jdk/src/java.base/share/classes/sun/reflect/BootstrapConstructorAccessorImpl.java
changeset 38062 430e0a96ef1f
parent 38061 5fe046aef3b9
parent 38060 954c9575f653
child 38064 0e7c67a6ad89
child 38065 025c784d9333
equal deleted inserted replaced
38061:5fe046aef3b9 38062:430e0a96ef1f
     1 /*
       
     2  * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.  Oracle designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Oracle in the LICENSE file that accompanied this code.
       
    10  *
       
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    14  * version 2 for more details (a copy is included in the LICENSE file that
       
    15  * accompanied this code).
       
    16  *
       
    17  * You should have received a copy of the GNU General Public License version
       
    18  * 2 along with this work; if not, write to the Free Software Foundation,
       
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    20  *
       
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    22  * or visit www.oracle.com if you need additional information or have any
       
    23  * questions.
       
    24  */
       
    25 
       
    26 package sun.reflect;
       
    27 
       
    28 import java.lang.reflect.InvocationTargetException;
       
    29 import java.lang.reflect.Constructor;
       
    30 
       
    31 /** Uses Unsafe.allocateObject() to instantiate classes; only used for
       
    32     bootstrapping. */
       
    33 
       
    34 class BootstrapConstructorAccessorImpl extends ConstructorAccessorImpl {
       
    35     private final Constructor<?> constructor;
       
    36 
       
    37     BootstrapConstructorAccessorImpl(Constructor<?> c) {
       
    38         this.constructor = c;
       
    39     }
       
    40 
       
    41     public Object newInstance(Object[] args)
       
    42         throws IllegalArgumentException, InvocationTargetException
       
    43     {
       
    44         try {
       
    45             return UnsafeFieldAccessorImpl.unsafe.
       
    46                 allocateInstance(constructor.getDeclaringClass());
       
    47         } catch (InstantiationException e) {
       
    48             throw new InvocationTargetException(e);
       
    49         }
       
    50     }
       
    51 }