| /* 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: ExceptionHandlerTable.java,v 1.1.1.1 2004/05/09 16:57:47 vlad_r Exp $ |
| */ |
| package com.vladium.jcd.cls.attribute; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import com.vladium.jcd.lib.UDataOutputStream; |
| |
| // ---------------------------------------------------------------------------- |
| /** |
| * @author (C) 2001, Vlad Roubtsov |
| */ |
| final class ExceptionHandlerTable implements IExceptionHandlerTable |
| { |
| // public: ................................................................ |
| |
| // ACCESSORS: |
| |
| public Exception_info get (final int offset) |
| { |
| return (Exception_info) m_exceptions.get (offset); |
| } |
| |
| public int size () |
| { |
| return m_exceptions.size (); |
| } |
| |
| public long length () |
| { |
| return 2 + (m_exceptions.size () << 3); // use size() if class becomes non-final |
| } |
| |
| // Cloneable: |
| |
| /** |
| * Performs a deep copy. |
| */ |
| public Object clone () |
| { |
| try |
| { |
| final ExceptionHandlerTable _clone = (ExceptionHandlerTable) super.clone (); |
| |
| // deep clone: |
| final int exceptions_count = m_exceptions.size (); // use size() if class becomes non-final |
| _clone.m_exceptions = new ArrayList (exceptions_count); |
| for (int e = 0; e < exceptions_count; ++ e) |
| { |
| _clone.m_exceptions.add (((Exception_info) m_exceptions.get (e)).clone ()); |
| } |
| |
| return _clone; |
| } |
| catch (CloneNotSupportedException e) |
| { |
| throw new InternalError (e.toString ()); |
| } |
| } |
| |
| // IClassFormatOutput: |
| |
| public void writeInClassFormat (final UDataOutputStream out) throws IOException |
| { |
| int exception_table_length = m_exceptions.size (); // use size() if class becomes non-final |
| out.writeU2 (exception_table_length); |
| |
| for (int i = 0; i < exception_table_length; i++) |
| { |
| get (i).writeInClassFormat (out); |
| } |
| } |
| |
| |
| // MUTATORS: |
| |
| public int add (final Exception_info exception) |
| { |
| final int newoffset = m_exceptions.size (); // use size() if class becomes non-final |
| m_exceptions.add (exception); |
| |
| return newoffset; |
| } |
| |
| public Exception_info set (final int offset, final Exception_info exception) |
| { |
| return (Exception_info) m_exceptions.set (offset, exception); |
| } |
| |
| // protected: ............................................................. |
| |
| // package: ............................................................... |
| |
| |
| ExceptionHandlerTable (final int capacity) |
| { |
| m_exceptions = capacity < 0 ? new ArrayList () : new ArrayList (capacity); |
| } |
| |
| // private: ............................................................... |
| |
| |
| private List/* Exception_info */ m_exceptions; |
| |
| } // end of class |
| // ---------------------------------------------------------------------------- |