1 

     2 /*

     3  * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.

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

     5  *

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

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

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

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

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

    11  *

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

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

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

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

    16  * accompanied this code).

    17  *

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

    19  * 2 along with this work; if not, write to the Free Software Foundation,

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

    21  *

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

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

    24  * questions.

    25  */

    26 

    27 package com.sun.tools.classfile;

    28 

    29 import java.io.IOException;

    30 

    31 /**

    32  * See JVMS, section 4.8.7.

    33  *

    34  *  <p><b>This is NOT part of any supported API.

    35  *  If you write code that depends on this, you do so at your own risk.

    36  *  This code and its internal interfaces are subject to change or

    37  *  deletion without notice.</b>

    38  */

    39 public class EnclosingMethod_attribute extends Attribute {

    40     EnclosingMethod_attribute(ClassReader cr, int name_index, int length) throws IOException {

    41         super(name_index, length);

    42         class_index = cr.readUnsignedShort();

    43         method_index = cr.readUnsignedShort();

    44     }

    45 

    46     public EnclosingMethod_attribute(ConstantPool constant_pool, int class_index, int method_index)

    47             throws ConstantPoolException {

    48         this(constant_pool.getUTF8Index(Attribute.EnclosingMethod), class_index, method_index);

    49     }

    50 

    51     public EnclosingMethod_attribute(int name_index, int class_index, int method_index) {

    52         super(name_index, 4);

    53         this.class_index = class_index;

    54         this.method_index = method_index;

    55     }

    56 

    57     public String getClassName(ConstantPool constant_pool) throws ConstantPoolException {

    58         return constant_pool.getClassInfo(class_index).getName();

    59     }

    60 

    61     public String getMethodName(ConstantPool constant_pool) throws ConstantPoolException {

    62         if (method_index == 0)

    63             return "";

    64         return constant_pool.getNameAndTypeInfo(method_index).getName();

    65     }

    66 

    67     public <R, D> R accept(Visitor<R, D> visitor, D data) {

    68         return visitor.visitEnclosingMethod(this, data);

    69     }

    70 

    71     public final int class_index;

    72     public final int method_index;

    73 }