1 /*
2 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
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
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
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 *
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.
24 */
25
26 package java.lang.reflect;
27
28 import java.lang.annotation.*;
29 import java.util.Arrays;
30 import java.util.Map;
31 import java.util.Objects;
32 import java.util.StringJoiner;
33 import java.util.stream.Stream;
34 import java.util.stream.Collectors;
35
36 import jdk.internal.access.SharedSecrets;
37 import sun.reflect.annotation.AnnotationParser;
38 import sun.reflect.annotation.AnnotationSupport;
39 import sun.reflect.annotation.TypeAnnotationParser;
40 import sun.reflect.annotation.TypeAnnotation;
41 import sun.reflect.generics.repository.ConstructorRepository;
42
43 /**
44 * A shared superclass for the common functionality of {@link Method}
45 * and {@link Constructor}.
46 *
47 * @since 1.8
48 */
49 public abstract class Executable extends AccessibleObject
50 implements Member, GenericDeclaration {
51 /*
52 * Only grant package-visibility to the constructor.
53 */
54 Executable() {}
55
56 /**
57 * Accessor method to allow code sharing
58 */
59 abstract byte[] getAnnotationBytes();
60
61 /**
62 * Does the Executable have generic information.
63 */
64 abstract boolean hasGenericInformation();
65
66 abstract ConstructorRepository getGenericInfo();
67
68 boolean equalParamTypes(Class<?>[] params1, Class<?>[] params2) {
69 /* Avoid unnecessary cloning */
70 if (params1.length == params2.length) {
71 for (int i = 0; i < params1.length; i++) {
72 if (params1[i] != params2[i])
73 return false;
74 }
75 return true;
76 }
77 return false;
78 }
79
80 Annotation[][] parseParameterAnnotations(byte[] parameterAnnotations) {
81 return AnnotationParser.parseParameterAnnotations(
82 parameterAnnotations,
83 SharedSecrets.getJavaLangAccess().
84 getConstantPool(getDeclaringClass()),
85 getDeclaringClass());
86 }
87
88 void printModifiersIfNonzero(StringBuilder sb, int mask, boolean isDefault) {
89 int mod = getModifiers() & mask;
90
91 if (mod != 0 && !isDefault) {
92 sb.append(Modifier.toString(mod)).append(' ');
93 } else {
94 int access_mod = mod & Modifier.ACCESS_MODIFIERS;
95 if (access_mod != 0)
96 sb.append(Modifier.toString(access_mod)).append(' ');
97 if (isDefault)
98 sb.append("default ");
99 mod = (mod & ~Modifier.ACCESS_MODIFIERS);
100 if (mod != 0)
101 sb.append(Modifier.toString(mod)).append(' ');
102 }
103 }
104
105 String sharedToString(int modifierMask,
106 boolean isDefault,
107 Class<?>[] parameterTypes,
108 Class<?>[] exceptionTypes) {
109 try {
110 StringBuilder sb = new StringBuilder();
111
112 printModifiersIfNonzero(sb, modifierMask, isDefault);
113 specificToStringHeader(sb);
114 sb.append('(');
115
116 sb.append(Stream.of(parameterTypes).map(Type::getTypeName).
117 collect(Collectors.joining(",")));
118
119 sb.append(')');
120
121 if (exceptionTypes.length > 0) {
122 sb.append(Stream.of(exceptionTypes).map(Type::getTypeName).
123 collect(Collectors.joining(",", " throws ", "")));
124 }
125 return sb.toString();
126 } catch (Exception e) {
127 return "<" + e + ">";
128 }
129 }
130
131 /**
132 * Generate toString header information specific to a method or
133 * constructor.
134 */
135 abstract void specificToStringHeader(StringBuilder sb);
136
137 static String typeVarBounds(TypeVariable<?> typeVar) {
138 Type[] bounds = typeVar.getBounds();
139 if (bounds.length == 1 && bounds[0].equals(Object.class)) {
140 return typeVar.getName();
141 } else {
142 return typeVar.getName() + " extends " +
143 Stream.of(bounds).map(Type::getTypeName).
144 collect(Collectors.joining(" & "));
145 }
146 }
147
148 String sharedToGenericString(int modifierMask, boolean isDefault) {
149 try {
150 StringBuilder sb = new StringBuilder();
151
152 printModifiersIfNonzero(sb, modifierMask, isDefault);
153
154 TypeVariable<?>[] typeparms = getTypeParameters();
155 if (typeparms.length > 0) {
156 sb.append(Stream.of(typeparms).map(Executable::typeVarBounds).
157 collect(Collectors.joining(",", "<", "> ")));
158 }
159
160 specificToGenericStringHeader(sb);
161
162 sb.append('(');
163 StringJoiner sj = new StringJoiner(",");
164 Type[] params = getGenericParameterTypes();
165 for (int j = 0; j < params.length; j++) {
166 String param = params[j].getTypeName();
167 if (isVarArgs() && (j == params.length - 1)) // replace T[] with T...
168 param = param.replaceFirst("\\[\\]$", "...");
169 sj.add(param);
170 }
171 sb.append(sj.toString());
172 sb.append(')');
173
174 Type[] exceptionTypes = getGenericExceptionTypes();
175 if (exceptionTypes.length > 0) {
176 sb.append(Stream.of(exceptionTypes).map(Type::getTypeName).
177 collect(Collectors.joining(",", " throws ", "")));
178 }
179 return sb.toString();
180 } catch (Exception e) {
181 return "<" + e + ">";
182 }
183 }
184
185 /**
186 * Generate toGenericString header information specific to a
187 * method or constructor.
188 */
189 abstract void specificToGenericStringHeader(StringBuilder sb);
190
191 /**
192 * Returns the {@code Class} object representing the class or interface
193 * that declares the executable represented by this object.
194 */
195 public abstract Class<?> getDeclaringClass();
196
197 /**
198 * Returns the name of the executable represented by this object.
199 */
200 public abstract String getName();
201
202 /**
203 * Returns the Java language {@linkplain Modifier modifiers} for
204 * the executable represented by this object.
205 */
206 public abstract int getModifiers();
207
208 /**
209 * Returns an array of {@code TypeVariable} objects that represent the
210 * type variables declared by the generic declaration represented by this
211 * {@code GenericDeclaration} object, in declaration order. Returns an
212 * array of length 0 if the underlying generic declaration declares no type
213 * variables.
214 *
215 * @return an array of {@code TypeVariable} objects that represent
216 * the type variables declared by this generic declaration
217 * @throws GenericSignatureFormatError if the generic
218 * signature of this generic declaration does not conform to
219 * the format specified in
220 * <cite>The Java™ Virtual Machine Specification</cite>
221 */
222 public abstract TypeVariable<?>[] getTypeParameters();
223
224 // returns shared array of parameter types - must never give it out
225 // to the untrusted code...
226 abstract Class<?>[] getSharedParameterTypes();
227
228 // returns shared array of exception types - must never give it out
229 // to the untrusted code...
230 abstract Class<?>[] getSharedExceptionTypes();
231
232 /**
233 * Returns an array of {@code Class} objects that represent the formal
234 * parameter types, in declaration order, of the executable
235 * represented by this object. Returns an array of length
236 * 0 if the underlying executable takes no parameters.
237 *
238 * @return the parameter types for the executable this object
239 * represents
240 */
241 public abstract Class<?>[] getParameterTypes();
242
243 /**
244 * Returns the number of formal parameters (whether explicitly
245 * declared or implicitly declared or neither) for the executable
246 * represented by this object.
247 *
248 * @return The number of formal parameters for the executable this
249 * object represents
250 */
251 public int getParameterCount() {
252 throw new AbstractMethodError();
253 }
254
255 /**
256 * Returns an array of {@code Type} objects that represent the formal
257 * parameter types, in declaration order, of the executable represented by
258 * this object. Returns an array of length 0 if the
259 * underlying executable takes no parameters.
260 *
261 * <p>If a formal parameter type is a parameterized type,
262 * the {@code Type} object returned for it must accurately reflect
263 * the actual type parameters used in the source code.
264 *
265 * <p>If a formal parameter type is a type variable or a parameterized
266 * type, it is created. Otherwise, it is resolved.
267 *
268 * @return an array of {@code Type}s that represent the formal
269 * parameter types of the underlying executable, in declaration order
270 * @throws GenericSignatureFormatError
271 * if the generic method signature does not conform to the format
272 * specified in
273 * <cite>The Java™ Virtual Machine Specification</cite>
274 * @throws TypeNotPresentException if any of the parameter
275 * types of the underlying executable refers to a non-existent type
276 * declaration
277 * @throws MalformedParameterizedTypeException if any of
278 * the underlying executable's parameter types refer to a parameterized
279 * type that cannot be instantiated for any reason
280 */
281 public Type[] getGenericParameterTypes() {
282 if (hasGenericInformation())
283 return getGenericInfo().getParameterTypes();
284 else
285 return getParameterTypes();
286 }
287
288 /**
289 * Behaves like {@code getGenericParameterTypes}, but returns type
290 * information for all parameters, including synthetic parameters.
291 */
292 Type[] getAllGenericParameterTypes() {
293 final boolean genericInfo = hasGenericInformation();
294
295 // Easy case: we don't have generic parameter information. In
296 // this case, we just return the result of
297 // getParameterTypes().
298 if (!genericInfo) {
299 return getParameterTypes();
300 } else {
301 final boolean realParamData = hasRealParameterData();
302 final Type[] genericParamTypes = getGenericParameterTypes();
303 final Type[] nonGenericParamTypes = getParameterTypes();
304 final Type[] out = new Type[nonGenericParamTypes.length];
305 final Parameter[] params = getParameters();
306 int fromidx = 0;
307 // If we have real parameter data, then we use the
308 // synthetic and mandate flags to our advantage.
309 if (realParamData) {
310 for (int i = 0; i < out.length; i++) {
311 final Parameter param = params[i];
312 if (param.isSynthetic() || param.isImplicit()) {
313 // If we hit a synthetic or mandated parameter,
314 // use the non generic parameter info.
315 out[i] = nonGenericParamTypes[i];
316 } else {
317 // Otherwise, use the generic parameter info.
318 out[i] = genericParamTypes[fromidx];
319 fromidx++;
320 }
321 }
322 } else {
323 // Otherwise, use the non-generic parameter data.
324 // Without method parameter reflection data, we have
325 // no way to figure out which parameters are
326 // synthetic/mandated, thus, no way to match up the
327 // indexes.
328 return genericParamTypes.length == nonGenericParamTypes.length ?
329 genericParamTypes : nonGenericParamTypes;
330 }
331 return out;
332 }
333 }
334
335 /**
336 * Returns an array of {@code Parameter} objects that represent
337 * all the parameters to the underlying executable represented by
338 * this object. Returns an array of length 0 if the executable
339 * has no parameters.
340 *
341 * <p>The parameters of the underlying executable do not necessarily
342 * have unique names, or names that are legal identifiers in the
343 * Java programming language (JLS 3.8).
344 *
345 * @throws MalformedParametersException if the class file contains
346 * a MethodParameters attribute that is improperly formatted.
347 * @return an array of {@code Parameter} objects representing all
348 * the parameters to the executable this object represents.
349 */
350 public Parameter[] getParameters() {
351 // TODO: This may eventually need to be guarded by security
352 // mechanisms similar to those in Field, Method, etc.
353 //
354 // Need to copy the cached array to prevent users from messing
355 // with it. Since parameters are immutable, we can
356 // shallow-copy.
357 return privateGetParameters().clone();
358 }
359
360 private Parameter[] synthesizeAllParams() {
361 final int realparams = getParameterCount();
362 final Parameter[] out = new Parameter[realparams];
363 for (int i = 0; i < realparams; i++)
364 // TODO: is there a way to synthetically derive the
365 // modifiers? Probably not in the general case, since
366 // we'd have no way of knowing about them, but there
367 // may be specific cases.
368 out[i] = new Parameter("arg" + i, 0, this, i);
369 return out;
370 }
371
372 private void verifyParameters(final Parameter[] parameters) {
373 final int mask = Modifier.FINAL | Modifier.SYNTHETIC | Modifier.MANDATED;
374
375 if (getParameterTypes().length != parameters.length)
376 throw new MalformedParametersException("Wrong number of parameters in MethodParameters attribute");
377
378 for (Parameter parameter : parameters) {
379 final String name = parameter.getRealName();
380 final int mods = parameter.getModifiers();
381
382 if (name != null) {
383 if (name.isEmpty() || name.indexOf('.') != -1 ||
384 name.indexOf(';') != -1 || name.indexOf('[') != -1 ||
385 name.indexOf('/') != -1) {
386 throw new MalformedParametersException("Invalid parameter name \"" + name + "\"");
387 }
388 }
389
390 if (mods != (mods & mask)) {
391 throw new MalformedParametersException("Invalid parameter modifiers");
392 }
393 }
394 }
395
396 private Parameter[] privateGetParameters() {
397 // Use tmp to avoid multiple writes to a volatile.
398 Parameter[] tmp = parameters;
399
400 if (tmp == null) {
401
402 // Otherwise, go to the JVM to get them
403 try {
404 tmp = getParameters0();
405 } catch(IllegalArgumentException e) {
406 // Rethrow ClassFormatErrors
407 throw new MalformedParametersException("Invalid constant pool index");
408 }
409
410 // If we get back nothing, then synthesize parameters
411 if (tmp == null) {
412 hasRealParameterData = false;
413 tmp = synthesizeAllParams();
414 } else {
415 hasRealParameterData = true;
416 verifyParameters(tmp);
417 }
418
419 parameters = tmp;
420 }
421
422 return tmp;
423 }
424
425 boolean hasRealParameterData() {
426 // If this somehow gets called before parameters gets
427 // initialized, force it into existence.
428 if (parameters == null) {
429 privateGetParameters();
430 }
431 return hasRealParameterData;
432 }
433
434 private transient volatile boolean hasRealParameterData;
435 private transient volatile Parameter[] parameters;
436
437 private native Parameter[] getParameters0();
438 native byte[] getTypeAnnotationBytes0();
439
440 // Needed by reflectaccess
441 byte[] getTypeAnnotationBytes() {
442 return getTypeAnnotationBytes0();
443 }
444
445 /**
446 * Returns an array of {@code Class} objects that represent the
447 * types of exceptions declared to be thrown by the underlying
448 * executable represented by this object. Returns an array of
449 * length 0 if the executable declares no exceptions in its {@code
450 * throws} clause.
451 *
452 * @return the exception types declared as being thrown by the
453 * executable this object represents
454 */
455 public abstract Class<?>[] getExceptionTypes();
456
457 /**
458 * Returns an array of {@code Type} objects that represent the
459 * exceptions declared to be thrown by this executable object.
460 * Returns an array of length 0 if the underlying executable declares
461 * no exceptions in its {@code throws} clause.
462 *
463 * <p>If an exception type is a type variable or a parameterized
464 * type, it is created. Otherwise, it is resolved.
465 *
466 * @return an array of Types that represent the exception types
467 * thrown by the underlying executable
468 * @throws GenericSignatureFormatError
469 * if the generic method signature does not conform to the format
470 * specified in
471 * <cite>The Java™ Virtual Machine Specification</cite>
472 * @throws TypeNotPresentException if the underlying executable's
473 * {@code throws} clause refers to a non-existent type declaration
474 * @throws MalformedParameterizedTypeException if
475 * the underlying executable's {@code throws} clause refers to a
476 * parameterized type that cannot be instantiated for any reason
477 */
478 public Type[] getGenericExceptionTypes() {
479 Type[] result;
480 if (hasGenericInformation() &&
481 ((result = getGenericInfo().getExceptionTypes()).length > 0))
482 return result;
483 else
484 return getExceptionTypes();
485 }
486
487 /**
488 * Returns a string describing this {@code Executable}, including
489 * any type parameters.
490 * @return a string describing this {@code Executable}, including
491 * any type parameters
492 */
493 public abstract String toGenericString();
494
495 /**
496 * Returns {@code true} if this executable was declared to take a
497 * variable number of arguments; returns {@code false} otherwise.
498 *
499 * @return {@code true} if an only if this executable was declared
500 * to take a variable number of arguments.
501 */
502 public boolean isVarArgs() {
503 return (getModifiers() & Modifier.VARARGS) != 0;
504 }
505
506 /**
507 * Returns {@code true} if this executable is a synthetic
508 * construct; returns {@code false} otherwise.
509 *
510 * @return true if and only if this executable is a synthetic
511 * construct as defined by
512 * <cite>The Java™ Language Specification</cite>.
513 * @jls 13.1 The Form of a Binary
514 */
515 public boolean isSynthetic() {
516 return Modifier.isSynthetic(getModifiers());
517 }
518
519 /**
520 * Returns an array of arrays of {@code Annotation}s that
521 * represent the annotations on the formal parameters, in
522 * declaration order, of the {@code Executable} represented by
523 * this object. Synthetic and mandated parameters (see
524 * explanation below), such as the outer "this" parameter to an
525 * inner class constructor will be represented in the returned
526 * array. If the executable has no parameters (meaning no formal,
527 * no synthetic, and no mandated parameters), a zero-length array
528 * will be returned. If the {@code Executable} has one or more
529 * parameters, a nested array of length zero is returned for each
530 * parameter with no annotations. The annotation objects contained
531 * in the returned arrays are serializable. The caller of this
532 * method is free to modify the returned arrays; it will have no
533 * effect on the arrays returned to other callers.
534 *
535 * A compiler may add extra parameters that are implicitly
536 * declared in source ("mandated"), as well as parameters that
537 * are neither implicitly nor explicitly declared in source
538 * ("synthetic") to the parameter list for a method. See {@link
539 * java.lang.reflect.Parameter} for more information.
540 *
541 * @see java.lang.reflect.Parameter
542 * @see java.lang.reflect.Parameter#getAnnotations
543 * @return an array of arrays that represent the annotations on
544 * the formal and implicit parameters, in declaration order, of
545 * the executable represented by this object
546 */
547 public abstract Annotation[][] getParameterAnnotations();
548
549 Annotation[][] sharedGetParameterAnnotations(Class<?>[] parameterTypes,
550 byte[] parameterAnnotations) {
551 int numParameters = parameterTypes.length;
552 if (parameterAnnotations == null)
553 return new Annotation[numParameters][0];
554
555 Annotation[][] result = parseParameterAnnotations(parameterAnnotations);
556
557 if (result.length != numParameters &&
558 handleParameterNumberMismatch(result.length, numParameters)) {
559 Annotation[][] tmp = new Annotation[result.length+1][];
560 // Shift annotations down one to account for an implicit leading parameter
561 System.arraycopy(result, 0, tmp, 1, result.length);
562 tmp[0] = new Annotation[0];
563 result = tmp;
564 }
565 return result;
566 }
567
568 abstract boolean handleParameterNumberMismatch(int resultLength, int numParameters);
569
570 /**
571 * {@inheritDoc}
572 * @throws NullPointerException {@inheritDoc}
573 */
574 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
575 Objects.requireNonNull(annotationClass);
576 return annotationClass.cast(declaredAnnotations().get(annotationClass));
577 }
578
579 /**
580 * {@inheritDoc}
581 * @throws NullPointerException {@inheritDoc}
582 */
583 @Override
584 public <T extends Annotation> T[] getAnnotationsByType(Class<T> annotationClass) {
585 Objects.requireNonNull(annotationClass);
586
587 return AnnotationSupport.getDirectlyAndIndirectlyPresent(declaredAnnotations(), annotationClass);
588 }
589
590 /**
591 * {@inheritDoc}
592 */
593 public Annotation[] getDeclaredAnnotations() {
594 return AnnotationParser.toArray(declaredAnnotations());
595 }
596
597 private transient volatile Map<Class<? extends Annotation>, Annotation> declaredAnnotations;
598
599 private Map<Class<? extends Annotation>, Annotation> declaredAnnotations() {
600 Map<Class<? extends Annotation>, Annotation> declAnnos;
601 if ((declAnnos = declaredAnnotations) == null) {
602 synchronized (this) {
603 if ((declAnnos = declaredAnnotations) == null) {
604 Executable root = (Executable)getRoot();
605 if (root != null) {
606 declAnnos = root.declaredAnnotations();
607 } else {
608 declAnnos = AnnotationParser.parseAnnotations(
609 getAnnotationBytes(),
610 SharedSecrets.getJavaLangAccess().
611 getConstantPool(getDeclaringClass()),
612 getDeclaringClass()
613 );
614 }
615 declaredAnnotations = declAnnos;
616 }
617 }
618 }
619 return declAnnos;
620 }
621
622 /**
623 * Returns an {@code AnnotatedType} object that represents the use of a type to
624 * specify the return type of the method/constructor represented by this
625 * Executable.
626 *
627 * If this {@code Executable} object represents a constructor, the {@code
628 * AnnotatedType} object represents the type of the constructed object.
629 *
630 * If this {@code Executable} object represents a method, the {@code
631 * AnnotatedType} object represents the use of a type to specify the return
632 * type of the method.
633 *
634 * @return an object representing the return type of the method
635 * or constructor represented by this {@code Executable}
636 */
637 public abstract AnnotatedType getAnnotatedReturnType();
638
639 /* Helper for subclasses of Executable.
640 *
641 * Returns an AnnotatedType object that represents the use of a type to
642 * specify the return type of the method/constructor represented by this
643 * Executable.
644 */
645 AnnotatedType getAnnotatedReturnType0(Type returnType) {
646 return TypeAnnotationParser.buildAnnotatedType(getTypeAnnotationBytes0(),
647 SharedSecrets.getJavaLangAccess().
648 getConstantPool(getDeclaringClass()),
649 this,
650 getDeclaringClass(),
651 returnType,
652 TypeAnnotation.TypeAnnotationTarget.METHOD_RETURN);
653 }
654
655 /**
656 * Returns an {@code AnnotatedType} object that represents the use of a
657 * type to specify the receiver type of the method/constructor represented
658 * by this {@code Executable} object.
659 *
660 * The receiver type of a method/constructor is available only if the
661 * method/constructor has a receiver parameter (JLS 8.4.1). If this {@code
662 * Executable} object <em>represents an instance method or represents a
663 * constructor of an inner member class</em>, and the
664 * method/constructor <em>either</em> has no receiver parameter or has a
665 * receiver parameter with no annotations on its type, then the return
666 * value is an {@code AnnotatedType} object representing an element with no
667 * annotations.
668 *
669 * If this {@code Executable} object represents a static method or
670 * represents a constructor of a top level, static member, local, or
671 * anonymous class, then the return value is null.
672 *
673 * @return an object representing the receiver type of the method or
674 * constructor represented by this {@code Executable} or {@code null} if
675 * this {@code Executable} can not have a receiver parameter
676 */
677 public AnnotatedType getAnnotatedReceiverType() {
678 if (Modifier.isStatic(this.getModifiers()))
679 return null;
680 return TypeAnnotationParser.buildAnnotatedType(getTypeAnnotationBytes0(),
681 SharedSecrets.getJavaLangAccess().
682 getConstantPool(getDeclaringClass()),
683 this,
684 getDeclaringClass(),
685 getDeclaringClass(),
686 TypeAnnotation.TypeAnnotationTarget.METHOD_RECEIVER);
687 }
688
689 /**
690 * Returns an array of {@code AnnotatedType} objects that represent the use
691 * of types to specify formal parameter types of the method/constructor
692 * represented by this Executable. The order of the objects in the array
693 * corresponds to the order of the formal parameter types in the
694 * declaration of the method/constructor.
695 *
696 * Returns an array of length 0 if the method/constructor declares no
697 * parameters.
698 *
699 * @return an array of objects representing the types of the
700 * formal parameters of the method or constructor represented by this
701 * {@code Executable}
702 */
703 public AnnotatedType[] getAnnotatedParameterTypes() {
704 return TypeAnnotationParser.buildAnnotatedTypes(getTypeAnnotationBytes0(),
705 SharedSecrets.getJavaLangAccess().
706 getConstantPool(getDeclaringClass()),
707 this,
708 getDeclaringClass(),
709 getAllGenericParameterTypes(),
710 TypeAnnotation.TypeAnnotationTarget.METHOD_FORMAL_PARAMETER);
711 }
712
713 /**
714 * Returns an array of {@code AnnotatedType} objects that represent the use
715 * of types to specify the declared exceptions of the method/constructor
716 * represented by this Executable. The order of the objects in the array
717 * corresponds to the order of the exception types in the declaration of
718 * the method/constructor.
719 *
720 * Returns an array of length 0 if the method/constructor declares no
721 * exceptions.
722 *
723 * @return an array of objects representing the declared
724 * exceptions of the method or constructor represented by this {@code
725 * Executable}
726 */
727 public AnnotatedType[] getAnnotatedExceptionTypes() {
728 return TypeAnnotationParser.buildAnnotatedTypes(getTypeAnnotationBytes0(),
729 SharedSecrets.getJavaLangAccess().
730 getConstantPool(getDeclaringClass()),
731 this,
732 getDeclaringClass(),
733 getGenericExceptionTypes(),
734 TypeAnnotation.TypeAnnotationTarget.THROWS);
735 }
736
737 }