001/* 002 * Copyright (c) 2005 Einar Pehrson <einar@pehrson.nu>. 003 * 004 * This file is part of 005 * CleanSheets - a spreadsheet application for the Java platform. 006 * 007 * CleanSheets is free software; you can redistribute it and/or modify 008 * it under the terms of the GNU General Public License as published by 009 * the Free Software Foundation; either version 2 of the License, or 010 * (at your option) any later version. 011 * 012 * CleanSheets is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 015 * GNU General Public License for more details. 016 * 017 * You should have received a copy of the GNU General Public License 018 * along with CleanSheets; if not, write to the Free Software 019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 020 */ 021package csheets.ext; 022 023/** 024 * An interface for extensible classes. 025 * @author Einar Pehrson 026 */ 027public interface Extensible<T> { 028 029 /** 030 * Returns the extension with the given key. 031 * @param name the name of the extension (case-insensitive) 032 * @return the appropriate extension, or null if no extension with the given name was found 033 */ 034 public T getExtension(String name); 035}