1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
package org.mule.util; |
12 | |
|
13 | |
import org.mule.routing.filters.WildcardFilter; |
14 | |
|
15 | |
import java.io.BufferedReader; |
16 | |
import java.io.CharArrayReader; |
17 | |
import java.io.IOException; |
18 | |
import java.io.Reader; |
19 | |
import java.lang.reflect.Constructor; |
20 | |
import java.lang.reflect.InvocationTargetException; |
21 | |
import java.lang.reflect.Method; |
22 | |
import java.lang.reflect.Modifier; |
23 | |
import java.net.URL; |
24 | |
import java.net.URLClassLoader; |
25 | |
import java.security.AccessController; |
26 | |
import java.security.CodeSource; |
27 | |
import java.security.PrivilegedAction; |
28 | |
import java.util.ArrayList; |
29 | |
import java.util.Collection; |
30 | |
import java.util.Collections; |
31 | |
import java.util.Enumeration; |
32 | |
import java.util.HashMap; |
33 | |
import java.util.HashSet; |
34 | |
import java.util.Iterator; |
35 | |
import java.util.List; |
36 | |
import java.util.Map; |
37 | |
import java.util.Set; |
38 | |
|
39 | |
|
40 | |
|
41 | |
|
42 | |
|
43 | |
|
44 | |
|
45 | |
|
46 | |
|
47 | 0 | public class ClassUtils extends org.apache.commons.lang.ClassUtils |
48 | |
{ |
49 | 0 | public static final Object[] NO_ARGS = new Object[]{}; |
50 | 0 | public static final Class<?>[] NO_ARGS_TYPE = new Class<?>[]{}; |
51 | |
|
52 | 0 | private static final Map<Class<?>, Class<?>> wrapperToPrimitiveMap = new HashMap<Class<?>, Class<?>>(); |
53 | 0 | private static final Map<String, Class<?>> primitiveTypeNameMap = new HashMap<String, Class<?>>(32); |
54 | |
|
55 | |
static |
56 | |
{ |
57 | 0 | wrapperToPrimitiveMap.put(Boolean.class, Boolean.TYPE); |
58 | 0 | wrapperToPrimitiveMap.put(Byte.class, Byte.TYPE); |
59 | 0 | wrapperToPrimitiveMap.put(Character.class, Character.TYPE); |
60 | 0 | wrapperToPrimitiveMap.put(Short.class, Short.TYPE); |
61 | 0 | wrapperToPrimitiveMap.put(Integer.class, Integer.TYPE); |
62 | 0 | wrapperToPrimitiveMap.put(Long.class, Long.TYPE); |
63 | 0 | wrapperToPrimitiveMap.put(Double.class, Double.TYPE); |
64 | 0 | wrapperToPrimitiveMap.put(Float.class, Float.TYPE); |
65 | 0 | wrapperToPrimitiveMap.put(Void.TYPE, Void.TYPE); |
66 | |
|
67 | 0 | Set<Class<?>> primitiveTypes = new HashSet<Class<?>>(32); |
68 | 0 | primitiveTypes.addAll(wrapperToPrimitiveMap.values()); |
69 | 0 | for (Class<?> primitiveType : primitiveTypes) |
70 | |
{ |
71 | 0 | primitiveTypeNameMap.put(primitiveType.getName(), primitiveType); |
72 | |
} |
73 | 0 | } |
74 | |
|
75 | |
public static boolean isConcrete(Class<?> clazz) |
76 | |
{ |
77 | 0 | if (clazz == null) |
78 | |
{ |
79 | 0 | throw new IllegalArgumentException("clazz may not be null"); |
80 | |
} |
81 | 0 | return !(clazz.isInterface() || Modifier.isAbstract(clazz.getModifiers())); |
82 | |
} |
83 | |
|
84 | |
|
85 | |
|
86 | |
|
87 | |
|
88 | |
|
89 | |
|
90 | |
|
91 | |
|
92 | |
|
93 | |
|
94 | |
|
95 | |
|
96 | |
|
97 | |
|
98 | |
|
99 | |
|
100 | |
public static URL getResource(final String resourceName, final Class<?> callingClass) |
101 | |
{ |
102 | 0 | URL url = AccessController.doPrivileged(new PrivilegedAction<URL>() |
103 | 0 | { |
104 | |
public URL run() |
105 | |
{ |
106 | 0 | final ClassLoader cl = Thread.currentThread().getContextClassLoader(); |
107 | 0 | return cl != null ? cl.getResource(resourceName) : null; |
108 | |
} |
109 | |
}); |
110 | |
|
111 | 0 | if (url == null) |
112 | |
{ |
113 | 0 | url = AccessController.doPrivileged(new PrivilegedAction<URL>() |
114 | 0 | { |
115 | |
public URL run() |
116 | |
{ |
117 | 0 | return ClassUtils.class.getClassLoader().getResource(resourceName); |
118 | |
} |
119 | |
}); |
120 | |
} |
121 | |
|
122 | 0 | if (url == null) |
123 | |
{ |
124 | 0 | url = AccessController.doPrivileged(new PrivilegedAction<URL>() |
125 | 0 | { |
126 | |
public URL run() |
127 | |
{ |
128 | 0 | return callingClass.getClassLoader().getResource(resourceName); |
129 | |
} |
130 | |
}); |
131 | |
} |
132 | |
|
133 | 0 | return url; |
134 | |
} |
135 | |
|
136 | |
public static Enumeration<URL> getResources(final String resourceName, final Class<?> callingClass) |
137 | |
{ |
138 | 0 | Enumeration<URL> enumeration = AccessController.doPrivileged(new PrivilegedAction<Enumeration<URL>>() |
139 | 0 | { |
140 | |
public Enumeration<URL> run() |
141 | |
{ |
142 | |
try |
143 | |
{ |
144 | 0 | final ClassLoader cl = Thread.currentThread().getContextClassLoader(); |
145 | 0 | return cl != null ? cl.getResources(resourceName) : null; |
146 | |
} |
147 | 0 | catch (IOException e) |
148 | |
{ |
149 | 0 | return null; |
150 | |
} |
151 | |
} |
152 | |
}); |
153 | |
|
154 | 0 | if (enumeration == null) |
155 | |
{ |
156 | 0 | enumeration = AccessController.doPrivileged(new PrivilegedAction<Enumeration<URL>>() |
157 | 0 | { |
158 | |
public Enumeration<URL> run() |
159 | |
{ |
160 | |
try |
161 | |
{ |
162 | 0 | return ClassUtils.class.getClassLoader().getResources(resourceName); |
163 | |
} |
164 | 0 | catch (IOException e) |
165 | |
{ |
166 | 0 | return null; |
167 | |
} |
168 | |
} |
169 | |
}); |
170 | |
} |
171 | |
|
172 | 0 | if (enumeration == null) |
173 | |
{ |
174 | 0 | enumeration = AccessController.doPrivileged(new PrivilegedAction<Enumeration<URL>>() |
175 | 0 | { |
176 | |
public Enumeration<URL> run() |
177 | |
{ |
178 | |
try |
179 | |
{ |
180 | 0 | return callingClass.getClassLoader().getResources(resourceName); |
181 | |
} |
182 | 0 | catch (IOException e) |
183 | |
{ |
184 | 0 | return null; |
185 | |
} |
186 | |
} |
187 | |
}); |
188 | |
} |
189 | |
|
190 | 0 | return enumeration; |
191 | |
} |
192 | |
|
193 | |
|
194 | |
|
195 | |
|
196 | |
|
197 | |
|
198 | |
|
199 | |
|
200 | |
|
201 | |
|
202 | |
|
203 | |
|
204 | |
|
205 | |
|
206 | |
|
207 | |
|
208 | |
|
209 | |
|
210 | |
public static Class loadClass(final String className, final Class<?> callingClass) throws ClassNotFoundException |
211 | |
{ |
212 | 0 | return loadClass(className, callingClass, Object.class); |
213 | |
} |
214 | |
|
215 | |
|
216 | |
|
217 | |
|
218 | |
|
219 | |
|
220 | |
|
221 | |
|
222 | |
|
223 | |
|
224 | |
|
225 | |
|
226 | |
|
227 | |
|
228 | |
|
229 | |
|
230 | |
|
231 | |
|
232 | |
public static <T extends Class> T loadClass(final String className, final Class<?> callingClass, T type) throws ClassNotFoundException |
233 | |
{ |
234 | 0 | if (className.length() <= 8) |
235 | |
{ |
236 | |
|
237 | 0 | if (primitiveTypeNameMap.containsKey(className)) |
238 | |
{ |
239 | 0 | return (T) primitiveTypeNameMap.get(className); |
240 | |
} |
241 | |
} |
242 | |
|
243 | 0 | Class<?> clazz = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() |
244 | 0 | { |
245 | |
public Class<?> run() |
246 | |
{ |
247 | |
try |
248 | |
{ |
249 | 0 | final ClassLoader cl = Thread.currentThread().getContextClassLoader(); |
250 | 0 | return cl != null ? cl.loadClass(className) : null; |
251 | |
|
252 | |
} |
253 | 0 | catch (ClassNotFoundException e) |
254 | |
{ |
255 | 0 | return null; |
256 | |
} |
257 | |
} |
258 | |
}); |
259 | |
|
260 | 0 | if (clazz == null) |
261 | |
{ |
262 | 0 | clazz = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() |
263 | 0 | { |
264 | |
public Class<?> run() |
265 | |
{ |
266 | |
try |
267 | |
{ |
268 | 0 | return Class.forName(className); |
269 | |
} |
270 | 0 | catch (ClassNotFoundException e) |
271 | |
{ |
272 | 0 | return null; |
273 | |
} |
274 | |
} |
275 | |
}); |
276 | |
} |
277 | |
|
278 | 0 | if (clazz == null) |
279 | |
{ |
280 | 0 | clazz = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() |
281 | 0 | { |
282 | |
public Class<?> run() |
283 | |
{ |
284 | |
try |
285 | |
{ |
286 | 0 | return ClassUtils.class.getClassLoader().loadClass(className); |
287 | |
} |
288 | 0 | catch (ClassNotFoundException e) |
289 | |
{ |
290 | 0 | return null; |
291 | |
} |
292 | |
} |
293 | |
}); |
294 | |
} |
295 | |
|
296 | 0 | if (clazz == null) |
297 | |
{ |
298 | 0 | clazz = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() |
299 | 0 | { |
300 | |
public Class<?> run() |
301 | |
{ |
302 | |
try |
303 | |
{ |
304 | 0 | return callingClass.getClassLoader().loadClass(className); |
305 | |
} |
306 | 0 | catch (ClassNotFoundException e) |
307 | |
{ |
308 | 0 | return null; |
309 | |
} |
310 | |
} |
311 | |
}); |
312 | |
} |
313 | |
|
314 | 0 | if (clazz == null) |
315 | |
{ |
316 | 0 | throw new ClassNotFoundException(className); |
317 | |
} |
318 | |
|
319 | 0 | if(type.isAssignableFrom(clazz)) |
320 | |
{ |
321 | 0 | return (T)clazz; |
322 | |
} |
323 | |
else |
324 | |
{ |
325 | 0 | throw new IllegalArgumentException(String.format("Loaded class '%s' is not assignable from type '%s'", clazz.getName(), type.getName())); |
326 | |
} |
327 | |
} |
328 | |
|
329 | |
|
330 | |
|
331 | |
|
332 | |
|
333 | |
|
334 | |
|
335 | |
|
336 | |
|
337 | |
public static Class loadClass(final String className, final ClassLoader classLoader) |
338 | |
throws ClassNotFoundException |
339 | |
{ |
340 | 0 | return classLoader.loadClass(className); |
341 | |
} |
342 | |
|
343 | |
|
344 | |
|
345 | |
|
346 | |
|
347 | |
|
348 | |
|
349 | |
|
350 | |
|
351 | |
|
352 | |
public static Class<?> initializeClass(Class<?> clazz) |
353 | |
{ |
354 | |
try |
355 | |
{ |
356 | 0 | return getClass(clazz.getName(), true); |
357 | |
} |
358 | 0 | catch (ClassNotFoundException e) |
359 | |
{ |
360 | 0 | IllegalStateException ise = new IllegalStateException(); |
361 | 0 | ise.initCause(e); |
362 | 0 | throw ise; |
363 | |
} |
364 | |
} |
365 | |
|
366 | |
public static <T> T instanciateClass(Class<? extends T> clazz, Object... constructorArgs) |
367 | |
throws SecurityException, NoSuchMethodException, IllegalArgumentException, InstantiationException, |
368 | |
IllegalAccessException, InvocationTargetException |
369 | |
{ |
370 | |
Class<?>[] args; |
371 | 0 | if (constructorArgs != null) |
372 | |
{ |
373 | 0 | args = new Class[constructorArgs.length]; |
374 | 0 | for (int i = 0; i < constructorArgs.length; i++) |
375 | |
{ |
376 | 0 | if (constructorArgs[i] == null) |
377 | |
{ |
378 | 0 | args[i] = null; |
379 | |
} |
380 | |
else |
381 | |
{ |
382 | 0 | args[i] = constructorArgs[i].getClass(); |
383 | |
} |
384 | |
} |
385 | |
} |
386 | |
else |
387 | |
{ |
388 | 0 | args = new Class[0]; |
389 | |
} |
390 | |
|
391 | |
|
392 | |
|
393 | 0 | Constructor<?> ctor = getConstructor(clazz, args); |
394 | |
|
395 | 0 | if (ctor == null) |
396 | |
{ |
397 | |
|
398 | 0 | ctor = getConstructor(clazz, wrappersToPrimitives(args)); |
399 | |
} |
400 | |
|
401 | 0 | if (ctor == null) |
402 | |
{ |
403 | 0 | StringBuffer argsString = new StringBuffer(100); |
404 | 0 | for (Class<?> arg : args) |
405 | |
{ |
406 | 0 | argsString.append(arg.getName()).append(", "); |
407 | |
} |
408 | 0 | throw new NoSuchMethodException("could not find constructor on class: " + clazz + ", with matching arg params: " |
409 | |
+ argsString); |
410 | |
} |
411 | |
|
412 | 0 | return (T)ctor.newInstance(constructorArgs); |
413 | |
} |
414 | |
|
415 | |
public static Object instanciateClass(String name, Object... constructorArgs) |
416 | |
throws ClassNotFoundException, SecurityException, NoSuchMethodException, IllegalArgumentException, |
417 | |
InstantiationException, IllegalAccessException, InvocationTargetException |
418 | |
{ |
419 | 0 | return instanciateClass(name, constructorArgs, (ClassLoader) null); |
420 | |
} |
421 | |
|
422 | |
public static Object instanciateClass(String name, Object[] constructorArgs, Class<?> callingClass) |
423 | |
throws ClassNotFoundException, SecurityException, NoSuchMethodException, IllegalArgumentException, |
424 | |
InstantiationException, IllegalAccessException, InvocationTargetException |
425 | |
{ |
426 | 0 | Class<?> clazz = loadClass(name, callingClass); |
427 | 0 | return instanciateClass(clazz, constructorArgs); |
428 | |
} |
429 | |
|
430 | |
public static Object instanciateClass(String name, Object[] constructorArgs, ClassLoader classLoader) |
431 | |
throws ClassNotFoundException, SecurityException, NoSuchMethodException, IllegalArgumentException, |
432 | |
InstantiationException, IllegalAccessException, InvocationTargetException |
433 | |
{ |
434 | |
Class<?> clazz; |
435 | 0 | if (classLoader != null) |
436 | |
{ |
437 | 0 | clazz = loadClass(name, classLoader); |
438 | |
} |
439 | |
else |
440 | |
{ |
441 | 0 | clazz = loadClass(name, ClassUtils.class); |
442 | |
} |
443 | 0 | if (clazz == null) |
444 | |
{ |
445 | 0 | throw new ClassNotFoundException(name); |
446 | |
} |
447 | 0 | return instanciateClass(clazz, constructorArgs); |
448 | |
} |
449 | |
|
450 | |
public static Class<?>[] getParameterTypes(Object bean, String methodName) |
451 | |
{ |
452 | 0 | if (!methodName.startsWith("set")) |
453 | |
{ |
454 | 0 | methodName = "set" + methodName.substring(0, 1).toUpperCase() + methodName.substring(1); |
455 | |
} |
456 | |
|
457 | 0 | Method methods[] = bean.getClass().getMethods(); |
458 | |
|
459 | 0 | for (int i = 0; i < methods.length; i++) |
460 | |
{ |
461 | 0 | if (methods[i].getName().equals(methodName)) |
462 | |
{ |
463 | 0 | return methods[i].getParameterTypes(); |
464 | |
} |
465 | |
} |
466 | |
|
467 | 0 | return new Class[]{}; |
468 | |
} |
469 | |
|
470 | |
|
471 | |
|
472 | |
|
473 | |
|
474 | |
|
475 | |
|
476 | |
|
477 | |
|
478 | |
|
479 | |
|
480 | |
public static Method getMethod(Class<?> clazz, String name, Class<?>[] parameterTypes) |
481 | |
{ |
482 | 0 | Method[] methods = clazz.getMethods(); |
483 | 0 | for (int i = 0; i < methods.length; i++) |
484 | |
{ |
485 | 0 | if (methods[i].getName().equals(name)) |
486 | |
{ |
487 | 0 | if (parameterTypes == null) |
488 | |
{ |
489 | 0 | return methods[i]; |
490 | |
} |
491 | 0 | else if (compare(methods[i].getParameterTypes(), parameterTypes, true)) |
492 | |
{ |
493 | 0 | return methods[i]; |
494 | |
} |
495 | |
} |
496 | |
} |
497 | 0 | return null; |
498 | |
} |
499 | |
|
500 | |
public static Constructor getConstructor(Class clazz, Class[] paramTypes) |
501 | |
{ |
502 | 0 | return getConstructor(clazz, paramTypes, false); |
503 | |
} |
504 | |
|
505 | |
|
506 | |
|
507 | |
|
508 | |
|
509 | |
|
510 | |
|
511 | |
|
512 | |
|
513 | |
public static Constructor getConstructor(Class clazz, Class[] paramTypes, boolean exactMatch) |
514 | |
{ |
515 | 0 | Constructor[] ctors = clazz.getConstructors(); |
516 | 0 | for (int i = 0; i < ctors.length; i++) |
517 | |
{ |
518 | 0 | Class[] types = ctors[i].getParameterTypes(); |
519 | 0 | if (types.length == paramTypes.length) |
520 | |
{ |
521 | 0 | int matchCount = 0; |
522 | 0 | for (int x = 0; x < types.length; x++) |
523 | |
{ |
524 | 0 | if (paramTypes[x] == null) |
525 | |
{ |
526 | 0 | matchCount++; |
527 | |
} |
528 | |
else |
529 | |
{ |
530 | 0 | if (exactMatch) |
531 | |
{ |
532 | 0 | if (paramTypes[x].equals(types[x]) || types[x].equals(paramTypes[x])) |
533 | |
{ |
534 | 0 | matchCount++; |
535 | |
} |
536 | |
} |
537 | |
else |
538 | |
{ |
539 | 0 | if (paramTypes[x].isAssignableFrom(types[x]) |
540 | |
|| types[x].isAssignableFrom(paramTypes[x])) |
541 | |
{ |
542 | 0 | matchCount++; |
543 | |
} |
544 | |
} |
545 | |
} |
546 | |
} |
547 | 0 | if (matchCount == types.length) |
548 | |
{ |
549 | 0 | return ctors[i]; |
550 | |
} |
551 | |
} |
552 | |
} |
553 | 0 | return null; |
554 | |
} |
555 | |
|
556 | |
|
557 | |
|
558 | |
|
559 | |
|
560 | |
|
561 | |
|
562 | |
|
563 | |
|
564 | |
|
565 | |
|
566 | |
|
567 | |
|
568 | |
|
569 | |
|
570 | |
public static List<Method> getSatisfiableMethods(Class<?> implementation, |
571 | |
Class<?>[] parameterTypes, |
572 | |
boolean voidOk, |
573 | |
boolean matchOnObject, |
574 | |
Set<String> ignoredMethodNames) |
575 | |
{ |
576 | 0 | return getSatisfiableMethods(implementation, parameterTypes, voidOk, matchOnObject, ignoredMethodNames, null); |
577 | |
} |
578 | |
|
579 | |
|
580 | |
|
581 | |
|
582 | |
|
583 | |
|
584 | |
|
585 | |
|
586 | |
|
587 | |
|
588 | |
|
589 | |
|
590 | |
|
591 | |
|
592 | |
|
593 | |
|
594 | |
public static List<Method> getSatisfiableMethods(Class<?> implementation, |
595 | |
Class<?>[] parameterTypes, |
596 | |
boolean voidOk, |
597 | |
boolean matchOnObject, |
598 | |
Collection<String> ignoredMethodNames, |
599 | |
WildcardFilter filter) |
600 | |
{ |
601 | 0 | List<Method> result = new ArrayList<Method>(); |
602 | |
|
603 | 0 | if (ignoredMethodNames == null) |
604 | |
{ |
605 | 0 | ignoredMethodNames = Collections.emptySet(); |
606 | |
} |
607 | |
|
608 | 0 | Method[] methods = implementation.getMethods(); |
609 | 0 | for (int i = 0; i < methods.length; i++) |
610 | |
{ |
611 | 0 | Method method = methods[i]; |
612 | |
|
613 | 0 | if (filter != null && filter.accept(method.getName())) |
614 | |
{ |
615 | 0 | continue; |
616 | |
} |
617 | 0 | Class<?>[] methodParams = method.getParameterTypes(); |
618 | |
|
619 | 0 | if (compare(methodParams, parameterTypes, matchOnObject)) |
620 | |
{ |
621 | 0 | if (!ignoredMethodNames.contains(method.getName())) |
622 | |
{ |
623 | 0 | String returnType = method.getReturnType().getName(); |
624 | 0 | if ((returnType.equals("void") && voidOk) || !returnType.equals("void")) |
625 | |
{ |
626 | 0 | result.add(method); |
627 | |
} |
628 | |
} |
629 | |
} |
630 | |
} |
631 | |
|
632 | 0 | return result; |
633 | |
} |
634 | |
|
635 | |
|
636 | |
|
637 | |
|
638 | |
|
639 | |
|
640 | |
|
641 | |
|
642 | |
|
643 | |
public static List<Method> getSatisfiableMethodsWithReturnType(Class implementation, |
644 | |
Class returnType, |
645 | |
boolean matchOnObject, |
646 | |
Set<String> ignoredMethodNames) |
647 | |
{ |
648 | 0 | List<Method> result = new ArrayList<Method>(); |
649 | |
|
650 | 0 | if (ignoredMethodNames == null) |
651 | |
{ |
652 | 0 | ignoredMethodNames = Collections.emptySet(); |
653 | |
} |
654 | |
|
655 | 0 | Method[] methods = implementation.getMethods(); |
656 | 0 | for (int i = 0; i < methods.length; i++) |
657 | |
{ |
658 | 0 | Method method = methods[i]; |
659 | 0 | Class returns = method.getReturnType(); |
660 | |
|
661 | 0 | if (compare(new Class[]{returns}, new Class[]{returnType}, matchOnObject)) |
662 | |
{ |
663 | 0 | if (!ignoredMethodNames.contains(method.getName())) |
664 | |
{ |
665 | 0 | result.add(method); |
666 | |
} |
667 | |
} |
668 | |
} |
669 | |
|
670 | 0 | return result; |
671 | |
} |
672 | |
|
673 | |
|
674 | |
|
675 | |
|
676 | |
|
677 | |
|
678 | |
|
679 | |
|
680 | |
|
681 | |
public static boolean isClassOnPath(String className, Class currentClass) |
682 | |
{ |
683 | |
try |
684 | |
{ |
685 | 0 | return (loadClass(className, currentClass) != null); |
686 | |
} |
687 | 0 | catch (ClassNotFoundException e) |
688 | |
{ |
689 | 0 | return false; |
690 | |
} |
691 | |
} |
692 | |
|
693 | |
|
694 | |
|
695 | |
|
696 | |
|
697 | |
|
698 | |
|
699 | |
|
700 | |
public static Class<?>[] getClassTypes(Object object) |
701 | |
{ |
702 | 0 | if (object == null) |
703 | |
{ |
704 | 0 | return NO_ARGS_TYPE; |
705 | |
} |
706 | |
|
707 | |
Class<?>[] types; |
708 | |
|
709 | 0 | if (object instanceof Object[]) |
710 | |
{ |
711 | 0 | Object[] objects = (Object[]) object; |
712 | 0 | if (objects.length == 0) |
713 | |
{ |
714 | 0 | return NO_ARGS_TYPE; |
715 | |
} |
716 | 0 | types = new Class[objects.length]; |
717 | 0 | for (int i = 0; i < objects.length; i++) |
718 | |
{ |
719 | 0 | Object o = objects[i]; |
720 | 0 | if (o != null) |
721 | |
{ |
722 | 0 | types[i] = o.getClass(); |
723 | |
} |
724 | |
} |
725 | 0 | } |
726 | |
else |
727 | |
{ |
728 | 0 | types = new Class[]{object.getClass()}; |
729 | |
} |
730 | |
|
731 | 0 | return types; |
732 | |
} |
733 | |
|
734 | |
public static String getClassName(Class clazz) |
735 | |
{ |
736 | 0 | if (clazz == null) |
737 | |
{ |
738 | 0 | return null; |
739 | |
} |
740 | 0 | String name = clazz.getName(); |
741 | 0 | return name.substring(name.lastIndexOf(".") + 1); |
742 | |
} |
743 | |
|
744 | |
public static boolean compare(Class[] c1, Class[] c2, boolean matchOnObject) |
745 | |
{ |
746 | 0 | if (c1.length != c2.length) |
747 | |
{ |
748 | 0 | return false; |
749 | |
} |
750 | 0 | for (int i = 0; i < c1.length; i++) |
751 | |
{ |
752 | 0 | if ((c1[i] == null) || (c2[i] == null)) |
753 | |
{ |
754 | 0 | return false; |
755 | |
} |
756 | 0 | if (c1[i].equals(Object.class) && !matchOnObject) |
757 | |
{ |
758 | 0 | return false; |
759 | |
} |
760 | 0 | if (!c1[i].isAssignableFrom(c2[i])) |
761 | |
{ |
762 | 0 | return false; |
763 | |
} |
764 | |
} |
765 | 0 | return true; |
766 | |
} |
767 | |
|
768 | |
public static Class wrapperToPrimitive(Class wrapper) |
769 | |
{ |
770 | 0 | return (Class) MapUtils.getObject(wrapperToPrimitiveMap, wrapper, wrapper); |
771 | |
} |
772 | |
|
773 | |
public static Class[] wrappersToPrimitives(Class[] wrappers) |
774 | |
{ |
775 | 0 | if (wrappers == null) |
776 | |
{ |
777 | 0 | return null; |
778 | |
} |
779 | |
|
780 | 0 | if (wrappers.length == 0) |
781 | |
{ |
782 | 0 | return wrappers; |
783 | |
} |
784 | |
|
785 | 0 | Class[] primitives = new Class[wrappers.length]; |
786 | |
|
787 | 0 | for (int i = 0; i < wrappers.length; i++) |
788 | |
{ |
789 | 0 | primitives[i] = (Class) MapUtils.getObject(wrapperToPrimitiveMap, wrappers[i], wrappers[i]); |
790 | |
} |
791 | |
|
792 | 0 | return primitives; |
793 | |
} |
794 | |
|
795 | |
|
796 | |
|
797 | |
|
798 | |
|
799 | |
|
800 | |
|
801 | |
public static String getSimpleName(Class clazz) |
802 | |
{ |
803 | 0 | if (null == clazz) |
804 | |
{ |
805 | 0 | return "null"; |
806 | |
} |
807 | |
else |
808 | |
{ |
809 | 0 | return classNameHelper(new BufferedReader(new CharArrayReader(clazz.getName().toCharArray()))); |
810 | |
} |
811 | |
} |
812 | |
|
813 | |
private static String classNameHelper(Reader encodedName) |
814 | |
{ |
815 | |
|
816 | |
|
817 | |
|
818 | |
|
819 | |
try |
820 | |
{ |
821 | 0 | encodedName.mark(1); |
822 | 0 | switch (encodedName.read()) |
823 | |
{ |
824 | |
case -1: |
825 | 0 | return "null"; |
826 | |
case 'Z': |
827 | 0 | return "boolean"; |
828 | |
case 'B': |
829 | 0 | return "byte"; |
830 | |
case 'C': |
831 | 0 | return "char"; |
832 | |
case 'D': |
833 | 0 | return "double"; |
834 | |
case 'F': |
835 | 0 | return "float"; |
836 | |
case 'I': |
837 | 0 | return "int"; |
838 | |
case 'J': |
839 | 0 | return "long"; |
840 | |
case 'S': |
841 | 0 | return "short"; |
842 | |
case '[': |
843 | 0 | return classNameHelper(encodedName) + "[]"; |
844 | |
case 'L': |
845 | 0 | return shorten(new BufferedReader(encodedName).readLine()); |
846 | |
default: |
847 | 0 | encodedName.reset(); |
848 | 0 | return shorten(new BufferedReader(encodedName).readLine()); |
849 | |
} |
850 | |
} |
851 | 0 | catch (IOException e) |
852 | |
{ |
853 | 0 | return "unknown type: " + e.getMessage(); |
854 | |
} |
855 | |
} |
856 | |
|
857 | |
|
858 | |
|
859 | |
|
860 | |
|
861 | |
private static String shorten(String clazz) |
862 | |
{ |
863 | 0 | if (null != clazz && clazz.endsWith(";")) |
864 | |
{ |
865 | 0 | clazz = clazz.substring(0, clazz.length() - 1); |
866 | |
} |
867 | 0 | if (null != clazz && clazz.lastIndexOf(".") > -1) |
868 | |
{ |
869 | 0 | clazz = clazz.substring(clazz.lastIndexOf(".") + 1, clazz.length()); |
870 | |
} |
871 | 0 | return clazz; |
872 | |
} |
873 | |
|
874 | |
|
875 | |
|
876 | |
|
877 | |
|
878 | |
|
879 | |
|
880 | |
|
881 | |
|
882 | |
public static boolean equal(Object a, Object b) |
883 | |
{ |
884 | 0 | if (null == a) |
885 | |
{ |
886 | 0 | return null == b; |
887 | |
} |
888 | |
else |
889 | |
{ |
890 | 0 | return null != b && a.equals(b); |
891 | |
} |
892 | |
} |
893 | |
|
894 | |
public static int hash(Object[] state) |
895 | |
{ |
896 | 0 | int hash = 0; |
897 | 0 | for (int i = 0; i < state.length; ++i) |
898 | |
{ |
899 | 0 | hash = hash * 31 + (null == state[i] ? 0 : state[i].hashCode()); |
900 | |
} |
901 | 0 | return hash; |
902 | |
} |
903 | |
|
904 | |
public static void addLibrariesToClasspath(List urls) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException |
905 | |
{ |
906 | 0 | ClassLoader sys = ClassLoader.getSystemClassLoader(); |
907 | 0 | if (!(sys instanceof URLClassLoader)) |
908 | |
{ |
909 | 0 | throw new IllegalArgumentException( |
910 | |
"PANIC: Mule has been started with an unsupported classloader: " + sys.getClass().getName() |
911 | |
+ ". " + "Please report this error to user<at>mule<dot>codehaus<dot>org"); |
912 | |
} |
913 | |
|
914 | |
|
915 | |
|
916 | 0 | URLClassLoader sysCl = (URLClassLoader) sys; |
917 | |
|
918 | |
|
919 | |
|
920 | |
|
921 | |
|
922 | |
|
923 | |
|
924 | |
|
925 | |
|
926 | |
|
927 | |
|
928 | |
|
929 | |
|
930 | |
|
931 | |
|
932 | |
|
933 | |
|
934 | |
|
935 | |
|
936 | 0 | Class refClass = URLClassLoader.class; |
937 | 0 | Method methodAddUrl = refClass.getDeclaredMethod("addURL", new Class[]{URL.class}); |
938 | 0 | methodAddUrl.setAccessible(true); |
939 | 0 | for (Iterator it = urls.iterator(); it.hasNext();) |
940 | |
{ |
941 | 0 | URL url = (URL) it.next(); |
942 | 0 | methodAddUrl.invoke(sysCl, url); |
943 | 0 | } |
944 | 0 | } |
945 | |
|
946 | |
|
947 | |
|
948 | |
|
949 | |
public static URL getClassPathRoot(Class clazz) |
950 | |
{ |
951 | 0 | CodeSource cs = clazz.getProtectionDomain().getCodeSource(); |
952 | 0 | return (cs != null ? cs.getLocation() : null); |
953 | |
} |
954 | |
} |