001/* 002 * This file is part of McIDAS-V 003 * 004 * Copyright 2007-2024 005 * Space Science and Engineering Center (SSEC) 006 * University of Wisconsin - Madison 007 * 1225 W. Dayton Street, Madison, WI 53706, USA 008 * https://www.ssec.wisc.edu/mcidas/ 009 * 010 * All Rights Reserved 011 * 012 * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and 013 * some McIDAS-V source code is based on IDV and VisAD source code. 014 * 015 * McIDAS-V is free software; you can redistribute it and/or modify 016 * it under the terms of the GNU Lesser Public License as published by 017 * the Free Software Foundation; either version 3 of the License, or 018 * (at your option) any later version. 019 * 020 * McIDAS-V is distributed in the hope that it will be useful, 021 * but WITHOUT ANY WARRANTY; without even the implied warranty of 022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 023 * GNU Lesser Public License for more details. 024 * 025 * You should have received a copy of the GNU Lesser Public License 026 * along with this program. If not, see https://www.gnu.org/licenses/. 027 */ 028 029package edu.wisc.ssec.mcidasv.util.pathwatcher; 030 031// Taken from https://gist.github.com/hindol-viz/394ebc553673e2cd0699 032 033/** 034 * Interface definition for a callback to be invoked when a file under 035 * watch is changed. 036 */ 037public interface OnFileChangeListener { 038 039 /** 040 * Called when a file is created. 041 * 042 * @param filePath Path to file that was created. 043 */ 044 default void onFileCreate(String filePath) {} 045 046 /** 047 * Called when a file is modified. 048 * 049 * @param filePath Path to file that was modified. 050 */ 051 default void onFileModify(String filePath) {} 052 053 /** 054 * Called when a file is deleted. 055 * 056 * @param filePath Path to file that was removed. 057 */ 058 default void onFileDelete(String filePath) {} 059 060 /** 061 * Called when the path being watched has been deleted. 062 * 063 * @param filePath Path that was being watched. 064 */ 065 default void onWatchInvalidation(String filePath) {} 066}