src/share/classes/com/sun/tools/classfile/EnclosingMethod_attribute.java

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1
2 /*
3 * Copyright 2007 Sun Microsystems, Inc. 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. Sun designates this
9 * particular file as subject to the "Classpath" exception as provided
10 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
24 * have any questions.
25 */
26
27 package com.sun.tools.classfile;
28
29 import java.io.IOException;
30
31 /**
32 * See JVMS3, section 4.8.7.
33 *
34 * <p><b>This is NOT part of any API supported by Sun Microsystems. If
35 * 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 }

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