1 ////////////////////////////////////////////////////////////////////////////// 2 // Clirr: compares two versions of a java library for binary compatibility 3 // Copyright (C) 2003 - 2005 Lars Kühne 4 // 5 // This library is free software; you can redistribute it and/or 6 // modify it under the terms of the GNU Lesser General Public 7 // License as published by the Free Software Foundation; either 8 // version 2.1 of the License, or (at your option) any later version. 9 // 10 // This library is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 // Lesser General Public License for more details. 14 // 15 // You should have received a copy of the GNU Lesser General Public 16 // License along with this library; if not, write to the Free Software 17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 ////////////////////////////////////////////////////////////////////////////// 19 20 package net.sf.clirr.core; 21 22 /*** 23 * Listener for API differences. 24 * 25 * @author lkuehne 26 */ 27 public interface DiffListener 28 { 29 /*** 30 * Called when the listener should start listening. 31 * This gives implementations a chance to write some header info. 32 */ 33 void start(); 34 35 /*** 36 * Called when an API difference has been detected. 37 * @param difference the difference that has been detected. 38 */ 39 void reportDiff(ApiDifference difference); 40 41 /*** 42 * Called when the listener should stop listening. 43 * This gives implementations a chance to write footer info, 44 * close files, etc. 45 */ 46 void stop(); 47 }