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/* 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
// ----------------------------------------------------------------------------
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