1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
|
16 |
|
|
17 |
|
|
18 |
|
|
19 |
|
|
20 |
|
|
21 |
|
package org.perfectjpattern.core.extras.delegate; |
22 |
|
|
23 |
|
import java.lang.reflect.*; |
24 |
|
import java.util.*; |
25 |
|
|
26 |
|
import org.apache.commons.lang.*; |
27 |
|
import org.perfectjpattern.core.api.extras.delegate.*; |
28 |
|
|
29 |
|
|
30 |
|
|
31 |
|
|
32 |
|
|
33 |
|
|
34 |
|
|
35 |
|
|
36 |
|
|
37 |
|
@see |
38 |
|
|
39 |
|
@param |
40 |
|
|
41 |
|
@author |
42 |
|
@author |
43 |
|
|
44 |
|
@author |
45 |
|
@version |
46 |
|
|
47 |
|
@SuppressWarnings("unchecked") |
48 |
|
public abstract |
|
|
| 92.8% |
Uncovered Elements: 5 (69) |
Complexity: 21 |
Complexity Density: 0.48 |
|
49 |
|
class AbstractDelegator<I> |
50 |
|
implements IDelegator<I> |
51 |
|
{ |
52 |
|
|
53 |
|
|
54 |
|
|
55 |
|
|
56 |
|
|
57 |
|
|
58 |
|
|
59 |
|
@param |
60 |
|
@param |
61 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (2) |
Complexity: 1 |
Complexity Density: 0.5 |
|
62 |
5
|
protected... |
63 |
|
AbstractDelegator(Class aReturnClass, Class... aParameters) |
64 |
|
{ |
65 |
5
|
theReturn = aReturnClass; |
66 |
5
|
theArguments = aParameters; |
67 |
|
} |
68 |
|
|
69 |
|
|
70 |
|
|
71 |
|
|
72 |
|
|
73 |
|
|
74 |
|
@param |
75 |
|
@throws |
76 |
|
|
77 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (3) |
Complexity: 1 |
Complexity Density: 0.33 |
|
78 |
49
|
protected... |
79 |
|
AbstractDelegator(Class<I> anInterface) |
80 |
|
{ |
81 |
49
|
Method myMethod = findMethod(anInterface); |
82 |
|
|
83 |
47
|
theReturn = myMethod.getReturnType(); |
84 |
47
|
theArguments = myMethod.getParameterTypes(); |
85 |
|
} |
86 |
|
|
87 |
|
|
88 |
|
|
89 |
|
|
90 |
|
|
91 |
|
|
92 |
|
@param |
93 |
|
@param |
94 |
|
@param |
95 |
|
@return |
96 |
|
|
97 |
|
|
|
|
| 80% |
Uncovered Elements: 2 (10) |
Complexity: 3 |
Complexity Density: 0.5 |
|
98 |
1
|
@SuppressWarnings("unchecked")... |
99 |
|
protected boolean |
100 |
|
isSuitableMethod(Method aTestMethod, Class aReturnClass, |
101 |
|
Class... anArguments) |
102 |
|
{ |
103 |
1
|
Class[] myMethodArgs = aTestMethod.getParameterTypes(); |
104 |
|
|
105 |
2
|
for (int i = 0; i < myMethodArgs.length; i++) |
106 |
|
{ |
107 |
1
|
Class myArgument = myMethodArgs[i]; |
108 |
|
|
109 |
1
|
if (!myArgument.isAssignableFrom(anArguments[i])) |
110 |
|
{ |
111 |
0
|
return false; |
112 |
|
} |
113 |
|
} |
114 |
|
|
115 |
1
|
return isValidReturn(aTestMethod, aReturnClass); |
116 |
|
} |
117 |
|
|
118 |
|
|
119 |
|
|
120 |
|
|
121 |
|
|
122 |
|
@param |
123 |
|
@param |
124 |
|
@return |
125 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
126 |
14
|
@SuppressWarnings("unchecked")... |
127 |
|
protected boolean |
128 |
|
isValidReturn(Method aTestMethod, Class aReturnClass) |
129 |
|
{ |
130 |
14
|
return (aReturnClass == null |
131 |
|
|| aTestMethod.getReturnType() == aReturnClass |
132 |
|
|| aTestMethod.getReturnType().equals(aReturnClass) |
133 |
|
|| aReturnClass.isAssignableFrom(aTestMethod.getReturnType())); |
134 |
|
} |
135 |
|
|
136 |
|
|
137 |
|
|
138 |
|
|
139 |
|
|
140 |
|
|
141 |
|
@param |
142 |
|
@param |
143 |
|
@param |
144 |
|
@return |
145 |
|
|
146 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (11) |
Complexity: 5 |
Complexity Density: 0.71 |
|
147 |
37
|
@SuppressWarnings("unchecked")... |
148 |
|
protected static Method[] |
149 |
|
findMethod(Class aTargetClass, String aMethodName, |
150 |
|
int aNumberOfArguments) |
151 |
|
{ |
152 |
37
|
Method[] myPossibilities = aTargetClass.getMethods(); |
153 |
37
|
List myHolder = new ArrayList(); |
154 |
|
|
155 |
579
|
for (int i = 0; i < myPossibilities.length; i++) |
156 |
|
{ |
157 |
542
|
Method myPossibility = myPossibilities[i]; |
158 |
|
|
159 |
542
|
if (myPossibility.getName().equals(aMethodName) && |
160 |
|
myPossibility.getParameterTypes().length == |
161 |
|
aNumberOfArguments && Modifier.isPublic(myPossibility. |
162 |
|
getModifiers())) |
163 |
|
{ |
164 |
37
|
myHolder.add(myPossibility); |
165 |
|
} |
166 |
|
} |
167 |
|
|
168 |
37
|
return (Method[]) myHolder.toArray(EMPTY_METHOD_ARRAY); |
169 |
|
} |
170 |
|
|
171 |
|
|
172 |
|
|
173 |
|
|
174 |
|
|
175 |
|
|
176 |
|
@param |
177 |
|
@param |
178 |
|
@param |
179 |
|
@return |
180 |
|
|
181 |
|
@throws |
182 |
|
@throws |
183 |
|
@throws |
184 |
|
|
|
|
| 87.5% |
Uncovered Elements: 2 (16) |
Complexity: 5 |
Complexity Density: 0.42 |
|
185 |
48
|
@SuppressWarnings("unchecked")... |
186 |
|
protected Method |
187 |
|
findMethod(Class aTargetClass, String aMethodName, |
188 |
|
AbstractDelegator aDelegator) |
189 |
|
throws IllegalArgumentException, UnsupportedOperationException |
190 |
|
{ |
191 |
48
|
Class[] myArguments = aDelegator.getArguments(); |
192 |
48
|
Class myReturnClass = aDelegator.getReturn(); |
193 |
|
|
194 |
48
|
try |
195 |
|
{ |
196 |
48
|
Method myReturn = aTargetClass.getMethod(aMethodName, myArguments); |
197 |
|
|
198 |
13
|
Validate.isTrue(isValidReturn(myReturn, myReturnClass), |
199 |
|
"Requested method returns wrong type."); |
200 |
|
|
201 |
13
|
Validate.isTrue(Modifier.isPublic(myReturn.getModifiers()), |
202 |
|
"Requested method is not public."); |
203 |
|
|
204 |
13
|
return myReturn; |
205 |
|
} |
206 |
|
catch (SecurityException anException) |
207 |
|
{ |
208 |
|
|
209 |
|
} |
210 |
|
catch (NoSuchMethodException anException) |
211 |
|
{ |
212 |
|
|
213 |
|
} |
214 |
|
|
215 |
35
|
Method[] myPossibilities = findMethod(aTargetClass, aMethodName, |
216 |
|
myArguments.length); |
217 |
|
|
218 |
35
|
for (int i = 0; i < myPossibilities.length; i++) |
219 |
|
{ |
220 |
35
|
Method myPossibility = myPossibilities[i]; |
221 |
|
|
222 |
35
|
if (isSuitableMethod(myPossibility, myReturnClass, myArguments)) |
223 |
|
{ |
224 |
35
|
return myPossibility; |
225 |
|
} |
226 |
|
} |
227 |
|
|
228 |
|
throw new UnsupportedOperationException("No suitable method found."); |
229 |
|
} |
230 |
|
|
231 |
|
|
232 |
|
|
233 |
|
|
234 |
|
|
235 |
|
@param |
236 |
|
@return |
237 |
|
@throws |
238 |
|
@throws |
239 |
|
|
240 |
|
|
|
|
| 93.3% |
Uncovered Elements: 1 (15) |
Complexity: 3 |
Complexity Density: 0.27 |
|
241 |
49
|
protected static Method ... |
242 |
|
findMethod(Class anInterface) |
243 |
|
{ |
244 |
49
|
Validate.notNull(anInterface, "'anInterface' must not be null"); |
245 |
49
|
Validate.isTrue(anInterface.isInterface(), |
246 |
|
"DelegateTemplate must be constructed with an interface"); |
247 |
|
|
248 |
49
|
Method[] myMethods = anInterface.getMethods(); |
249 |
49
|
Method myReturn = null; |
250 |
|
|
251 |
97
|
for (int i = 0; i < myMethods.length; i++) |
252 |
|
{ |
253 |
49
|
Method myTest = myMethods[i]; |
254 |
|
|
255 |
49
|
if (Modifier.isAbstract(myTest.getModifiers())) |
256 |
|
{ |
257 |
49
|
Validate.isTrue(myReturn == null, "DelegateTemplate must be " + |
258 |
|
"constructed with an interface implementing exactly one " + |
259 |
|
"method!"); |
260 |
|
|
261 |
48
|
myReturn = myTest; |
262 |
|
} |
263 |
|
} |
264 |
|
|
265 |
48
|
Validate.notNull(myReturn, "DelegateTemplate must be constructed " + |
266 |
|
"with an interface implementing exactly one method!"); |
267 |
|
|
268 |
47
|
return myReturn; |
269 |
|
} |
270 |
|
|
271 |
|
|
272 |
|
|
273 |
|
|
274 |
|
|
275 |
|
@return |
276 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
277 |
91
|
protected Class ... |
278 |
|
getReturn() |
279 |
|
{ |
280 |
91
|
return theReturn; |
281 |
|
} |
282 |
|
|
283 |
|
|
284 |
|
|
285 |
|
|
286 |
|
|
287 |
|
@return |
288 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
289 |
30413
|
protected Class[] ... |
290 |
|
getArguments() |
291 |
|
{ |
292 |
30413
|
return theArguments; |
293 |
|
} |
294 |
|
|
295 |
|
|
296 |
|
|
297 |
|
|
298 |
|
protected |
|
|
| 100% |
Uncovered Elements: 0 (25) |
Complexity: 10 |
Complexity Density: 0.67 |
|
299 |
|
class DelegateProxy |
300 |
|
implements IDelegate, InvocationHandler |
301 |
|
{ |
302 |
|
|
303 |
|
|
304 |
|
|
305 |
|
|
306 |
|
|
307 |
|
@param |
308 |
|
@param |
309 |
|
@param |
310 |
|
@param |
311 |
|
@throws |
312 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (3) |
Complexity: 1 |
Complexity Density: 0.33 |
|
313 |
48
|
public ... |
314 |
|
DelegateProxy(Object aTarget, Class aTargetClass, String aMethodName, |
315 |
|
AbstractDelegator aTemplate) |
316 |
|
throws UnsupportedOperationException |
317 |
|
{ |
318 |
48
|
theTarget = aTarget; |
319 |
|
|
320 |
48
|
Method myMethod = |
321 |
|
findMethod(aTargetClass, aMethodName, aTemplate); |
322 |
48
|
theMethod = myMethod; |
323 |
|
} |
324 |
|
|
325 |
|
|
326 |
|
|
327 |
|
@inheritDoc |
328 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
329 |
30357
|
public Object ... |
330 |
|
invoke(Object aProxy, Method aMethod, Object[] anArguments) |
331 |
|
{ |
332 |
30357
|
return invoke(anArguments); |
333 |
|
} |
334 |
|
|
335 |
|
|
336 |
|
|
337 |
|
@inheritDoc |
338 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (4) |
Complexity: 3 |
Complexity Density: 0.75 |
|
339 |
30365
|
public Object ... |
340 |
|
invoke(Object... anArguments) |
341 |
|
throws IllegalArgumentException, UnsupportedOperationException |
342 |
|
{ |
343 |
30365
|
validateArgs(anArguments, getArguments()); |
344 |
|
|
345 |
30365
|
try |
346 |
|
{ |
347 |
30365
|
Object myReturn = getMethod().invoke(getTarget(), anArguments); |
348 |
|
|
349 |
30365
|
return myReturn; |
350 |
|
} |
351 |
|
catch (IllegalAccessException anException) |
352 |
|
{ |
353 |
|
throw new UnsupportedOperationException( |
354 |
|
anException.getMessage()); |
355 |
|
} |
356 |
|
catch (InvocationTargetException anException) |
357 |
|
{ |
358 |
|
throw new UnsupportedOperationException(anException.getCause()); |
359 |
|
} |
360 |
|
} |
361 |
|
|
362 |
|
|
363 |
|
|
364 |
|
|
365 |
|
|
366 |
|
|
367 |
|
@param |
368 |
|
@param |
369 |
|
@throws |
370 |
|
|
371 |
|
@throws |
372 |
|
@throws |
373 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (9) |
Complexity: 3 |
Complexity Density: 0.6 |
|
374 |
30365
|
protected void ... |
375 |
|
validateArgs(Object[] anArguments, Class[] anExpectedArguments) |
376 |
|
throws IllegalArgumentException |
377 |
|
{ |
378 |
30365
|
Validate.notNull(anExpectedArguments, |
379 |
|
"'anExpectedArguments' must not be null"); |
380 |
|
|
381 |
30365
|
Validate.isTrue((anArguments == null && anExpectedArguments.length |
382 |
|
== 0) || (anArguments != null && anArguments.length == |
383 |
|
anExpectedArguments.length), "Delegator required '" + |
384 |
|
anExpectedArguments.length + "' arguments"); |
385 |
|
|
386 |
30365
|
if (anArguments != null) |
387 |
|
{ |
388 |
60724
|
for (int i = 0; i < anArguments.length; i++) |
389 |
|
{ |
390 |
30362
|
Validate.isTrue(anExpectedArguments[i].isInstance( |
391 |
|
anArguments[i]), "Argument '" + i + "' must be of " + |
392 |
|
"type '" + anExpectedArguments[i].getName() + "'"); |
393 |
|
} |
394 |
|
} |
395 |
|
} |
396 |
|
|
397 |
|
|
398 |
|
|
399 |
|
|
400 |
|
|
401 |
|
@return |
402 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
403 |
30365
|
protected Method ... |
404 |
|
getMethod() |
405 |
|
{ |
406 |
30365
|
return theMethod; |
407 |
|
} |
408 |
|
|
409 |
|
|
410 |
|
|
411 |
|
|
412 |
|
|
413 |
|
@return |
414 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
415 |
30365
|
protected Object ... |
416 |
|
getTarget() |
417 |
|
{ |
418 |
30365
|
return theTarget; |
419 |
|
} |
420 |
|
|
421 |
|
|
422 |
|
|
423 |
|
|
424 |
|
private final Method theMethod; |
425 |
|
private final Object theTarget; |
426 |
|
} |
427 |
|
|
428 |
|
|
429 |
|
|
430 |
|
|
431 |
|
private static final Method[] EMPTY_METHOD_ARRAY = {}; |
432 |
|
|
433 |
|
private final Class theReturn; |
434 |
|
private final Class[] theArguments; |
435 |
|
} |