author | coffeys |
Fri, 11 Nov 2011 10:16:17 +0000 | |
changeset 11044 | 758078ec0816 |
parent 5555 | b2b5ed3f0d0d |
child 16136 | f5a39cbcd82f |
permissions | -rw-r--r-- |
4 | 1 |
/* |
11044
758078ec0816
7091388: Regular unexplained npe's from corba libs after system has been running for days
coffeys
parents:
5555
diff
changeset
|
2 |
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
4 | 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 |
|
5555 | 7 |
* published by the Free Software Foundation. Oracle designates this |
4 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5555 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
4 | 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 |
* |
|
5555 | 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. |
|
4 | 24 |
*/ |
25 |
||
26 |
/* |
|
27 |
* Licensed Materials - Property of IBM |
|
28 |
* RMI-IIOP v1.0 |
|
29 |
* Copyright IBM Corp. 1998 1999 All Rights Reserved |
|
30 |
* |
|
31 |
*/ |
|
32 |
||
33 |
package com.sun.corba.se.impl.encoding; |
|
34 |
||
35 |
import java.io.IOException; |
|
36 |
import java.io.Serializable; |
|
37 |
import java.io.ByteArrayInputStream; |
|
38 |
import java.io.ObjectInputStream; |
|
39 |
import java.io.IOException; |
|
40 |
import java.io.StreamCorruptedException; |
|
41 |
import java.io.OptionalDataException; |
|
42 |
import java.io.IOException; |
|
43 |
||
44 |
import java.util.Stack; |
|
45 |
||
46 |
import java.net.URL; |
|
47 |
import java.net.MalformedURLException; |
|
48 |
||
49 |
import java.nio.ByteBuffer; |
|
50 |
||
51 |
import java.lang.reflect.InvocationTargetException; |
|
52 |
import java.lang.reflect.Method; |
|
53 |
||
54 |
import java.math.BigDecimal; |
|
55 |
||
56 |
import java.rmi.Remote; |
|
57 |
import java.rmi.StubNotFoundException; |
|
58 |
||
59 |
import java.security.AccessController; |
|
60 |
import java.security.PrivilegedExceptionAction; |
|
61 |
import java.security.PrivilegedActionException; |
|
62 |
||
63 |
import org.omg.CORBA.SystemException; |
|
64 |
import org.omg.CORBA.Object; |
|
65 |
import org.omg.CORBA.Principal; |
|
66 |
import org.omg.CORBA.TypeCode; |
|
67 |
import org.omg.CORBA.Any; |
|
68 |
import org.omg.CORBA.portable.Delegate; |
|
69 |
import org.omg.CORBA.portable.ValueBase; |
|
70 |
import org.omg.CORBA.portable.IndirectionException; |
|
71 |
import org.omg.CORBA.CompletionStatus; |
|
72 |
import org.omg.CORBA.TCKind; |
|
73 |
import org.omg.CORBA.TypeCodePackage.BadKind; |
|
74 |
import org.omg.CORBA.CustomMarshal; |
|
75 |
import org.omg.CORBA.TypeCode; |
|
76 |
import org.omg.CORBA.Principal; |
|
77 |
import org.omg.CORBA.Any; |
|
78 |
import org.omg.CORBA.portable.BoxedValueHelper; |
|
79 |
import org.omg.CORBA.portable.ValueFactory; |
|
80 |
import org.omg.CORBA.portable.CustomValue; |
|
81 |
import org.omg.CORBA.portable.StreamableValue; |
|
82 |
import org.omg.CORBA.MARSHAL; |
|
83 |
import org.omg.CORBA.portable.IDLEntity; |
|
84 |
||
85 |
import javax.rmi.PortableRemoteObject; |
|
86 |
import javax.rmi.CORBA.Tie; |
|
87 |
import javax.rmi.CORBA.Util; |
|
88 |
import javax.rmi.CORBA.ValueHandler; |
|
89 |
||
90 |
import com.sun.corba.se.pept.protocol.MessageMediator; |
|
91 |
import com.sun.corba.se.pept.transport.ByteBufferPool; |
|
92 |
||
93 |
import com.sun.corba.se.spi.protocol.RequestDispatcherRegistry; |
|
94 |
import com.sun.corba.se.spi.protocol.CorbaClientDelegate; |
|
95 |
||
96 |
import com.sun.corba.se.spi.ior.IOR; |
|
97 |
import com.sun.corba.se.spi.ior.IORFactories; |
|
98 |
import com.sun.corba.se.spi.ior.iiop.GIOPVersion; |
|
99 |
||
100 |
import com.sun.corba.se.spi.orb.ORB; |
|
101 |
import com.sun.corba.se.spi.orb.ORBVersionFactory; |
|
102 |
import com.sun.corba.se.spi.orb.ORBVersion; |
|
103 |
||
104 |
import com.sun.corba.se.spi.protocol.CorbaMessageMediator; |
|
105 |
||
106 |
import com.sun.corba.se.spi.logging.CORBALogDomains; |
|
107 |
import com.sun.corba.se.spi.presentation.rmi.PresentationManager; |
|
108 |
import com.sun.corba.se.spi.presentation.rmi.StubAdapter; |
|
109 |
import com.sun.corba.se.spi.presentation.rmi.PresentationDefaults; |
|
110 |
||
111 |
import com.sun.corba.se.impl.logging.ORBUtilSystemException; |
|
112 |
import com.sun.corba.se.impl.logging.OMGSystemException; |
|
113 |
||
114 |
import com.sun.corba.se.impl.corba.PrincipalImpl; |
|
115 |
import com.sun.corba.se.impl.corba.TypeCodeImpl; |
|
116 |
import com.sun.corba.se.impl.corba.CORBAObjectImpl; |
|
117 |
||
118 |
import com.sun.corba.se.impl.encoding.CDROutputObject; |
|
119 |
import com.sun.corba.se.impl.encoding.CodeSetConversion; |
|
120 |
||
121 |
import com.sun.corba.se.impl.util.Utility; |
|
122 |
import com.sun.corba.se.impl.util.RepositoryId; |
|
123 |
||
124 |
import com.sun.corba.se.impl.orbutil.RepositoryIdStrings; |
|
125 |
import com.sun.corba.se.impl.orbutil.RepositoryIdInterface; |
|
126 |
import com.sun.corba.se.impl.orbutil.RepositoryIdUtility; |
|
127 |
import com.sun.corba.se.impl.orbutil.RepositoryIdFactory; |
|
128 |
||
129 |
import com.sun.corba.se.impl.orbutil.ORBUtility; |
|
130 |
import com.sun.corba.se.impl.orbutil.CacheTable; |
|
131 |
||
132 |
||
133 |
import com.sun.org.omg.CORBA.portable.ValueHelper; |
|
134 |
||
135 |
import com.sun.org.omg.SendingContext.CodeBase; |
|
136 |
||
137 |
public class CDRInputStream_1_0 extends CDRInputStreamBase |
|
138 |
implements RestorableInputStream |
|
139 |
{ |
|
140 |
private static final String kReadMethod = "read"; |
|
141 |
private static final int maxBlockLength = 0x7fffff00; |
|
142 |
||
143 |
protected BufferManagerRead bufferManagerRead; |
|
144 |
protected ByteBufferWithInfo bbwi; |
|
145 |
||
146 |
// Set to the ORB's transportDebugFlag value. This value is |
|
147 |
// used if the ORB is null. |
|
148 |
private boolean debug = false; |
|
149 |
||
150 |
protected boolean littleEndian; |
|
151 |
protected ORB orb; |
|
152 |
protected ORBUtilSystemException wrapper ; |
|
153 |
protected OMGSystemException omgWrapper ; |
|
154 |
protected ValueHandler valueHandler = null; |
|
155 |
||
156 |
// Value cache |
|
157 |
private CacheTable valueCache = null; |
|
158 |
||
159 |
// Repository ID cache |
|
160 |
private CacheTable repositoryIdCache = null; |
|
161 |
||
162 |
// codebase cache |
|
163 |
private CacheTable codebaseCache = null; |
|
164 |
||
165 |
// Current Class Stack (repository Ids of current class being read) |
|
166 |
// private Stack currentStack = null; |
|
167 |
||
168 |
// Length of current chunk, or a large positive number if not in a chunk |
|
169 |
protected int blockLength = maxBlockLength; |
|
170 |
||
171 |
// Read end flag (value nesting depth) |
|
172 |
protected int end_flag = 0; |
|
173 |
||
174 |
// Beginning with the resolution to interop issue 3526 (4328?), |
|
175 |
// only enclosing chunked valuetypes are taken into account |
|
176 |
// when computing the nesting level. However, we still need |
|
177 |
// the old computation around for interoperability with our |
|
178 |
// older ORBs. |
|
179 |
private int chunkedValueNestingLevel = 0; |
|
180 |
||
181 |
// Flag used to determine whether blocksize was zero |
|
182 |
// private int checkForNullBlock = -1; |
|
183 |
||
184 |
// In block flag |
|
185 |
// private boolean inBlock = false; |
|
186 |
||
187 |
// Indicates whether we are inside a value |
|
188 |
// private boolean outerValueDone = true; |
|
189 |
||
190 |
// Int used by read_value(Serializable) that is set by this class |
|
191 |
// before calling ValueFactory.read_value |
|
192 |
protected int valueIndirection = 0; |
|
193 |
||
194 |
// Int set by readStringOrIndirection to communicate the actual |
|
195 |
// offset of the string length field back to the caller |
|
196 |
protected int stringIndirection = 0; |
|
197 |
||
198 |
// Flag indicating whether we are unmarshalling a chunked value |
|
199 |
protected boolean isChunked = false; |
|
200 |
||
201 |
// Repository ID handlers |
|
202 |
private RepositoryIdUtility repIdUtil; |
|
203 |
private RepositoryIdStrings repIdStrs; |
|
204 |
||
205 |
// Code set converters (created when first needed) |
|
206 |
private CodeSetConversion.BTCConverter charConverter; |
|
207 |
private CodeSetConversion.BTCConverter wcharConverter; |
|
208 |
||
209 |
// RMI-IIOP stream format version 2 case in which we know |
|
210 |
// that there is no more optional data available. If the |
|
211 |
// Serializable's readObject method tries to read anything, |
|
212 |
// we must throw a MARSHAL with the special minor code |
|
213 |
// so that the ValueHandler can give the correct exception |
|
214 |
// to readObject. The state is cleared when the ValueHandler |
|
215 |
// calls end_value after the readObject method exits. |
|
216 |
private boolean specialNoOptionalDataState = false; |
|
217 |
||
218 |
// Template method |
|
219 |
public CDRInputStreamBase dup() |
|
220 |
{ |
|
221 |
CDRInputStreamBase result = null ; |
|
222 |
||
223 |
try { |
|
224 |
result = (CDRInputStreamBase)this.getClass().newInstance(); |
|
225 |
} catch (Exception e) { |
|
226 |
throw wrapper.couldNotDuplicateCdrInputStream( e ) ; |
|
227 |
} |
|
228 |
result.init(this.orb, |
|
229 |
this.bbwi.byteBuffer, |
|
230 |
this.bbwi.buflen, |
|
231 |
this.littleEndian, |
|
232 |
this.bufferManagerRead); |
|
233 |
||
234 |
((CDRInputStream_1_0)result).bbwi.position(this.bbwi.position()); |
|
235 |
// To ensure we keep bbwi.byteBuffer.limit in sync with bbwi.buflen. |
|
236 |
((CDRInputStream_1_0)result).bbwi.byteBuffer.limit(this.bbwi.buflen); |
|
237 |
||
238 |
return result; |
|
239 |
} |
|
240 |
||
241 |
/** |
|
242 |
* NOTE: size passed to init means buffer size |
|
243 |
*/ |
|
244 |
public void init(org.omg.CORBA.ORB orb, |
|
245 |
ByteBuffer byteBuffer, |
|
246 |
int size, |
|
247 |
boolean littleEndian, |
|
248 |
BufferManagerRead bufferManager) |
|
249 |
{ |
|
250 |
this.orb = (ORB)orb; |
|
251 |
this.wrapper = ORBUtilSystemException.get( (ORB)orb, |
|
252 |
CORBALogDomains.RPC_ENCODING ) ; |
|
253 |
this.omgWrapper = OMGSystemException.get( (ORB)orb, |
|
254 |
CORBALogDomains.RPC_ENCODING ) ; |
|
255 |
this.littleEndian = littleEndian; |
|
256 |
this.bufferManagerRead = bufferManager; |
|
257 |
this.bbwi = new ByteBufferWithInfo(orb,byteBuffer,0); |
|
258 |
this.bbwi.buflen = size; |
|
259 |
this.bbwi.byteBuffer.limit(bbwi.buflen); |
|
260 |
this.markAndResetHandler = bufferManagerRead.getMarkAndResetHandler(); |
|
261 |
||
262 |
debug = ((ORB)orb).transportDebugFlag; |
|
263 |
} |
|
264 |
||
265 |
// See description in CDRInputStream |
|
266 |
void performORBVersionSpecificInit() { |
|
267 |
createRepositoryIdHandlers(); |
|
268 |
} |
|
269 |
||
270 |
private final void createRepositoryIdHandlers() |
|
271 |
{ |
|
272 |
repIdUtil = RepositoryIdFactory.getRepIdUtility(orb); |
|
273 |
repIdStrs = RepositoryIdFactory.getRepIdStringsFactory(orb); |
|
274 |
} |
|
275 |
||
276 |
public GIOPVersion getGIOPVersion() { |
|
277 |
return GIOPVersion.V1_0; |
|
278 |
} |
|
279 |
||
280 |
// Called by Request and Reply message. Valid for GIOP versions >= 1.2 only. |
|
281 |
// Illegal for GIOP versions < 1.2. |
|
282 |
void setHeaderPadding(boolean headerPadding) { |
|
283 |
throw wrapper.giopVersionError(); |
|
284 |
} |
|
285 |
||
286 |
protected final int computeAlignment(int index, int align) { |
|
287 |
if (align > 1) { |
|
288 |
int incr = index & (align - 1); |
|
289 |
if (incr != 0) |
|
290 |
return align - incr; |
|
291 |
} |
|
292 |
||
293 |
return 0; |
|
294 |
} |
|
295 |
||
296 |
public int getSize() |
|
297 |
{ |
|
298 |
return bbwi.position(); |
|
299 |
} |
|
300 |
||
301 |
protected void checkBlockLength(int align, int dataSize) { |
|
302 |
// Since chunks can end at arbitrary points (though not within |
|
303 |
// primitive CDR types, arrays of primitives, strings, wstrings, |
|
304 |
// or indirections), |
|
305 |
// we must check here for termination of the current chunk. |
|
306 |
if (!isChunked) |
|
307 |
return; |
|
308 |
||
309 |
// RMI-IIOP stream format version 2 case in which we know |
|
310 |
// that there is no more optional data available. If the |
|
311 |
// Serializable's readObject method tries to read anything, |
|
312 |
// we must throw a MARSHAL exception with the special minor code |
|
313 |
// so that the ValueHandler can give the correct exception |
|
314 |
// to readObject. The state is cleared when the ValueHandler |
|
315 |
// calls end_value after the readObject method exits. |
|
316 |
if (specialNoOptionalDataState) { |
|
317 |
throw omgWrapper.rmiiiopOptionalDataIncompatible1() ; |
|
318 |
} |
|
319 |
||
320 |
boolean checkForEndTag = false; |
|
321 |
||
322 |
// Are we at the end of the current chunk? If so, |
|
323 |
// try to interpret the next long as a chunk length. |
|
324 |
// (It has to be either a chunk length, end tag, |
|
325 |
// or valuetag.) |
|
326 |
// |
|
327 |
// If it isn't a chunk length, blockLength will |
|
328 |
// remain set to maxBlockLength. |
|
329 |
if (blockLength == get_offset()) { |
|
330 |
||
331 |
blockLength = maxBlockLength; |
|
332 |
start_block(); |
|
333 |
||
334 |
// What's next is either a valuetag or |
|
335 |
// an end tag. If it's a valuetag, we're |
|
336 |
// probably being called as part of the process |
|
337 |
// to read the valuetag. If it's an end tag, |
|
338 |
// then there isn't enough data left in |
|
339 |
// this valuetype to read! |
|
340 |
if (blockLength == maxBlockLength) |
|
341 |
checkForEndTag = true; |
|
342 |
||
343 |
} else |
|
344 |
if (blockLength < get_offset()) { |
|
345 |
// Are we already past the end of the current chunk? |
|
346 |
// This is always an error. |
|
347 |
throw wrapper.chunkOverflow() ; |
|
348 |
} |
|
349 |
||
350 |
// If what's next on the wire isn't a chunk length or |
|
351 |
// what we want to read (which can't be split across chunks) |
|
352 |
// won't fit in the current chunk, throw this exception. |
|
353 |
// This probably means that we're in an RMI-IIOP |
|
354 |
// Serializable's readObject method or a custom marshaled |
|
355 |
// IDL type is reading too much/in an incorrect order |
|
356 |
int requiredNumBytes = |
|
357 |
computeAlignment(bbwi.position(), align) + dataSize; |
|
358 |
||
359 |
if (blockLength != maxBlockLength && |
|
360 |
blockLength < get_offset() + requiredNumBytes) { |
|
361 |
throw omgWrapper.rmiiiopOptionalDataIncompatible2() ; |
|
362 |
} |
|
363 |
||
364 |
// REVISIT - We should look at using the built in advancement |
|
365 |
// of using ByteBuffer.get() rather than explicitly |
|
366 |
// advancing the ByteBuffer's position. |
|
367 |
// This is true for anywhere we are incrementing |
|
368 |
// the ByteBuffer's position. |
|
369 |
if (checkForEndTag) { |
|
370 |
int nextLong = read_long(); |
|
371 |
bbwi.position(bbwi.position() - 4); |
|
372 |
||
373 |
// It was an end tag, so there wasn't enough data |
|
374 |
// left in the valuetype's encoding on the wire |
|
375 |
// to read what we wanted |
|
376 |
if (nextLong < 0) |
|
377 |
throw omgWrapper.rmiiiopOptionalDataIncompatible3() ; |
|
378 |
} |
|
379 |
} |
|
380 |
||
381 |
protected void alignAndCheck(int align, int n) { |
|
382 |
||
383 |
checkBlockLength(align, n); |
|
384 |
||
385 |
// WARNING: Must compute real alignment after calling |
|
386 |
// checkBlockLength since it may move the position |
|
387 |
int alignResult = computeAlignment(bbwi.position(), align); |
|
388 |
bbwi.position(bbwi.position() + alignResult); |
|
389 |
||
390 |
if (bbwi.position() + n > bbwi.buflen) |
|
391 |
grow(align, n); |
|
392 |
} |
|
393 |
||
394 |
// |
|
395 |
// This can be overridden.... |
|
396 |
// |
|
397 |
protected void grow(int align, int n) { |
|
398 |
||
399 |
bbwi.needed = n; |
|
400 |
||
401 |
bbwi = bufferManagerRead.underflow(bbwi); |
|
402 |
||
403 |
} |
|
404 |
||
405 |
// |
|
406 |
// Marshal primitives. |
|
407 |
// |
|
408 |
||
409 |
public final void consumeEndian() { |
|
410 |
littleEndian = read_boolean(); |
|
411 |
} |
|
412 |
||
413 |
// No such type in java |
|
414 |
public final double read_longdouble() { |
|
415 |
throw wrapper.longDoubleNotImplemented( CompletionStatus.COMPLETED_MAYBE); |
|
416 |
} |
|
417 |
||
418 |
public final boolean read_boolean() { |
|
419 |
return (read_octet() != 0); |
|
420 |
} |
|
421 |
||
422 |
public final char read_char() { |
|
423 |
alignAndCheck(1, 1); |
|
424 |
||
425 |
return getConvertedChars(1, getCharConverter())[0]; |
|
426 |
} |
|
427 |
||
428 |
public char read_wchar() { |
|
429 |
||
430 |
// Don't allow transmission of wchar/wstring data with |
|
431 |
// foreign ORBs since it's against the spec. |
|
432 |
if (ORBUtility.isForeignORB((ORB)orb)) { |
|
433 |
throw wrapper.wcharDataInGiop10( CompletionStatus.COMPLETED_MAYBE); |
|
434 |
} |
|
435 |
||
436 |
// If we're talking to one of our legacy ORBs, do what |
|
437 |
// they did: |
|
438 |
int b1, b2; |
|
439 |
||
440 |
alignAndCheck(2, 2); |
|
441 |
||
442 |
if (littleEndian) { |
|
443 |
b2 = bbwi.byteBuffer.get(bbwi.position()) & 0x00FF; |
|
444 |
bbwi.position(bbwi.position() + 1); |
|
445 |
b1 = bbwi.byteBuffer.get(bbwi.position()) & 0x00FF; |
|
446 |
bbwi.position(bbwi.position() + 1); |
|
447 |
} else { |
|
448 |
b1 = bbwi.byteBuffer.get(bbwi.position()) & 0x00FF; |
|
449 |
bbwi.position(bbwi.position() + 1); |
|
450 |
b2 = bbwi.byteBuffer.get(bbwi.position()) & 0x00FF; |
|
451 |
bbwi.position(bbwi.position() + 1); |
|
452 |
} |
|
453 |
||
454 |
return (char)((b1 << 8) + (b2 << 0)); |
|
455 |
} |
|
456 |
||
457 |
public final byte read_octet() { |
|
458 |
||
459 |
alignAndCheck(1, 1); |
|
460 |
||
461 |
byte b = bbwi.byteBuffer.get(bbwi.position()); |
|
462 |
bbwi.position(bbwi.position() + 1); |
|
463 |
||
464 |
return b; |
|
465 |
} |
|
466 |
||
467 |
public final short read_short() { |
|
468 |
int b1, b2; |
|
469 |
||
470 |
alignAndCheck(2, 2); |
|
471 |
||
472 |
if (littleEndian) { |
|
473 |
b2 = (bbwi.byteBuffer.get(bbwi.position()) << 0) & 0x000000FF; |
|
474 |
bbwi.position(bbwi.position() + 1); |
|
475 |
b1 = (bbwi.byteBuffer.get(bbwi.position()) << 8) & 0x0000FF00; |
|
476 |
bbwi.position(bbwi.position() + 1); |
|
477 |
} else { |
|
478 |
b1 = (bbwi.byteBuffer.get(bbwi.position()) << 8) & 0x0000FF00; |
|
479 |
bbwi.position(bbwi.position() + 1); |
|
480 |
b2 = (bbwi.byteBuffer.get(bbwi.position()) << 0) & 0x000000FF; |
|
481 |
bbwi.position(bbwi.position() + 1); |
|
482 |
} |
|
483 |
||
484 |
return (short)(b1 | b2); |
|
485 |
} |
|
486 |
||
487 |
public final short read_ushort() { |
|
488 |
return read_short(); |
|
489 |
} |
|
490 |
||
491 |
public final int read_long() { |
|
492 |
int b1, b2, b3, b4; |
|
493 |
||
494 |
alignAndCheck(4, 4); |
|
495 |
||
496 |
int bufPos = bbwi.position(); |
|
497 |
if (littleEndian) { |
|
498 |
b4 = bbwi.byteBuffer.get(bufPos++) & 0xFF; |
|
499 |
b3 = bbwi.byteBuffer.get(bufPos++) & 0xFF; |
|
500 |
b2 = bbwi.byteBuffer.get(bufPos++) & 0xFF; |
|
501 |
b1 = bbwi.byteBuffer.get(bufPos++) & 0xFF; |
|
502 |
} else { |
|
503 |
b1 = bbwi.byteBuffer.get(bufPos++) & 0xFF; |
|
504 |
b2 = bbwi.byteBuffer.get(bufPos++) & 0xFF; |
|
505 |
b3 = bbwi.byteBuffer.get(bufPos++) & 0xFF; |
|
506 |
b4 = bbwi.byteBuffer.get(bufPos++) & 0xFF; |
|
507 |
} |
|
508 |
bbwi.position(bufPos); |
|
509 |
||
510 |
return (b1 << 24) | (b2 << 16) | (b3 << 8) | b4; |
|
511 |
} |
|
512 |
||
513 |
public final int read_ulong() { |
|
514 |
return read_long(); |
|
515 |
} |
|
516 |
||
517 |
public final long read_longlong() { |
|
518 |
long i1, i2; |
|
519 |
||
520 |
alignAndCheck(8, 8); |
|
521 |
||
522 |
if (littleEndian) { |
|
523 |
i2 = read_long() & 0xFFFFFFFFL; |
|
524 |
i1 = (long)read_long() << 32; |
|
525 |
} else { |
|
526 |
i1 = (long)read_long() << 32; |
|
527 |
i2 = read_long() & 0xFFFFFFFFL; |
|
528 |
} |
|
529 |
||
530 |
return (i1 | i2); |
|
531 |
} |
|
532 |
||
533 |
public final long read_ulonglong() { |
|
534 |
return read_longlong(); |
|
535 |
} |
|
536 |
||
537 |
public final float read_float() { |
|
538 |
return Float.intBitsToFloat(read_long()); |
|
539 |
} |
|
540 |
||
541 |
public final double read_double() { |
|
542 |
return Double.longBitsToDouble(read_longlong()); |
|
543 |
} |
|
544 |
||
545 |
protected final void checkForNegativeLength(int length) { |
|
546 |
if (length < 0) |
|
547 |
throw wrapper.negativeStringLength( CompletionStatus.COMPLETED_MAYBE, |
|
548 |
new Integer(length) ) ; |
|
549 |
} |
|
550 |
||
551 |
protected final String readStringOrIndirection(boolean allowIndirection) { |
|
552 |
||
553 |
int len = read_long(); |
|
554 |
||
555 |
// |
|
556 |
// Check for indirection |
|
557 |
// |
|
558 |
if (allowIndirection) { |
|
559 |
if (len == 0xffffffff) |
|
560 |
return null; |
|
561 |
else |
|
562 |
stringIndirection = get_offset() - 4; |
|
563 |
} |
|
564 |
||
565 |
checkForNegativeLength(len); |
|
566 |
||
567 |
if (orb != null && ORBUtility.isLegacyORB((ORB)orb)) |
|
568 |
return legacyReadString(len); |
|
569 |
else |
|
570 |
return internalReadString(len); |
|
571 |
} |
|
572 |
||
573 |
private final String internalReadString(int len) { |
|
574 |
// Workaround for ORBs which send string lengths of |
|
575 |
// zero to mean empty string. |
|
576 |
// |
|
577 |
// IMPORTANT: Do not replace 'new String("")' with "", it may result |
|
578 |
// in a Serialization bug (See serialization.zerolengthstring) and |
|
579 |
// bug id: 4728756 for details |
|
580 |
if (len == 0) |
|
581 |
return new String(""); |
|
582 |
||
583 |
char[] result = getConvertedChars(len - 1, getCharConverter()); |
|
584 |
||
585 |
// Skip over the 1 byte null |
|
586 |
read_octet(); |
|
587 |
||
588 |
return new String(result, 0, getCharConverter().getNumChars()); |
|
589 |
} |
|
590 |
||
591 |
private final String legacyReadString(int len) { |
|
592 |
||
593 |
// |
|
594 |
// Workaround for ORBs which send string lengths of |
|
595 |
// zero to mean empty string. |
|
596 |
// |
|
597 |
// |
|
598 |
// IMPORTANT: Do not replace 'new String("")' with "", it may result |
|
599 |
// in a Serialization bug (See serialization.zerolengthstring) and |
|
600 |
// bug id: 4728756 for details |
|
601 |
if (len == 0) |
|
602 |
return new String(""); |
|
603 |
||
604 |
len--; |
|
605 |
char[] c = new char[len]; |
|
606 |
||
607 |
int n = 0; |
|
608 |
while (n < len) { |
|
609 |
int avail; |
|
610 |
int bytes; |
|
611 |
int wanted; |
|
612 |
||
613 |
avail = bbwi.buflen - bbwi.position(); |
|
614 |
if (avail <= 0) { |
|
615 |
grow(1, 1); |
|
616 |
avail = bbwi.buflen - bbwi.position(); |
|
617 |
} |
|
618 |
wanted = len - n; |
|
619 |
bytes = (wanted < avail) ? wanted : avail; |
|
620 |
// Microbenchmarks are showing a loop of ByteBuffer.get(int) being |
|
621 |
// faster than ByteBuffer.get(byte[], int, int). |
|
622 |
for (int i=0; i<bytes; i++) { |
|
623 |
c[n+i] = (char) (bbwi.byteBuffer.get(bbwi.position()+i) & 0xFF); |
|
624 |
} |
|
625 |
bbwi.position(bbwi.position() + bytes); |
|
626 |
n += bytes; |
|
627 |
} |
|
628 |
||
629 |
// |
|
630 |
// Skip past terminating null byte |
|
631 |
// |
|
632 |
if (bbwi.position() + 1 > bbwi.buflen) |
|
633 |
alignAndCheck(1, 1); |
|
634 |
bbwi.position(bbwi.position() + 1); |
|
635 |
||
636 |
return new String(c); |
|
637 |
} |
|
638 |
||
639 |
public final String read_string() { |
|
640 |
return readStringOrIndirection(false); |
|
641 |
} |
|
642 |
||
643 |
public String read_wstring() { |
|
644 |
// Don't allow transmission of wchar/wstring data with |
|
645 |
// foreign ORBs since it's against the spec. |
|
646 |
if (ORBUtility.isForeignORB((ORB)orb)) { |
|
647 |
throw wrapper.wcharDataInGiop10( CompletionStatus.COMPLETED_MAYBE); |
|
648 |
} |
|
649 |
||
650 |
int len = read_long(); |
|
651 |
||
652 |
// |
|
653 |
// Workaround for ORBs which send string lengths of |
|
654 |
// zero to mean empty string. |
|
655 |
// |
|
656 |
// |
|
657 |
// IMPORTANT: Do not replace 'new String("")' with "", it may result |
|
658 |
// in a Serialization bug (See serialization.zerolengthstring) and |
|
659 |
// bug id: 4728756 for details |
|
660 |
if (len == 0) |
|
661 |
return new String(""); |
|
662 |
||
663 |
checkForNegativeLength(len); |
|
664 |
||
665 |
len--; |
|
666 |
char[] c = new char[len]; |
|
667 |
||
668 |
for (int i = 0; i < len; i++) |
|
669 |
c[i] = read_wchar(); |
|
670 |
||
671 |
// skip the two null terminator bytes |
|
672 |
read_wchar(); |
|
673 |
// bbwi.position(bbwi.position() + 2); |
|
674 |
||
675 |
return new String(c); |
|
676 |
} |
|
677 |
||
678 |
public final void read_octet_array(byte[] b, int offset, int length) { |
|
679 |
if ( b == null ) |
|
680 |
throw wrapper.nullParam() ; |
|
681 |
||
682 |
// Must call alignAndCheck at least once to ensure |
|
683 |
// we aren't at the end of a chunk. Of course, we |
|
684 |
// should only call it if we actually need to read |
|
685 |
// something, otherwise we might end up with an |
|
686 |
// exception at the end of the stream. |
|
687 |
if (length == 0) |
|
688 |
return; |
|
689 |
||
690 |
alignAndCheck(1, 1); |
|
691 |
||
692 |
int n = offset; |
|
693 |
while (n < length+offset) { |
|
694 |
int avail; |
|
695 |
int bytes; |
|
696 |
int wanted; |
|
697 |
||
698 |
avail = bbwi.buflen - bbwi.position(); |
|
699 |
if (avail <= 0) { |
|
700 |
grow(1, 1); |
|
701 |
avail = bbwi.buflen - bbwi.position(); |
|
702 |
} |
|
703 |
wanted = (length + offset) - n; |
|
704 |
bytes = (wanted < avail) ? wanted : avail; |
|
705 |
// Microbenchmarks are showing a loop of ByteBuffer.get(int) being |
|
706 |
// faster than ByteBuffer.get(byte[], int, int). |
|
707 |
for (int i = 0; i < bytes; i++) { |
|
708 |
b[n+i] = bbwi.byteBuffer.get(bbwi.position() + i); |
|
709 |
} |
|
710 |
||
711 |
bbwi.position(bbwi.position() + bytes); |
|
712 |
||
713 |
n += bytes; |
|
714 |
} |
|
715 |
} |
|
716 |
||
717 |
public Principal read_Principal() { |
|
718 |
int len = read_long(); |
|
719 |
byte[] pvalue = new byte[len]; |
|
720 |
read_octet_array(pvalue,0,len); |
|
721 |
||
722 |
Principal p = new PrincipalImpl(); |
|
723 |
p.name(pvalue); |
|
724 |
return p; |
|
725 |
} |
|
726 |
||
727 |
public TypeCode read_TypeCode() { |
|
728 |
TypeCodeImpl tc = new TypeCodeImpl(orb); |
|
729 |
tc.read_value(parent); |
|
730 |
return tc; |
|
731 |
} |
|
732 |
||
733 |
public Any read_any() { |
|
734 |
Any any = orb.create_any(); |
|
735 |
TypeCodeImpl tc = new TypeCodeImpl(orb); |
|
736 |
||
737 |
// read off the typecode |
|
738 |
||
739 |
// REVISIT We could avoid this try-catch if we could peek the typecode |
|
740 |
// kind off this stream and see if it is a tk_value. Looking at the |
|
741 |
// code we know that for tk_value the Any.read_value() below |
|
742 |
// ignores the tc argument anyway (except for the kind field). |
|
743 |
// But still we would need to make sure that the whole typecode, |
|
744 |
// including encapsulations, is read off. |
|
745 |
try { |
|
746 |
tc.read_value(parent); |
|
747 |
} catch (MARSHAL ex) { |
|
748 |
if (tc.kind().value() != TCKind._tk_value) |
|
749 |
throw ex; |
|
750 |
// We can be sure that the whole typecode encapsulation has been |
|
751 |
// read off. |
|
752 |
dprintThrowable(ex); |
|
753 |
} |
|
754 |
// read off the value of the any |
|
755 |
any.read_value(parent, tc); |
|
756 |
||
757 |
return any; |
|
758 |
} |
|
759 |
||
760 |
public org.omg.CORBA.Object read_Object() { |
|
761 |
return read_Object(null); |
|
762 |
} |
|
763 |
||
764 |
// ------------ RMI related methods -------------------------- |
|
765 |
||
766 |
// IDL to Java ptc-00-01-08 1.21.4.1 |
|
767 |
// |
|
768 |
// The clz argument to read_Object can be either a stub |
|
769 |
// Class or the "Class object for the RMI/IDL interface type |
|
770 |
// that is statically expected." |
|
771 |
// This functions as follows: |
|
772 |
// 1. If clz==null, just use the repository ID from the stub |
|
773 |
// 2. If clz is a stub class, just use it as a static factory. |
|
774 |
// clz is a stub class iff StubAdapter.isStubClass( clz ). |
|
775 |
// In addition, clz is a IDL stub class iff |
|
776 |
// IDLEntity.class.isAssignableFrom( clz ). |
|
777 |
// 3. If clz is an interface, use it to create the appropriate |
|
778 |
// stub factory. |
|
779 |
public org.omg.CORBA.Object read_Object(Class clz) |
|
780 |
{ |
|
781 |
// In any case, we must first read the IOR. |
|
782 |
IOR ior = IORFactories.makeIOR(parent) ; |
|
783 |
if (ior.isNil()) |
|
784 |
return null ; |
|
785 |
||
786 |
PresentationManager.StubFactoryFactory sff = ORB.getStubFactoryFactory() ; |
|
787 |
String codeBase = ior.getProfile().getCodebase() ; |
|
788 |
PresentationManager.StubFactory stubFactory = null ; |
|
789 |
||
790 |
if (clz == null) { |
|
791 |
RepositoryId rid = RepositoryId.cache.getId( ior.getTypeId() ) ; |
|
792 |
String className = rid.getClassName() ; |
|
793 |
boolean isIDLInterface = rid.isIDLType() ; |
|
794 |
||
795 |
if (className == null || className.equals( "" )) |
|
796 |
stubFactory = null ; |
|
797 |
else |
|
798 |
try { |
|
799 |
stubFactory = sff.createStubFactory( className, |
|
800 |
isIDLInterface, codeBase, (Class)null, |
|
801 |
(ClassLoader)null ); |
|
802 |
} catch (Exception exc) { |
|
803 |
// Could not create stubFactory, so use null. |
|
804 |
// XXX stubFactory handling is still too complex: |
|
805 |
// Can we resolve the stubFactory question once in |
|
806 |
// a single place? |
|
807 |
stubFactory = null ; |
|
808 |
} |
|
809 |
} else if (StubAdapter.isStubClass( clz )) { |
|
810 |
stubFactory = PresentationDefaults.makeStaticStubFactory( |
|
811 |
clz ) ; |
|
812 |
} else { |
|
813 |
// clz is an interface class |
|
814 |
boolean isIDL = IDLEntity.class.isAssignableFrom( clz ) ; |
|
815 |
||
816 |
stubFactory = sff.createStubFactory( clz.getName(), |
|
817 |
isIDL, codeBase, clz, clz.getClassLoader() ) ; |
|
818 |
} |
|
819 |
||
820 |
return internalIORToObject( ior, stubFactory, orb ) ; |
|
821 |
} |
|
822 |
||
823 |
/* |
|
824 |
* This is used as a general utility (e.g., the PortableInterceptor |
|
825 |
* implementation uses it. If stubFactory is null, the ior's |
|
826 |
* IIOPProfile must support getServant. |
|
827 |
*/ |
|
828 |
public static org.omg.CORBA.Object internalIORToObject( |
|
829 |
IOR ior, PresentationManager.StubFactory stubFactory, ORB orb) |
|
830 |
{ |
|
831 |
ORBUtilSystemException wrapper = ORBUtilSystemException.get( |
|
832 |
(ORB)orb, CORBALogDomains.RPC_ENCODING ) ; |
|
833 |
||
834 |
java.lang.Object servant = ior.getProfile().getServant() ; |
|
835 |
if (servant != null ) { |
|
836 |
if (servant instanceof Tie) { |
|
837 |
String codebase = ior.getProfile().getCodebase(); |
|
838 |
org.omg.CORBA.Object objref = (org.omg.CORBA.Object) |
|
839 |
Utility.loadStub( (Tie)servant, stubFactory, codebase, |
|
840 |
false); |
|
841 |
||
842 |
// If we managed to load a stub, return it, otherwise we |
|
843 |
// must fail... |
|
844 |
if (objref != null) { |
|
845 |
return objref; |
|
846 |
} else { |
|
847 |
throw wrapper.readObjectException() ; |
|
848 |
} |
|
849 |
} else if (servant instanceof org.omg.CORBA.Object) { |
|
850 |
if (!(servant instanceof |
|
851 |
org.omg.CORBA.portable.InvokeHandler)) { |
|
852 |
return (org.omg.CORBA.Object) servant; |
|
853 |
} |
|
854 |
} else |
|
855 |
throw wrapper.badServantReadObject() ; |
|
856 |
} |
|
857 |
||
858 |
CorbaClientDelegate del = ORBUtility.makeClientDelegate( ior ) ; |
|
859 |
org.omg.CORBA.Object objref = null ; |
|
860 |
try { |
|
861 |
objref = stubFactory.makeStub() ; |
|
862 |
} catch (Throwable e) { |
|
863 |
wrapper.stubCreateError( e ) ; |
|
864 |
||
865 |
if (e instanceof ThreadDeath) { |
|
866 |
throw (ThreadDeath) e; |
|
867 |
} |
|
868 |
||
869 |
// Return the "default" stub... |
|
870 |
objref = new CORBAObjectImpl() ; |
|
871 |
} |
|
872 |
||
873 |
StubAdapter.setDelegate( objref, del ) ; |
|
874 |
return objref; |
|
875 |
} |
|
876 |
||
877 |
public java.lang.Object read_abstract_interface() |
|
878 |
{ |
|
879 |
return read_abstract_interface(null); |
|
880 |
} |
|
881 |
||
882 |
public java.lang.Object read_abstract_interface(java.lang.Class clz) |
|
883 |
{ |
|
884 |
boolean object = read_boolean(); |
|
885 |
||
886 |
if (object) { |
|
887 |
return read_Object(clz); |
|
888 |
} else { |
|
889 |
return read_value(); |
|
890 |
} |
|
891 |
} |
|
892 |
||
893 |
public Serializable read_value() |
|
894 |
{ |
|
895 |
return read_value((Class)null); |
|
896 |
} |
|
897 |
||
898 |
private Serializable handleIndirection() { |
|
899 |
int indirection = read_long() + get_offset() - 4; |
|
900 |
if (valueCache != null && valueCache.containsVal(indirection)) { |
|
901 |
||
902 |
java.io.Serializable cachedValue |
|
903 |
= (java.io.Serializable)valueCache.getKey(indirection); |
|
904 |
return cachedValue; |
|
905 |
} else { |
|
906 |
// In RMI-IIOP the ValueHandler will recognize this |
|
907 |
// exception and use the provided indirection value |
|
908 |
// to lookup a possible indirection to an object |
|
909 |
// currently on the deserialization stack. |
|
910 |
throw new IndirectionException(indirection); |
|
911 |
} |
|
912 |
} |
|
913 |
||
914 |
private String readRepositoryIds(int valueTag, |
|
915 |
Class expectedType, |
|
916 |
String expectedTypeRepId) { |
|
917 |
return readRepositoryIds(valueTag, expectedType, |
|
918 |
expectedTypeRepId, null); |
|
919 |
} |
|
920 |
||
921 |
/** |
|
922 |
* Examines the valuetag to see how many (if any) repository IDs |
|
923 |
* are present on the wire. If no repository ID information |
|
924 |
* is on the wire but the expectedType or expectedTypeRepId |
|
925 |
* is known, it will return one of those (favoring the |
|
926 |
* expectedType's repId). Failing that, it uses the supplied |
|
927 |
* BoxedValueHelper to obtain the repository ID, as a last resort. |
|
928 |
*/ |
|
929 |
private String readRepositoryIds(int valueTag, |
|
930 |
Class expectedType, |
|
931 |
String expectedTypeRepId, |
|
932 |
BoxedValueHelper factory) { |
|
933 |
switch(repIdUtil.getTypeInfo(valueTag)) { |
|
934 |
case RepositoryIdUtility.NO_TYPE_INFO : |
|
935 |
// Throw an exception if we have no repository ID info and |
|
936 |
// no expectedType to work with. Otherwise, how would we |
|
937 |
// know what to unmarshal? |
|
938 |
if (expectedType == null) { |
|
939 |
if (expectedTypeRepId != null) { |
|
940 |
return expectedTypeRepId; |
|
941 |
} else if (factory != null) { |
|
942 |
return factory.get_id(); |
|
943 |
} else { |
|
944 |
throw wrapper.expectedTypeNullAndNoRepId( |
|
945 |
CompletionStatus.COMPLETED_MAYBE); |
|
946 |
} |
|
947 |
} |
|
948 |
return repIdStrs.createForAnyType(expectedType); |
|
949 |
case RepositoryIdUtility.SINGLE_REP_TYPE_INFO : |
|
950 |
return read_repositoryId(); |
|
951 |
case RepositoryIdUtility.PARTIAL_LIST_TYPE_INFO : |
|
952 |
return read_repositoryIds(); |
|
953 |
default: |
|
954 |
throw wrapper.badValueTag( CompletionStatus.COMPLETED_MAYBE, |
|
955 |
Integer.toHexString(valueTag) ) ; |
|
956 |
} |
|
957 |
} |
|
958 |
||
959 |
public Serializable read_value(Class expectedType) { |
|
960 |
||
961 |
// Read value tag |
|
962 |
int vType = readValueTag(); |
|
963 |
||
964 |
// Is value null? |
|
965 |
if (vType == 0) |
|
966 |
return null; |
|
967 |
||
968 |
// Is this an indirection to a previously |
|
969 |
// read valuetype? |
|
970 |
if (vType == 0xffffffff) |
|
971 |
return handleIndirection(); |
|
972 |
||
973 |
// Save where this valuetype started so we |
|
974 |
// can put it in the indirection valueCache |
|
975 |
// later |
|
976 |
int indirection = get_offset() - 4; |
|
977 |
||
978 |
// Need to save this special marker variable |
|
979 |
// to restore its value during recursion |
|
980 |
boolean saveIsChunked = isChunked; |
|
981 |
||
982 |
isChunked = repIdUtil.isChunkedEncoding(vType); |
|
983 |
||
984 |
java.lang.Object value = null; |
|
985 |
||
986 |
String codebase_URL = null; |
|
987 |
if (repIdUtil.isCodeBasePresent(vType)) { |
|
988 |
codebase_URL = read_codebase_URL(); |
|
989 |
} |
|
990 |
||
991 |
// Read repository id(s) |
|
992 |
String repositoryIDString |
|
993 |
= readRepositoryIds(vType, expectedType, null); |
|
994 |
||
995 |
// If isChunked was determined to be true based |
|
996 |
// on the valuetag, this will read a chunk length |
|
997 |
start_block(); |
|
998 |
||
999 |
// Remember that end_flag keeps track of all nested |
|
1000 |
// valuetypes and is used for older ORBs |
|
1001 |
end_flag--; |
|
1002 |
if (isChunked) |
|
1003 |
chunkedValueNestingLevel--; |
|
1004 |
||
1005 |
if (repositoryIDString.equals(repIdStrs.getWStringValueRepId())) { |
|
1006 |
value = read_wstring(); |
|
1007 |
} else |
|
1008 |
if (repositoryIDString.equals(repIdStrs.getClassDescValueRepId())) { |
|
1009 |
// read in the class whether with the old ClassDesc or the |
|
1010 |
// new one |
|
1011 |
value = readClass(); |
|
1012 |
} else { |
|
1013 |
||
1014 |
Class valueClass = expectedType; |
|
1015 |
||
1016 |
// By this point, either the expectedType or repositoryIDString |
|
1017 |
// is guaranteed to be non-null. |
|
1018 |
if (expectedType == null || |
|
1019 |
!repositoryIDString.equals(repIdStrs.createForAnyType(expectedType))) { |
|
1020 |
||
1021 |
valueClass = getClassFromString(repositoryIDString, |
|
1022 |
codebase_URL, |
|
1023 |
expectedType); |
|
1024 |
} |
|
1025 |
||
1026 |
if (valueClass == null) { |
|
1027 |
// No point attempting to use value handler below, since the |
|
1028 |
// class information is not available. |
|
1029 |
throw wrapper.couldNotFindClass( |
|
1030 |
CompletionStatus.COMPLETED_MAYBE, |
|
1031 |
new ClassNotFoundException()); |
|
1032 |
} |
|
1033 |
||
1034 |
if (valueClass != null && |
|
1035 |
org.omg.CORBA.portable.IDLEntity.class.isAssignableFrom(valueClass)) { |
|
1036 |
||
1037 |
value = readIDLValue(indirection, |
|
1038 |
repositoryIDString, |
|
1039 |
valueClass, |
|
1040 |
codebase_URL); |
|
1041 |
||
1042 |
} else { |
|
1043 |
||
1044 |
// Must be some form of RMI-IIOP valuetype |
|
1045 |
||
1046 |
try { |
|
1047 |
if (valueHandler == null) |
|
1048 |
valueHandler = ORBUtility.createValueHandler(orb); |
|
1049 |
||
1050 |
value = valueHandler.readValue(parent, |
|
1051 |
indirection, |
|
1052 |
valueClass, |
|
1053 |
repositoryIDString, |
|
1054 |
getCodeBase()); |
|
1055 |
||
1056 |
} catch(SystemException sysEx) { |
|
1057 |
// Just rethrow any CORBA system exceptions |
|
1058 |
// that come out of the ValueHandler |
|
1059 |
throw sysEx; |
|
1060 |
} catch(Exception ex) { |
|
1061 |
throw wrapper.valuehandlerReadException( |
|
1062 |
CompletionStatus.COMPLETED_MAYBE, ex ) ; |
|
1063 |
} catch(Error e) { |
|
1064 |
throw wrapper.valuehandlerReadError( |
|
1065 |
CompletionStatus.COMPLETED_MAYBE, e ) ; |
|
1066 |
} |
|
1067 |
} |
|
1068 |
} |
|
1069 |
||
1070 |
// Skip any remaining chunks until we get to |
|
1071 |
// an end tag or a valuetag. If we see a valuetag, |
|
1072 |
// that means there was another valuetype in the sender's |
|
1073 |
// version of this class that we need to skip over. |
|
1074 |
handleEndOfValue(); |
|
1075 |
||
1076 |
// Read and process the end tag if we're chunking. |
|
1077 |
// Assumes that we're at the position of the end tag |
|
1078 |
// (handleEndOfValue should assure this) |
|
1079 |
readEndTag(); |
|
1080 |
||
1081 |
// Cache the valuetype that we read |
|
1082 |
if (valueCache == null) |
|
1083 |
valueCache = new CacheTable(orb,false); |
|
1084 |
valueCache.put(value, indirection); |
|
1085 |
||
1086 |
// Allow for possible continuation chunk. |
|
1087 |
// If we're a nested valuetype inside of a chunked |
|
1088 |
// valuetype, and that enclosing valuetype has |
|
1089 |
// more data to write, it will need to have this |
|
1090 |
// new chunk begin after we wrote our end tag. |
|
1091 |
isChunked = saveIsChunked; |
|
1092 |
start_block(); |
|
1093 |
||
1094 |
return (java.io.Serializable)value; |
|
1095 |
} |
|
1096 |
||
1097 |
public Serializable read_value(BoxedValueHelper factory) { |
|
1098 |
||
1099 |
// Read value tag |
|
1100 |
int vType = readValueTag(); |
|
1101 |
||
1102 |
if (vType == 0) |
|
1103 |
return null; // value is null |
|
1104 |
else if (vType == 0xffffffff) { // Indirection tag |
|
1105 |
int indirection = read_long() + get_offset() - 4; |
|
1106 |
if (valueCache != null && valueCache.containsVal(indirection)) |
|
1107 |
{ |
|
1108 |
java.io.Serializable cachedValue = |
|
1109 |
(java.io.Serializable)valueCache.getKey(indirection); |
|
1110 |
return cachedValue; |
|
1111 |
} |
|
1112 |
else { |
|
1113 |
throw new IndirectionException(indirection); |
|
1114 |
} |
|
1115 |
} |
|
1116 |
else { |
|
1117 |
int indirection = get_offset() - 4; |
|
1118 |
||
1119 |
// end_block(); |
|
1120 |
||
1121 |
boolean saveIsChunked = isChunked; |
|
1122 |
isChunked = repIdUtil.isChunkedEncoding(vType); |
|
1123 |
||
1124 |
java.lang.Object value = null; |
|
1125 |
||
1126 |
String codebase_URL = null; |
|
1127 |
if (repIdUtil.isCodeBasePresent(vType)){ |
|
1128 |
codebase_URL = read_codebase_URL(); |
|
1129 |
} |
|
1130 |
||
1131 |
// Read repository id |
|
1132 |
String repositoryIDString |
|
1133 |
= readRepositoryIds(vType, null, null, factory); |
|
1134 |
||
1135 |
// Compare rep. ids to see if we should use passed helper |
|
1136 |
if (!repositoryIDString.equals(factory.get_id())) |
|
1137 |
factory = Utility.getHelper(null, codebase_URL, repositoryIDString); |
|
1138 |
||
1139 |
start_block(); |
|
1140 |
end_flag--; |
|
1141 |
if (isChunked) |
|
1142 |
chunkedValueNestingLevel--; |
|
1143 |
||
1144 |
if (factory instanceof ValueHelper) { |
|
1145 |
value = readIDLValueWithHelper((ValueHelper)factory, indirection); |
|
1146 |
} else { |
|
1147 |
valueIndirection = indirection; // for callback |
|
1148 |
value = factory.read_value(parent); |
|
1149 |
} |
|
1150 |
||
1151 |
handleEndOfValue(); |
|
1152 |
readEndTag(); |
|
1153 |
||
1154 |
// Put into valueCache |
|
1155 |
if (valueCache == null) |
|
1156 |
valueCache = new CacheTable(orb,false); |
|
1157 |
valueCache.put(value, indirection); |
|
1158 |
||
1159 |
// allow for possible continuation chunk |
|
1160 |
isChunked = saveIsChunked; |
|
1161 |
start_block(); |
|
1162 |
||
1163 |
return (java.io.Serializable)value; |
|
1164 |
} |
|
1165 |
} |
|
1166 |
||
1167 |
private boolean isCustomType(ValueHelper helper) { |
|
1168 |
try{ |
|
1169 |
TypeCode tc = helper.get_type(); |
|
1170 |
int kind = tc.kind().value(); |
|
1171 |
if (kind == TCKind._tk_value) { |
|
1172 |
return (tc.type_modifier() == org.omg.CORBA.VM_CUSTOM.value); |
|
1173 |
} |
|
1174 |
} catch(BadKind ex) { |
|
1175 |
throw wrapper.badKind(ex) ; |
|
1176 |
} |
|
1177 |
||
1178 |
return false; |
|
1179 |
} |
|
1180 |
||
1181 |
// This method is actually called indirectly by |
|
1182 |
// read_value(String repositoryId). |
|
1183 |
// Therefore, it is not a truly independent read call that handles |
|
1184 |
// header information itself. |
|
1185 |
public java.io.Serializable read_value(java.io.Serializable value) { |
|
1186 |
||
1187 |
// Put into valueCache using valueIndirection |
|
1188 |
if (valueCache == null) |
|
1189 |
valueCache = new CacheTable(orb,false); |
|
1190 |
valueCache.put(value, valueIndirection); |
|
1191 |
||
1192 |
if (value instanceof StreamableValue) |
|
1193 |
((StreamableValue)value)._read(parent); |
|
1194 |
else if (value instanceof CustomValue) |
|
1195 |
((CustomValue)value).unmarshal(parent); |
|
1196 |
||
1197 |
return value; |
|
1198 |
} |
|
1199 |
||
1200 |
public java.io.Serializable read_value(java.lang.String repositoryId) { |
|
1201 |
||
1202 |
// if (inBlock) |
|
1203 |
// end_block(); |
|
1204 |
||
1205 |
// Read value tag |
|
1206 |
int vType = readValueTag(); |
|
1207 |
||
1208 |
if (vType == 0) |
|
1209 |
return null; // value is null |
|
1210 |
else if (vType == 0xffffffff) { // Indirection tag |
|
1211 |
int indirection = read_long() + get_offset() - 4; |
|
1212 |
if (valueCache != null && valueCache.containsVal(indirection)) |
|
1213 |
{ |
|
1214 |
java.io.Serializable cachedValue = |
|
1215 |
(java.io.Serializable)valueCache.getKey(indirection); |
|
1216 |
return cachedValue; |
|
1217 |
} |
|
1218 |
else { |
|
1219 |
throw new IndirectionException(indirection); |
|
1220 |
} |
|
1221 |
} |
|
1222 |
else { |
|
1223 |
int indirection = get_offset() - 4; |
|
1224 |
||
1225 |
// end_block(); |
|
1226 |
||
1227 |
boolean saveIsChunked = isChunked; |
|
1228 |
isChunked = repIdUtil.isChunkedEncoding(vType); |
|
1229 |
||
1230 |
java.lang.Object value = null; |
|
1231 |
||
1232 |
String codebase_URL = null; |
|
1233 |
if (repIdUtil.isCodeBasePresent(vType)){ |
|
1234 |
codebase_URL = read_codebase_URL(); |
|
1235 |
} |
|
1236 |
||
1237 |
// Read repository id |
|
1238 |
String repositoryIDString |
|
1239 |
= readRepositoryIds(vType, null, repositoryId); |
|
1240 |
||
1241 |
ValueFactory factory = |
|
1242 |
Utility.getFactory(null, codebase_URL, orb, repositoryIDString); |
|
1243 |
||
1244 |
start_block(); |
|
1245 |
end_flag--; |
|
1246 |
if (isChunked) |
|
1247 |
chunkedValueNestingLevel--; |
|
1248 |
||
1249 |
valueIndirection = indirection; // for callback |
|
1250 |
value = factory.read_value(parent); |
|
1251 |
||
1252 |
handleEndOfValue(); |
|
1253 |
readEndTag(); |
|
1254 |
||
1255 |
// Put into valueCache |
|
1256 |
if (valueCache == null) |
|
1257 |
valueCache = new CacheTable(orb,false); |
|
1258 |
valueCache.put(value, indirection); |
|
1259 |
||
1260 |
// allow for possible continuation chunk |
|
1261 |
isChunked = saveIsChunked; |
|
1262 |
start_block(); |
|
1263 |
||
1264 |
return (java.io.Serializable)value; |
|
1265 |
} |
|
1266 |
} |
|
1267 |
||
1268 |
private Class readClass() { |
|
1269 |
||
1270 |
String codebases = null, classRepId = null; |
|
1271 |
||
1272 |
if (orb == null || |
|
1273 |
ORBVersionFactory.getFOREIGN().equals(orb.getORBVersion()) || |
|
1274 |
ORBVersionFactory.getNEWER().compareTo(orb.getORBVersion()) <= 0) { |
|
1275 |
||
1276 |
codebases = (String)read_value(java.lang.String.class); |
|
1277 |
classRepId = (String)read_value(java.lang.String.class); |
|
1278 |
} else { |
|
1279 |
// Pre-Merlin/J2EE 1.3 ORBs wrote the repository ID |
|
1280 |
// and codebase strings in the wrong order. |
|
1281 |
classRepId = (String)read_value(java.lang.String.class); |
|
1282 |
codebases = (String)read_value(java.lang.String.class); |
|
1283 |
} |
|
1284 |
||
1285 |
if (debug) { |
|
1286 |
dprint("readClass codebases: " |
|
1287 |
+ codebases |
|
1288 |
+ " rep Id: " |
|
1289 |
+ classRepId); |
|
1290 |
} |
|
1291 |
||
1292 |
Class cl = null; |
|
1293 |
||
1294 |
RepositoryIdInterface repositoryID |
|
1295 |
= repIdStrs.getFromString(classRepId); |
|
1296 |
||
1297 |
try { |
|
1298 |
cl = repositoryID.getClassFromType(codebases); |
|
1299 |
} catch(ClassNotFoundException cnfe) { |
|
1300 |
throw wrapper.cnfeReadClass( CompletionStatus.COMPLETED_MAYBE, |
|
1301 |
cnfe, repositoryID.getClassName() ) ; |
|
1302 |
} catch(MalformedURLException me) { |
|
1303 |
throw wrapper.malformedUrl( CompletionStatus.COMPLETED_MAYBE, |
|
1304 |
me, repositoryID.getClassName(), codebases ) ; |
|
1305 |
} |
|
1306 |
||
1307 |
return cl; |
|
1308 |
} |
|
1309 |
||
1310 |
private java.lang.Object readIDLValueWithHelper(ValueHelper helper, int indirection) |
|
1311 |
{ |
|
1312 |
// look for two-argument static read method |
|
1313 |
Method readMethod; |
|
1314 |
try { |
|
1315 |
Class argTypes[] = {org.omg.CORBA.portable.InputStream.class, helper.get_class()}; |
|
1316 |
readMethod = helper.getClass().getDeclaredMethod(kReadMethod, argTypes); |
|
1317 |
} |
|
1318 |
catch(NoSuchMethodException nsme) { // must be boxed value helper |
|
1319 |
java.lang.Object result = helper.read_value(parent); |
|
1320 |
return result; |
|
1321 |
} |
|
1322 |
||
1323 |
// found two-argument read method, so must be non-boxed value... |
|
1324 |
// ...create a blank instance |
|
1325 |
java.lang.Object val = null; |
|
1326 |
try { |
|
1327 |
val = helper.get_class().newInstance(); |
|
1328 |
} catch(java.lang.InstantiationException ie) { |
|
1329 |
throw wrapper.couldNotInstantiateHelper( ie, |
|
1330 |
helper.get_class() ) ; |
|
1331 |
} catch(IllegalAccessException iae){ |
|
1332 |
// Value's constructor is protected or private |
|
1333 |
// |
|
1334 |
// So, use the helper to read the value. |
|
1335 |
// |
|
1336 |
// NOTE : This means that in this particular case a recursive ref. |
|
1337 |
// would fail. |
|
1338 |
return helper.read_value(parent); |
|
1339 |
} |
|
1340 |
||
1341 |
// add blank instance to cache table |
|
1342 |
if (valueCache == null) |
|
1343 |
valueCache = new CacheTable(orb,false); |
|
1344 |
valueCache.put(val, indirection); |
|
1345 |
||
1346 |
// if custom type, call unmarshal method |
|
1347 |
if (val instanceof CustomMarshal && isCustomType(helper)) { |
|
1348 |
((CustomMarshal)val).unmarshal(parent); |
|
1349 |
return val; |
|
1350 |
} |
|
1351 |
||
1352 |
// call two-argument read method using reflection |
|
1353 |
try { |
|
1354 |
java.lang.Object args[] = {parent, val}; |
|
1355 |
readMethod.invoke(helper, args); |
|
1356 |
return val; |
|
1357 |
} catch(IllegalAccessException iae2) { |
|
1358 |
throw wrapper.couldNotInvokeHelperReadMethod( iae2, helper.get_class() ) ; |
|
1359 |
} catch(InvocationTargetException ite){ |
|
1360 |
throw wrapper.couldNotInvokeHelperReadMethod( ite, helper.get_class() ) ; |
|
1361 |
} |
|
1362 |
} |
|
1363 |
||
1364 |
private java.lang.Object readBoxedIDLEntity(Class clazz, String codebase) |
|
1365 |
{ |
|
1366 |
Class cls = null ; |
|
1367 |
||
1368 |
try { |
|
1369 |
ClassLoader clazzLoader = (clazz == null ? null : clazz.getClassLoader()); |
|
1370 |
||
1371 |
cls = Utility.loadClassForClass(clazz.getName()+"Helper", codebase, |
|
1372 |
clazzLoader, clazz, clazzLoader); |
|
1373 |
final Class helperClass = cls ; |
|
1374 |
||
1375 |
final Class argTypes[] = {org.omg.CORBA.portable.InputStream.class}; |
|
1376 |
||
1377 |
// getDeclaredMethod requires RuntimePermission accessDeclaredMembers |
|
1378 |
// if a different class loader is used (even though the javadoc says otherwise) |
|
1379 |
Method readMethod = null; |
|
1380 |
try { |
|
1381 |
readMethod = (Method)AccessController.doPrivileged( |
|
1382 |
new PrivilegedExceptionAction() { |
|
1383 |
public java.lang.Object run() throws NoSuchMethodException { |
|
1384 |
return helperClass.getDeclaredMethod(kReadMethod, argTypes); |
|
1385 |
} |
|
1386 |
} |
|
1387 |
); |
|
1388 |
} catch (PrivilegedActionException pae) { |
|
1389 |
// this gets caught below |
|
1390 |
throw (NoSuchMethodException)pae.getException(); |
|
1391 |
} |
|
1392 |
||
1393 |
java.lang.Object args[] = {parent}; |
|
1394 |
return readMethod.invoke(null, args); |
|
1395 |
||
1396 |
} catch (ClassNotFoundException cnfe) { |
|
1397 |
throw wrapper.couldNotInvokeHelperReadMethod( cnfe, cls ) ; |
|
1398 |
} catch(NoSuchMethodException nsme) { |
|
1399 |
throw wrapper.couldNotInvokeHelperReadMethod( nsme, cls ) ; |
|
1400 |
} catch(IllegalAccessException iae) { |
|
1401 |
throw wrapper.couldNotInvokeHelperReadMethod( iae, cls ) ; |
|
1402 |
} catch(InvocationTargetException ite) { |
|
1403 |
throw wrapper.couldNotInvokeHelperReadMethod( ite, cls ) ; |
|
1404 |
} |
|
1405 |
} |
|
1406 |
||
1407 |
private java.lang.Object readIDLValue(int indirection, String repId, |
|
1408 |
Class clazz, String codebase) |
|
1409 |
{ |
|
1410 |
ValueFactory factory ; |
|
1411 |
||
1412 |
// Always try to find a ValueFactory first, as required by the spec. |
|
1413 |
// There are some complications here in the IDL 3.0 mapping (see 1.13.8), |
|
1414 |
// but basically we must always be able to override the DefaultFactory |
|
1415 |
// or Helper mappings that are also used. This appears to be the case |
|
1416 |
// even in the boxed value cases. The original code only did the lookup |
|
1417 |
// in the case of class implementing either StreamableValue or CustomValue, |
|
1418 |
// but abstract valuetypes only implement ValueBase, and really require |
|
1419 |
// the use of the repId to find a factory (including the DefaultFactory). |
|
1420 |
try { |
|
1421 |
// use new-style OBV support (factory object) |
|
1422 |
factory = Utility.getFactory(clazz, codebase, orb, repId); |
|
1423 |
} catch (MARSHAL marshal) { |
|
1424 |
// XXX log marshal at one of the INFO levels |
|
1425 |
||
1426 |
// Could not get a factory, so try alternatives |
|
1427 |
if (!StreamableValue.class.isAssignableFrom(clazz) && |
|
1428 |
!CustomValue.class.isAssignableFrom(clazz) && |
|
1429 |
ValueBase.class.isAssignableFrom(clazz)) { |
|
1430 |
// use old-style OBV support (helper object) |
|
1431 |
BoxedValueHelper helper = Utility.getHelper(clazz, codebase, repId); |
|
1432 |
if (helper instanceof ValueHelper) |
|
1433 |
return readIDLValueWithHelper((ValueHelper)helper, indirection); |
|
1434 |
else |
|
1435 |
return helper.read_value(parent); |
|
1436 |
} else { |
|
1437 |
// must be a boxed IDLEntity, so make a reflective call to the |
|
1438 |
// helper's static read method... |
|
1439 |
return readBoxedIDLEntity(clazz, codebase); |
|
1440 |
} |
|
1441 |
} |
|
1442 |
||
1443 |
// If there was no error in getting the factory, use it. |
|
1444 |
valueIndirection = indirection; // for callback |
|
1445 |
return factory.read_value(parent); |
|
1446 |
} |
|
1447 |
||
1448 |
/** |
|
1449 |
* End tags are only written for chunked valuetypes. |
|
1450 |
* |
|
1451 |
* Before Merlin, our ORBs wrote end tags which took into account |
|
1452 |
* all enclosing valuetypes. This was changed by an interop resolution |
|
1453 |
* (see details around chunkedValueNestingLevel) to only include |
|
1454 |
* enclosing chunked types. |
|
1455 |
* |
|
1456 |
* ORB versioning and end tag compaction are handled here. |
|
1457 |
*/ |
|
1458 |
private void readEndTag() { |
|
1459 |
if (isChunked) { |
|
1460 |
||
1461 |
// Read the end tag |
|
1462 |
int anEndTag = read_long(); |
|
1463 |
||
1464 |
// End tags should always be negative, and the outermost |
|
1465 |
// enclosing chunked valuetype should have a -1 end tag. |
|
1466 |
// |
|
1467 |
// handleEndOfValue should have assured that we were |
|
1468 |
// at the end tag position! |
|
1469 |
if (anEndTag >= 0) { |
|
1470 |
throw wrapper.positiveEndTag( CompletionStatus.COMPLETED_MAYBE, |
|
1471 |
new Integer(anEndTag), new Integer( get_offset() - 4 ) ) ; |
|
1472 |
} |
|
1473 |
||
1474 |
// If the ORB is null, or if we're sure we're talking to |
|
1475 |
// a foreign ORB, Merlin, or something more recent, we |
|
1476 |
// use the updated end tag computation, and are more strenuous |
|
1477 |
// about the values. |
|
1478 |
if (orb == null || |
|
1479 |
ORBVersionFactory.getFOREIGN().equals(orb.getORBVersion()) || |
|
1480 |
ORBVersionFactory.getNEWER().compareTo(orb.getORBVersion()) <= 0) { |
|
1481 |
||
1482 |
// If the end tag we read was less than what we were expecting, |
|
1483 |
// then the sender must think it's sent more enclosing |
|
1484 |
// chunked valuetypes than we have. Throw an exception. |
|
1485 |
if (anEndTag < chunkedValueNestingLevel) |
|
1486 |
throw wrapper.unexpectedEnclosingValuetype( |
|
1487 |
CompletionStatus.COMPLETED_MAYBE, new Integer( anEndTag ), |
|
1488 |
new Integer( chunkedValueNestingLevel ) ) ; |
|
1489 |
||
1490 |
// If the end tag is bigger than what we expected, but |
|
1491 |
// still negative, then the sender has done some end tag |
|
1492 |
// compaction. We back up the stream 4 bytes so that the |
|
1493 |
// next time readEndTag is called, it will get down here |
|
1494 |
// again. Even with fragmentation, we'll always be able |
|
1495 |
// to do this. |
|
1496 |
if (anEndTag != chunkedValueNestingLevel) { |
|
1497 |
bbwi.position(bbwi.position() - 4); |
|
1498 |
} |
|
1499 |
||
1500 |
} else { |
|
1501 |
||
1502 |
// When talking to Kestrel or Ladybird, we use our old |
|
1503 |
// end tag rules and are less strict. If the end tag |
|
1504 |
// isn't what we expected, we back up, assuming |
|
1505 |
// compaction. |
|
1506 |
if (anEndTag != end_flag) { |
|
1507 |
bbwi.position(bbwi.position() - 4); |
|
1508 |
} |
|
1509 |
} |
|
1510 |
||
1511 |
// This only keeps track of the enclosing chunked |
|
1512 |
// valuetypes |
|
1513 |
chunkedValueNestingLevel++; |
|
1514 |
} |
|
1515 |
||
1516 |
// This keeps track of all enclosing valuetypes |
|
1517 |
end_flag++; |
|
1518 |
} |
|
1519 |
||
1520 |
protected int get_offset() { |
|
1521 |
return bbwi.position(); |
|
1522 |
} |
|
1523 |
||
1524 |
private void start_block() { |
|
1525 |
||
1526 |
// if (outerValueDone) |
|
1527 |
if (!isChunked) |
|
1528 |
return; |
|
1529 |
||
1530 |
// if called from alignAndCheck, need to reset blockLength |
|
1531 |
// to avoid an infinite recursion loop on read_long() call |
|
1532 |
blockLength = maxBlockLength; |
|
1533 |
||
1534 |
blockLength = read_long(); |
|
1535 |
||
1536 |
// Must remember where we began the chunk to calculate how far |
|
1537 |
// along we are. See notes above about chunkBeginPos. |
|
1538 |
||
1539 |
if (blockLength > 0 && blockLength < maxBlockLength) { |
|
1540 |
blockLength += get_offset(); // _REVISIT_ unsafe, should use a Java long |
|
1541 |
||
1542 |
// inBlock = true; |
|
1543 |
} else { |
|
1544 |
||
1545 |
// System.out.println("start_block snooped a " + Integer.toHexString(blockLength)); |
|
1546 |
||
1547 |
// not a chunk length field |
|
1548 |
blockLength = maxBlockLength; |
|
1549 |
||
1550 |
bbwi.position(bbwi.position() - 4); |
|
1551 |
} |
|
1552 |
} |
|
1553 |
||
1554 |
// Makes sure that if we were reading a chunked value, we end up |
|
1555 |
// at the right place in the stream, no matter how little the |
|
1556 |
// unmarshalling code read. |
|
1557 |
// |
|
1558 |
// After calling this method, if we are chunking, we should be |
|
1559 |
// in position to read the end tag. |
|
1560 |
private void handleEndOfValue() { |
|
1561 |
||
1562 |
// If we're not chunking, we don't have to worry about |
|
1563 |
// skipping remaining chunks or finding end tags |
|
1564 |
if (!isChunked) |
|
1565 |
return; |
|
1566 |
||
1567 |
// Skip any remaining chunks |
|
1568 |
while (blockLength != maxBlockLength) { |
|
1569 |
end_block(); |
|
1570 |
start_block(); |
|
1571 |
} |
|
1572 |
||
1573 |
// Now look for the end tag |
|
1574 |
||
1575 |
// This is a little wasteful since we're reading |
|
1576 |
// this long up to 3 times in the worst cases (once |
|
1577 |
// in start_block, once here, and once in readEndTag |
|
1578 |
// |
|
1579 |
// Peek next long |
|
1580 |
int nextLong = read_long(); |
|
1581 |
bbwi.position(bbwi.position() - 4); |
|
1582 |
||
1583 |
// We did find an end tag, so we're done. readEndTag |
|
1584 |
// should take care of making sure it's the correct |
|
1585 |
// end tag, etc. Remember that since end tags, |
|
1586 |
// chunk lengths, and valuetags have non overlapping |
|
1587 |
// ranges, we can tell by the value what the longs are. |
|
1588 |
if (nextLong < 0) |
|
1589 |
return; |
|
1590 |
||
1591 |
if (nextLong == 0 || nextLong >= maxBlockLength) { |
|
1592 |
||
1593 |
// A custom marshaled valuetype left extra data |
|
1594 |
// on the wire, and that data had another |
|
1595 |
// nested value inside of it. We've just |
|
1596 |
// read the value tag or null of that nested value. |
|
1597 |
// |
|
1598 |
// In an attempt to get by it, we'll try to call |
|
1599 |
// read_value() to get the nested value off of |
|
1600 |
// the wire. Afterwards, we must call handleEndOfValue |
|
1601 |
// recursively to read any further chunks that the containing |
|
1602 |
// valuetype might still have after the nested |
|
1603 |
// value. |
|
1604 |
read_value(); |
|
1605 |
handleEndOfValue(); |
|
1606 |
} else { |
|
1607 |
// This probably means that the code to skip chunks has |
|
1608 |
// an error, and ended up setting blockLength to something |
|
1609 |
// other than maxBlockLength even though we weren't |
|
1610 |
// starting a new chunk. |
|
1611 |
throw wrapper.couldNotSkipBytes( CompletionStatus.COMPLETED_MAYBE, |
|
1612 |
new Integer( nextLong ), new Integer( get_offset() ) ) ; |
|
1613 |
} |
|
1614 |
} |
|
1615 |
||
1616 |
private void end_block() { |
|
1617 |
||
1618 |
// if in a chunk, check for underflow or overflow |
|
1619 |
if (blockLength != maxBlockLength) { |
|
1620 |
if (blockLength == get_offset()) { |
|
1621 |
// Chunk ended correctly |
|
1622 |
blockLength = maxBlockLength; |
|
1623 |
} else { |
|
1624 |
// Skip over anything left by bad unmarshaling code (ex: |
|
1625 |
// a buggy custom unmarshaler). See handleEndOfValue. |
|
1626 |
if (blockLength > get_offset()) { |
|
1627 |
skipToOffset(blockLength); |
|
1628 |
} else { |
|
1629 |
throw wrapper.badChunkLength( new Integer( blockLength ), |
|
1630 |
new Integer( get_offset() ) ) ; |
|
1631 |
} |
|
1632 |
} |
|
1633 |
} |
|
1634 |
} |
|
1635 |
||
1636 |
private int readValueTag(){ |
|
1637 |
// outerValueDone = false; |
|
1638 |
return read_long(); |
|
1639 |
} |
|
1640 |
||
1641 |
public org.omg.CORBA.ORB orb() { |
|
1642 |
return orb; |
|
1643 |
} |
|
1644 |
||
1645 |
// ------------ End RMI related methods -------------------------- |
|
1646 |
||
1647 |
public final void read_boolean_array(boolean[] value, int offset, int length) { |
|
1648 |
for(int i=0; i < length; i++) { |
|
1649 |
value[i+offset] = read_boolean(); |
|
1650 |
} |
|
1651 |
} |
|
1652 |
||
1653 |
public final void read_char_array(char[] value, int offset, int length) { |
|
1654 |
for(int i=0; i < length; i++) { |
|
1655 |
value[i+offset] = read_char(); |
|
1656 |
} |
|
1657 |
} |
|
1658 |
||
1659 |
public final void read_wchar_array(char[] value, int offset, int length) { |
|
1660 |
for(int i=0; i < length; i++) { |
|
1661 |
value[i+offset] = read_wchar(); |
|
1662 |
} |
|
1663 |
} |
|
1664 |
||
1665 |
public final void read_short_array(short[] value, int offset, int length) { |
|
1666 |
for(int i=0; i < length; i++) { |
|
1667 |
value[i+offset] = read_short(); |
|
1668 |
} |
|
1669 |
} |
|
1670 |
||
1671 |
public final void read_ushort_array(short[] value, int offset, int length) { |
|
1672 |
read_short_array(value, offset, length); |
|
1673 |
} |
|
1674 |
||
1675 |
public final void read_long_array(int[] value, int offset, int length) { |
|
1676 |
for(int i=0; i < length; i++) { |
|
1677 |
value[i+offset] = read_long(); |
|
1678 |
} |
|
1679 |
} |
|
1680 |
||
1681 |
public final void read_ulong_array(int[] value, int offset, int length) { |
|
1682 |
read_long_array(value, offset, length); |
|
1683 |
} |
|
1684 |
||
1685 |
public final void read_longlong_array(long[] value, int offset, int length) { |
|
1686 |
for(int i=0; i < length; i++) { |
|
1687 |
value[i+offset] = read_longlong(); |
|
1688 |
} |
|
1689 |
} |
|
1690 |
||
1691 |
public final void read_ulonglong_array(long[] value, int offset, int length) { |
|
1692 |
read_longlong_array(value, offset, length); |
|
1693 |
} |
|
1694 |
||
1695 |
public final void read_float_array(float[] value, int offset, int length) { |
|
1696 |
for(int i=0; i < length; i++) { |
|
1697 |
value[i+offset] = read_float(); |
|
1698 |
} |
|
1699 |
} |
|
1700 |
||
1701 |
public final void read_double_array(double[] value, int offset, int length) { |
|
1702 |
for(int i=0; i < length; i++) { |
|
1703 |
value[i+offset] = read_double(); |
|
1704 |
} |
|
1705 |
} |
|
1706 |
||
1707 |
public final void read_any_array(org.omg.CORBA.Any[] value, int offset, int length) { |
|
1708 |
for(int i=0; i < length; i++) { |
|
1709 |
value[i+offset] = read_any(); |
|
1710 |
} |
|
1711 |
} |
|
1712 |
||
1713 |
//--------------------------------------------------------------------// |
|
1714 |
// CDRInputStream state management. |
|
1715 |
// |
|
1716 |
||
1717 |
/** |
|
1718 |
* Are we at the end of the input stream? |
|
1719 |
*/ |
|
1720 |
// public final boolean isAtEnd() { |
|
1721 |
// return bbwi.position() == bbwi.buflen; |
|
1722 |
// } |
|
1723 |
||
1724 |
// public int available() throws IOException { |
|
1725 |
// return bbwi.buflen - bbwi.position(); |
|
1726 |
// } |
|
1727 |
||
1728 |
private String read_repositoryIds() { |
|
1729 |
||
1730 |
// Read # of repository ids |
|
1731 |
int numRepIds = read_long(); |
|
1732 |
if (numRepIds == 0xffffffff) { |
|
1733 |
int indirection = read_long() + get_offset() - 4; |
|
1734 |
if (repositoryIdCache != null && repositoryIdCache.containsOrderedVal(indirection)) |
|
1735 |
return (String)repositoryIdCache.getKey(indirection); |
|
1736 |
else |
|
1737 |
throw wrapper.unableToLocateRepIdArray( new Integer( indirection ) ) ; |
|
1738 |
} else { |
|
1739 |
||
1740 |
// read first array element and store it as an indirection to the whole array |
|
1741 |
int indirection = get_offset(); |
|
1742 |
String repID = read_repositoryId(); |
|
1743 |
if (repositoryIdCache == null) |
|
1744 |
repositoryIdCache = new CacheTable(orb,false); |
|
1745 |
repositoryIdCache.put(repID, indirection); |
|
1746 |
||
1747 |
// read and ignore the subsequent array elements, but put them in the |
|
1748 |
// indirection table in case there are later indirections back to them |
|
1749 |
for (int i = 1; i < numRepIds; i++) { |
|
1750 |
read_repositoryId(); |
|
1751 |
} |
|
1752 |
||
1753 |
return repID; |
|
1754 |
} |
|
1755 |
} |
|
1756 |
||
1757 |
private final String read_repositoryId() |
|
1758 |
{ |
|
1759 |
String result = readStringOrIndirection(true); |
|
1760 |
||
1761 |
if (result == null) { // Indirection |
|
1762 |
int indirection = read_long() + get_offset() - 4; |
|
1763 |
||
1764 |
if (repositoryIdCache != null && repositoryIdCache.containsOrderedVal(indirection)) |
|
1765 |
return (String)repositoryIdCache.getKey(indirection); |
|
1766 |
else |
|
1767 |
throw wrapper.badRepIdIndirection( CompletionStatus.COMPLETED_MAYBE, |
|
1768 |
new Integer(bbwi.position()) ) ; |
|
1769 |
} else { |
|
1770 |
if (repositoryIdCache == null) |
|
1771 |
repositoryIdCache = new CacheTable(orb,false); |
|
1772 |
repositoryIdCache.put(result, stringIndirection); |
|
1773 |
} |
|
1774 |
||
1775 |
return result ; |
|
1776 |
} |
|
1777 |
||
1778 |
private final String read_codebase_URL() |
|
1779 |
{ |
|
1780 |
String result = readStringOrIndirection(true); |
|
1781 |
||
1782 |
if (result == null) { // Indirection |
|
1783 |
int indirection = read_long() + get_offset() - 4; |
|
1784 |
||
1785 |
if (codebaseCache != null && codebaseCache.containsVal(indirection)) |
|
1786 |
return (String)codebaseCache.getKey(indirection); |
|
1787 |
else |
|
1788 |
throw wrapper.badCodebaseIndirection( |
|
1789 |
CompletionStatus.COMPLETED_MAYBE, |
|
1790 |
new Integer(bbwi.position()) ) ; |
|
1791 |
} else { |
|
1792 |
if (codebaseCache == null) |
|
1793 |
codebaseCache = new CacheTable(orb,false); |
|
1794 |
codebaseCache.put(result, stringIndirection); |
|
1795 |
} |
|
1796 |
||
1797 |
return result; |
|
1798 |
} |
|
1799 |
||
1800 |
/* DataInputStream methods */ |
|
1801 |
||
1802 |
public java.lang.Object read_Abstract () { |
|
1803 |
return read_abstract_interface(); |
|
1804 |
} |
|
1805 |
||
1806 |
public java.io.Serializable read_Value () { |
|
1807 |
return read_value(); |
|
1808 |
} |
|
1809 |
||
1810 |
public void read_any_array (org.omg.CORBA.AnySeqHolder seq, int offset, int length) { |
|
1811 |
read_any_array(seq.value, offset, length); |
|
1812 |
} |
|
1813 |
||
1814 |
public void read_boolean_array (org.omg.CORBA.BooleanSeqHolder seq, int offset, int length) { |
|
1815 |
read_boolean_array(seq.value, offset, length); |
|
1816 |
} |
|
1817 |
||
1818 |
public void read_char_array (org.omg.CORBA.CharSeqHolder seq, int offset, int length) { |
|
1819 |
read_char_array(seq.value, offset, length); |
|
1820 |
} |
|
1821 |
||
1822 |
public void read_wchar_array (org.omg.CORBA.WCharSeqHolder seq, int offset, int length) { |
|
1823 |
read_wchar_array(seq.value, offset, length); |
|
1824 |
} |
|
1825 |
||
1826 |
public void read_octet_array (org.omg.CORBA.OctetSeqHolder seq, int offset, int length) { |
|
1827 |
read_octet_array(seq.value, offset, length); |
|
1828 |
} |
|
1829 |
||
1830 |
public void read_short_array (org.omg.CORBA.ShortSeqHolder seq, int offset, int length) { |
|
1831 |
read_short_array(seq.value, offset, length); |
|
1832 |
} |
|
1833 |
||
1834 |
public void read_ushort_array (org.omg.CORBA.UShortSeqHolder seq, int offset, int length) { |
|
1835 |
read_ushort_array(seq.value, offset, length); |
|
1836 |
} |
|
1837 |
||
1838 |
public void read_long_array (org.omg.CORBA.LongSeqHolder seq, int offset, int length) { |
|
1839 |
read_long_array(seq.value, offset, length); |
|
1840 |
} |
|
1841 |
||
1842 |
public void read_ulong_array (org.omg.CORBA.ULongSeqHolder seq, int offset, int length) { |
|
1843 |
read_ulong_array(seq.value, offset, length); |
|
1844 |
} |
|
1845 |
||
1846 |
public void read_ulonglong_array (org.omg.CORBA.ULongLongSeqHolder seq, int offset, int length) { |
|
1847 |
read_ulonglong_array(seq.value, offset, length); |
|
1848 |
} |
|
1849 |
||
1850 |
public void read_longlong_array (org.omg.CORBA.LongLongSeqHolder seq, int offset, int length) { |
|
1851 |
read_longlong_array(seq.value, offset, length); |
|
1852 |
} |
|
1853 |
||
1854 |
public void read_float_array (org.omg.CORBA.FloatSeqHolder seq, int offset, int length) { |
|
1855 |
read_float_array(seq.value, offset, length); |
|
1856 |
} |
|
1857 |
||
1858 |
public void read_double_array (org.omg.CORBA.DoubleSeqHolder seq, int offset, int length) { |
|
1859 |
read_double_array(seq.value, offset, length); |
|
1860 |
} |
|
1861 |
||
1862 |
public java.math.BigDecimal read_fixed(short digits, short scale) { |
|
1863 |
// digits isn't really needed here |
|
1864 |
StringBuffer buffer = read_fixed_buffer(); |
|
1865 |
if (digits != buffer.length()) |
|
1866 |
throw wrapper.badFixed( new Integer(digits), |
|
1867 |
new Integer(buffer.length()) ) ; |
|
1868 |
buffer.insert(digits - scale, '.'); |
|
1869 |
return new BigDecimal(buffer.toString()); |
|
1870 |
} |
|
1871 |
||
1872 |
// This method is unable to yield the correct scale. |
|
1873 |
public java.math.BigDecimal read_fixed() { |
|
1874 |
return new BigDecimal(read_fixed_buffer().toString()); |
|
1875 |
} |
|
1876 |
||
1877 |
// Each octet contains (up to) two decimal digits. |
|
1878 |
// If the fixed type has an odd number of decimal digits, then the representation |
|
1879 |
// begins with the first (most significant) digit. |
|
1880 |
// Otherwise, this first half-octet is all zero, and the first digit |
|
1881 |
// is in the second half-octet. |
|
1882 |
// The sign configuration, in the last half-octet of the representation, |
|
1883 |
// is 0xD for negative numbers and 0xC for positive and zero values. |
|
1884 |
private StringBuffer read_fixed_buffer() { |
|
1885 |
StringBuffer buffer = new StringBuffer(64); |
|
1886 |
byte doubleDigit; |
|
1887 |
int firstDigit; |
|
1888 |
int secondDigit; |
|
1889 |
boolean wroteFirstDigit = false; |
|
1890 |
boolean more = true; |
|
1891 |
while (more) { |
|
1892 |
doubleDigit = this.read_octet(); |
|
1893 |
firstDigit = (int)((doubleDigit & 0xf0) >> 4); |
|
1894 |
secondDigit = (int)(doubleDigit & 0x0f); |
|
1895 |
if (wroteFirstDigit || firstDigit != 0) { |
|
1896 |
buffer.append(Character.forDigit(firstDigit, 10)); |
|
1897 |
wroteFirstDigit = true; |
|
1898 |
} |
|
1899 |
if (secondDigit == 12) { |
|
1900 |
// positive number or zero |
|
1901 |
if ( ! wroteFirstDigit) { |
|
1902 |
// zero |
|
1903 |
return new StringBuffer("0.0"); |
|
1904 |
} else { |
|
1905 |
// positive number |
|
1906 |
// done |
|
1907 |
} |
|
1908 |
more = false; |
|
1909 |
} else if (secondDigit == 13) { |
|
1910 |
// negative number |
|
1911 |
buffer.insert(0, '-'); |
|
1912 |
more = false; |
|
1913 |
} else { |
|
1914 |
buffer.append(Character.forDigit(secondDigit, 10)); |
|
1915 |
wroteFirstDigit = true; |
|
1916 |
} |
|
1917 |
} |
|
1918 |
return buffer; |
|
1919 |
} |
|
1920 |
||
1921 |
private final static String _id = "IDL:omg.org/CORBA/DataInputStream:1.0"; |
|
1922 |
private final static String[] _ids = { _id }; |
|
1923 |
||
1924 |
public String[] _truncatable_ids() { |
|
1925 |
if (_ids == null) |
|
1926 |
return null; |
|
1927 |
||
1928 |
return (String[])_ids.clone(); |
|
1929 |
} |
|
1930 |
||
1931 |
/* for debugging */ |
|
1932 |
||
1933 |
public void printBuffer() { |
|
1934 |
CDRInputStream_1_0.printBuffer(this.bbwi); |
|
1935 |
} |
|
1936 |
||
1937 |
public static void printBuffer(ByteBufferWithInfo bbwi) { |
|
1938 |
||
1939 |
System.out.println("----- Input Buffer -----"); |
|
1940 |
System.out.println(); |
|
1941 |
System.out.println("Current position: " + bbwi.position()); |
|
1942 |
System.out.println("Total length : " + bbwi.buflen); |
|
1943 |
System.out.println(); |
|
1944 |
||
1945 |
try { |
|
1946 |
||
1947 |
char[] charBuf = new char[16]; |
|
1948 |
||
1949 |
for (int i = 0; i < bbwi.buflen; i += 16) { |
|
1950 |
||
1951 |
int j = 0; |
|
1952 |
||
1953 |
// For every 16 bytes, there is one line |
|
1954 |
// of output. First, the hex output of |
|
1955 |
// the 16 bytes with each byte separated |
|
1956 |
// by a space. |
|
1957 |
while (j < 16 && j + i < bbwi.buflen) { |
|
1958 |
int k = bbwi.byteBuffer.get(i + j); |
|
1959 |
if (k < 0) |
|
1960 |
k = 256 + k; |
|
1961 |
String hex = Integer.toHexString(k); |
|
1962 |
if (hex.length() == 1) |
|
1963 |
hex = "0" + hex; |
|
1964 |
System.out.print(hex + " "); |
|
1965 |
j++; |
|
1966 |
} |
|
1967 |
||
1968 |
// Add any extra spaces to align the |
|
1969 |
// text column in case we didn't end |
|
1970 |
// at 16 |
|
1971 |
while (j < 16) { |
|
1972 |
System.out.print(" "); |
|
1973 |
j++; |
|
1974 |
} |
|
1975 |
||
1976 |
// Now output the ASCII equivalents. Non-ASCII |
|
1977 |
// characters are shown as periods. |
|
1978 |
int x = 0; |
|
1979 |
while (x < 16 && x + i < bbwi.buflen) { |
|
1980 |
if (ORBUtility.isPrintable((char)bbwi.byteBuffer.get(i + x))) |
|
1981 |
charBuf[x] = (char)bbwi.byteBuffer.get(i + x); |
|
1982 |
else |
|
1983 |
charBuf[x] = '.'; |
|
1984 |
x++; |
|
1985 |
} |
|
1986 |
System.out.println(new String(charBuf, 0, x)); |
|
1987 |
} |
|
1988 |
||
1989 |
} catch (Throwable t) { |
|
1990 |
t.printStackTrace(); |
|
1991 |
} |
|
1992 |
||
1993 |
System.out.println("------------------------"); |
|
1994 |
} |
|
1995 |
||
1996 |
public ByteBuffer getByteBuffer() { |
|
1997 |
ByteBuffer result = null; |
|
1998 |
if (bbwi != null) { |
|
1999 |
result = bbwi.byteBuffer; |
|
2000 |
} |
|
2001 |
return result; |
|
2002 |
} |
|
2003 |
||
2004 |
public int getBufferLength() { |
|
2005 |
return bbwi.buflen; |
|
2006 |
} |
|
2007 |
||
2008 |
public void setBufferLength(int value) { |
|
2009 |
bbwi.buflen = value; |
|
2010 |
bbwi.byteBuffer.limit(bbwi.buflen); |
|
2011 |
} |
|
2012 |
||
2013 |
public void setByteBufferWithInfo(ByteBufferWithInfo bbwi) { |
|
2014 |
this.bbwi = bbwi; |
|
2015 |
} |
|
2016 |
||
2017 |
public void setByteBuffer(ByteBuffer byteBuffer) { |
|
2018 |
bbwi.byteBuffer = byteBuffer; |
|
2019 |
} |
|
2020 |
||
2021 |
public int getIndex() { |
|
2022 |
return bbwi.position(); |
|
2023 |
} |
|
2024 |
||
2025 |
public void setIndex(int value) { |
|
2026 |
bbwi.position(value); |
|
2027 |
} |
|
2028 |
||
2029 |
public boolean isLittleEndian() { |
|
2030 |
return littleEndian; |
|
2031 |
} |
|
2032 |
||
2033 |
public void orb(org.omg.CORBA.ORB orb) { |
|
2034 |
this.orb = (ORB)orb; |
|
2035 |
} |
|
2036 |
||
2037 |
public BufferManagerRead getBufferManager() { |
|
2038 |
return bufferManagerRead; |
|
2039 |
} |
|
2040 |
||
2041 |
private void skipToOffset(int offset) { |
|
2042 |
||
2043 |
// Number of bytes to skip |
|
2044 |
int len = offset - get_offset(); |
|
2045 |
||
2046 |
int n = 0; |
|
2047 |
||
2048 |
while (n < len) { |
|
2049 |
int avail; |
|
2050 |
int bytes; |
|
2051 |
int wanted; |
|
2052 |
||
2053 |
avail = bbwi.buflen - bbwi.position(); |
|
2054 |
if (avail <= 0) { |
|
2055 |
grow(1, 1); |
|
2056 |
avail = bbwi.buflen - bbwi.position(); |
|
2057 |
} |
|
2058 |
||
2059 |
wanted = len - n; |
|
2060 |
bytes = (wanted < avail) ? wanted : avail; |
|
2061 |
bbwi.position(bbwi.position() + bytes); |
|
2062 |
n += bytes; |
|
2063 |
} |
|
2064 |
} |
|
2065 |
||
2066 |
||
2067 |
// Mark and reset ------------------------------------------------- |
|
2068 |
||
2069 |
protected MarkAndResetHandler markAndResetHandler = null; |
|
2070 |
||
2071 |
protected class StreamMemento |
|
2072 |
{ |
|
2073 |
// These are the fields that may change after marking |
|
2074 |
// the stream position, so we need to save them. |
|
2075 |
private int blockLength_; |
|
2076 |
private int end_flag_; |
|
2077 |
private int chunkedValueNestingLevel_; |
|
2078 |
private int valueIndirection_; |
|
2079 |
private int stringIndirection_; |
|
2080 |
private boolean isChunked_; |
|
2081 |
private javax.rmi.CORBA.ValueHandler valueHandler_; |
|
2082 |
private ByteBufferWithInfo bbwi_; |
|
2083 |
private boolean specialNoOptionalDataState_; |
|
2084 |
||
2085 |
public StreamMemento() |
|
2086 |
{ |
|
2087 |
blockLength_ = blockLength; |
|
2088 |
end_flag_ = end_flag; |
|
2089 |
chunkedValueNestingLevel_ = chunkedValueNestingLevel; |
|
2090 |
valueIndirection_ = valueIndirection; |
|
2091 |
stringIndirection_ = stringIndirection; |
|
2092 |
isChunked_ = isChunked; |
|
2093 |
valueHandler_ = valueHandler; |
|
2094 |
specialNoOptionalDataState_ = specialNoOptionalDataState; |
|
2095 |
bbwi_ = new ByteBufferWithInfo(bbwi); |
|
2096 |
} |
|
2097 |
} |
|
2098 |
||
2099 |
public java.lang.Object createStreamMemento() { |
|
2100 |
return new StreamMemento(); |
|
2101 |
} |
|
2102 |
||
2103 |
public void restoreInternalState(java.lang.Object streamMemento) { |
|
2104 |
||
2105 |
StreamMemento mem = (StreamMemento)streamMemento; |
|
2106 |
||
2107 |
blockLength = mem.blockLength_; |
|
2108 |
end_flag = mem.end_flag_; |
|
2109 |
chunkedValueNestingLevel = mem.chunkedValueNestingLevel_; |
|
2110 |
valueIndirection = mem.valueIndirection_; |
|
2111 |
stringIndirection = mem.stringIndirection_; |
|
2112 |
isChunked = mem.isChunked_; |
|
2113 |
valueHandler = mem.valueHandler_; |
|
2114 |
specialNoOptionalDataState = mem.specialNoOptionalDataState_; |
|
2115 |
bbwi = mem.bbwi_; |
|
2116 |
} |
|
2117 |
||
2118 |
public int getPosition() { |
|
2119 |
return get_offset(); |
|
2120 |
} |
|
2121 |
||
2122 |
public void mark(int readlimit) { |
|
2123 |
markAndResetHandler.mark(this); |
|
2124 |
} |
|
2125 |
||
2126 |
public void reset() { |
|
2127 |
markAndResetHandler.reset(); |
|
2128 |
} |
|
2129 |
||
2130 |
// ---------------------------------- end Mark and Reset |
|
2131 |
||
2132 |
// Provides a hook so subclasses of CDRInputStream can provide |
|
2133 |
// a CodeBase. This ultimately allows us to grab a Connection |
|
2134 |
// instance in IIOPInputStream, the only subclass where this |
|
2135 |
// is actually used. |
|
2136 |
CodeBase getCodeBase() { |
|
2137 |
return parent.getCodeBase(); |
|
2138 |
} |
|
2139 |
||
2140 |
/** |
|
2141 |
* Attempts to find the class described by the given |
|
2142 |
* repository ID string and expected type. The first |
|
2143 |
* attempt is to find the class locally, falling back |
|
2144 |
* on the URL that came with the value. The second |
|
2145 |
* attempt is to use a URL from the remote CodeBase. |
|
2146 |
*/ |
|
2147 |
private Class getClassFromString(String repositoryIDString, |
|
2148 |
String codebaseURL, |
|
2149 |
Class expectedType) |
|
2150 |
{ |
|
2151 |
RepositoryIdInterface repositoryID |
|
2152 |
= repIdStrs.getFromString(repositoryIDString); |
|
2153 |
||
2154 |
try { |
|
2155 |
try { |
|
2156 |
// First try to load the class locally, then use |
|
2157 |
// the provided URL (if it isn't null) |
|
2158 |
return repositoryID.getClassFromType(expectedType, |
|
2159 |
codebaseURL); |
|
2160 |
} catch (ClassNotFoundException cnfeOuter) { |
|
2161 |
||
2162 |
try { |
|
2163 |
||
2164 |
if (getCodeBase() == null) { |
|
2165 |
return null; // class cannot be loaded remotely. |
|
2166 |
} |
|
2167 |
||
2168 |
// Get a URL from the remote CodeBase and retry |
|
2169 |
codebaseURL = getCodeBase().implementation(repositoryIDString); |
|
2170 |
||
2171 |
// Don't bother trying to find it locally again if |
|
2172 |
// we got a null URL |
|
2173 |
if (codebaseURL == null) |
|
2174 |
return null; |
|
2175 |
||
2176 |
return repositoryID.getClassFromType(expectedType, |
|
2177 |
codebaseURL); |
|
2178 |
} catch (ClassNotFoundException cnfeInner) { |
|
2179 |
dprintThrowable(cnfeInner); |
|
2180 |
// Failed to load the class |
|
2181 |
return null; |
|
2182 |
} |
|
2183 |
} |
|
2184 |
} catch (MalformedURLException mue) { |
|
2185 |
// Always report a bad URL |
|
2186 |
throw wrapper.malformedUrl( CompletionStatus.COMPLETED_MAYBE, |
|
2187 |
mue, repositoryIDString, codebaseURL ) ; |
|
2188 |
} |
|
2189 |
} |
|
2190 |
||
2191 |
/** |
|
2192 |
* Attempts to find the class described by the given |
|
2193 |
* repository ID string. At most, three attempts are made: |
|
2194 |
* Try to find it locally, through the provided URL, and |
|
2195 |
* finally, via a URL from the remote CodeBase. |
|
2196 |
*/ |
|
2197 |
private Class getClassFromString(String repositoryIDString, |
|
2198 |
String codebaseURL) |
|
2199 |
{ |
|
2200 |
RepositoryIdInterface repositoryID |
|
2201 |
= repIdStrs.getFromString(repositoryIDString); |
|
2202 |
||
2203 |
for (int i = 0; i < 3; i++) { |
|
2204 |
||
2205 |
try { |
|
2206 |
||
2207 |
switch (i) |
|
2208 |
{ |
|
2209 |
case 0: |
|
2210 |
// First try to load the class locally |
|
2211 |
return repositoryID.getClassFromType(); |
|
2212 |
case 1: |
|
2213 |
// Try to load the class using the provided |
|
2214 |
// codebase URL (falls out below) |
|
2215 |
break; |
|
2216 |
case 2: |
|
2217 |
// Try to load the class using a URL from the |
|
2218 |
// remote CodeBase |
|
2219 |
codebaseURL = getCodeBase().implementation(repositoryIDString); |
|
2220 |
break; |
|
2221 |
} |
|
2222 |
||
2223 |
// Don't bother if the codebaseURL is null |
|
2224 |
if (codebaseURL == null) |
|
2225 |
continue; |
|
2226 |
||
2227 |
return repositoryID.getClassFromType(codebaseURL); |
|
2228 |
||
2229 |
} catch(ClassNotFoundException cnfe) { |
|
2230 |
// Will ultimately return null if all three |
|
2231 |
// attempts fail, but don't do anything here. |
|
2232 |
} catch (MalformedURLException mue) { |
|
2233 |
throw wrapper.malformedUrl( CompletionStatus.COMPLETED_MAYBE, |
|
2234 |
mue, repositoryIDString, codebaseURL ) ; |
|
2235 |
} |
|
2236 |
} |
|
2237 |
||
2238 |
// If we get here, we have failed to load the class |
|
2239 |
dprint("getClassFromString failed with rep id " |
|
2240 |
+ repositoryIDString |
|
2241 |
+ " and codebase " |
|
2242 |
+ codebaseURL); |
|
2243 |
||
2244 |
return null; |
|
2245 |
} |
|
2246 |
||
2247 |
// Utility method used to get chars from bytes |
|
2248 |
char[] getConvertedChars(int numBytes, |
|
2249 |
CodeSetConversion.BTCConverter converter) { |
|
2250 |
||
2251 |
// REVISIT - Look at CodeSetConversion.BTCConverter to see |
|
2252 |
// if it can work with an NIO ByteBuffer. We should |
|
2253 |
// avoid getting the bytes into an array if possible. |
|
2254 |
||
2255 |
// To be honest, I doubt this saves much real time |
|
2256 |
if (bbwi.buflen - bbwi.position() >= numBytes) { |
|
2257 |
// If the entire string is in this buffer, |
|
2258 |
// just convert directly from the bbwi rather than |
|
2259 |
// allocating and copying. |
|
2260 |
byte[] tmpBuf; |
|
2261 |
if (bbwi.byteBuffer.hasArray()) |
|
2262 |
{ |
|
2263 |
tmpBuf = bbwi.byteBuffer.array(); |
|
2264 |
} |
|
2265 |
else |
|
2266 |
{ |
|
2267 |
tmpBuf = new byte[bbwi.buflen]; |
|
2268 |
// Microbenchmarks are showing a loop of ByteBuffer.get(int) |
|
2269 |
// being faster than ByteBuffer.get(byte[], int, int). |
|
2270 |
for (int i = 0; i < bbwi.buflen; i++) |
|
2271 |
tmpBuf[i] = bbwi.byteBuffer.get(i); |
|
2272 |
} |
|
2273 |
char[] result = converter.getChars(tmpBuf,bbwi.position(),numBytes); |
|
2274 |
||
2275 |
bbwi.position(bbwi.position() + numBytes); |
|
2276 |
return result; |
|
2277 |
} else { |
|
2278 |
// Stretches across buffers. Unless we provide an |
|
2279 |
// incremental conversion interface, allocate and |
|
2280 |
// copy the bytes. |
|
2281 |
byte[] bytes = new byte[numBytes]; |
|
2282 |
read_octet_array(bytes, 0, bytes.length); |
|
2283 |
||
2284 |
return converter.getChars(bytes, 0, numBytes); |
|
2285 |
} |
|
2286 |
} |
|
2287 |
||
2288 |
protected CodeSetConversion.BTCConverter getCharConverter() { |
|
2289 |
if (charConverter == null) |
|
2290 |
charConverter = parent.createCharBTCConverter(); |
|
2291 |
||
2292 |
return charConverter; |
|
2293 |
} |
|
2294 |
||
2295 |
protected CodeSetConversion.BTCConverter getWCharConverter() { |
|
2296 |
if (wcharConverter == null) |
|
2297 |
wcharConverter = parent.createWCharBTCConverter(); |
|
2298 |
||
2299 |
return wcharConverter; |
|
2300 |
} |
|
2301 |
||
2302 |
protected void dprintThrowable(Throwable t) { |
|
2303 |
if (debug && t != null) |
|
2304 |
t.printStackTrace(); |
|
2305 |
} |
|
2306 |
||
2307 |
protected void dprint(String msg) { |
|
2308 |
if (debug) { |
|
2309 |
ORBUtility.dprint(this, msg); |
|
2310 |
} |
|
2311 |
} |
|
2312 |
||
2313 |
/** |
|
2314 |
* Aligns the current position on the given octet boundary |
|
2315 |
* if there are enough bytes available to do so. Otherwise, |
|
2316 |
* it just returns. This is used for some (but not all) |
|
2317 |
* GIOP 1.2 message headers. |
|
2318 |
*/ |
|
2319 |
||
2320 |
void alignOnBoundary(int octetBoundary) { |
|
2321 |
int needed = computeAlignment(bbwi.position(), octetBoundary); |
|
2322 |
||
2323 |
if (bbwi.position() + needed <= bbwi.buflen) |
|
2324 |
{ |
|
2325 |
bbwi.position(bbwi.position() + needed); |
|
2326 |
} |
|
2327 |
} |
|
2328 |
||
2329 |
public void resetCodeSetConverters() { |
|
2330 |
charConverter = null; |
|
2331 |
wcharConverter = null; |
|
2332 |
} |
|
2333 |
||
2334 |
public void start_value() { |
|
2335 |
// Read value tag |
|
2336 |
int vType = readValueTag(); |
|
2337 |
||
2338 |
if (vType == 0) { |
|
2339 |
// Stream needs to go into a state where it |
|
2340 |
// throws standard exception until end_value |
|
2341 |
// is called. This means the sender didn't |
|
2342 |
// send any custom data. If the reader here |
|
2343 |
// tries to read more, we need to throw an |
|
2344 |
// exception before reading beyond where |
|
2345 |
// we're supposed to |
|
2346 |
specialNoOptionalDataState = true; |
|
2347 |
||
2348 |
return; |
|
2349 |
} |
|
2350 |
||
2351 |
if (vType == 0xffffffff) { |
|
2352 |
// One should never indirect to a custom wrapper |
|
2353 |
throw wrapper.customWrapperIndirection( |
|
2354 |
CompletionStatus.COMPLETED_MAYBE); |
|
2355 |
} |
|
2356 |
||
2357 |
if (repIdUtil.isCodeBasePresent(vType)) { |
|
2358 |
throw wrapper.customWrapperWithCodebase( |
|
2359 |
CompletionStatus.COMPLETED_MAYBE); |
|
2360 |
} |
|
2361 |
||
2362 |
if (repIdUtil.getTypeInfo(vType) |
|
2363 |
!= RepositoryIdUtility.SINGLE_REP_TYPE_INFO) { |
|
2364 |
throw wrapper.customWrapperNotSingleRepid( |
|
2365 |
CompletionStatus.COMPLETED_MAYBE); |
|
2366 |
} |
|
2367 |
||
2368 |
||
2369 |
// REVISIT - Could verify repository ID even though |
|
2370 |
// it isn't used elsewhere |
|
2371 |
read_repositoryId(); |
|
2372 |
||
2373 |
// Note: isChunked should be true here. Should have |
|
2374 |
// been set to true in the containing value's read_value |
|
2375 |
// method. |
|
2376 |
||
2377 |
start_block(); |
|
2378 |
end_flag--; |
|
2379 |
chunkedValueNestingLevel--; |
|
2380 |
} |
|
2381 |
||
2382 |
public void end_value() { |
|
2383 |
||
2384 |
if (specialNoOptionalDataState) { |
|
2385 |
specialNoOptionalDataState = false; |
|
2386 |
return; |
|
2387 |
} |
|
2388 |
||
2389 |
handleEndOfValue(); |
|
2390 |
readEndTag(); |
|
2391 |
||
2392 |
// Note that isChunked should still be true here. |
|
2393 |
// If the containing valuetype is the highest |
|
2394 |
// chunked value, it will get set to false |
|
2395 |
// at the end of read_value. |
|
2396 |
||
2397 |
// allow for possible continuation chunk |
|
2398 |
start_block(); |
|
2399 |
} |
|
2400 |
||
2401 |
public void close() throws IOException |
|
2402 |
{ |
|
2403 |
||
2404 |
// tell BufferManagerRead to release any ByteBuffers |
|
2405 |
getBufferManager().close(bbwi); |
|
2406 |
||
2407 |
// It's possible bbwi.byteBuffer is shared between |
|
2408 |
// this InputStream and an OutputStream. Thus, we check |
|
2409 |
// if the Input/Output streams are using the same ByteBuffer. |
|
2410 |
// If they sharing the same ByteBuffer we need to ensure only |
|
2411 |
// one of those ByteBuffers are released to the ByteBufferPool. |
|
2412 |
||
2413 |
if (bbwi != null && getByteBuffer() != null) |
|
2414 |
{ |
|
2415 |
MessageMediator messageMediator = parent.getMessageMediator(); |
|
2416 |
if (messageMediator != null) |
|
2417 |
{ |
|
2418 |
CDROutputObject outputObj = |
|
2419 |
(CDROutputObject)messageMediator.getOutputObject(); |
|
2420 |
if (outputObj != null) |
|
2421 |
{ |
|
11044
758078ec0816
7091388: Regular unexplained npe's from corba libs after system has been running for days
coffeys
parents:
5555
diff
changeset
|
2422 |
if (outputObj.isSharing(getByteBuffer())) |
4 | 2423 |
{ |
11044
758078ec0816
7091388: Regular unexplained npe's from corba libs after system has been running for days
coffeys
parents:
5555
diff
changeset
|
2424 |
// Set OutputStream's ByteBuffer and bbwi to null |
758078ec0816
7091388: Regular unexplained npe's from corba libs after system has been running for days
coffeys
parents:
5555
diff
changeset
|
2425 |
// so its ByteBuffer cannot be released to the pool |
758078ec0816
7091388: Regular unexplained npe's from corba libs after system has been running for days
coffeys
parents:
5555
diff
changeset
|
2426 |
outputObj.setByteBuffer(null); |
758078ec0816
7091388: Regular unexplained npe's from corba libs after system has been running for days
coffeys
parents:
5555
diff
changeset
|
2427 |
outputObj.setByteBufferWithInfo(null); |
4 | 2428 |
} |
2429 |
} |
|
2430 |
} |
|
2431 |
||
2432 |
// release this stream's ByteBuffer to the pool |
|
2433 |
ByteBufferPool byteBufferPool = orb.getByteBufferPool(); |
|
2434 |
if (debug) |
|
2435 |
{ |
|
2436 |
// print address of ByteBuffer being released |
|
2437 |
int bbAddress = System.identityHashCode(bbwi.byteBuffer); |
|
2438 |
StringBuffer sb = new StringBuffer(80); |
|
2439 |
sb.append(".close - releasing ByteBuffer id ("); |
|
2440 |
sb.append(bbAddress).append(") to ByteBufferPool."); |
|
2441 |
String msg = sb.toString(); |
|
2442 |
dprint(msg); |
|
2443 |
} |
|
2444 |
byteBufferPool.releaseByteBuffer(bbwi.byteBuffer); |
|
2445 |
bbwi.byteBuffer = null; |
|
2446 |
bbwi = null; |
|
2447 |
} |
|
2448 |
} |
|
2449 |
} |