2
* Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
3
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.
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).
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.
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
28
import java.lang.reflect.Array;
29
import java.lang.reflect.GenericArrayType;
30
import java.lang.reflect.Member;
31
import java.lang.reflect.Field;
32
import java.lang.reflect.Method;
33
import java.lang.reflect.Constructor;
34
import java.lang.reflect.GenericDeclaration;
35
import java.lang.reflect.Modifier;
36
import java.lang.reflect.Type;
37
import java.lang.reflect.TypeVariable;
38
import java.lang.reflect.InvocationTargetException;
39
import java.lang.ref.SoftReference;
40
import java.io.InputStream;
41
import java.io.ObjectStreamField;
42
import java.security.AccessController;
43
import java.security.PrivilegedAction;
44
import java.util.ArrayList;
45
import java.util.Arrays;
46
import java.util.Collection;
47
import java.util.HashSet;
48
import java.util.Iterator;
49
import java.util.List;
50
import java.util.LinkedList;
51
import java.util.LinkedHashSet;
54
import java.util.HashMap;
55
import sun.misc.Unsafe;
56
import sun.reflect.ConstantPool;
57
import sun.reflect.Reflection;
58
import sun.reflect.ReflectionFactory;
59
import sun.reflect.SignatureIterator;
60
import sun.reflect.generics.factory.CoreReflectionFactory;
61
import sun.reflect.generics.factory.GenericsFactory;
62
import sun.reflect.generics.repository.ClassRepository;
63
import sun.reflect.generics.repository.MethodRepository;
64
import sun.reflect.generics.repository.ConstructorRepository;
65
import sun.reflect.generics.scope.ClassScope;
66
import sun.security.util.SecurityConstants;
67
import java.lang.annotation.Annotation;
68
import sun.reflect.annotation.AnnotationType;
69
import cli.System.Runtime.Serialization.IObjectReference;
70
import cli.System.Runtime.Serialization.SerializationException;
71
import cli.System.Runtime.Serialization.SerializationInfo;
72
import cli.System.Runtime.Serialization.StreamingContext;
74
@cli.System.SerializableAttribute.Annotation
75
final class ClassSerializationProxy implements IObjectReference
77
private cli.System.Type type;
80
@cli.System.Security.SecurityCriticalAttribute.Annotation
81
public Object GetRealObject(StreamingContext context)
85
if (sig.length() == 1)
87
switch (sig.charAt(0))
92
return Character.TYPE;
110
if (sig.charAt(0) == 'L')
112
className = sig.substring(1, sig.length() - 1);
120
return Class.forName(className, false, Thread.currentThread().getContextClassLoader());
122
catch (ClassNotFoundException x)
124
ikvm.runtime.Util.throwException(new SerializationException(x.getMessage(), x));
127
return ikvm.runtime.Util.getClassFromTypeHandle(type.get_TypeHandle());
132
* Instances of the class {@code Class} represent classes and
133
* interfaces in a running Java application. An enum is a kind of
134
* class and an annotation is a kind of interface. Every array also
135
* belongs to a class that is reflected as a {@code Class} object
136
* that is shared by all arrays with the same element type and number
137
* of dimensions. The primitive Java types ({@code boolean},
138
* {@code byte}, {@code char}, {@code short},
139
* {@code int}, {@code long}, {@code float}, and
140
* {@code double}), and the keyword {@code void} are also
141
* represented as {@code Class} objects.
143
* <p> {@code Class} has no public constructor. Instead {@code Class}
144
* objects are constructed automatically by the Java Virtual Machine as classes
145
* are loaded and by calls to the {@code defineClass} method in the class
148
* <p> The following example uses a {@code Class} object to print the
149
* class name of an object:
151
* <p> <blockquote><pre>
152
* void printClassName(Object obj) {
153
* System.out.println("The class of " + obj +
154
* " is " + obj.getClass().getName());
156
* </pre></blockquote>
158
* <p> It is also possible to get the {@code Class} object for a named
159
* type (or for void) using a class literal. See Section 15.8.2 of
160
* <cite>The Java™ Language Specification</cite>.
164
* {@code System.out.println("The name of class Foo is: "+Foo.class.getName());}
167
* @param <T> the type of the class modeled by this {@code Class}
168
* object. For example, the type of {@code String.class} is {@code
169
* Class<String>}. Use {@code Class<?>} if the class being modeled is
173
* @see java.lang.ClassLoader#defineClass(byte[], int, int)
176
@cli.System.SerializableAttribute.Annotation
178
class Class<T> implements java.io.Serializable,
179
java.lang.reflect.GenericDeclaration,
180
java.lang.reflect.Type,
181
java.lang.reflect.AnnotatedElement {
182
private static final int ANNOTATION= 0x00002000;
183
private static final int ENUM = 0x00004000;
184
private static final int SYNTHETIC = 0x00001000;
186
// [IKVM] additional fields
187
java.security.ProtectionDomain pd;
190
// For types that live in a static .NET assembly (i.e. ikvmc compiled or .NET types)
191
// this field contains the type (used for .NET serialization of Class objects).
192
// This field is also used by fast class literals to remember the type that can then
193
// lazily be resolved to the corresponding TypeWrapper.
194
// For dynamically loaded classes and primitives it is null.
195
final cli.System.Type type;
198
* Constructor. Only the Java Virtual Machine creates Class
203
// this constructor is not used, but exists for compatibility
204
// (otherwise it would look as if this class doesn't have a constructor, which might break some code)
205
throw new InternalError();
208
@cli.IKVM.Attributes.HideFromJavaAttribute.Annotation
209
Class(cli.System.Type type)
214
// We use custom serialization, because we want to deserialize a via proxy that properly resolves the Class singletons.
215
// Note that we don't implement ISerializable in this source, but in map.xml to avoid it being visible to Java code.
216
// We don't have a security demand, because the information exposed is harmless.
217
@cli.IKVM.Attributes.HideFromJavaAttribute.Annotation
218
@cli.System.Security.SecurityCriticalAttribute.Annotation
219
public void GetObjectData(SerializationInfo info, StreamingContext context)
221
info.AddValue("type", type);
222
info.AddValue("sig", type == null ? getSigName() : null);
223
info.SetType(ikvm.runtime.Util.getInstanceTypeFromClass(ClassSerializationProxy.class));
226
private native String getSigName();
228
// [IKVM] this provides an implicit conversion operator from System.Type to java.lang.Class
229
@cli.System.Runtime.CompilerServices.SpecialNameAttribute.Annotation
230
@cli.IKVM.Attributes.HideFromJavaAttribute.Annotation
231
public static Class op_Implicit(cli.System.Type type)
233
return ikvm.runtime.Util.getFriendlyClassFromType(type);
237
* Converts the object to a string. The string representation is the
238
* string "class" or "interface", followed by a space, and then by the
239
* fully qualified name of the class in the format returned by
240
* {@code getName}. If this {@code Class} object represents a
241
* primitive type, this method returns the name of the primitive type. If
242
* this {@code Class} object represents void this method returns
245
* @return a string representation of this class object.
247
public String toString() {
248
return (isInterface() ? "interface " : (isPrimitive() ? "" : "class "))
254
* Returns the {@code Class} object associated with the class or
255
* interface with the given string name. Invoking this method is
259
* {@code Class.forName(className, true, currentLoader)}
262
* where {@code currentLoader} denotes the defining class loader of
265
* <p> For example, the following code fragment returns the
266
* runtime {@code Class} descriptor for the class named
267
* {@code java.lang.Thread}:
270
* {@code Class t = Class.forName("java.lang.Thread")}
273
* A call to {@code forName("X")} causes the class named
274
* {@code X} to be initialized.
276
* @param className the fully qualified name of the desired class.
277
* @return the {@code Class} object for the class with the
279
* @exception LinkageError if the linkage fails
280
* @exception ExceptionInInitializerError if the initialization provoked
281
* by this method fails
282
* @exception ClassNotFoundException if the class cannot be located
284
@ikvm.internal.HasCallerID
285
public static Class<?> forName(String className)
286
throws ClassNotFoundException {
287
return forName0(className, true, ClassLoader.getCallerClassLoader());
292
* Returns the {@code Class} object associated with the class or
293
* interface with the given string name, using the given class loader.
294
* Given the fully qualified name for a class or interface (in the same
295
* format returned by {@code getName}) this method attempts to
296
* locate, load, and link the class or interface. The specified class
297
* loader is used to load the class or interface. If the parameter
298
* {@code loader} is null, the class is loaded through the bootstrap
299
* class loader. The class is initialized only if the
300
* {@code initialize} parameter is {@code true} and if it has
301
* not been initialized earlier.
303
* <p> If {@code name} denotes a primitive type or void, an attempt
304
* will be made to locate a user-defined class in the unnamed package whose
305
* name is {@code name}. Therefore, this method cannot be used to
306
* obtain any of the {@code Class} objects representing primitive
309
* <p> If {@code name} denotes an array class, the component type of
310
* the array class is loaded but not initialized.
312
* <p> For example, in an instance method the expression:
315
* {@code Class.forName("Foo")}
321
* {@code Class.forName("Foo", true, this.getClass().getClassLoader())}
324
* Note that this method throws errors related to loading, linking or
325
* initializing as specified in Sections 12.2, 12.3 and 12.4 of <em>The
326
* Java Language Specification</em>.
327
* Note that this method does not check whether the requested class
328
* is accessible to its caller.
330
* <p> If the {@code loader} is {@code null}, and a security
331
* manager is present, and the caller's class loader is not null, then this
332
* method calls the security manager's {@code checkPermission} method
333
* with a {@code RuntimePermission("getClassLoader")} permission to
334
* ensure it's ok to access the bootstrap class loader.
336
* @param name fully qualified name of the desired class
337
* @param initialize whether the class must be initialized
338
* @param loader class loader from which the class must be loaded
339
* @return class object representing the desired class
341
* @exception LinkageError if the linkage fails
342
* @exception ExceptionInInitializerError if the initialization provoked
343
* by this method fails
344
* @exception ClassNotFoundException if the class cannot be located by
345
* the specified class loader
347
* @see java.lang.Class#forName(String)
348
* @see java.lang.ClassLoader
351
@ikvm.internal.HasCallerID
352
public static Class<?> forName(String name, boolean initialize,
354
throws ClassNotFoundException
356
if (loader == null) {
357
SecurityManager sm = System.getSecurityManager();
359
ClassLoader ccl = ClassLoader.getCallerClassLoader();
362
SecurityConstants.GET_CLASSLOADER_PERMISSION);
366
return forName0(name, initialize, loader);
369
/** Called after security checks have been made. */
370
private static native Class<?> forName0(String name, boolean initialize,
372
throws ClassNotFoundException;
375
* Creates a new instance of the class represented by this {@code Class}
376
* object. The class is instantiated as if by a {@code new}
377
* expression with an empty argument list. The class is initialized if it
378
* has not already been initialized.
380
* <p>Note that this method propagates any exception thrown by the
381
* nullary constructor, including a checked exception. Use of
382
* this method effectively bypasses the compile-time exception
383
* checking that would otherwise be performed by the compiler.
385
* java.lang.reflect.Constructor#newInstance(java.lang.Object...)
386
* Constructor.newInstance} method avoids this problem by wrapping
387
* any exception thrown by the constructor in a (checked) {@link
388
* java.lang.reflect.InvocationTargetException}.
390
* @return a newly allocated instance of the class represented by this
392
* @exception IllegalAccessException if the class or its nullary
393
* constructor is not accessible.
394
* @exception InstantiationException
395
* if this {@code Class} represents an abstract class,
396
* an interface, an array class, a primitive type, or void;
397
* or if the class has no nullary constructor;
398
* or if the instantiation fails for some other reason.
399
* @exception ExceptionInInitializerError if the initialization
400
* provoked by this method fails.
401
* @exception SecurityException
402
* If a security manager, <i>s</i>, is present and any of the
403
* following conditions is met:
408
* {@link SecurityManager#checkMemberAccess
409
* s.checkMemberAccess(this, Member.PUBLIC)} denies
410
* creation of new instances of this class
412
* <li> the caller's class loader is not the same as or an
413
* ancestor of the class loader for the current class and
414
* invocation of {@link SecurityManager#checkPackageAccess
415
* s.checkPackageAccess()} denies access to the package
421
@ikvm.internal.HasCallerID
422
public T newInstance()
423
throws InstantiationException, IllegalAccessException
425
if (System.getSecurityManager() != null) {
426
checkMemberAccess(Member.PUBLIC, ClassLoader.getCallerClassLoader());
428
return newInstance0(ikvm.internal.CallerID.getCallerID());
431
private T newInstance0(ikvm.internal.CallerID callerID)
432
throws InstantiationException, IllegalAccessException
434
// NOTE: the following code may not be strictly correct under
435
// the current Java memory model.
437
// Constructor lookup
438
if (cachedConstructor == null) {
439
if (this == Class.class) {
440
throw new IllegalAccessException(
441
"Can not call newInstance() on the Class for java.lang.Class"
445
Class<?>[] empty = {};
446
final Constructor<T> c = getConstructor0(empty, Member.DECLARED);
447
// Disable accessibility checks on the constructor
448
// since we have to do the security check here anyway
449
// (the stack depth is wrong for the Constructor's
450
// security check to work)
451
java.security.AccessController.doPrivileged(
452
new java.security.PrivilegedAction<Void>() {
454
c.setAccessible(true);
458
cachedConstructor = c;
459
} catch (NoSuchMethodException e) {
460
throw new InstantiationException(getName());
463
Constructor<T> tmpConstructor = cachedConstructor;
464
// Security check (same as in java.lang.reflect.Constructor)
465
int modifiers = tmpConstructor.getModifiers();
466
if (!Reflection.quickCheckMemberAccess(this, modifiers)) {
467
Class<?> caller = callerID.getCallerClass();
468
if (newInstanceCallerCache != caller) {
469
Reflection.ensureMemberAccess(caller, this, null, modifiers);
470
newInstanceCallerCache = caller;
475
return tmpConstructor.newInstance((Object[])null);
476
} catch (InvocationTargetException e) {
477
Unsafe.getUnsafe().throwException(e.getTargetException());
482
private volatile transient Constructor<T> cachedConstructor;
483
private volatile transient Class<?> newInstanceCallerCache;
487
* Determines if the specified {@code Object} is assignment-compatible
488
* with the object represented by this {@code Class}. This method is
489
* the dynamic equivalent of the Java language {@code instanceof}
490
* operator. The method returns {@code true} if the specified
491
* {@code Object} argument is non-null and can be cast to the
492
* reference type represented by this {@code Class} object without
493
* raising a {@code ClassCastException.} It returns {@code false}
496
* <p> Specifically, if this {@code Class} object represents a
497
* declared class, this method returns {@code true} if the specified
498
* {@code Object} argument is an instance of the represented class (or
499
* of any of its subclasses); it returns {@code false} otherwise. If
500
* this {@code Class} object represents an array class, this method
501
* returns {@code true} if the specified {@code Object} argument
502
* can be converted to an object of the array class by an identity
503
* conversion or by a widening reference conversion; it returns
504
* {@code false} otherwise. If this {@code Class} object
505
* represents an interface, this method returns {@code true} if the
506
* class or any superclass of the specified {@code Object} argument
507
* implements this interface; it returns {@code false} otherwise. If
508
* this {@code Class} object represents a primitive type, this method
509
* returns {@code false}.
511
* @param obj the object to check
512
* @return true if {@code obj} is an instance of this class
516
public native boolean isInstance(Object obj);
520
* Determines if the class or interface represented by this
521
* {@code Class} object is either the same as, or is a superclass or
522
* superinterface of, the class or interface represented by the specified
523
* {@code Class} parameter. It returns {@code true} if so;
524
* otherwise it returns {@code false}. If this {@code Class}
525
* object represents a primitive type, this method returns
526
* {@code true} if the specified {@code Class} parameter is
527
* exactly this {@code Class} object; otherwise it returns
530
* <p> Specifically, this method tests whether the type represented by the
531
* specified {@code Class} parameter can be converted to the type
532
* represented by this {@code Class} object via an identity conversion
533
* or via a widening reference conversion. See <em>The Java Language
534
* Specification</em>, sections 5.1.1 and 5.1.4 , for details.
536
* @param cls the {@code Class} object to be checked
537
* @return the {@code boolean} value indicating whether objects of the
538
* type {@code cls} can be assigned to objects of this class
539
* @exception NullPointerException if the specified Class parameter is
543
public native boolean isAssignableFrom(Class<?> cls);
547
* Determines if the specified {@code Class} object represents an
550
* @return {@code true} if this object represents an interface;
551
* {@code false} otherwise.
553
public native boolean isInterface();
557
* Determines if this {@code Class} object represents an array class.
559
* @return {@code true} if this object represents an array class;
560
* {@code false} otherwise.
563
public native boolean isArray();
567
* Determines if the specified {@code Class} object represents a
570
* <p> There are nine predefined {@code Class} objects to represent
571
* the eight primitive types and void. These are created by the Java
572
* Virtual Machine, and have the same names as the primitive types that
573
* they represent, namely {@code boolean}, {@code byte},
574
* {@code char}, {@code short}, {@code int},
575
* {@code long}, {@code float}, and {@code double}.
577
* <p> These objects may only be accessed via the following public static
578
* final variables, and are the only {@code Class} objects for which
579
* this method returns {@code true}.
581
* @return true if and only if this class represents a primitive type
583
* @see java.lang.Boolean#TYPE
584
* @see java.lang.Character#TYPE
585
* @see java.lang.Byte#TYPE
586
* @see java.lang.Short#TYPE
587
* @see java.lang.Integer#TYPE
588
* @see java.lang.Long#TYPE
589
* @see java.lang.Float#TYPE
590
* @see java.lang.Double#TYPE
591
* @see java.lang.Void#TYPE
594
public native boolean isPrimitive();
597
* Returns true if this {@code Class} object represents an annotation
598
* type. Note that if this method returns true, {@link #isInterface()}
599
* would also return true, as all annotation types are also interfaces.
601
* @return {@code true} if this class object represents an annotation
602
* type; {@code false} otherwise
605
public boolean isAnnotation() {
606
return (getModifiers() & ANNOTATION) != 0;
610
* Returns {@code true} if this class is a synthetic class;
611
* returns {@code false} otherwise.
612
* @return {@code true} if and only if this class is a synthetic class as
613
* defined by the Java Language Specification.
616
public boolean isSynthetic() {
617
return (getModifiers() & SYNTHETIC) != 0;
621
* Returns the name of the entity (class, interface, array class,
622
* primitive type, or void) represented by this {@code Class} object,
623
* as a {@code String}.
625
* <p> If this class object represents a reference type that is not an
626
* array type then the binary name of the class is returned, as specified
628
* <cite>The Java™ Language Specification</cite>.
630
* <p> If this class object represents a primitive type or void, then the
631
* name returned is a {@code String} equal to the Java language
632
* keyword corresponding to the primitive type or void.
634
* <p> If this class object represents a class of arrays, then the internal
635
* form of the name consists of the name of the element type preceded by
636
* one or more '{@code [}' characters representing the depth of the array
637
* nesting. The encoding of element type names is as follows:
639
* <blockquote><table summary="Element types and encodings">
640
* <tr><th> Element Type <th> <th> Encoding
641
* <tr><td> boolean <td> <td align=center> Z
642
* <tr><td> byte <td> <td align=center> B
643
* <tr><td> char <td> <td align=center> C
644
* <tr><td> class or interface
645
* <td> <td align=center> L<i>classname</i>;
646
* <tr><td> double <td> <td align=center> D
647
* <tr><td> float <td> <td align=center> F
648
* <tr><td> int <td> <td align=center> I
649
* <tr><td> long <td> <td align=center> J
650
* <tr><td> short <td> <td align=center> S
651
* </table></blockquote>
653
* <p> The class or interface name <i>classname</i> is the binary name of
654
* the class specified above.
658
* String.class.getName()
659
* returns "java.lang.String"
660
* byte.class.getName()
662
* (new Object[3]).getClass().getName()
663
* returns "[Ljava.lang.Object;"
664
* (new int[3][4][5][6][7][8][9]).getClass().getName()
666
* </pre></blockquote>
668
* @return the name of the class or interface
669
* represented by this object.
671
public String getName() {
672
String name = this.name;
674
this.name = name = getName0();
678
// cache the name to reduce the number of calls into the VM
679
private transient String name;
680
private native String getName0();
683
* Returns the class loader for the class. Some implementations may use
684
* null to represent the bootstrap class loader. This method will return
685
* null in such implementations if this class was loaded by the bootstrap
688
* <p> If a security manager is present, and the caller's class loader is
689
* not null and the caller's class loader is not the same as or an ancestor of
690
* the class loader for the class whose class loader is requested, then
691
* this method calls the security manager's {@code checkPermission}
692
* method with a {@code RuntimePermission("getClassLoader")}
693
* permission to ensure it's ok to access the class loader for the class.
696
* represents a primitive type or void, null is returned.
698
* @return the class loader that loaded the class or interface
699
* represented by this object.
700
* @throws SecurityException
701
* if a security manager exists and its
702
* {@code checkPermission} method denies
703
* access to the class loader for the class.
704
* @see java.lang.ClassLoader
705
* @see SecurityManager#checkPermission
706
* @see java.lang.RuntimePermission
708
@ikvm.internal.HasCallerID
709
public ClassLoader getClassLoader() {
710
ClassLoader cl = getClassLoader0();
713
SecurityManager sm = System.getSecurityManager();
715
ClassLoader ccl = ClassLoader.getCallerClassLoader();
716
if (ccl != null && ccl != cl && !cl.isAncestor(ccl)) {
717
sm.checkPermission(SecurityConstants.GET_CLASSLOADER_PERMISSION);
723
// Package-private to allow ClassLoader access
724
native ClassLoader getClassLoader0();
728
* Returns an array of {@code TypeVariable} objects that represent the
729
* type variables declared by the generic declaration represented by this
730
* {@code GenericDeclaration} object, in declaration order. Returns an
731
* array of length 0 if the underlying generic declaration declares no type
734
* @return an array of {@code TypeVariable} objects that represent
735
* the type variables declared by this generic declaration
736
* @throws java.lang.reflect.GenericSignatureFormatError if the generic
737
* signature of this generic declaration does not conform to
738
* the format specified in
739
* <cite>The Java™ Virtual Machine Specification</cite>
742
public TypeVariable<Class<T>>[] getTypeParameters() {
743
if (getGenericSignature() != null)
744
return (TypeVariable<Class<T>>[])getGenericInfo().getTypeParameters();
746
return (TypeVariable<Class<T>>[])new TypeVariable<?>[0];
751
* Returns the {@code Class} representing the superclass of the entity
752
* (class, interface, primitive type or void) represented by this
753
* {@code Class}. If this {@code Class} represents either the
754
* {@code Object} class, an interface, a primitive type, or void, then
755
* null is returned. If this object represents an array class then the
756
* {@code Class} object representing the {@code Object} class is
759
* @return the superclass of the class represented by this object.
761
public native Class<? super T> getSuperclass();
765
* Returns the {@code Type} representing the direct superclass of
766
* the entity (class, interface, primitive type or void) represented by
767
* this {@code Class}.
769
* <p>If the superclass is a parameterized type, the {@code Type}
770
* object returned must accurately reflect the actual type
771
* parameters used in the source code. The parameterized type
772
* representing the superclass is created if it had not been
773
* created before. See the declaration of {@link
774
* java.lang.reflect.ParameterizedType ParameterizedType} for the
775
* semantics of the creation process for parameterized types. If
776
* this {@code Class} represents either the {@code Object}
777
* class, an interface, a primitive type, or void, then null is
778
* returned. If this object represents an array class then the
779
* {@code Class} object representing the {@code Object} class is
782
* @throws java.lang.reflect.GenericSignatureFormatError if the generic
783
* class signature does not conform to the format specified in
784
* <cite>The Java™ Virtual Machine Specification</cite>
785
* @throws TypeNotPresentException if the generic superclass
786
* refers to a non-existent type declaration
787
* @throws java.lang.reflect.MalformedParameterizedTypeException if the
788
* generic superclass refers to a parameterized type that cannot be
789
* instantiated for any reason
790
* @return the superclass of the class represented by this object
793
public Type getGenericSuperclass() {
794
if (getGenericSignature() != null) {
795
// Historical irregularity:
796
// Generic signature marks interfaces with superclass = Object
797
// but this API returns null for interfaces
800
return getGenericInfo().getSuperclass();
802
return getSuperclass();
806
* Gets the package for this class. The class loader of this class is used
807
* to find the package. If the class was loaded by the bootstrap class
808
* loader the set of packages loaded from CLASSPATH is searched to find the
809
* package of the class. Null is returned if no package object was created
810
* by the class loader of this class.
812
* <p> Packages have attributes for versions and specifications only if the
813
* information was defined in the manifests that accompany the classes, and
814
* if the class loader created the package instance with the attributes
817
* @return the package of the class, or null if no package
818
* information is available from the archive or codebase.
820
public Package getPackage() {
821
return Package.getPackage(this);
826
* Determines the interfaces implemented by the class or interface
827
* represented by this object.
829
* <p> If this object represents a class, the return value is an array
830
* containing objects representing all interfaces implemented by the
831
* class. The order of the interface objects in the array corresponds to
832
* the order of the interface names in the {@code implements} clause
833
* of the declaration of the class represented by this object. For
834
* example, given the declaration:
836
* {@code class Shimmer implements FloorWax, DessertTopping { ... }}
838
* suppose the value of {@code s} is an instance of
839
* {@code Shimmer}; the value of the expression:
841
* {@code s.getClass().getInterfaces()[0]}
843
* is the {@code Class} object that represents interface
844
* {@code FloorWax}; and the value of:
846
* {@code s.getClass().getInterfaces()[1]}
848
* is the {@code Class} object that represents interface
849
* {@code DessertTopping}.
851
* <p> If this object represents an interface, the array contains objects
852
* representing all interfaces extended by the interface. The order of the
853
* interface objects in the array corresponds to the order of the interface
854
* names in the {@code extends} clause of the declaration of the
855
* interface represented by this object.
857
* <p> If this object represents a class or interface that implements no
858
* interfaces, the method returns an array of length 0.
860
* <p> If this object represents a primitive type or void, the method
861
* returns an array of length 0.
863
* @return an array of interfaces implemented by this class.
865
public native Class<?>[] getInterfaces();
868
* Returns the {@code Type}s representing the interfaces
869
* directly implemented by the class or interface represented by
872
* <p>If a superinterface is a parameterized type, the
873
* {@code Type} object returned for it must accurately reflect
874
* the actual type parameters used in the source code. The
875
* parameterized type representing each superinterface is created
876
* if it had not been created before. See the declaration of
877
* {@link java.lang.reflect.ParameterizedType ParameterizedType}
878
* for the semantics of the creation process for parameterized
881
* <p> If this object represents a class, the return value is an
882
* array containing objects representing all interfaces
883
* implemented by the class. The order of the interface objects in
884
* the array corresponds to the order of the interface names in
885
* the {@code implements} clause of the declaration of the class
886
* represented by this object. In the case of an array class, the
887
* interfaces {@code Cloneable} and {@code Serializable} are
888
* returned in that order.
890
* <p>If this object represents an interface, the array contains
891
* objects representing all interfaces directly extended by the
892
* interface. The order of the interface objects in the array
893
* corresponds to the order of the interface names in the
894
* {@code extends} clause of the declaration of the interface
895
* represented by this object.
897
* <p>If this object represents a class or interface that
898
* implements no interfaces, the method returns an array of length
901
* <p>If this object represents a primitive type or void, the
902
* method returns an array of length 0.
904
* @throws java.lang.reflect.GenericSignatureFormatError
905
* if the generic class signature does not conform to the format
907
* <cite>The Java™ Virtual Machine Specification</cite>
908
* @throws TypeNotPresentException if any of the generic
909
* superinterfaces refers to a non-existent type declaration
910
* @throws java.lang.reflect.MalformedParameterizedTypeException
911
* if any of the generic superinterfaces refer to a parameterized
912
* type that cannot be instantiated for any reason
913
* @return an array of interfaces implemented by this class
916
public Type[] getGenericInterfaces() {
917
if (getGenericSignature() != null)
918
return getGenericInfo().getSuperInterfaces();
920
return getInterfaces();
925
* Returns the {@code Class} representing the component type of an
926
* array. If this class does not represent an array class this method
929
* @return the {@code Class} representing the component type of this
930
* class if this class is an array
931
* @see java.lang.reflect.Array
934
public native Class<?> getComponentType();
938
* Returns the Java language modifiers for this class or interface, encoded
939
* in an integer. The modifiers consist of the Java Virtual Machine's
940
* constants for {@code public}, {@code protected},
941
* {@code private}, {@code final}, {@code static},
942
* {@code abstract} and {@code interface}; they should be decoded
943
* using the methods of class {@code Modifier}.
945
* <p> If the underlying class is an array class, then its
946
* {@code public}, {@code private} and {@code protected}
947
* modifiers are the same as those of its component type. If this
948
* {@code Class} represents a primitive type or void, its
949
* {@code public} modifier is always {@code true}, and its
950
* {@code protected} and {@code private} modifiers are always
951
* {@code false}. If this object represents an array class, a
952
* primitive type or void, then its {@code final} modifier is always
953
* {@code true} and its interface modifier is always
954
* {@code false}. The values of its other modifiers are not determined
955
* by this specification.
957
* <p> The modifier encodings are defined in <em>The Java Virtual Machine
958
* Specification</em>, table 4.1.
960
* @return the {@code int} representing the modifiers for this class
961
* @see java.lang.reflect.Modifier
964
public native int getModifiers();
968
* Gets the signers of this class.
970
* @return the signers of this class, or null if there are no signers. In
971
* particular, this method returns null if this object represents
972
* a primitive type or void.
975
public native Object[] getSigners();
979
* Set the signers of this class.
981
native void setSigners(Object[] signers);
985
* If this {@code Class} object represents a local or anonymous
986
* class within a method, returns a {@link
987
* java.lang.reflect.Method Method} object representing the
988
* immediately enclosing method of the underlying class. Returns
989
* {@code null} otherwise.
991
* In particular, this method returns {@code null} if the underlying
992
* class is a local or anonymous class immediately enclosed by a type
993
* declaration, instance initializer or static initializer.
995
* @return the immediately enclosing method of the underlying class, if
996
* that class is a local or anonymous class; otherwise {@code null}.
999
public Method getEnclosingMethod() {
1000
EnclosingMethodInfo enclosingInfo = getEnclosingMethodInfo();
1002
if (enclosingInfo == null)
1005
if (!enclosingInfo.isMethod())
1008
MethodRepository typeInfo = MethodRepository.make(enclosingInfo.getDescriptor(),
1010
Class<?> returnType = toClass(typeInfo.getReturnType());
1011
Type [] parameterTypes = typeInfo.getParameterTypes();
1012
Class<?>[] parameterClasses = new Class<?>[parameterTypes.length];
1014
// Convert Types to Classes; returned types *should*
1015
// be class objects since the methodDescriptor's used
1016
// don't have generics information
1017
for(int i = 0; i < parameterClasses.length; i++)
1018
parameterClasses[i] = toClass(parameterTypes[i]);
1021
* Loop over all declared methods; match method name,
1022
* number of and type of parameters, *and* return
1023
* type. Matching return type is also necessary
1024
* because of covariant returns, etc.
1026
for(Method m: enclosingInfo.getEnclosingClass().getDeclaredMethods()) {
1027
if (m.getName().equals(enclosingInfo.getName()) ) {
1028
Class<?>[] candidateParamClasses = m.getParameterTypes();
1029
if (candidateParamClasses.length == parameterClasses.length) {
1030
boolean matches = true;
1031
for(int i = 0; i < candidateParamClasses.length; i++) {
1032
if (!candidateParamClasses[i].equals(parameterClasses[i])) {
1038
if (matches) { // finally, check return type
1039
if (m.getReturnType().equals(returnType) )
1046
throw new InternalError("Enclosing method not found");
1050
private native Object[] getEnclosingMethod0();
1052
private EnclosingMethodInfo getEnclosingMethodInfo() {
1053
Object[] enclosingInfo = getEnclosingMethod0();
1054
if (enclosingInfo == null)
1057
return new EnclosingMethodInfo(enclosingInfo);
1061
private final static class EnclosingMethodInfo {
1062
private Class<?> enclosingClass;
1063
private String name;
1064
private String descriptor;
1066
private EnclosingMethodInfo(Object[] enclosingInfo) {
1067
if (enclosingInfo.length != 3)
1068
throw new InternalError("Malformed enclosing method information");
1070
// The array is expected to have three elements:
1072
// the immediately enclosing class
1073
enclosingClass = (Class<?>) enclosingInfo[0];
1074
assert(enclosingClass != null);
1076
// the immediately enclosing method or constructor's
1077
// name (can be null).
1078
name = (String) enclosingInfo[1];
1080
// the immediately enclosing method or constructor's
1081
// descriptor (null iff name is).
1082
descriptor = (String) enclosingInfo[2];
1083
assert((name != null && descriptor != null) || name == descriptor);
1084
} catch (ClassCastException cce) {
1085
throw new InternalError("Invalid type in enclosing method information");
1089
boolean isPartial() {
1090
return enclosingClass == null || name == null || descriptor == null;
1093
boolean isConstructor() { return !isPartial() && "<init>".equals(name); }
1095
boolean isMethod() { return !isPartial() && !isConstructor() && !"<clinit>".equals(name); }
1097
Class<?> getEnclosingClass() { return enclosingClass; }
1099
String getName() { return name; }
1101
String getDescriptor() { return descriptor; }
1105
private static Class<?> toClass(Type o) {
1106
if (o instanceof GenericArrayType)
1107
return Array.newInstance(toClass(((GenericArrayType)o).getGenericComponentType()),
1114
* If this {@code Class} object represents a local or anonymous
1115
* class within a constructor, returns a {@link
1116
* java.lang.reflect.Constructor Constructor} object representing
1117
* the immediately enclosing constructor of the underlying
1118
* class. Returns {@code null} otherwise. In particular, this
1119
* method returns {@code null} if the underlying class is a local
1120
* or anonymous class immediately enclosed by a type declaration,
1121
* instance initializer or static initializer.
1123
* @return the immediately enclosing constructor of the underlying class, if
1124
* that class is a local or anonymous class; otherwise {@code null}.
1127
public Constructor<?> getEnclosingConstructor() {
1128
EnclosingMethodInfo enclosingInfo = getEnclosingMethodInfo();
1130
if (enclosingInfo == null)
1133
if (!enclosingInfo.isConstructor())
1136
ConstructorRepository typeInfo = ConstructorRepository.make(enclosingInfo.getDescriptor(),
1138
Type [] parameterTypes = typeInfo.getParameterTypes();
1139
Class<?>[] parameterClasses = new Class<?>[parameterTypes.length];
1141
// Convert Types to Classes; returned types *should*
1142
// be class objects since the methodDescriptor's used
1143
// don't have generics information
1144
for(int i = 0; i < parameterClasses.length; i++)
1145
parameterClasses[i] = toClass(parameterTypes[i]);
1148
* Loop over all declared constructors; match number
1149
* of and type of parameters.
1151
for(Constructor<?> c: enclosingInfo.getEnclosingClass().getDeclaredConstructors()) {
1152
Class<?>[] candidateParamClasses = c.getParameterTypes();
1153
if (candidateParamClasses.length == parameterClasses.length) {
1154
boolean matches = true;
1155
for(int i = 0; i < candidateParamClasses.length; i++) {
1156
if (!candidateParamClasses[i].equals(parameterClasses[i])) {
1167
throw new InternalError("Enclosing constructor not found");
1173
* If the class or interface represented by this {@code Class} object
1174
* is a member of another class, returns the {@code Class} object
1175
* representing the class in which it was declared. This method returns
1176
* null if this class or interface is not a member of any other class. If
1177
* this {@code Class} object represents an array class, a primitive
1178
* type, or void,then this method returns null.
1180
* @return the declaring class for this class
1183
public native Class<?> getDeclaringClass();
1187
* Returns the immediately enclosing class of the underlying
1188
* class. If the underlying class is a top level class this
1189
* method returns {@code null}.
1190
* @return the immediately enclosing class of the underlying class
1193
public Class<?> getEnclosingClass() {
1194
// There are five kinds of classes (or interfaces):
1195
// a) Top level classes
1196
// b) Nested classes (static member classes)
1197
// c) Inner classes (non-static member classes)
1198
// d) Local classes (named classes declared within a method)
1199
// e) Anonymous classes
1202
// JVM Spec 4.8.6: A class must have an EnclosingMethod
1203
// attribute if and only if it is a local class or an
1205
EnclosingMethodInfo enclosingInfo = getEnclosingMethodInfo();
1207
if (enclosingInfo == null) {
1208
// This is a top level or a nested class or an inner class (a, b, or c)
1209
return getDeclaringClass();
1211
Class<?> enclosingClass = enclosingInfo.getEnclosingClass();
1212
// This is a local class or an anonymous class (d or e)
1213
if (enclosingClass == this || enclosingClass == null)
1214
throw new InternalError("Malformed enclosing method information");
1216
return enclosingClass;
1221
* Returns the simple name of the underlying class as given in the
1222
* source code. Returns an empty string if the underlying class is
1225
* <p>The simple name of an array is the simple name of the
1226
* component type with "[]" appended. In particular the simple
1227
* name of an array whose component type is anonymous is "[]".
1229
* @return the simple name of the underlying class
1232
public String getSimpleName() {
1234
return getComponentType().getSimpleName()+"[]";
1236
String simpleName = getSimpleBinaryName();
1237
if (simpleName == null) { // top level class
1238
simpleName = getName();
1239
return simpleName.substring(simpleName.lastIndexOf(".")+1); // strip the package name
1241
// According to JLS3 "Binary Compatibility" (13.1) the binary
1242
// name of non-package classes (not top level) is the binary
1243
// name of the immediately enclosing class followed by a '$' followed by:
1244
// (for nested and inner classes): the simple name.
1245
// (for local classes): 1 or more digits followed by the simple name.
1246
// (for anonymous classes): 1 or more digits.
1248
// Since getSimpleBinaryName() will strip the binary name of
1249
// the immediatly enclosing class, we are now looking at a
1250
// string that matches the regular expression "\$[0-9]*"
1251
// followed by a simple name (considering the simple of an
1252
// anonymous class to be the empty string).
1254
// Remove leading "\$[0-9]*" from the name
1255
int length = simpleName.length();
1256
if (length < 1 || simpleName.charAt(0) != '$')
1257
throw new InternalError("Malformed class name");
1259
while (index < length && isAsciiDigit(simpleName.charAt(index)))
1261
// Eventually, this is the empty string iff this is an anonymous class
1262
return simpleName.substring(index);
1266
* Character.isDigit answers {@code true} to some non-ascii
1267
* digits. This one does not.
1269
private static boolean isAsciiDigit(char c) {
1270
return '0' <= c && c <= '9';
1274
* Returns the canonical name of the underlying class as
1275
* defined by the Java Language Specification. Returns null if
1276
* the underlying class does not have a canonical name (i.e., if
1277
* it is a local or anonymous class or an array whose component
1278
* type does not have a canonical name).
1279
* @return the canonical name of the underlying class if it exists, and
1280
* {@code null} otherwise.
1283
public String getCanonicalName() {
1285
String canonicalName = getComponentType().getCanonicalName();
1286
if (canonicalName != null)
1287
return canonicalName + "[]";
1291
if (isLocalOrAnonymousClass())
1293
Class<?> enclosingClass = getEnclosingClass();
1294
if (enclosingClass == null) { // top level class
1297
String enclosingName = enclosingClass.getCanonicalName();
1298
if (enclosingName == null)
1300
return enclosingName + "." + getSimpleName();
1305
* Returns {@code true} if and only if the underlying class
1306
* is an anonymous class.
1308
* @return {@code true} if and only if this class is an anonymous class.
1311
public boolean isAnonymousClass() {
1312
return "".equals(getSimpleName());
1316
* Returns {@code true} if and only if the underlying class
1319
* @return {@code true} if and only if this class is a local class.
1322
public boolean isLocalClass() {
1323
return isLocalOrAnonymousClass() && !isAnonymousClass();
1327
* Returns {@code true} if and only if the underlying class
1328
* is a member class.
1330
* @return {@code true} if and only if this class is a member class.
1333
public boolean isMemberClass() {
1334
return getSimpleBinaryName() != null && !isLocalOrAnonymousClass();
1338
* Returns the "simple binary name" of the underlying class, i.e.,
1339
* the binary name without the leading enclosing class name.
1340
* Returns {@code null} if the underlying class is a top level
1343
private String getSimpleBinaryName() {
1344
Class<?> enclosingClass = getEnclosingClass();
1345
if (enclosingClass == null) // top level class
1347
// Otherwise, strip the enclosing class' name
1349
return getName().substring(enclosingClass.getName().length());
1350
} catch (IndexOutOfBoundsException ex) {
1351
throw new InternalError("Malformed class name");
1356
* Returns {@code true} if this is a local class or an anonymous
1357
* class. Returns {@code false} otherwise.
1359
private boolean isLocalOrAnonymousClass() {
1360
// JVM Spec 4.8.6: A class must have an EnclosingMethod
1361
// attribute if and only if it is a local class or an
1363
return getEnclosingMethodInfo() != null;
1367
* Returns an array containing {@code Class} objects representing all
1368
* the public classes and interfaces that are members of the class
1369
* represented by this {@code Class} object. This includes public
1370
* class and interface members inherited from superclasses and public class
1371
* and interface members declared by the class. This method returns an
1372
* array of length 0 if this {@code Class} object has no public member
1373
* classes or interfaces. This method also returns an array of length 0 if
1374
* this {@code Class} object represents a primitive type, an array
1377
* @return the array of {@code Class} objects representing the public
1378
* members of this class
1379
* @exception SecurityException
1380
* If a security manager, <i>s</i>, is present and any of the
1381
* following conditions is met:
1385
* <li> invocation of
1386
* {@link SecurityManager#checkMemberAccess
1387
* s.checkMemberAccess(this, Member.PUBLIC)} method
1388
* denies access to the classes within this class
1390
* <li> the caller's class loader is not the same as or an
1391
* ancestor of the class loader for the current class and
1392
* invocation of {@link SecurityManager#checkPackageAccess
1393
* s.checkPackageAccess()} denies access to the package
1400
@ikvm.internal.HasCallerID
1401
public Class<?>[] getClasses() {
1402
// be very careful not to change the stack depth of this
1403
// checkMemberAccess call for security reasons
1404
// see java.lang.SecurityManager.checkMemberAccess
1405
checkMemberAccess(Member.PUBLIC, ClassLoader.getCallerClassLoader());
1407
// Privileged so this implementation can look at DECLARED classes,
1408
// something the caller might not have privilege to do. The code here
1409
// is allowed to look at DECLARED classes because (1) it does not hand
1410
// out anything other than public members and (2) public member access
1411
// has already been ok'd by the SecurityManager.
1413
return java.security.AccessController.doPrivileged(
1414
new java.security.PrivilegedAction<Class<?>[]>() {
1415
public Class[] run() {
1416
List<Class<?>> list = new ArrayList<>();
1417
Class<?> currentClass = Class.this;
1418
while (currentClass != null) {
1419
Class<?>[] members = currentClass.getDeclaredClasses();
1420
for (int i = 0; i < members.length; i++) {
1421
if (Modifier.isPublic(members[i].getModifiers())) {
1422
list.add(members[i]);
1425
currentClass = currentClass.getSuperclass();
1427
return list.toArray(new Class[0]);
1434
* Returns an array containing {@code Field} objects reflecting all
1435
* the accessible public fields of the class or interface represented by
1436
* this {@code Class} object. The elements in the array returned are
1437
* not sorted and are not in any particular order. This method returns an
1438
* array of length 0 if the class or interface has no accessible public
1439
* fields, or if it represents an array class, a primitive type, or void.
1441
* <p> Specifically, if this {@code Class} object represents a class,
1442
* this method returns the public fields of this class and of all its
1443
* superclasses. If this {@code Class} object represents an
1444
* interface, this method returns the fields of this interface and of all
1445
* its superinterfaces.
1447
* <p> The implicit length field for array class is not reflected by this
1448
* method. User code should use the methods of class {@code Array} to
1449
* manipulate arrays.
1451
* <p> See <em>The Java Language Specification</em>, sections 8.2 and 8.3.
1453
* @return the array of {@code Field} objects representing the
1455
* @exception SecurityException
1456
* If a security manager, <i>s</i>, is present and any of the
1457
* following conditions is met:
1461
* <li> invocation of
1462
* {@link SecurityManager#checkMemberAccess
1463
* s.checkMemberAccess(this, Member.PUBLIC)} denies
1464
* access to the fields within this class
1466
* <li> the caller's class loader is not the same as or an
1467
* ancestor of the class loader for the current class and
1468
* invocation of {@link SecurityManager#checkPackageAccess
1469
* s.checkPackageAccess()} denies access to the package
1476
@ikvm.internal.HasCallerID
1477
public Field[] getFields() throws SecurityException {
1478
// be very careful not to change the stack depth of this
1479
// checkMemberAccess call for security reasons
1480
// see java.lang.SecurityManager.checkMemberAccess
1481
checkMemberAccess(Member.PUBLIC, ClassLoader.getCallerClassLoader());
1482
return copyFields(privateGetPublicFields(null));
1487
* Returns an array containing {@code Method} objects reflecting all
1488
* the public <em>member</em> methods of the class or interface represented
1489
* by this {@code Class} object, including those declared by the class
1490
* or interface and those inherited from superclasses and
1491
* superinterfaces. Array classes return all the (public) member methods
1492
* inherited from the {@code Object} class. The elements in the array
1493
* returned are not sorted and are not in any particular order. This
1494
* method returns an array of length 0 if this {@code Class} object
1495
* represents a class or interface that has no public member methods, or if
1496
* this {@code Class} object represents a primitive type or void.
1498
* <p> The class initialization method {@code <clinit>} is not
1499
* included in the returned array. If the class declares multiple public
1500
* member methods with the same parameter types, they are all included in
1501
* the returned array.
1503
* <p> See <em>The Java Language Specification</em>, sections 8.2 and 8.4.
1505
* @return the array of {@code Method} objects representing the
1506
* public methods of this class
1507
* @exception SecurityException
1508
* If a security manager, <i>s</i>, is present and any of the
1509
* following conditions is met:
1513
* <li> invocation of
1514
* {@link SecurityManager#checkMemberAccess
1515
* s.checkMemberAccess(this, Member.PUBLIC)} denies
1516
* access to the methods within this class
1518
* <li> the caller's class loader is not the same as or an
1519
* ancestor of the class loader for the current class and
1520
* invocation of {@link SecurityManager#checkPackageAccess
1521
* s.checkPackageAccess()} denies access to the package
1528
@ikvm.internal.HasCallerID
1529
public Method[] getMethods() throws SecurityException {
1530
// be very careful not to change the stack depth of this
1531
// checkMemberAccess call for security reasons
1532
// see java.lang.SecurityManager.checkMemberAccess
1533
checkMemberAccess(Member.PUBLIC, ClassLoader.getCallerClassLoader());
1534
return copyMethods(privateGetPublicMethods());
1539
* Returns an array containing {@code Constructor} objects reflecting
1540
* all the public constructors of the class represented by this
1541
* {@code Class} object. An array of length 0 is returned if the
1542
* class has no public constructors, or if the class is an array class, or
1543
* if the class reflects a primitive type or void.
1545
* Note that while this method returns an array of {@code
1546
* Constructor<T>} objects (that is an array of constructors from
1547
* this class), the return type of this method is {@code
1548
* Constructor<?>[]} and <em>not</em> {@code Constructor<T>[]} as
1549
* might be expected. This less informative return type is
1550
* necessary since after being returned from this method, the
1551
* array could be modified to hold {@code Constructor} objects for
1552
* different classes, which would violate the type guarantees of
1553
* {@code Constructor<T>[]}.
1555
* @return the array of {@code Constructor} objects representing the
1556
* public constructors of this class
1557
* @exception SecurityException
1558
* If a security manager, <i>s</i>, is present and any of the
1559
* following conditions is met:
1563
* <li> invocation of
1564
* {@link SecurityManager#checkMemberAccess
1565
* s.checkMemberAccess(this, Member.PUBLIC)} denies
1566
* access to the constructors within this class
1568
* <li> the caller's class loader is not the same as or an
1569
* ancestor of the class loader for the current class and
1570
* invocation of {@link SecurityManager#checkPackageAccess
1571
* s.checkPackageAccess()} denies access to the package
1578
@ikvm.internal.HasCallerID
1579
public Constructor<?>[] getConstructors() throws SecurityException {
1580
// be very careful not to change the stack depth of this
1581
// checkMemberAccess call for security reasons
1582
// see java.lang.SecurityManager.checkMemberAccess
1583
checkMemberAccess(Member.PUBLIC, ClassLoader.getCallerClassLoader());
1584
return copyConstructors(privateGetDeclaredConstructors(true));
1589
* Returns a {@code Field} object that reflects the specified public
1590
* member field of the class or interface represented by this
1591
* {@code Class} object. The {@code name} parameter is a
1592
* {@code String} specifying the simple name of the desired field.
1594
* <p> The field to be reflected is determined by the algorithm that
1595
* follows. Let C be the class represented by this object:
1597
* <LI> If C declares a public field with the name specified, that is the
1598
* field to be reflected.</LI>
1599
* <LI> If no field was found in step 1 above, this algorithm is applied
1600
* recursively to each direct superinterface of C. The direct
1601
* superinterfaces are searched in the order they were declared.</LI>
1602
* <LI> If no field was found in steps 1 and 2 above, and C has a
1603
* superclass S, then this algorithm is invoked recursively upon S.
1604
* If C has no superclass, then a {@code NoSuchFieldException}
1608
* <p> See <em>The Java Language Specification</em>, sections 8.2 and 8.3.
1610
* @param name the field name
1611
* @return the {@code Field} object of this class specified by
1613
* @exception NoSuchFieldException if a field with the specified name is
1615
* @exception NullPointerException if {@code name} is {@code null}
1616
* @exception SecurityException
1617
* If a security manager, <i>s</i>, is present and any of the
1618
* following conditions is met:
1622
* <li> invocation of
1623
* {@link SecurityManager#checkMemberAccess
1624
* s.checkMemberAccess(this, Member.PUBLIC)} denies
1625
* access to the field
1627
* <li> the caller's class loader is not the same as or an
1628
* ancestor of the class loader for the current class and
1629
* invocation of {@link SecurityManager#checkPackageAccess
1630
* s.checkPackageAccess()} denies access to the package
1637
@ikvm.internal.HasCallerID
1638
public Field getField(String name)
1639
throws NoSuchFieldException, SecurityException {
1640
// be very careful not to change the stack depth of this
1641
// checkMemberAccess call for security reasons
1642
// see java.lang.SecurityManager.checkMemberAccess
1643
checkMemberAccess(Member.PUBLIC, ClassLoader.getCallerClassLoader());
1644
Field field = getField0(name);
1645
if (field == null) {
1646
throw new NoSuchFieldException(name);
1653
* Returns a {@code Method} object that reflects the specified public
1654
* member method of the class or interface represented by this
1655
* {@code Class} object. The {@code name} parameter is a
1656
* {@code String} specifying the simple name of the desired method. The
1657
* {@code parameterTypes} parameter is an array of {@code Class}
1658
* objects that identify the method's formal parameter types, in declared
1659
* order. If {@code parameterTypes} is {@code null}, it is
1660
* treated as if it were an empty array.
1662
* <p> If the {@code name} is "{@code <init>};"or "{@code <clinit>}" a
1663
* {@code NoSuchMethodException} is raised. Otherwise, the method to
1664
* be reflected is determined by the algorithm that follows. Let C be the
1665
* class represented by this object:
1667
* <LI> C is searched for any <I>matching methods</I>. If no matching
1668
* method is found, the algorithm of step 1 is invoked recursively on
1669
* the superclass of C.</LI>
1670
* <LI> If no method was found in step 1 above, the superinterfaces of C
1671
* are searched for a matching method. If any such method is found, it
1672
* is reflected.</LI>
1675
* To find a matching method in a class C: If C declares exactly one
1676
* public method with the specified name and exactly the same formal
1677
* parameter types, that is the method reflected. If more than one such
1678
* method is found in C, and one of these methods has a return type that is
1679
* more specific than any of the others, that method is reflected;
1680
* otherwise one of the methods is chosen arbitrarily.
1682
* <p>Note that there may be more than one matching method in a
1683
* class because while the Java language forbids a class to
1684
* declare multiple methods with the same signature but different
1685
* return types, the Java virtual machine does not. This
1686
* increased flexibility in the virtual machine can be used to
1687
* implement various language features. For example, covariant
1688
* returns can be implemented with {@linkplain
1689
* java.lang.reflect.Method#isBridge bridge methods}; the bridge
1690
* method and the method being overridden would have the same
1691
* signature but different return types.
1693
* <p> See <em>The Java Language Specification</em>, sections 8.2 and 8.4.
1695
* @param name the name of the method
1696
* @param parameterTypes the list of parameters
1697
* @return the {@code Method} object that matches the specified
1698
* {@code name} and {@code parameterTypes}
1699
* @exception NoSuchMethodException if a matching method is not found
1700
* or if the name is "<init>"or "<clinit>".
1701
* @exception NullPointerException if {@code name} is {@code null}
1702
* @exception SecurityException
1703
* If a security manager, <i>s</i>, is present and any of the
1704
* following conditions is met:
1708
* <li> invocation of
1709
* {@link SecurityManager#checkMemberAccess
1710
* s.checkMemberAccess(this, Member.PUBLIC)} denies
1711
* access to the method
1713
* <li> the caller's class loader is not the same as or an
1714
* ancestor of the class loader for the current class and
1715
* invocation of {@link SecurityManager#checkPackageAccess
1716
* s.checkPackageAccess()} denies access to the package
1723
@ikvm.internal.HasCallerID
1724
public Method getMethod(String name, Class<?>... parameterTypes)
1725
throws NoSuchMethodException, SecurityException {
1726
// be very careful not to change the stack depth of this
1727
// checkMemberAccess call for security reasons
1728
// see java.lang.SecurityManager.checkMemberAccess
1729
checkMemberAccess(Member.PUBLIC, ClassLoader.getCallerClassLoader());
1730
Method method = getMethod0(name, parameterTypes);
1731
if (method == null) {
1732
throw new NoSuchMethodException(getName() + "." + name + argumentTypesToString(parameterTypes));
1739
* Returns a {@code Constructor} object that reflects the specified
1740
* public constructor of the class represented by this {@code Class}
1741
* object. The {@code parameterTypes} parameter is an array of
1742
* {@code Class} objects that identify the constructor's formal
1743
* parameter types, in declared order.
1745
* If this {@code Class} object represents an inner class
1746
* declared in a non-static context, the formal parameter types
1747
* include the explicit enclosing instance as the first parameter.
1749
* <p> The constructor to reflect is the public constructor of the class
1750
* represented by this {@code Class} object whose formal parameter
1751
* types match those specified by {@code parameterTypes}.
1753
* @param parameterTypes the parameter array
1754
* @return the {@code Constructor} object of the public constructor that
1755
* matches the specified {@code parameterTypes}
1756
* @exception NoSuchMethodException if a matching method is not found.
1757
* @exception SecurityException
1758
* If a security manager, <i>s</i>, is present and any of the
1759
* following conditions is met:
1763
* <li> invocation of
1764
* {@link SecurityManager#checkMemberAccess
1765
* s.checkMemberAccess(this, Member.PUBLIC)} denies
1766
* access to the constructor
1768
* <li> the caller's class loader is not the same as or an
1769
* ancestor of the class loader for the current class and
1770
* invocation of {@link SecurityManager#checkPackageAccess
1771
* s.checkPackageAccess()} denies access to the package
1778
@ikvm.internal.HasCallerID
1779
public Constructor<T> getConstructor(Class<?>... parameterTypes)
1780
throws NoSuchMethodException, SecurityException {
1781
// be very careful not to change the stack depth of this
1782
// checkMemberAccess call for security reasons
1783
// see java.lang.SecurityManager.checkMemberAccess
1784
checkMemberAccess(Member.PUBLIC, ClassLoader.getCallerClassLoader());
1785
return getConstructor0(parameterTypes, Member.PUBLIC);
1790
* Returns an array of {@code Class} objects reflecting all the
1791
* classes and interfaces declared as members of the class represented by
1792
* this {@code Class} object. This includes public, protected, default
1793
* (package) access, and private classes and interfaces declared by the
1794
* class, but excludes inherited classes and interfaces. This method
1795
* returns an array of length 0 if the class declares no classes or
1796
* interfaces as members, or if this {@code Class} object represents a
1797
* primitive type, an array class, or void.
1799
* @return the array of {@code Class} objects representing all the
1800
* declared members of this class
1801
* @exception SecurityException
1802
* If a security manager, <i>s</i>, is present and any of the
1803
* following conditions is met:
1807
* <li> invocation of
1808
* {@link SecurityManager#checkMemberAccess
1809
* s.checkMemberAccess(this, Member.DECLARED)} denies
1810
* access to the declared classes within this class
1812
* <li> the caller's class loader is not the same as or an
1813
* ancestor of the class loader for the current class and
1814
* invocation of {@link SecurityManager#checkPackageAccess
1815
* s.checkPackageAccess()} denies access to the package
1822
@ikvm.internal.HasCallerID
1823
public Class<?>[] getDeclaredClasses() throws SecurityException {
1824
// be very careful not to change the stack depth of this
1825
// checkMemberAccess call for security reasons
1826
// see java.lang.SecurityManager.checkMemberAccess
1827
checkMemberAccess(Member.DECLARED, ClassLoader.getCallerClassLoader());
1828
return getDeclaredClasses0();
1833
* Returns an array of {@code Field} objects reflecting all the fields
1834
* declared by the class or interface represented by this
1835
* {@code Class} object. This includes public, protected, default
1836
* (package) access, and private fields, but excludes inherited fields.
1837
* The elements in the array returned are not sorted and are not in any
1838
* particular order. This method returns an array of length 0 if the class
1839
* or interface declares no fields, or if this {@code Class} object
1840
* represents a primitive type, an array class, or void.
1842
* <p> See <em>The Java Language Specification</em>, sections 8.2 and 8.3.
1844
* @return the array of {@code Field} objects representing all the
1845
* declared fields of this class
1846
* @exception SecurityException
1847
* If a security manager, <i>s</i>, is present and any of the
1848
* following conditions is met:
1852
* <li> invocation of
1853
* {@link SecurityManager#checkMemberAccess
1854
* s.checkMemberAccess(this, Member.DECLARED)} denies
1855
* access to the declared fields within this class
1857
* <li> the caller's class loader is not the same as or an
1858
* ancestor of the class loader for the current class and
1859
* invocation of {@link SecurityManager#checkPackageAccess
1860
* s.checkPackageAccess()} denies access to the package
1867
@ikvm.internal.HasCallerID
1868
public Field[] getDeclaredFields() throws SecurityException {
1869
// be very careful not to change the stack depth of this
1870
// checkMemberAccess call for security reasons
1871
// see java.lang.SecurityManager.checkMemberAccess
1872
checkMemberAccess(Member.DECLARED, ClassLoader.getCallerClassLoader());
1873
return copyFields(privateGetDeclaredFields(false));
1878
* Returns an array of {@code Method} objects reflecting all the
1879
* methods declared by the class or interface represented by this
1880
* {@code Class} object. This includes public, protected, default
1881
* (package) access, and private methods, but excludes inherited methods.
1882
* The elements in the array returned are not sorted and are not in any
1883
* particular order. This method returns an array of length 0 if the class
1884
* or interface declares no methods, or if this {@code Class} object
1885
* represents a primitive type, an array class, or void. The class
1886
* initialization method {@code <clinit>} is not included in the
1887
* returned array. If the class declares multiple public member methods
1888
* with the same parameter types, they are all included in the returned
1891
* <p> See <em>The Java Language Specification</em>, section 8.2.
1893
* @return the array of {@code Method} objects representing all the
1894
* declared methods of this class
1895
* @exception SecurityException
1896
* If a security manager, <i>s</i>, is present and any of the
1897
* following conditions is met:
1901
* <li> invocation of
1902
* {@link SecurityManager#checkMemberAccess
1903
* s.checkMemberAccess(this, Member.DECLARED)} denies
1904
* access to the declared methods within this class
1906
* <li> the caller's class loader is not the same as or an
1907
* ancestor of the class loader for the current class and
1908
* invocation of {@link SecurityManager#checkPackageAccess
1909
* s.checkPackageAccess()} denies access to the package
1916
@ikvm.internal.HasCallerID
1917
public Method[] getDeclaredMethods() throws SecurityException {
1918
// be very careful not to change the stack depth of this
1919
// checkMemberAccess call for security reasons
1920
// see java.lang.SecurityManager.checkMemberAccess
1921
checkMemberAccess(Member.DECLARED, ClassLoader.getCallerClassLoader());
1922
return copyMethods(privateGetDeclaredMethods(false));
1927
* Returns an array of {@code Constructor} objects reflecting all the
1928
* constructors declared by the class represented by this
1929
* {@code Class} object. These are public, protected, default
1930
* (package) access, and private constructors. The elements in the array
1931
* returned are not sorted and are not in any particular order. If the
1932
* class has a default constructor, it is included in the returned array.
1933
* This method returns an array of length 0 if this {@code Class}
1934
* object represents an interface, a primitive type, an array class, or
1937
* <p> See <em>The Java Language Specification</em>, section 8.2.
1939
* @return the array of {@code Constructor} objects representing all the
1940
* declared constructors of this class
1941
* @exception SecurityException
1942
* If a security manager, <i>s</i>, is present and any of the
1943
* following conditions is met:
1947
* <li> invocation of
1948
* {@link SecurityManager#checkMemberAccess
1949
* s.checkMemberAccess(this, Member.DECLARED)} denies
1950
* access to the declared constructors within this class
1952
* <li> the caller's class loader is not the same as or an
1953
* ancestor of the class loader for the current class and
1954
* invocation of {@link SecurityManager#checkPackageAccess
1955
* s.checkPackageAccess()} denies access to the package
1962
@ikvm.internal.HasCallerID
1963
public Constructor<?>[] getDeclaredConstructors() throws SecurityException {
1964
// be very careful not to change the stack depth of this
1965
// checkMemberAccess call for security reasons
1966
// see java.lang.SecurityManager.checkMemberAccess
1967
checkMemberAccess(Member.DECLARED, ClassLoader.getCallerClassLoader());
1968
return copyConstructors(privateGetDeclaredConstructors(false));
1973
* Returns a {@code Field} object that reflects the specified declared
1974
* field of the class or interface represented by this {@code Class}
1975
* object. The {@code name} parameter is a {@code String} that
1976
* specifies the simple name of the desired field. Note that this method
1977
* will not reflect the {@code length} field of an array class.
1979
* @param name the name of the field
1980
* @return the {@code Field} object for the specified field in this
1982
* @exception NoSuchFieldException if a field with the specified name is
1984
* @exception NullPointerException if {@code name} is {@code null}
1985
* @exception SecurityException
1986
* If a security manager, <i>s</i>, is present and any of the
1987
* following conditions is met:
1991
* <li> invocation of
1992
* {@link SecurityManager#checkMemberAccess
1993
* s.checkMemberAccess(this, Member.DECLARED)} denies
1994
* access to the declared field
1996
* <li> the caller's class loader is not the same as or an
1997
* ancestor of the class loader for the current class and
1998
* invocation of {@link SecurityManager#checkPackageAccess
1999
* s.checkPackageAccess()} denies access to the package
2006
@ikvm.internal.HasCallerID
2007
public Field getDeclaredField(String name)
2008
throws NoSuchFieldException, SecurityException {
2009
// be very careful not to change the stack depth of this
2010
// checkMemberAccess call for security reasons
2011
// see java.lang.SecurityManager.checkMemberAccess
2012
checkMemberAccess(Member.DECLARED, ClassLoader.getCallerClassLoader());
2013
Field field = searchFields(privateGetDeclaredFields(false), name);
2014
if (field == null) {
2015
throw new NoSuchFieldException(name);
2022
* Returns a {@code Method} object that reflects the specified
2023
* declared method of the class or interface represented by this
2024
* {@code Class} object. The {@code name} parameter is a
2025
* {@code String} that specifies the simple name of the desired
2026
* method, and the {@code parameterTypes} parameter is an array of
2027
* {@code Class} objects that identify the method's formal parameter
2028
* types, in declared order. If more than one method with the same
2029
* parameter types is declared in a class, and one of these methods has a
2030
* return type that is more specific than any of the others, that method is
2031
* returned; otherwise one of the methods is chosen arbitrarily. If the
2032
* name is "<init>"or "<clinit>" a {@code NoSuchMethodException}
2035
* @param name the name of the method
2036
* @param parameterTypes the parameter array
2037
* @return the {@code Method} object for the method of this class
2038
* matching the specified name and parameters
2039
* @exception NoSuchMethodException if a matching method is not found.
2040
* @exception NullPointerException if {@code name} is {@code null}
2041
* @exception SecurityException
2042
* If a security manager, <i>s</i>, is present and any of the
2043
* following conditions is met:
2047
* <li> invocation of
2048
* {@link SecurityManager#checkMemberAccess
2049
* s.checkMemberAccess(this, Member.DECLARED)} denies
2050
* access to the declared method
2052
* <li> the caller's class loader is not the same as or an
2053
* ancestor of the class loader for the current class and
2054
* invocation of {@link SecurityManager#checkPackageAccess
2055
* s.checkPackageAccess()} denies access to the package
2062
@ikvm.internal.HasCallerID
2063
public Method getDeclaredMethod(String name, Class<?>... parameterTypes)
2064
throws NoSuchMethodException, SecurityException {
2065
// be very careful not to change the stack depth of this
2066
// checkMemberAccess call for security reasons
2067
// see java.lang.SecurityManager.checkMemberAccess
2068
checkMemberAccess(Member.DECLARED, ClassLoader.getCallerClassLoader());
2069
Method method = searchMethods(privateGetDeclaredMethods(false), name, parameterTypes);
2070
if (method == null) {
2071
throw new NoSuchMethodException(getName() + "." + name + argumentTypesToString(parameterTypes));
2078
* Returns a {@code Constructor} object that reflects the specified
2079
* constructor of the class or interface represented by this
2080
* {@code Class} object. The {@code parameterTypes} parameter is
2081
* an array of {@code Class} objects that identify the constructor's
2082
* formal parameter types, in declared order.
2084
* If this {@code Class} object represents an inner class
2085
* declared in a non-static context, the formal parameter types
2086
* include the explicit enclosing instance as the first parameter.
2088
* @param parameterTypes the parameter array
2089
* @return The {@code Constructor} object for the constructor with the
2090
* specified parameter list
2091
* @exception NoSuchMethodException if a matching method is not found.
2092
* @exception SecurityException
2093
* If a security manager, <i>s</i>, is present and any of the
2094
* following conditions is met:
2098
* <li> invocation of
2099
* {@link SecurityManager#checkMemberAccess
2100
* s.checkMemberAccess(this, Member.DECLARED)} denies
2101
* access to the declared constructor
2103
* <li> the caller's class loader is not the same as or an
2104
* ancestor of the class loader for the current class and
2105
* invocation of {@link SecurityManager#checkPackageAccess
2106
* s.checkPackageAccess()} denies access to the package
2113
@ikvm.internal.HasCallerID
2114
public Constructor<T> getDeclaredConstructor(Class<?>... parameterTypes)
2115
throws NoSuchMethodException, SecurityException {
2116
// be very careful not to change the stack depth of this
2117
// checkMemberAccess call for security reasons
2118
// see java.lang.SecurityManager.checkMemberAccess
2119
checkMemberAccess(Member.DECLARED, ClassLoader.getCallerClassLoader());
2120
return getConstructor0(parameterTypes, Member.DECLARED);
2124
* Finds a resource with a given name. The rules for searching resources
2125
* associated with a given class are implemented by the defining
2126
* {@linkplain ClassLoader class loader} of the class. This method
2127
* delegates to this object's class loader. If this object was loaded by
2128
* the bootstrap class loader, the method delegates to {@link
2129
* ClassLoader#getSystemResourceAsStream}.
2131
* <p> Before delegation, an absolute resource name is constructed from the
2132
* given resource name using this algorithm:
2136
* <li> If the {@code name} begins with a {@code '/'}
2137
* (<tt>'\u002f'</tt>), then the absolute name of the resource is the
2138
* portion of the {@code name} following the {@code '/'}.
2140
* <li> Otherwise, the absolute name is of the following form:
2143
* {@code modified_package_name/name}
2146
* <p> Where the {@code modified_package_name} is the package name of this
2147
* object with {@code '/'} substituted for {@code '.'}
2148
* (<tt>'\u002e'</tt>).
2152
* @param name name of the desired resource
2153
* @return A {@link java.io.InputStream} object or {@code null} if
2154
* no resource with this name is found
2155
* @throws NullPointerException If {@code name} is {@code null}
2158
public InputStream getResourceAsStream(String name) {
2159
name = resolveName(name);
2160
ClassLoader cl = getClassLoader0();
2163
return ClassLoader.getSystemResourceAsStream(name);
2165
return cl.getResourceAsStream(name);
2169
* Finds a resource with a given name. The rules for searching resources
2170
* associated with a given class are implemented by the defining
2171
* {@linkplain ClassLoader class loader} of the class. This method
2172
* delegates to this object's class loader. If this object was loaded by
2173
* the bootstrap class loader, the method delegates to {@link
2174
* ClassLoader#getSystemResource}.
2176
* <p> Before delegation, an absolute resource name is constructed from the
2177
* given resource name using this algorithm:
2181
* <li> If the {@code name} begins with a {@code '/'}
2182
* (<tt>'\u002f'</tt>), then the absolute name of the resource is the
2183
* portion of the {@code name} following the {@code '/'}.
2185
* <li> Otherwise, the absolute name is of the following form:
2188
* {@code modified_package_name/name}
2191
* <p> Where the {@code modified_package_name} is the package name of this
2192
* object with {@code '/'} substituted for {@code '.'}
2193
* (<tt>'\u002e'</tt>).
2197
* @param name name of the desired resource
2198
* @return A {@link java.net.URL} object or {@code null} if no
2199
* resource with this name is found
2202
public java.net.URL getResource(String name) {
2203
name = resolveName(name);
2204
ClassLoader cl = getClassLoader0();
2207
return ClassLoader.getSystemResource(name);
2209
return cl.getResource(name);
2214
/** protection domain returned when the internal domain is null */
2215
private static java.security.ProtectionDomain allPermDomain;
2219
* Returns the {@code ProtectionDomain} of this class. If there is a
2220
* security manager installed, this method first calls the security
2221
* manager's {@code checkPermission} method with a
2222
* {@code RuntimePermission("getProtectionDomain")} permission to
2223
* ensure it's ok to get the
2224
* {@code ProtectionDomain}.
2226
* @return the ProtectionDomain of this class
2228
* @throws SecurityException
2229
* if a security manager exists and its
2230
* {@code checkPermission} method doesn't allow
2231
* getting the ProtectionDomain.
2233
* @see java.security.ProtectionDomain
2234
* @see SecurityManager#checkPermission
2235
* @see java.lang.RuntimePermission
2238
public java.security.ProtectionDomain getProtectionDomain() {
2239
SecurityManager sm = System.getSecurityManager();
2241
sm.checkPermission(SecurityConstants.GET_PD_PERMISSION);
2243
java.security.ProtectionDomain pd = getProtectionDomain0();
2245
if (allPermDomain == null) {
2246
java.security.Permissions perms =
2247
new java.security.Permissions();
2248
perms.add(SecurityConstants.ALL_PERMISSION);
2250
new java.security.ProtectionDomain(null, perms);
2259
* Returns the ProtectionDomain of this class.
2261
private native java.security.ProtectionDomain getProtectionDomain0();
2265
* Set the ProtectionDomain for this class. Called by
2266
* ClassLoader.defineClass.
2268
native void setProtectionDomain0(java.security.ProtectionDomain pd);
2272
* Return the Virtual Machine's Class object for the named
2275
static native Class getPrimitiveClass(String name);
2279
* Check if client is allowed to access members. If access is denied,
2280
* throw a SecurityException.
2282
* Be very careful not to change the stack depth of this checkMemberAccess
2283
* call for security reasons.
2284
* See java.lang.SecurityManager.checkMemberAccess.
2286
* <p> Default policy: allow all clients access with normal Java access
2289
private void checkMemberAccess(int which, ClassLoader ccl) {
2290
SecurityManager s = System.getSecurityManager();
2292
s.checkMemberAccess(this, which);
2293
ClassLoader cl = getClassLoader0();
2294
if ((ccl != null) && (ccl != cl) &&
2295
((cl == null) || !cl.isAncestor(ccl))) {
2296
String name = this.getName();
2297
int i = name.lastIndexOf('.');
2299
s.checkPackageAccess(name.substring(0, i));
2306
* Add a package name prefix if the name is not absolute Remove leading "/"
2307
* if name is absolute
2309
private String resolveName(String name) {
2313
if (!name.startsWith("/")) {
2315
while (c.isArray()) {
2316
c = c.getComponentType();
2318
String baseName = c.getName();
2319
int index = baseName.lastIndexOf('.');
2321
name = baseName.substring(0, index).replace('.', '/')
2325
name = name.substring(1);
2331
* Reflection support.
2334
// Caches for certain reflective results
2335
private static boolean useCaches;
2336
private volatile transient SoftReference<Field[]> declaredFields;
2337
private volatile transient SoftReference<Field[]> publicFields;
2338
private volatile transient SoftReference<Method[]> declaredMethods;
2339
private volatile transient SoftReference<Method[]> publicMethods;
2340
private volatile transient SoftReference<Constructor<T>[]> declaredConstructors;
2341
private volatile transient SoftReference<Constructor<T>[]> publicConstructors;
2342
// Intermediate results for getFields and getMethods
2343
private volatile transient SoftReference<Field[]> declaredPublicFields;
2344
private volatile transient SoftReference<Method[]> declaredPublicMethods;
2346
// Incremented by the VM on each call to JVM TI RedefineClasses()
2347
// that redefines this class or a superclass.
2348
private volatile transient int classRedefinedCount;
2350
// Value of classRedefinedCount when we last cleared the cached values
2351
// that are sensitive to class redefinition.
2352
private volatile transient int lastRedefinedCount;
2354
// Clears cached values that might possibly have been obsoleted by
2355
// a class redefinition.
2356
private void clearCachesOnClassRedefinition() {
2357
if (lastRedefinedCount != classRedefinedCount) {
2358
declaredFields = publicFields = declaredPublicFields = null;
2359
declaredMethods = publicMethods = declaredPublicMethods = null;
2360
declaredConstructors = publicConstructors = null;
2361
annotations = declaredAnnotations = null;
2363
// Use of "volatile" (and synchronization by caller in the case
2364
// of annotations) ensures that no thread sees the update to
2365
// lastRedefinedCount before seeing the caches cleared.
2366
// We do not guard against brief windows during which multiple
2367
// threads might redundantly work to fill an empty cache.
2368
lastRedefinedCount = classRedefinedCount;
2372
// Generic signature handling
2373
private native String getGenericSignature();
2375
// Generic info repository; lazily initialized
2376
private transient ClassRepository genericInfo;
2378
// accessor for factory
2379
private GenericsFactory getFactory() {
2380
// create scope and factory
2381
return CoreReflectionFactory.make(this, ClassScope.make(this));
2384
// accessor for generic info repository
2385
private ClassRepository getGenericInfo() {
2386
// lazily initialize repository if necessary
2387
if (genericInfo == null) {
2388
// create and cache generic info repository
2389
genericInfo = ClassRepository.make(getGenericSignature(),
2392
return genericInfo; //return cached repository
2395
// Annotations handling
2396
private native Map<Class<? extends Annotation>, Annotation> getDeclaredAnnotationsImpl();
2400
// java.lang.reflect.Field handling
2404
// Returns an array of "root" fields. These Field objects must NOT
2405
// be propagated to the outside world, but must instead be copied
2406
// via ReflectionFactory.copyField.
2407
private Field[] privateGetDeclaredFields(boolean publicOnly) {
2411
clearCachesOnClassRedefinition();
2413
if (declaredPublicFields != null) {
2414
res = declaredPublicFields.get();
2417
if (declaredFields != null) {
2418
res = declaredFields.get();
2421
if (res != null) return res;
2423
// No cached value available; request value from VM
2424
res = Reflection.filterFields(this, getDeclaredFields0(publicOnly));
2427
declaredPublicFields = new SoftReference<>(res);
2429
declaredFields = new SoftReference<>(res);
2435
// Returns an array of "root" fields. These Field objects must NOT
2436
// be propagated to the outside world, but must instead be copied
2437
// via ReflectionFactory.copyField.
2438
private Field[] privateGetPublicFields(Set<Class<?>> traversedInterfaces) {
2442
clearCachesOnClassRedefinition();
2443
if (publicFields != null) {
2444
res = publicFields.get();
2446
if (res != null) return res;
2449
// No cached value available; compute value recursively.
2450
// Traverse in correct order for getField().
2451
List<Field> fields = new ArrayList<>();
2452
if (traversedInterfaces == null) {
2453
traversedInterfaces = new HashSet<>();
2457
Field[] tmp = privateGetDeclaredFields(true);
2458
addAll(fields, tmp);
2460
// Direct superinterfaces, recursively
2461
for (Class<?> c : getInterfaces()) {
2462
if (!traversedInterfaces.contains(c)) {
2463
traversedInterfaces.add(c);
2464
addAll(fields, c.privateGetPublicFields(traversedInterfaces));
2468
// Direct superclass, recursively
2469
if (!isInterface()) {
2470
Class<?> c = getSuperclass();
2472
addAll(fields, c.privateGetPublicFields(traversedInterfaces));
2476
res = new Field[fields.size()];
2477
fields.toArray(res);
2479
publicFields = new SoftReference<>(res);
2484
private static void addAll(Collection<Field> c, Field[] o) {
2485
for (int i = 0; i < o.length; i++) {
2493
// java.lang.reflect.Constructor handling
2497
// Returns an array of "root" constructors. These Constructor
2498
// objects must NOT be propagated to the outside world, but must
2499
// instead be copied via ReflectionFactory.copyConstructor.
2500
private Constructor<T>[] privateGetDeclaredConstructors(boolean publicOnly) {
2502
Constructor<T>[] res = null;
2504
clearCachesOnClassRedefinition();
2506
if (publicConstructors != null) {
2507
res = publicConstructors.get();
2510
if (declaredConstructors != null) {
2511
res = declaredConstructors.get();
2514
if (res != null) return res;
2516
// No cached value available; request value from VM
2517
if (isInterface()) {
2518
res = new Constructor[0];
2520
res = getDeclaredConstructors0(publicOnly);
2524
publicConstructors = new SoftReference<>(res);
2526
declaredConstructors = new SoftReference<>(res);
2534
// java.lang.reflect.Method handling
2538
// Returns an array of "root" methods. These Method objects must NOT
2539
// be propagated to the outside world, but must instead be copied
2540
// via ReflectionFactory.copyMethod.
2541
private Method[] privateGetDeclaredMethods(boolean publicOnly) {
2543
Method[] res = null;
2545
clearCachesOnClassRedefinition();
2547
if (declaredPublicMethods != null) {
2548
res = declaredPublicMethods.get();
2551
if (declaredMethods != null) {
2552
res = declaredMethods.get();
2555
if (res != null) return res;
2557
// No cached value available; request value from VM
2558
res = Reflection.filterMethods(this, getDeclaredMethods0(publicOnly));
2561
declaredPublicMethods = new SoftReference<>(res);
2563
declaredMethods = new SoftReference<>(res);
2569
static class MethodArray {
2570
private Method[] methods;
2574
methods = new Method[20];
2578
void add(Method m) {
2579
if (length == methods.length) {
2580
methods = Arrays.copyOf(methods, 2 * methods.length);
2582
methods[length++] = m;
2585
void addAll(Method[] ma) {
2586
for (int i = 0; i < ma.length; i++) {
2591
void addAll(MethodArray ma) {
2592
for (int i = 0; i < ma.length(); i++) {
2597
void addIfNotPresent(Method newMethod) {
2598
for (int i = 0; i < length; i++) {
2599
Method m = methods[i];
2600
if (m == newMethod || (m != null && m.equals(newMethod))) {
2607
void addAllIfNotPresent(MethodArray newMethods) {
2608
for (int i = 0; i < newMethods.length(); i++) {
2609
Method m = newMethods.get(i);
2624
void removeByNameAndSignature(Method toRemove) {
2625
for (int i = 0; i < length; i++) {
2626
Method m = methods[i];
2628
m.getReturnType() == toRemove.getReturnType() &&
2629
m.getName() == toRemove.getName() &&
2630
arrayContentsEq(m.getParameterTypes(),
2631
toRemove.getParameterTypes())) {
2637
void compactAndTrim() {
2639
// Get rid of null slots
2640
for (int pos = 0; pos < length; pos++) {
2641
Method m = methods[pos];
2643
if (pos != newPos) {
2644
methods[newPos] = m;
2649
if (newPos != methods.length) {
2650
methods = Arrays.copyOf(methods, newPos);
2654
Method[] getArray() {
2660
// Returns an array of "root" methods. These Method objects must NOT
2661
// be propagated to the outside world, but must instead be copied
2662
// via ReflectionFactory.copyMethod.
2663
private Method[] privateGetPublicMethods() {
2665
Method[] res = null;
2667
clearCachesOnClassRedefinition();
2668
if (publicMethods != null) {
2669
res = publicMethods.get();
2671
if (res != null) return res;
2674
// No cached value available; compute value recursively.
2675
// Start by fetching public declared methods
2676
MethodArray methods = new MethodArray();
2678
Method[] tmp = privateGetDeclaredMethods(true);
2679
methods.addAll(tmp);
2681
// Now recur over superclass and direct superinterfaces.
2682
// Go over superinterfaces first so we can more easily filter
2683
// out concrete implementations inherited from superclasses at
2685
MethodArray inheritedMethods = new MethodArray();
2686
Class<?>[] interfaces = getInterfaces();
2687
for (int i = 0; i < interfaces.length; i++) {
2688
inheritedMethods.addAll(interfaces[i].privateGetPublicMethods());
2690
if (!isInterface()) {
2691
Class<?> c = getSuperclass();
2693
MethodArray supers = new MethodArray();
2694
supers.addAll(c.privateGetPublicMethods());
2695
// Filter out concrete implementations of any
2696
// interface methods
2697
for (int i = 0; i < supers.length(); i++) {
2698
Method m = supers.get(i);
2699
if (m != null && !Modifier.isAbstract(m.getModifiers())) {
2700
inheritedMethods.removeByNameAndSignature(m);
2703
// Insert superclass's inherited methods before
2704
// superinterfaces' to satisfy getMethod's search
2706
supers.addAll(inheritedMethods);
2707
inheritedMethods = supers;
2710
// Filter out all local methods from inherited ones
2711
for (int i = 0; i < methods.length(); i++) {
2712
Method m = methods.get(i);
2713
inheritedMethods.removeByNameAndSignature(m);
2715
methods.addAllIfNotPresent(inheritedMethods);
2716
methods.compactAndTrim();
2717
res = methods.getArray();
2719
publicMethods = new SoftReference<>(res);
2726
// Helpers for fetchers of one field, method, or constructor
2729
private Field searchFields(Field[] fields, String name) {
2730
String internedName = name.intern();
2731
for (int i = 0; i < fields.length; i++) {
2732
if (fields[i].getName() == internedName) {
2733
return getReflectionFactory().copyField(fields[i]);
2739
private Field getField0(String name) throws NoSuchFieldException {
2740
// Note: the intent is that the search algorithm this routine
2741
// uses be equivalent to the ordering imposed by
2742
// privateGetPublicFields(). It fetches only the declared
2743
// public fields for each class, however, to reduce the number
2744
// of Field objects which have to be created for the common
2745
// case where the field being requested is declared in the
2746
// class which is being queried.
2748
// Search declared public fields
2749
if ((res = searchFields(privateGetDeclaredFields(true), name)) != null) {
2752
// Direct superinterfaces, recursively
2753
Class<?>[] interfaces = getInterfaces();
2754
for (int i = 0; i < interfaces.length; i++) {
2755
Class<?> c = interfaces[i];
2756
if ((res = c.getField0(name)) != null) {
2760
// Direct superclass, recursively
2761
if (!isInterface()) {
2762
Class<?> c = getSuperclass();
2764
if ((res = c.getField0(name)) != null) {
2772
private static Method searchMethods(Method[] methods,
2774
Class<?>[] parameterTypes)
2777
String internedName = name.intern();
2778
for (int i = 0; i < methods.length; i++) {
2779
Method m = methods[i];
2780
if (m.getName() == internedName
2781
&& arrayContentsEq(parameterTypes, m.getParameterTypes())
2783
|| res.getReturnType().isAssignableFrom(m.getReturnType())))
2787
return (res == null ? res : getReflectionFactory().copyMethod(res));
2791
private Method getMethod0(String name, Class<?>[] parameterTypes) {
2792
// Note: the intent is that the search algorithm this routine
2793
// uses be equivalent to the ordering imposed by
2794
// privateGetPublicMethods(). It fetches only the declared
2795
// public methods for each class, however, to reduce the
2796
// number of Method objects which have to be created for the
2797
// common case where the method being requested is declared in
2798
// the class which is being queried.
2800
// Search declared public methods
2801
if ((res = searchMethods(privateGetDeclaredMethods(true),
2803
parameterTypes)) != null) {
2806
// Search superclass's methods
2807
if (!isInterface()) {
2808
Class<? super T> c = getSuperclass();
2810
if ((res = c.getMethod0(name, parameterTypes)) != null) {
2815
// Search superinterfaces' methods
2816
Class<?>[] interfaces = getInterfaces();
2817
for (int i = 0; i < interfaces.length; i++) {
2818
Class<?> c = interfaces[i];
2819
if ((res = c.getMethod0(name, parameterTypes)) != null) {
2827
private Constructor<T> getConstructor0(Class<?>[] parameterTypes,
2828
int which) throws NoSuchMethodException
2830
Constructor<T>[] constructors = privateGetDeclaredConstructors((which == Member.PUBLIC));
2831
for (Constructor<T> constructor : constructors) {
2832
if (arrayContentsEq(parameterTypes,
2833
constructor.getParameterTypes())) {
2834
return getReflectionFactory().copyConstructor(constructor);
2837
throw new NoSuchMethodException(getName() + ".<init>" + argumentTypesToString(parameterTypes));
2841
// Other helpers and base implementation
2844
private static boolean arrayContentsEq(Object[] a1, Object[] a2) {
2846
return a2 == null || a2.length == 0;
2850
return a1.length == 0;
2853
if (a1.length != a2.length) {
2857
for (int i = 0; i < a1.length; i++) {
2858
if (a1[i] != a2[i]) {
2866
private static Field[] copyFields(Field[] arg) {
2867
Field[] out = new Field[arg.length];
2868
ReflectionFactory fact = getReflectionFactory();
2869
for (int i = 0; i < arg.length; i++) {
2870
out[i] = fact.copyField(arg[i]);
2875
private static Method[] copyMethods(Method[] arg) {
2876
Method[] out = new Method[arg.length];
2877
ReflectionFactory fact = getReflectionFactory();
2878
for (int i = 0; i < arg.length; i++) {
2879
out[i] = fact.copyMethod(arg[i]);
2884
private static <U> Constructor<U>[] copyConstructors(Constructor<U>[] arg) {
2885
Constructor<U>[] out = arg.clone();
2886
ReflectionFactory fact = getReflectionFactory();
2887
for (int i = 0; i < out.length; i++) {
2888
out[i] = fact.copyConstructor(out[i]);
2893
private native Field[] getDeclaredFields0(boolean publicOnly);
2894
private native Method[] getDeclaredMethods0(boolean publicOnly);
2895
private native Constructor<T>[] getDeclaredConstructors0(boolean publicOnly);
2896
private native Class<?>[] getDeclaredClasses0();
2898
private static String argumentTypesToString(Class<?>[] argTypes) {
2899
StringBuilder buf = new StringBuilder();
2901
if (argTypes != null) {
2902
for (int i = 0; i < argTypes.length; i++) {
2906
Class<?> c = argTypes[i];
2907
buf.append((c == null) ? "null" : c.getName());
2911
return buf.toString();
2914
/** use serialVersionUID from JDK 1.1 for interoperability */
2915
private static final long serialVersionUID = 3206093459760846163L;
2919
* Class Class is special cased within the Serialization Stream Protocol.
2921
* A Class instance is written initially into an ObjectOutputStream in the
2924
* {@code TC_CLASS} ClassDescriptor
2925
* A ClassDescriptor is a special cased serialization of
2926
* a {@code java.io.ObjectStreamClass} instance.
2928
* A new handle is generated for the initial time the class descriptor
2929
* is written into the stream. Future references to the class descriptor
2930
* are written as references to the initial class descriptor instance.
2932
* @see java.io.ObjectStreamClass
2935
@ikvm.lang.Property(get="get_spf")
2936
private static final ObjectStreamField[] serialPersistentFields = null;
2938
private static ObjectStreamField[] get_spf() {
2939
return java.io.ObjectStreamClass.NO_FIELDS;
2944
* Returns the assertion status that would be assigned to this
2945
* class if it were to be initialized at the time this method is invoked.
2946
* If this class has had its assertion status set, the most recent
2947
* setting will be returned; otherwise, if any package default assertion
2948
* status pertains to this class, the most recent setting for the most
2949
* specific pertinent package default assertion status is returned;
2950
* otherwise, if this class is not a system class (i.e., it has a
2951
* class loader) its class loader's default assertion status is returned;
2952
* otherwise, the system class default assertion status is returned.
2954
* Few programmers will have any need for this method; it is provided
2955
* for the benefit of the JRE itself. (It allows a class to determine at
2956
* the time that it is initialized whether assertions should be enabled.)
2957
* Note that this method is not guaranteed to return the actual
2958
* assertion status that was (or will be) associated with the specified
2959
* class when it was (or will be) initialized.
2961
* @return the desired assertion status of the specified class.
2962
* @see java.lang.ClassLoader#setClassAssertionStatus
2963
* @see java.lang.ClassLoader#setPackageAssertionStatus
2964
* @see java.lang.ClassLoader#setDefaultAssertionStatus
2967
public boolean desiredAssertionStatus() {
2968
ClassLoader loader = getClassLoader();
2969
// If the loader is null this is a system class, so ask the VM
2971
return desiredAssertionStatus0(this);
2973
// If the classloader has been initialized with the assertion
2974
// directives, ask it. Otherwise, ask the VM.
2975
synchronized(loader.assertionLock) {
2976
if (loader.classAssertionStatus != null) {
2977
return loader.desiredAssertionStatus(getName());
2980
return desiredAssertionStatus0(this);
2983
// Retrieves the desired assertion status of this class from the VM
2984
private static native boolean desiredAssertionStatus0(Class<?> clazz);
2987
* Returns true if and only if this class was declared as an enum in the
2990
* @return true if and only if this class was declared as an enum in the
2994
public boolean isEnum() {
2995
// An enum must both directly extend java.lang.Enum and have
2996
// the ENUM bit set; classes for specialized enum constants
2997
// don't do the former.
2998
return (this.getModifiers() & ENUM) != 0 &&
2999
this.getSuperclass() == java.lang.Enum.class;
3002
// Fetches the factory for reflective objects
3003
private static ReflectionFactory getReflectionFactory() {
3004
if (reflectionFactory == null) {
3006
java.security.AccessController.doPrivileged
3007
(new sun.reflect.ReflectionFactory.GetReflectionFactoryAction());
3009
return reflectionFactory;
3011
private static ReflectionFactory reflectionFactory;
3013
// To be able to query system properties as soon as they're available
3014
private static boolean initted;
3015
private static void checkInitted() {
3016
if (initted) return;
3018
AccessController.doPrivileged(new PrivilegedAction<Void>() {
3020
// Tests to ensure the system properties table is fully
3021
// initialized. This is needed because reflection code is
3022
// called very early in the initialization process (before
3023
// command-line arguments have been parsed and therefore
3024
// these user-settable properties installed.) We assume that
3025
// if System.out is non-null then the System class has been
3026
// fully initialized and that the bulk of the startup code
3029
if (System.out == null) {
3030
// java.lang.System not yet fully initialized
3035
System.getProperty("sun.reflect.noCaches");
3036
if (val != null && val.equals("true")) {
3047
* Returns the elements of this enum class or null if this
3048
* Class object does not represent an enum type.
3050
* @return an array containing the values comprising the enum class
3051
* represented by this Class object in the order they're
3052
* declared, or null if this Class object does not
3053
* represent an enum type
3056
public T[] getEnumConstants() {
3057
T[] values = getEnumConstantsShared();
3058
return (values != null) ? values.clone() : null;
3062
* Returns the elements of this enum class or null if this
3063
* Class object does not represent an enum type;
3064
* identical to getEnumConstants except that the result is
3065
* uncloned, cached, and shared by all callers.
3067
T[] getEnumConstantsShared() {
3068
if (enumConstants == null) {
3069
if (!isEnum()) return null;
3071
final Method values = getMethod("values");
3072
java.security.AccessController.doPrivileged(
3073
new java.security.PrivilegedAction<Void>() {
3075
values.setAccessible(true);
3079
enumConstants = (T[])values.invoke(null);
3081
// These can happen when users concoct enum-like classes
3082
// that don't comply with the enum spec.
3083
catch (InvocationTargetException ex) { return null; }
3084
catch (NoSuchMethodException ex) { return null; }
3085
catch (IllegalAccessException ex) { return null; }
3087
return enumConstants;
3089
private volatile transient T[] enumConstants;
3092
* Returns a map from simple name to enum constant. This package-private
3093
* method is used internally by Enum to implement
3094
* public static <T extends Enum<T>> T valueOf(Class<T>, String)
3095
* efficiently. Note that the map is returned by this method is
3096
* created lazily on first use. Typically it won't ever get created.
3098
Map<String, T> enumConstantDirectory() {
3099
if (enumConstantDirectory == null) {
3100
T[] universe = getEnumConstantsShared();
3101
if (universe == null)
3102
throw new IllegalArgumentException(
3103
getName() + " is not an enum type");
3104
Map<String, T> m = new HashMap<>(2 * universe.length);
3105
for (T constant : universe)
3106
m.put(((Enum<?>)constant).name(), constant);
3107
enumConstantDirectory = m;
3109
return enumConstantDirectory;
3111
private volatile transient Map<String, T> enumConstantDirectory;
3114
* Casts an object to the class or interface represented
3115
* by this {@code Class} object.
3117
* @param obj the object to be cast
3118
* @return the object after casting, or null if obj is null
3120
* @throws ClassCastException if the object is not
3121
* null and is not assignable to the type T.
3125
public T cast(Object obj) {
3126
if (obj != null && !isInstance(obj))
3127
throw new ClassCastException(cannotCastMsg(obj));
3131
private String cannotCastMsg(Object obj) {
3132
return "Cannot cast " + obj.getClass().getName() + " to " + getName();
3136
* Casts this {@code Class} object to represent a subclass of the class
3137
* represented by the specified class object. Checks that that the cast
3138
* is valid, and throws a {@code ClassCastException} if it is not. If
3139
* this method succeeds, it always returns a reference to this class object.
3141
* <p>This method is useful when a client needs to "narrow" the type of
3142
* a {@code Class} object to pass it to an API that restricts the
3143
* {@code Class} objects that it is willing to accept. A cast would
3144
* generate a compile-time warning, as the correctness of the cast
3145
* could not be checked at runtime (because generic types are implemented
3148
* @return this {@code Class} object, cast to represent a subclass of
3149
* the specified class object.
3150
* @throws ClassCastException if this {@code Class} object does not
3151
* represent a subclass of the specified class (here "subclass" includes
3152
* the class itself).
3155
public <U> Class<? extends U> asSubclass(Class<U> clazz) {
3156
if (clazz.isAssignableFrom(this))
3157
return (Class<? extends U>) this;
3159
throw new ClassCastException(this.toString());
3163
* @throws NullPointerException {@inheritDoc}
3166
public <A extends Annotation> A getAnnotation(Class<A> annotationClass) {
3167
if (annotationClass == null)
3168
throw new NullPointerException();
3170
initAnnotationsIfNecessary();
3171
return (A) annotations.get(annotationClass);
3175
* @throws NullPointerException {@inheritDoc}
3178
public boolean isAnnotationPresent(
3179
Class<? extends Annotation> annotationClass) {
3180
if (annotationClass == null)
3181
throw new NullPointerException();
3183
return getAnnotation(annotationClass) != null;
3190
public Annotation[] getAnnotations() {
3191
initAnnotationsIfNecessary();
3192
Collection<Annotation> values = annotations.values();
3193
return values.toArray(new Annotation[values.size()]);
3199
public Annotation[] getDeclaredAnnotations() {
3200
initAnnotationsIfNecessary();
3201
Collection<Annotation> values = declaredAnnotations.values();
3202
return values.toArray(new Annotation[values.size()]);
3205
// Annotations cache
3206
private transient Map<Class<? extends Annotation>, Annotation> annotations;
3207
private transient Map<Class<? extends Annotation>, Annotation> declaredAnnotations;
3209
private synchronized void initAnnotationsIfNecessary() {
3210
clearCachesOnClassRedefinition();
3211
if (annotations != null)
3213
declaredAnnotations = getDeclaredAnnotationsImpl();
3214
Class<?> superClass = getSuperclass();
3215
if (superClass == null) {
3216
annotations = declaredAnnotations;
3218
annotations = new HashMap<>();
3219
superClass.initAnnotationsIfNecessary();
3220
for (Map.Entry<Class<? extends Annotation>, Annotation> e : superClass.annotations.entrySet()) {
3221
Class<? extends Annotation> annotationClass = e.getKey();
3222
if (AnnotationType.getInstance(annotationClass).isInherited())
3223
annotations.put(annotationClass, e.getValue());
3225
annotations.putAll(declaredAnnotations);
3229
// Annotation types cache their internal (AnnotationType) form
3231
private AnnotationType annotationType;
3233
void setAnnotationType(AnnotationType type) {
3234
annotationType = type;
3237
AnnotationType getAnnotationType() {
3238
return annotationType;
3241
/* Backing store of user-defined values pertaining to this class.
3242
* Maintained by the ClassValue class.
3244
transient ClassValue.ClassValueMap classValueMap;
added
removed
external/ikvm/openjdk/java/lang/Class.java
