| /* 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: GenericAttribute_info.java,v 1.1.1.1 2004/05/09 16:57:48 vlad_r Exp $ |
| */ |
| package com.vladium.jcd.cls.attribute; |
| |
| import java.io.IOException; |
| |
| import com.vladium.jcd.lib.UDataInputStream; |
| import com.vladium.jcd.lib.UDataOutputStream; |
| |
| // ---------------------------------------------------------------------------- |
| /** |
| * This attribute structure is used during parsing to absorb all attribute types |
| * that are not currently recognized. |
| * |
| * @see Attribute_info |
| * |
| * @author (C) 2001, Vlad Roubtsov |
| */ |
| public |
| final class GenericAttribute_info extends Attribute_info |
| { |
| // public: ................................................................ |
| |
| |
| public byte [] m_info; |
| |
| |
| public GenericAttribute_info (final int attribute_name_index, final byte [] info) |
| { |
| super (attribute_name_index, (info != null ? info.length : 0)); |
| |
| m_info = (info != null ? info : EMPTY_BYTE_ARRAY); |
| } |
| |
| |
| public long length () |
| { |
| return 6 + m_info.length; |
| } |
| |
| // Visitor: |
| |
| public void accept (final IAttributeVisitor visitor, final Object ctx) |
| { |
| visitor.visit (this, ctx); |
| } |
| |
| public String toString () |
| { |
| return "generic attribute_info: [attribute_name_index = " + m_name_index + ", attribute_length = " + m_attribute_length + ']'; |
| } |
| |
| // Cloneable: |
| |
| /** |
| * Performs a deep copy. |
| */ |
| public Object clone () |
| { |
| final GenericAttribute_info _clone = (GenericAttribute_info) super.clone (); |
| |
| // do deep copy: |
| _clone.m_info = (m_info.length == 0 ? EMPTY_BYTE_ARRAY : (byte []) m_info.clone ()); |
| |
| return _clone; |
| } |
| |
| // IClassFormatOutput: |
| |
| public void writeInClassFormat (final UDataOutputStream out) throws IOException |
| { |
| super.writeInClassFormat (out); |
| |
| out.write (m_info, 0, m_info.length); |
| } |
| |
| // protected: ............................................................. |
| |
| // package: ............................................................... |
| |
| |
| GenericAttribute_info (final int attribute_name_index, final long attribute_length, |
| final UDataInputStream bytes) |
| throws IOException |
| { |
| super (attribute_name_index, attribute_length); |
| |
| m_info = new byte [(int) m_attribute_length]; |
| bytes.readFully (m_info); |
| } |
| |
| // private: ............................................................... |
| |
| |
| private static final byte [] EMPTY_BYTE_ARRAY = new byte [0]; |
| |
| } // end of class |
| // ---------------------------------------------------------------------------- |