1/*
2 * Copyright (c) 2007, 2008, 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
26package com.sun.tools.classfile;
27
28import java.io.IOException;
29
30/**
31 * See JVMS, section 4.8.9.
32 *
33 *  <p><b>This is NOT part of any supported API.
34 *  If you write code that depends on this, you do so at your own risk.
35 *  This code and its internal interfaces are subject to change or
36 *  deletion without notice.</b>
37 */
38public class Signature_attribute extends Attribute {
39    Signature_attribute(ClassReader cr, int name_index, int length) throws IOException {
40        super(name_index, length);
41        signature_index = cr.readUnsignedShort();
42    }
43
44    public Signature_attribute(ConstantPool constant_pool, int signature_index)
45            throws ConstantPoolException {
46        this(constant_pool.getUTF8Index(Attribute.Signature), signature_index);
47    }
48
49    public Signature_attribute(int name_index, int signature_index) {
50        super(name_index, 2);
51        this.signature_index = signature_index;
52    }
53
54    public String getSignature(ConstantPool constant_pool) throws ConstantPoolException {
55        return constant_pool.getUTF8Value(signature_index);
56    }
57
58    public Signature getParsedSignature() {
59        return new Signature(signature_index);
60    }
61
62    public <R, D> R accept(Visitor<R, D> visitor, D data) {
63        return visitor.visitSignature(this, data);
64    }
65
66    public final int signature_index;
67}
68