectStreamField[] fields = osc.fields; |
|
|
realOutput.writeShort (fields.length); |
|
|
|
|
|
ObjectStreamField field; |
|
|
for (int i=0; i < fields.length; i++) |
|
|
{ |
|
|
field = fields[i]; |
|
|
realOutput.writeByte (field.getTypeCode ()); |
|
|
realOutput.writeUTF (field.getName ()); |
|
|
|
|
|
if (! field.isPrimitive ()) |
|
|
writeObject (field.getTypeString ()); |
|
|
} |
|
|
|
|
|
setBlockDataMode (true); |
|
|
annotateClass (osc.forClass ()); |
|
|
setBlockDataMode (false); |
|
|
realOutput.writeByte (TC_ENDBLOCKDATA); |
|
|
|
|
|
if (osc.isSerializable ()) |
|
|
writeObject (osc.getSuper ()); |
|
|
else |
|
|
writeObject (null); |
|
|
break; |
|
|
} |
|
|
|
|
|
|
|
185 |
Object replacedObject = null; |
Object replacedObject = null; |
186 |
|
|
187 |
if ((replacementEnabled || obj instanceof Serializable) |
while (true) |
188 |
&& ! replaceDone) |
{ |
189 |
{ |
if (obj == null) |
|
replacedObject = obj; |
|
|
|
|
|
if (obj instanceof Serializable) |
|
|
{ |
|
|
Method m = null; |
|
|
try |
|
|
{ |
|
|
Class classArgs[] = {}; |
|
|
m = obj.getClass ().getDeclaredMethod ("writeReplace", |
|
|
classArgs); |
|
|
// m can't be null by definition since an exception would |
|
|
// have been thrown so a check for null is not needed. |
|
|
obj = m.invoke (obj, new Object[] {}); |
|
|
} |
|
|
catch (NoSuchMethodException ignore) |
|
190 |
{ |
{ |
191 |
|
realOutput.writeByte (TC_NULL); |
192 |
|
break; |
193 |
} |
} |
194 |
catch (IllegalAccessException ignore) |
|
195 |
|
Integer handle = findHandle (obj); |
196 |
|
if (handle != null) |
197 |
{ |
{ |
198 |
|
realOutput.writeByte (TC_REFERENCE); |
199 |
|
realOutput.writeInt (handle.intValue ()); |
200 |
|
break; |
201 |
} |
} |
202 |
catch (InvocationTargetException ignore) |
|
203 |
|
if (obj instanceof Class) |
204 |
{ |
{ |
205 |
|
Class cl = (Class)obj; |
206 |
|
ObjectStreamClass osc = ObjectStreamClass.lookupForClassObject (cl); |
207 |
|
assignNewHandle (obj); |
208 |
|
realOutput.writeByte (TC_CLASS); |
209 |
|
if (!osc.isProxyClass ()) |
210 |
|
{ |
211 |
|
writeObject (osc); |
212 |
|
} |
213 |
|
else |
214 |
|
{ |
215 |
|
realOutput.writeByte (TC_PROXYCLASSDESC); |
216 |
|
Class[] intfs = cl.getInterfaces(); |
217 |
|
realOutput.writeInt(intfs.length); |
218 |
|
for (int i = 0; i < intfs.length; i++) |
219 |
|
realOutput.writeUTF(intfs[i].getName()); |
220 |
|
|
221 |
|
boolean oldmode = setBlockDataMode (true); |
222 |
|
annotateProxyClass(cl); |
223 |
|
setBlockDataMode (oldmode); |
224 |
|
realOutput.writeByte(TC_ENDBLOCKDATA); |
225 |
|
|
226 |
|
writeObject (osc.getSuper()); |
227 |
|
} |
228 |
|
break; |
229 |
} |
} |
|
} |
|
230 |
|
|
|
if (replacementEnabled) |
|
|
obj = replaceObject (obj); |
|
231 |
|
|
232 |
replaceDone = true; |
if (obj instanceof ObjectStreamClass) |
233 |
continue; |
{ |
234 |
} |
ObjectStreamClass osc = (ObjectStreamClass)obj; |
235 |
|
realOutput.writeByte (TC_CLASSDESC); |
236 |
|
realOutput.writeUTF (osc.getName ()); |
237 |
|
realOutput.writeLong (osc.getSerialVersionUID ()); |
238 |
|
assignNewHandle (obj); |
239 |
|
|
240 |
|
int flags = osc.getFlags (); |
241 |
|
|
242 |
|
if (protocolVersion == PROTOCOL_VERSION_2 |
243 |
|
&& osc.isExternalizable ()) |
244 |
|
flags |= SC_BLOCK_DATA; |
245 |
|
|
246 |
|
realOutput.writeByte (flags); |
247 |
|
|
248 |
|
ObjectStreamField[] fields = osc.fields; |
249 |
|
realOutput.writeShort (fields.length); |
250 |
|
|
251 |
|
ObjectStreamField field; |
252 |
|
for (int i=0; i < fields.length; i++) |
253 |
|
{ |
254 |
|
field = fields[i]; |
255 |
|
realOutput.writeByte (field.getTypeCode ()); |
256 |
|
realOutput.writeUTF (field.getName ()); |
257 |
|
|
258 |
|
if (! field.isPrimitive ()) |
259 |
|
writeObject (field.getTypeString ()); |
260 |
|
} |
261 |
|
|
262 |
|
boolean oldmode = setBlockDataMode (true); |
263 |
|
annotateClass (osc.forClass ()); |
264 |
|
setBlockDataMode (oldmode); |
265 |
|
realOutput.writeByte (TC_ENDBLOCKDATA); |
266 |
|
|
267 |
|
if (osc.isSerializable ()) |
268 |
|
writeObject (osc.getSuper ()); |
269 |
|
else |
270 |
|
writeObject (null); |
271 |
|
break; |
272 |
|
} |
273 |
|
|
|
if (obj instanceof String) |
|
|
{ |
|
|
realOutput.writeByte (TC_STRING); |
|
|
assignNewHandle (obj); |
|
|
realOutput.writeUTF ((String)obj); |
|
|
break; |
|
|
} |
|
274 |
|
|
275 |
Class clazz = obj.getClass (); |
if ((replacementEnabled || obj instanceof Serializable) |
276 |
ObjectStreamClass osc = ObjectStreamClass.lookup (clazz); |
&& ! replaceDone) |
277 |
if (osc == null) |
{ |
278 |
throw new NotSerializableException (clazz.getName ()); |
replacedObject = obj; |
279 |
|
|
280 |
if (clazz.isArray ()) |
if (obj instanceof Serializable) |
281 |
{ |
{ |
282 |
realOutput.writeByte (TC_ARRAY); |
Method m = null; |
283 |
writeObject (osc); |
try |
284 |
assignNewHandle (obj); |
{ |
285 |
writeArraySizeAndElements (obj, clazz.getComponentType ()); |
Class classArgs[] = {}; |
286 |
break; |
m = obj.getClass ().getDeclaredMethod ("writeReplace", |
287 |
} |
classArgs); |
288 |
|
// m can't be null by definition since an exception would |
289 |
|
// have been thrown so a check for null is not needed. |
290 |
|
obj = m.invoke (obj, new Object[] {}); |
291 |
|
} |
292 |
|
catch (NoSuchMethodException ignore) |
293 |
|
{ |
294 |
|
} |
295 |
|
catch (IllegalAccessException ignore) |
296 |
|
{ |
297 |
|
} |
298 |
|
catch (InvocationTargetException ignore) |
299 |
|
{ |
300 |
|
} |
301 |
|
} |
302 |
|
|
303 |
|
if (replacementEnabled) |
304 |
|
obj = replaceObject (obj); |
305 |
|
|
306 |
|
replaceDone = true; |
307 |
|
continue; |
308 |
|
} |
309 |
|
|
310 |
realOutput.writeByte (TC_OBJECT); |
if (obj instanceof String) |
311 |
writeObject (osc); |
{ |
312 |
|
realOutput.writeByte (TC_STRING); |
313 |
|
assignNewHandle (obj); |
314 |
|
realOutput.writeUTF ((String)obj); |
315 |
|
break; |
316 |
|
} |
317 |
|
|
318 |
if (replaceDone) |
Class clazz = obj.getClass (); |
319 |
assignNewHandle (replacedObject); |
ObjectStreamClass osc = ObjectStreamClass.lookupForClassObject (clazz); |
320 |
else |
if (osc == null) |
321 |
assignNewHandle (obj); |
throw new NotSerializableException (clazz.getName ()); |
322 |
|
|
323 |
if (obj instanceof Externalizable) |
if (clazz.isArray ()) |
324 |
{ |
{ |
325 |
if (protocolVersion == PROTOCOL_VERSION_2) |
realOutput.writeByte (TC_ARRAY); |
326 |
setBlockDataMode (true); |
writeObject (osc); |
327 |
|
assignNewHandle (obj); |
328 |
|
writeArraySizeAndElements (obj, clazz.getComponentType ()); |
329 |
|
break; |
330 |
|
} |
331 |
|
|
332 |
((Externalizable)obj).writeExternal (this); |
realOutput.writeByte (TC_OBJECT); |
333 |
|
writeObject (osc); |
334 |
|
|
335 |
if (protocolVersion == PROTOCOL_VERSION_2) |
if (replaceDone) |
336 |
{ |
assignNewHandle (replacedObject); |
337 |
setBlockDataMode (false); |
else |
338 |
drain (); |
assignNewHandle (obj); |
|
} |
|
339 |
|
|
340 |
break; |
if (obj instanceof Externalizable) |
341 |
} |
{ |
342 |
|
if (protocolVersion == PROTOCOL_VERSION_2) |
343 |
|
setBlockDataMode (true); |
344 |
|
|
345 |
if (obj instanceof Serializable) |
((Externalizable)obj).writeExternal (this); |
|
{ |
|
|
currentObject = obj; |
|
|
ObjectStreamClass[] hierarchy = |
|
|
ObjectStreamClass.getObjectStreamClasses (clazz); |
|
346 |
|
|
347 |
boolean has_write; |
if (protocolVersion == PROTOCOL_VERSION_2) |
348 |
for (int i=0; i < hierarchy.length; i++) |
{ |
349 |
{ |
setBlockDataMode (false); |
350 |
currentObjectStreamClass = hierarchy[i]; |
realOutput.writeByte (TC_ENDBLOCKDATA); |
351 |
|
} |
352 |
|
|
353 |
|
break; |
354 |
|
} |
355 |
|
|
356 |
fieldsAlreadyWritten = false; |
if (obj instanceof Serializable) |
357 |
has_write = currentObjectStreamClass.hasWriteMethod (); |
{ |
358 |
|
currentObject = obj; |
359 |
|
ObjectStreamClass[] hierarchy = |
360 |
|
ObjectStreamClass.getObjectStreamClasses (clazz); |
361 |
|
|
362 |
|
boolean has_write; |
363 |
|
for (int i=0; i < hierarchy.length; i++) |
364 |
|
{ |
365 |
|
currentObjectStreamClass = hierarchy[i]; |
366 |
|
|
367 |
|
fieldsAlreadyWritten = false; |
368 |
|
has_write = currentObjectStreamClass.hasWriteMethod (); |
369 |
|
|
370 |
|
writeFields (obj, currentObjectStreamClass.fields, |
371 |
|
has_write); |
372 |
|
|
373 |
|
// if (has_write) |
374 |
|
// { |
375 |
|
// drain (); |
376 |
|
// realOutput.writeByte (TC_ENDBLOCKDATA); |
377 |
|
// } |
378 |
|
} |
379 |
|
|
380 |
|
currentObject = null; |
381 |
|
currentObjectStreamClass = null; |
382 |
|
currentPutField = null; |
383 |
|
break; |
384 |
|
} |
385 |
|
|
386 |
writeFields (obj, currentObjectStreamClass.fields, |
throw new NotSerializableException (clazz.getName ()); |
387 |
has_write); |
} // end pseudo-loop |
388 |
|
} |
389 |
|
catch (IOException e) |
390 |
|
{ |
391 |
|
realOutput.writeByte (TC_EXCEPTION); |
392 |
|
reset (true); |
393 |
|
|
394 |
if (has_write) |
setBlockDataMode (false); // ?? |
395 |
{ |
try |
396 |
drain (); |
{ |
397 |
realOutput.writeByte (TC_ENDBLOCKDATA); |
writeObject (e); |
398 |
} |
} |
399 |
|
catch (IOException ioe) |
400 |
|
{ |
401 |
|
throw new StreamCorruptedException ("Exception " + ioe + " thrown while exception was being written to stream."); |
402 |
} |
} |
403 |
|
|
404 |
currentObject = null; |
reset (true); |
|
currentObjectStreamClass = null; |
|
|
currentPutField = null; |
|
|
break; |
|
|
} |
|
|
|
|
|
throw new NotSerializableException (clazz.getName ()); |
|
|
} // end pseudo-loop |
|
405 |
} |
} |
406 |
catch (IOException e) |
finally |
|
{ |
|
|
realOutput.writeByte (TC_EXCEPTION); |
|
|
reset (true); |
|
|
|
|
|
try |
|
|
{ |
|
|
writeObject (e); |
|
|
} |
|
|
catch (IOException ioe) |
|
407 |
{ |
{ |
408 |
throw new StreamCorruptedException ("Exception " + ioe + " thrown while exception was being written to stream."); |
isSerializing = was_serializing; |
409 |
|
|
410 |
|
setBlockDataMode (old_mode); |
411 |
} |
} |
|
|
|
|
reset (true); |
|
|
} |
|
|
finally |
|
|
{ |
|
|
isSerializing = was_serializing; |
|
|
|
|
|
if (! was_serializing) |
|
|
setBlockDataMode (true); |
|
|
} |
|
412 |
} |
} |
413 |
|
|
414 |
|
|
547 |
protected void annotateClass (Class cl) throws IOException |
protected void annotateClass (Class cl) throws IOException |
548 |
{} |
{} |
549 |
|
|
550 |
|
protected void annotateProxyClass(Class cl) throws IOException |
551 |
|
{} |
552 |
|
|
553 |
/** |
/** |
554 |
Allows subclasses to replace objects that are written to the |
Allows subclasses to replace objects that are written to the |
723 |
if (blockDataCount == 0) |
if (blockDataCount == 0) |
724 |
return; |
return; |
725 |
|
|
726 |
writeBlockDataHeader (blockDataCount); |
if (writeDataAsBlocks) // ?? |
727 |
|
writeBlockDataHeader (blockDataCount); |
728 |
realOutput.write (blockData, 0, blockDataCount); |
realOutput.write (blockData, 0, blockDataCount); |
729 |
blockDataCount = 0; |
blockDataCount = 0; |
730 |
} |
} |
735 |
*/ |
*/ |
736 |
public void close () throws IOException |
public void close () throws IOException |
737 |
{ |
{ |
738 |
drain (); |
flush (); |
739 |
realOutput.close (); |
realOutput.close (); |
740 |
} |
} |
741 |
|
|
745 |
*/ |
*/ |
746 |
public void writeBoolean (boolean data) throws IOException |
public void writeBoolean (boolean data) throws IOException |
747 |
{ |
{ |
748 |
dataOutput.writeBoolean (data); |
blockDataOutput.writeBoolean (data); |
749 |
} |
} |
750 |
|
|
751 |
|
|
754 |
*/ |
*/ |
755 |
public void writeByte (int data) throws IOException |
public void writeByte (int data) throws IOException |
756 |
{ |
{ |
757 |
dataOutput.writeByte (data); |
blockDataOutput.writeByte (data); |
758 |
} |
} |
759 |
|
|
760 |
|
|
763 |
*/ |
*/ |
764 |
public void writeShort (int data) throws IOException |
public void writeShort (int data) throws IOException |
765 |
{ |
{ |
766 |
dataOutput.writeShort (data); |
blockDataOutput.writeShort (data); |
767 |
} |
} |
768 |
|
|
769 |
|
|
772 |
*/ |
*/ |
773 |
public void writeChar (int data) throws IOException |
public void writeChar (int data) throws IOException |
774 |
{ |
{ |
775 |
dataOutput.writeChar (data); |
blockDataOutput.writeChar (data); |
776 |
} |
} |
777 |
|
|
778 |
|
|
781 |
*/ |
*/ |
782 |
public void writeInt (int data) throws IOException |
public void writeInt (int data) throws IOException |
783 |
{ |
{ |
784 |
dataOutput.writeInt (data); |
blockDataOutput.writeInt (data); |
785 |
} |
} |
786 |
|
|
787 |
|
|
790 |
*/ |
*/ |
791 |
public void writeLong (long data) throws IOException |
public void writeLong (long data) throws IOException |
792 |
{ |
{ |
793 |
dataOutput.writeLong (data); |
blockDataOutput.writeLong (data); |
794 |
} |
} |
795 |
|
|
796 |
|
|
799 |
*/ |
*/ |
800 |
public void writeFloat (float data) throws IOException |
public void writeFloat (float data) throws IOException |
801 |
{ |
{ |
802 |
dataOutput.writeFloat (data); |
blockDataOutput.writeFloat (data); |
803 |
} |
} |
804 |
|
|
805 |
|
|
808 |
*/ |
*/ |
809 |
public void writeDouble (double data) throws IOException |
public void writeDouble (double data) throws IOException |
810 |
{ |
{ |
811 |
dataOutput.writeDouble (data); |
blockDataOutput.writeDouble (data); |
812 |
} |
} |
813 |
|
|
814 |
|
|
817 |
*/ |
*/ |
818 |
public void writeBytes (String data) throws IOException |
public void writeBytes (String data) throws IOException |
819 |
{ |
{ |
820 |
dataOutput.writeBytes (data); |
blockDataOutput.writeBytes (data); |
821 |
} |
} |
822 |
|
|
823 |
|
|
987 |
{ |
{ |
988 |
ObjectStreamField field |
ObjectStreamField field |
989 |
= currentObjectStreamClass.getField (name); |
= currentObjectStreamClass.getField (name); |
990 |
|
if (field == null) |
991 |
|
throw new IllegalArgumentException (); |
992 |
|
|
993 |
if (value != null && |
if (value != null && |
994 |
! field.getType ().isAssignableFrom (value.getClass ())) |
! field.getType ().isAssignableFrom (value.getClass ())) |
995 |
throw new IllegalArgumentException (); |
throw new IllegalArgumentException (); |
1001 |
// Apparently Block data is not used with PutField as per |
// Apparently Block data is not used with PutField as per |
1002 |
// empirical evidence against JDK 1.2. Also see Mauve test |
// empirical evidence against JDK 1.2. Also see Mauve test |
1003 |
// java.io.ObjectInputOutput.Test.GetPutField. |
// java.io.ObjectInputOutput.Test.GetPutField. |
1004 |
setBlockDataMode (false); |
boolean oldmode = setBlockDataMode (false); |
1005 |
out.write (prim_field_data); |
out.write (prim_field_data); |
1006 |
for (int i = 0; i < objs.length; ++ i) |
for (int i = 0; i < objs.length; ++ i) |
1007 |
out.writeObject (objs[i]); |
out.writeObject (objs[i]); |
1008 |
setBlockDataMode (true); |
setBlockDataMode (oldmode); |
1009 |
} |
} |
1010 |
|
|
1011 |
private void checkType (ObjectStreamField field, char type) |
private void checkType (ObjectStreamField field, char type) |
1092 |
{ |
{ |
1093 |
byte[] cast_array = (byte[])array; |
byte[] cast_array = (byte[])array; |
1094 |
realOutput.writeInt (length); |
realOutput.writeInt (length); |
1095 |
for (int i=0; i < length; i++) |
realOutput.write(cast_array, 0, length); |
|
realOutput.writeByte (cast_array[i]); |
|
1096 |
return; |
return; |
1097 |
} |
} |
1098 |
if (clazz == Character.TYPE) |
if (clazz == Character.TYPE) |
1166 |
setBlockDataMode (true); |
setBlockDataMode (true); |
1167 |
callWriteMethod (obj); |
callWriteMethod (obj); |
1168 |
setBlockDataMode (false); |
setBlockDataMode (false); |
1169 |
|
realOutput.writeByte (TC_ENDBLOCKDATA); |
1170 |
return; |
return; |
1171 |
} |
} |
1172 |
|
|
1173 |
|
boolean oldmode = setBlockDataMode (false); //?? |
1174 |
String field_name; |
String field_name; |
1175 |
Class type; |
Class type; |
1176 |
for (int i=0; i < fields.length; i++) |
for (int i=0; i < fields.length; i++) |
1196 |
realOutput.writeShort (getShortField (obj, field_name)); |
realOutput.writeShort (getShortField (obj, field_name)); |
1197 |
else |
else |
1198 |
writeObject (getObjectField (obj, field_name, |
writeObject (getObjectField (obj, field_name, |
1199 |
TypeSignature.getEncodingOfClass (type))); |
fields[i].getTypeString ())); |
1200 |
} |
} |
1201 |
|
setBlockDataMode (oldmode); // ?? |
1202 |
} |
} |
1203 |
|
|
1204 |
|
|
1205 |
// Toggles writing primitive data to block-data buffer. |
// Toggles writing primitive data to block-data buffer. |
1206 |
private void setBlockDataMode (boolean on) |
private boolean setBlockDataMode (boolean on) throws IOException |
1207 |
{ |
{ |
1208 |
|
if (on == writeDataAsBlocks) |
1209 |
|
return on; |
1210 |
|
|
1211 |
|
drain(); |
1212 |
|
boolean oldmode = writeDataAsBlocks; |
1213 |
|
|
1214 |
writeDataAsBlocks = on; |
writeDataAsBlocks = on; |
1215 |
|
|
1216 |
if (on) |
if (on) |
1217 |
dataOutput = blockDataOutput; |
dataOutput = blockDataOutput; |
1218 |
else |
else |
1219 |
dataOutput = realOutput; |
dataOutput = realOutput; |
1220 |
|
|
1221 |
|
return oldmode; |
1222 |
} |
} |
1223 |
|
|
1224 |
|
|