1 /*

     2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package java.lang.invoke;

    27 import java.lang.invoke.MethodHandleNatives.Constants;

    28 

    29 //Not yet public: public

    30 class MethodHandleInfo {

    31    public static final int

    32        REF_NONE                    = Constants.REF_NONE,

    33        REF_getField                = Constants.REF_getField,

    34        REF_getStatic               = Constants.REF_getStatic,

    35        REF_putField                = Constants.REF_putField,

    36        REF_putStatic               = Constants.REF_putStatic,

    37        REF_invokeVirtual           = Constants.REF_invokeVirtual,

    38        REF_invokeStatic            = Constants.REF_invokeStatic,

    39        REF_invokeSpecial           = Constants.REF_invokeSpecial,

    40        REF_newInvokeSpecial        = Constants.REF_newInvokeSpecial,

    41        REF_invokeInterface         = Constants.REF_invokeInterface;

    42 

    43    private final Class<?> declaringClass;

    44    private final String name;

    45    private final MethodType methodType;

    46    private final int referenceKind;

    47 

    48    public MethodHandleInfo(MethodHandle mh) throws ReflectiveOperationException {

    49        MemberName mn = mh.internalMemberName();

    50        this.declaringClass = mn.getDeclaringClass();

    51        this.name = mn.getName();

    52        this.methodType = mn.getMethodType();

    53        this.referenceKind = mn.getReferenceKind();

    54    }

    55 

    56    public Class<?> getDeclaringClass() {

    57        return declaringClass;

    58    }

    59 

    60    public String getName() {

    61        return name;

    62    }

    63 

    64    public MethodType getMethodType() {

    65        return methodType;

    66    }

    67 

    68    public int getReferenceKind() {

    69        return referenceKind;

    70    }

    71 }