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 */ 9 package com.vladium.jcd.cls.constant; 10 11 import java.io.IOException; 12 13 import com.vladium.jcd.lib.UDataInputStream; 14 import 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 */ 28 public 29 final 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