1/* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved.
2 *
3 * This program and the accompanying materials are made available under
4 * the terms of the Common Public License v1.0 which accompanies this distribution,
5 * and is available at http://www.eclipse.org/legal/cpl-v10.html
6 *
7 * $Id: CONSTANT_String_info.java,v 1.1.1.1 2004/05/09 16:57:49 vlad_r Exp $
8 */
9package com.vladium.jcd.cls.constant;
10
11import java.io.IOException;
12
13import com.vladium.jcd.lib.UDataInputStream;
14import com.vladium.jcd.lib.UDataOutputStream;
15
16// ----------------------------------------------------------------------------
17/**
18 * The CONSTANT_String_info structure is used to represent constant objects of
19 * the type java.lang.String.<P>
20 *
21 * The value of the string_index item must be a valid index into the constant pool
22 * table. The constant pool entry at that index must be a {@link CONSTANT_Utf8_info}
23 * structure representing the sequence of characters to which the
24 * java.lang.String object is to be initialized.
25 *
26 * @author (C) 2001, Vlad Roubtsov
27 */
28public
29final class CONSTANT_String_info extends CONSTANT_literal_info
30{
31    // public: ................................................................
32
33    public static final byte TAG = 8;
34
35    public int m_string_index;
36
37
38    public CONSTANT_String_info (final int string_index)
39    {
40        m_string_index = string_index;
41    }
42
43
44    public final byte tag ()
45    {
46        return TAG;
47    }
48
49    // Visitor:
50
51    public Object accept (final ICONSTANTVisitor visitor, final Object ctx)
52    {
53        return visitor.visit (this, ctx);
54    }
55
56    public String toString ()
57    {
58        return "CONSTANT_String: [string_index = " + m_string_index + ']';
59    }
60
61    // Cloneable: inherited clone() is Ok
62
63    // IClassFormatOutput:
64
65    public void writeInClassFormat (final UDataOutputStream out) throws IOException
66    {
67        super.writeInClassFormat (out);
68
69        out.writeU2 (m_string_index);
70    }
71
72    // protected: .............................................................
73
74
75    protected CONSTANT_String_info (final UDataInputStream bytes) throws IOException
76    {
77        m_string_index = bytes.readU2 ();
78    }
79
80    // package: ...............................................................
81
82    // private: ...............................................................
83
84} // end of class
85// ----------------------------------------------------------------------------
86