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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: DeclaredExceptionTable.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 com.vladium.jcd.lib.UDataOutputStream;
import com.vladium.util.IntVector;
// ----------------------------------------------------------------------------
/**
* @author (C) 2001, Vlad Roubtsov
*/
final class DeclaredExceptionTable implements IDeclaredExceptionTable
{
// public: ................................................................
// ACCESSORS:
public int get (final int offset)
{
return m_exceptions.get (offset);
}
public int size ()
{
return m_exceptions.size ();
}
public long length ()
{
return (1 + m_exceptions.size ()) << 1; // use size() if class becomes non-final
}
// Cloneable:
/**
* Performs a deep copy.
*/
public Object clone ()
{
try
{
final DeclaredExceptionTable _clone = (DeclaredExceptionTable) super.clone ();
// deep clone:
_clone.m_exceptions = (IntVector) m_exceptions.clone ();
return _clone;
}
catch (CloneNotSupportedException e)
{
throw new InternalError (e.toString ());
}
}
// IClassFormatOutput:
public void writeInClassFormat (final UDataOutputStream out) throws IOException
{
int number_of_exceptions = m_exceptions.size (); // use size() if class becomes non-final
out.writeU2 (number_of_exceptions);
for (int i = 0; i < number_of_exceptions; i++)
{
out.writeU2 (get (i));
}
}
// MUTATORS:
public int add (final int exception_index)
{
final int newoffset = m_exceptions.size (); // use size() if class becomes non-final
m_exceptions.add (exception_index);
return newoffset;
}
public int set (final int offset, final int exception_index)
{
return m_exceptions.set (offset, exception_index);
}
// protected: .............................................................
// package: ...............................................................
DeclaredExceptionTable (final int capacity)
{
m_exceptions = capacity < 0 ? new IntVector () : new IntVector (capacity);
}
// private: ...............................................................
private IntVector m_exceptions;
} // end of class
// ----------------------------------------------------------------------------
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