throw new IllegalArgumentException( Messages.getString( "error.null.source", Locale.getDefault( ) ) );
throw new IllegalArgumentException( Messages.getString( "error.null.source" ) );
	public final void setSourceObject( Object oSource )	{		if ( oSource == null )			throw new IllegalArgumentException( Messages.getString( "error.null.source", Locale.getDefault( ) ) ); //$NON-NLS-1$ 		super.source = oSource;	}