| /* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under |
| * the terms of the Common Public License v1.0 which accompanies this distribution, |
| * and is available at http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * $Id: CONSTANT_NameAndType_info.java,v 1.1.1.1 2004/05/09 16:57:49 vlad_r Exp $ |
| */ |
| package com.vladium.jcd.cls.constant; |
| |
| import java.io.IOException; |
| |
| import com.vladium.jcd.cls.ClassDef; |
| import com.vladium.jcd.lib.UDataInputStream; |
| import com.vladium.jcd.lib.UDataOutputStream; |
| |
| // ---------------------------------------------------------------------------- |
| /** |
| * The CONSTANT_NameAndType_info structure is used to represent a field or method, |
| * without indicating which class or interface type it belongs to.<P> |
| * |
| * The value of the name_index item must be a valid index into the constant pool |
| * table. The constant pool entry at that index must be a {@link CONSTANT_Utf8_info} |
| * structure representing a valid Java field name or method name stored as a simple |
| * (not fully qualified) name, that is, as a Java identifier.<P> |
| * |
| * The value of the descriptor_index item must be a valid index into the constant |
| * pool table. The constant pool entry at that index must be a {@link CONSTANT_Utf8_info} |
| * structure representing a valid Java field descriptor or method descriptor. |
| * |
| * @author (C) 2001, Vlad Roubtsov |
| */ |
| public |
| final class CONSTANT_NameAndType_info extends CONSTANT_info |
| { |
| // public: ................................................................ |
| |
| public static final byte TAG = 12; |
| |
| |
| public int m_name_index; |
| public int m_descriptor_index; |
| |
| |
| public CONSTANT_NameAndType_info (final int name_index, final int descriptor_index) |
| { |
| m_name_index = name_index; |
| m_descriptor_index = descriptor_index; |
| } |
| |
| public final byte tag () |
| { |
| return TAG; |
| } |
| |
| public String getName (final ClassDef cls) |
| { |
| return ((CONSTANT_Utf8_info) cls.getConstants ().get (m_name_index)).m_value; |
| } |
| |
| public String getDescriptor (final ClassDef cls) |
| { |
| return ((CONSTANT_Utf8_info) cls.getConstants ().get (m_descriptor_index)).m_value; |
| } |
| |
| // Visitor: |
| |
| public Object accept (final ICONSTANTVisitor visitor, final Object ctx) |
| { |
| return visitor.visit (this, ctx); |
| } |
| |
| public String toString () |
| { |
| return "CONSTANT_NameAndType: [name_index = " + m_name_index + ", descriptor_index = " + m_descriptor_index + ']'; |
| } |
| |
| // Cloneable: inherited clone() is Ok |
| |
| // IClassFormatOutput: |
| |
| public void writeInClassFormat (final UDataOutputStream out) throws IOException |
| { |
| super.writeInClassFormat (out); |
| |
| out.writeU2 (m_name_index); |
| out.writeU2 (m_descriptor_index); |
| } |
| |
| // protected: ............................................................. |
| |
| |
| protected CONSTANT_NameAndType_info (final UDataInputStream bytes) throws IOException |
| { |
| m_name_index = bytes.readU2 (); |
| m_descriptor_index = bytes.readU2 (); |
| } |
| |
| // package: ............................................................... |
| |
| // private: ............................................................... |
| |
| } // end of class |
| // ---------------------------------------------------------------------------- |