| commit | author | age | ||
| e369b9 | 1 | /* |
| c45b52 | 2 | fm - File management class library |
| e369b9 | 3 | Copyright (C) 2024 Ulrich Hilger |
| U | 4 | |
| 5 | This program is free software: you can redistribute it and/or modify | |
| 6 | it under the terms of the GNU Affero General Public License as | |
| 7 | published by the Free Software Foundation, either version 3 of the | |
| 8 | License, or (at your option) any later version. | |
| 9 | ||
| 10 | This program 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 | |
| 13 | GNU Affero General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Affero General Public License | |
| 16 | along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| 17 | */ | |
| 18 | package de.uhilger.fm; | |
| 19 | ||
| 20 | import java.io.File; | |
| 21 | import java.io.FileFilter; | |
| 22 | ||
| 23 | /** | |
| 24 | * Ein Filter zum Auslassen kleiner Versionen einer Original-Bilddatei | |
| 6ea8d4 | 25 | * |
| e369b9 | 26 | * @author Ulrich Hilger |
| U | 27 | * @version 1, 12. Mai 2021 |
| 28 | */ | |
| 29 | public class ImageFileFilter implements FileFilter { | |
| 30 | ||
| 6ea8d4 | 31 | /** Endung fuer JPEG-Bilddateien */ |
| U | 32 | public static final String JPG = ".jpg"; |
| 33 | /** Endung fuer JPEG-Bilddateien */ | |
| 34 | public static final String JPEG = ".jpeg"; | |
| 35 | /** Endung fuer PNG-Bilddateien */ | |
| 36 | public static final String PNG = ".png"; | |
| 37 | ||
| 38 | /** Namenszusatz fuer Base64-kodierte Dateien */ | |
| 39 | public static final String B64 = "_b64"; // Base64-Encoded | |
| 40 | ||
| 41 | /** Namenszusatz fuer Bilddateien der Groesse 120 */ | |
| 42 | public static final String TN = "_tn"; // 120 | |
| 43 | /** Namenszusatz fuer Bilddateien der Groesse 240 */ | |
| 44 | public static final String KL = "_kl"; // 240 | |
| 45 | /** Namenszusatz fuer Bilddateien der Groesse 500 */ | |
| 46 | public static final String SM = "_sm"; // 500 | |
| 47 | /** Namenszusatz fuer Bilddateien der Groesse 700 */ | |
| 48 | public static final String MT = "_mt"; // 700 | |
| 49 | /** Namenszusatz fuer Bilddateien der Groesse 1200 */ | |
| 50 | public static final String GR = "_gr"; // 1200 | |
| 51 | ||
| 52 | /** | |
| 53 | * Bilddateien mit den Namenszusaetzen _tn, _kl, _sm, _mt, _gr und _b64 werden mit | |
| 54 | * diesem FileFilter weggelassen. | |
| 55 | * | |
| 56 | * @param pathname Name und Pfad einer zu filternden Datei | |
| 57 | * @return false (weglassen), wenn pathname den Namenszusatz | |
| 58 | * _tn, _kl, _sm, _mt, _gr und _b64 enthaelt, sonst true | |
| 59 | */ | |
| 60 | @Override | |
| 61 | public boolean accept(File pathname) { | |
| 62 | boolean pass = true; | |
| 63 | String fname = pathname.getName().toLowerCase(); | |
| 64 | if (fname.endsWith(JPEG) | |
| 65 | || fname.endsWith(JPG) || fname.endsWith(PNG)) { | |
| 66 | if (fname.contains(GR) || fname.contains(KL) | |
| 67 | || fname.contains(MT) || fname.contains(SM) | |
| 68 | || fname.contains(TN) || fname.contains(B64)) { | |
| 69 | pass = false; | |
| 70 | } | |
| 71 | } | |
| 72 | return pass; | |
| 73 | } | |
| 74 | } | |
