-
Notifications
You must be signed in to change notification settings - Fork 33
/
DestinationUID.java
484 lines (429 loc) · 16.9 KB
/
DestinationUID.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
/*
* Copyright (c) 2000, 2017 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020 Payara Services Ltd.
* Copyright (c) 2021, 2022 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.messaging.jmq.jmsserver.core;
import com.sun.messaging.jmq.util.DestType;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.util.lists.WeakValueHashMap;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
import com.sun.messaging.jmq.jmsserver.Globals;
import java.util.Collections;
import java.util.Map;
import java.util.regex.*;
import java.io.IOException;
public class DestinationUID extends StringUID {
static final long serialVersionUID = 3047167637056417589L;
private static Map<String, DestinationUID> topics = Collections.synchronizedMap(new WeakValueHashMap<>("DestinationUID_topics"));
private static Map<String, DestinationUID> queues = Collections.synchronizedMap(new WeakValueHashMap<>("DestinationUID_queues"));
private boolean isQueue = false;
private String name = null;
private transient Pattern regExPattern = null;
private static String localQueue = Globals.getBrokerResources().getString(BrokerResources.M_QUEUE);
private static String localTopic = Globals.getBrokerResources().getString(BrokerResources.M_TOPIC);
public static void clearCache() {
queues.clear();
topics.clear();
}
protected DestinationUID(String name, boolean queue) throws BrokerException {
super(getUniqueString(name, queue));
this.name = name;
this.isQueue = queue;
if (isWildcard(this.name)) {
if (isQueue) {
throw new BrokerException("Wildcards are not supported for queues", Status.UNSUPPORTED_TYPE);
}
String regEx = createRegExString(name);
regExPattern = Pattern.compile(regEx);
}
}
public DestinationUID(String str) throws BrokerException {
super(str);
name = getName(str);
isQueue = getIsQueue(str);
if (isWildcard(this.name)) {
if (isQueue) {
throw new BrokerException("Wildcards are not supported for queues", Status.UNSUPPORTED_TYPE);
}
String regEx = createRegExString(name);
regExPattern = Pattern.compile(regEx);
}
}
/**
* handles transient data when class is deserialized
*/
private void readObject(java.io.ObjectInputStream ois) throws IOException, ClassNotFoundException {
ois.defaultReadObject();
if (isWildcard(this.name)) {
try {
if (isQueue) {
throw new BrokerException("Wildcards are not supported for queues", Status.UNSUPPORTED_TYPE);
}
String regEx = createRegExString(name);
regExPattern = Pattern.compile(regEx);
} catch (BrokerException ex) {
// nothing we can do
Globals.getLogger().logStack(Logger.ERROR, ex.getMessage(), ex);
}
}
}
public String getDestType() {
if (isQueue) {
return localQueue;
}
return localTopic;
}
public String getLocalizedName() {
return Globals.getBrokerResources().getString(BrokerResources.M_DESTINATION, name, getDestType());
}
private String getName(String str) {
return str.substring(2);
}
private boolean getIsQueue(String str) {
return str.charAt(0) == 'Q';
}
public static boolean isWildcard(String str) {
return str.contains("*") || str.contains(">");
}
public static String createRegExString(String str) throws BrokerException {
// ^ needs to start line
// $ needs to end line unless >
// . needs to be backslashed
// * replaced with [\w]+ // NOTE: not UTF-8
// * replaced with "[\\p{L},\\p{Lu},\\p{Digit}]+
// > replaced with [\S]*
// ** replaced with [\S]*
//
// As far as validation:
// there should be . before/after *
// there should be . before and nothing after >
// line should never start or end in .
// there should never be two . in a line
boolean dot = false; // for validation
boolean toEndMatch = false;
StringBuilder buffer = new StringBuilder(str.length() * 2);
buffer.append('^');
for (int i = 0; i < str.length(); i++) {
char c = str.charAt(i);
switch (c) {
case '*':
boolean doubleAsterisk = false;
if (i != 0 && !dot) {
throw new BrokerException(str + "-Wildcard should be surrounded by .", Status.NOT_ACCEPTABLE);
}
if (i != (str.length() - 1)) {
// see if we have a following asterisk
if (str.charAt(i + 1) == '*') {
doubleAsterisk = true;
i++;
}
// make sure dot or wildcard is next
if ((i != (str.length() - 1)) && str.charAt(i + 1) != '.' && str.charAt(i + 1) != '>') {
throw new BrokerException(str + "-Wildcard should be surrounded by .", Status.NOT_ACCEPTABLE);
}
}
if (doubleAsterisk) {
buffer.append("[\\S]+");
} else {
// buffer.append("[\\w]+");
// buffer.append("[\\p{L},\\p{Lu},_,\\o44,\\p{Digit}]+");
buffer.append("[\\p{L}\\p{Lu}\\x24\\x5f\\p{Digit}]+");
}
dot = false;
break;
case '$':
// substitute hex value
buffer.append("\\x24");
break;
case '>':
if (dot) {
throw new BrokerException(str + "-Wildcard should never be preceded by .", Status.NOT_ACCEPTABLE);
}
toEndMatch = true;
// ok, if the previous character was a wildcard, add a dot
if (i > 0 && str.charAt(i - 1) == '*') {
buffer.append("\\.[\\S]*");
} else {
buffer.append("(\\.|$|^)[\\S]*");
}
dot = false;
break;
case '.':
if (i == 0) { // dot at begining
throw new BrokerException(str + "-Bad wildcard, name starts with .", Status.NOT_ACCEPTABLE);
}
if (i == (str.length() - 1)) {
throw new BrokerException(str + "-Bad wildcard, name ends with .", Status.NOT_ACCEPTABLE);
}
if (dot) {
throw new BrokerException(str + "-Bad wildcard, name was ..", Status.NOT_ACCEPTABLE);
}
dot = true;
buffer.append("\\.");
break;
default:
dot = false;
buffer.append(c);
}
}
if (!toEndMatch) {
buffer.append('$');
}
return buffer.toString();
}
public String getName() {
return name;
}
public boolean isQueue() {
return isQueue;
}
public static DestinationUID getUID(String name, int type) throws BrokerException {
return getUID(name, DestType.isQueue(type));
}
public boolean isWildcard() {
return regExPattern != null;
}
/** @throws IllegalArgumentException */
public static boolean match(DestinationUID u1, DestinationUID u2) {
// ok, there are two possible choices:
// 1 has a wildcard
// neither has a wildcard
//
// if both have a wildcard, something is wrong.
if (u1.regExPattern != null && u2.regExPattern != null) {
throw new IllegalArgumentException("Can not compare two wildcards: " + u1 + " -> " + u2);
}
if (u1.regExPattern == null && u2.regExPattern == null) {
return u1.equals(u2);
}
if (u1.isQueue() != u2.isQueue()) {
return false;
}
Pattern p = u1.regExPattern;
String str = u2.getName();
if (p == null) {
str = u1.getName();
p = u2.regExPattern;
}
Matcher m = p.matcher(str);
return m.matches();
}
public static DestinationUID getUID(String name, boolean isQueue) throws BrokerException {
DestinationUID duid = null;
if (isQueue) {
duid = queues.get(name);
if (duid == null) {
duid = new DestinationUID(name, isQueue);
queues.put(name, duid);
}
} else {
duid = topics.get(name);
if (duid == null) {
duid = new DestinationUID(name, isQueue);
topics.put(name, duid);
}
}
return duid;
}
public static void clearUID(DestinationUID uid) {
if (uid.isQueue()) {
queues.remove(uid.getName());
} else {
topics.remove(uid.getName());
}
}
public String getLongString() {
if (isQueue) {
return "queue:" + name;
}
return "topic:" + name;
}
public static String getUniqueString(String name, boolean isQueue) {
StringBuilder buf = new StringBuilder();
if (isQueue) {
buf.append("Q:");
} else {
buf.append("T:");
}
buf.append(name);
if (buf.indexOf("/") != -1) {
for (int i = 0; i < buf.length(); i++) {
char c = buf.charAt(i);
if (c == '/') {
buf.setCharAt(i, '_');
}
}
}
return buf.toString();
}
public static void main(String args[]) {
try {
// try $ string
try {
String regex1 = createRegExString("stock.*");
System.out.println("Checking: stock.* : " + regex1);
Pattern regExPattern = Pattern.compile(regex1);
Matcher m = regExPattern.matcher("stock.my$bank");
if (m.matches()) {
System.out.println("Matched(1) : stock.my$bank");
} else {
System.out.println("Bummer(1) : stock.my$bank");
}
regex1 = createRegExString("*.my$bank");
System.out.println("Checking: *.my$bank : " + regex1);
regExPattern = Pattern.compile(regex1);
m = regExPattern.matcher("stock.my$bank");
if (m.matches()) {
System.out.println("Matched(2) : stock.my$bank");
} else {
System.out.println("Bummer(2) : stock.my$bank");
}
System.exit(0);
} catch (BrokerException ex) {
ex.printStackTrace();
System.exit(-1);
}
// check various wildcard expressions
// valid syntax
try {
System.out.println("Checking: sun.*.com :" + createRegExString("sun.*.com"));
} catch (BrokerException ex) {
ex.printStackTrace();
System.exit(-1);
}
try {
System.out.println("Checking: sun.*.com>:" + createRegExString("sun.*.com>"));
} catch (BrokerException ex) {
ex.printStackTrace();
System.exit(-1);
}
try {
System.out.println("Checking: sun>:" + createRegExString("sun>"));
} catch (BrokerException ex) {
ex.printStackTrace();
System.exit(-1);
}
try {
System.out.println("Checking: sun.**.bar:" + createRegExString("sun.**.bar"));
} catch (BrokerException ex) {
ex.printStackTrace();
System.exit(-1);
}
// invalid syntax
try {
System.out.println("Checking: sun..*:" + createRegExString("sun..*"));
System.out.println("Match sun..* was valid");
System.exit(-1);
} catch (BrokerException ex) {
System.out.println(ex);
}
try {
System.out.println("Checking: sun.>.com:" + createRegExString("sun.>.com"));
System.out.println("Match sun.>.com was valid");
System.exit(-1);
} catch (BrokerException ex) {
System.out.println(ex);
}
try {
System.out.println("Checking: sun.>:" + createRegExString("sun.>"));
System.out.println("Match sun.> was valid");
System.exit(-1);
} catch (BrokerException ex) {
System.out.println(ex);
}
try {
System.out.println("Checking: sun.*.com.:" + createRegExString("sun.*.com."));
System.out.println("Match sun.*.com. was valid");
System.exit(-1);
} catch (BrokerException ex) {
System.out.println(ex);
}
System.out.println("Testing sun> format");
String regex = createRegExString("sun>");
Pattern regExPattern = Pattern.compile(regex);
Matcher m = regExPattern.matcher("sun");
boolean match = m.matches();
if (!match) {
System.out.println("bummer: " + regex + " : sun");
} else {
System.out.println("Cool " + regex + " matches sun");
}
m = regExPattern.matcher("sun.com");
match = m.matches();
if (!match) {
System.out.println("bummer: " + regex + " : sun.com");
} else {
System.out.println("Cool " + regex + " matches sun.com");
}
m = regExPattern.matcher("suncom");
match = m.matches();
if (match) {
System.out.println("bummer: " + regex + " : suncom");
} else {
System.out.println("Cool " + regex + " doesnt match suncom");
}
regex = createRegExString("sun.*.com>");
regExPattern = Pattern.compile(regex);
m = regExPattern.matcher("sun.ibm.com");
match = m.matches();
if (!match) {
System.out.println("bummer: " + regex + " : sun.ibm.com");
} else {
System.out.println("Cool " + regex + " matches sun.ibm.com");
}
regex = createRegExString(">");
regExPattern = Pattern.compile(regex);
m = regExPattern.matcher("sun");
match = m.matches();
if (!match) {
System.out.println("bummer: " + regex + " : sun");
} else {
System.out.println("Cool " + regex + " matches sun");
}
regex = createRegExString("**>");
regExPattern = Pattern.compile(regex);
m = regExPattern.matcher("sun");
match = m.matches();
if (match) {
System.out.println("bummer: " + regex + " : sun");
} else {
System.out.println("Cool " + regex + " does not match sun");
}
regex = createRegExString("**>");
regExPattern = Pattern.compile(regex);
m = regExPattern.matcher("sun.com");
match = m.matches();
if (!match) {
System.out.println("bummer: " + regex + " : sun.com");
} else {
System.out.println("Cool " + regex + " matches sun.com");
}
regex = createRegExString("finance>stock");
regExPattern = Pattern.compile(regex);
m = regExPattern.matcher("finance.stock");
match = m.matches();
if (!match) {
System.out.println("bummer: " + regex + " : finance.stock");
} else {
System.out.println("Cool " + regex + " matches finance.stock");
}
} catch (BrokerException ex1) {
ex1.printStackTrace();
}
}
}