001/* Copyright (C) 2013 TU Dortmund 002 * This file is part of AutomataLib, http://www.automatalib.net/. 003 * 004 * AutomataLib is free software; you can redistribute it and/or 005 * modify it under the terms of the GNU Lesser General Public 006 * License version 3.0 as published by the Free Software Foundation. 007 * 008 * AutomataLib is distributed in the hope that it will be useful, 009 * but WITHOUT ANY WARRANTY; without even the implied warranty of 010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 011 * Lesser General Public License for more details. 012 * 013 * You should have received a copy of the GNU Lesser General Public 014 * License along with AutomataLib; if not, see 015 * http://www.gnu.de/documents/lgpl.en.html. 016 */ 017package net.automatalib.commons.util.strings; 018 019import java.io.IOException; 020 021/** 022 * Interface that allows outputting to an {@link Appendable} (e.g., a 023 * {@link StringBuilder}) instead of simply using {@link Object#toString()}. 024 * 025 * @author Malte Isberner <malte.isberner@gmail.com> 026 * 027 */ 028public interface Printable { 029 /** 030 * Outputs the current object. 031 * @param a the appendable. 032 * @throws IOException if an error occurs during appending. 033 */ 034 public void print(Appendable a) throws IOException; 035}