8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.internal.reflect;
27
28 import java.lang.reflect.*;
29 import sun.reflect.misc.ReflectUtil;
30
31 /** Used only for the first few invocations of a Constructor;
32 afterward, switches to bytecode-based implementation */
33
34 class NativeConstructorAccessorImpl extends ConstructorAccessorImpl {
35 private final Constructor<?> c;
36 private DelegatingConstructorAccessorImpl parent;
37 private int numInvocations;
38
39 NativeConstructorAccessorImpl(Constructor<?> c) {
40 this.c = c;
41 }
42
43 public Object newInstance(Object[] args)
44 throws InstantiationException,
45 IllegalArgumentException,
46 InvocationTargetException
47 {
48 // We can't inflate a constructor belonging to a vm-anonymous class
49 // because that kind of class can't be referred to by name, hence can't
50 // be found from the generated bytecode.
51 if (++numInvocations > ReflectionFactory.inflationThreshold()
52 && !ReflectUtil.isVMAnonymousClass(c.getDeclaringClass())) {
53 ConstructorAccessorImpl acc = (ConstructorAccessorImpl)
54 new MethodAccessorGenerator().
55 generateConstructor(c.getDeclaringClass(),
56 c.getParameterTypes(),
57 c.getExceptionTypes(),
58 c.getModifiers());
59 parent.setDelegate(acc);
60 }
61
62 return newInstance0(c, args);
63 }
64
65 void setParent(DelegatingConstructorAccessorImpl parent) {
66 this.parent = parent;
67 }
68
69 private static native Object newInstance0(Constructor<?> c, Object[] args)
70 throws InstantiationException,
71 IllegalArgumentException,
|
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.internal.reflect;
27
28 import sun.reflect.misc.ReflectUtil;
29
30 import java.lang.reflect.*;
31
32 /** Used only for the first few invocations of a Constructor;
33 afterward, switches to bytecode-based implementation */
34
35 class NativeConstructorAccessorImpl extends ConstructorAccessorImpl {
36 private final Constructor<?> c;
37 private DelegatingConstructorAccessorImpl parent;
38 private int numInvocations;
39
40 NativeConstructorAccessorImpl(Constructor<?> c) {
41 this.c = c;
42 }
43
44 public Object newInstance(Object[] args)
45 throws InstantiationException,
46 IllegalArgumentException,
47 InvocationTargetException
48 {
49 // We can't inflate a constructor belonging to a vm-anonymous class
50 // because that kind of class can't be referred to by name, hence can't
51 // be found from the generated bytecode.
52 if (++numInvocations > ReflectionFactory.inflationThreshold()
53 && !c.getDeclaringClass().isHidden()
54 && !ReflectUtil.isVMAnonymousClass(c.getDeclaringClass())) {
55 ConstructorAccessorImpl acc = (ConstructorAccessorImpl)
56 new MethodAccessorGenerator().
57 generateConstructor(c.getDeclaringClass(),
58 c.getParameterTypes(),
59 c.getExceptionTypes(),
60 c.getModifiers());
61 parent.setDelegate(acc);
62 }
63
64 return newInstance0(c, args);
65 }
66
67 void setParent(DelegatingConstructorAccessorImpl parent) {
68 this.parent = parent;
69 }
70
71 private static native Object newInstance0(Constructor<?> c, Object[] args)
72 throws InstantiationException,
73 IllegalArgumentException,
|