| 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 com.google.gson.Gson; | |
| 21 | import java.io.File; | |
| 22 | import java.io.IOException; | |
| 23 | import java.util.ArrayList; | |
| 24 | import java.util.Arrays; | |
| 25 | ||
| 26 | ||
| 27 | /** | |
| 28 | * Eine Klasse zur Bildung einer Liste mit den Dateien eines Verzeichnisses. | |
| 29 | * | |
| 30 | * Varianten von Bilddateien werden ausgeblendet. Enthaelt ein Ordner die Dateien | |
| d618b8 | 31 | * |
| U | 32 | * <pre> |
| e369b9 | 33 | * mein-bild.jpg |
| U | 34 | * mein-bild_tn.jpg |
| 35 | * mein-bild_kl.jpg | |
| d618b8 | 36 | * </pre> |
| e369b9 | 37 | * |
| d618b8 | 38 | * erscheint nur die Datei mein-bild.jpg in der Liste. |
| e369b9 | 39 | * |
| U | 40 | * @author Ulrich Hilger |
| 41 | * @version 0.1, 05.11.2024 | |
| 42 | */ | |
| 8bde6f | 43 | public class Catalog { |
| e369b9 | 44 | |
| d618b8 | 45 | private static final String STR_DOT = "."; |
| e369b9 | 46 | |
| 269203 | 47 | /** |
| d618b8 | 48 | * Eine Liste des Inhalts eines Ordners erstellen |
| 269203 | 49 | * |
| 8bde6f | 50 | * @param relPathAndName Name und relativer Pfad des Ordners, dessen Inhalt aufgelistet werden soll |
| U | 51 | * @param urlBase Kontext Pfad zur Bildung des URL fuer Miniaturansicht und imgsrc bei Bilddateien |
| 269203 | 52 | * (koennte evtl. im Client gebildet werden, hier dann nur Mini-Dateiname zurueckgeben) |
| U | 53 | * @param base Basisverzeichnis, gegen das der relative Pfad aufgeloest werden soll |
| 54 | * @return die Dateiliste als JSON String | |
| 55 | * @throws IOException | |
| 56 | */ | |
| 8bde6f | 57 | public String list(String relPathAndName, String urlBase, String base) throws IOException { |
| U | 58 | File[] files = new File(base, relPathAndName).listFiles(new ImageFileFilter()); |
| e369b9 | 59 | if (files != null && files.length > 0) { |
| U | 60 | Arrays.sort(files); |
| 61 | ArrayList liste = new ArrayList(); | |
| 62 | for (File file : files) { | |
| 8bde6f | 63 | FileRef datei = new FileRef(); |
| e369b9 | 64 | String dateiName = file.getName(); |
| U | 65 | datei.setName(dateiName); |
| 66 | if (file.isDirectory()) { | |
| 8bde6f | 67 | datei.setTyp(FileRef.TYP_ORDNER); |
| e369b9 | 68 | } else { |
| 8bde6f | 69 | datei.setTyp(FileRef.TYP_DATEI); |
| e369b9 | 70 | } |
| U | 71 | String lowerName = dateiName.toLowerCase(); |
| 973951 | 72 | if (lowerName.endsWith(ImageFileFilter.JPEG) |
| U | 73 | || lowerName.endsWith(ImageFileFilter.JPG) |
| 74 | || lowerName.endsWith(ImageFileFilter.PNG)) { | |
| e369b9 | 75 | datei.setBild(true); |
| U | 76 | String ext = dateiName.substring(dateiName.lastIndexOf(STR_DOT)); |
| 77 | String ohneExt = dateiName.substring(0, dateiName.lastIndexOf(STR_DOT)); | |
| 8bde6f | 78 | datei.setMiniurl(urlBase + /*"/" + */ relPathAndName + ohneExt + ImageFileFilter.TN + ext); |
| e369b9 | 79 | //buildImgSrc(file, datei, ohneExt, ext); |
| U | 80 | } |
| 81 | liste.add(datei); | |
| 82 | } | |
| 83 | //while(threadCount > 0) { | |
| 84 | // try { | |
| 85 | // Thread.sleep(50); | |
| 86 | // } catch (InterruptedException ex) { | |
| 87 | // Logger.getLogger(FileManager.class.getName()).log(Level.SEVERE, null, ex); | |
| 88 | // } | |
| 89 | //} | |
| 90 | if (!liste.isEmpty()) { | |
| 91 | DirList list = new DirList(); | |
| 8bde6f | 92 | list.setDirectory(urlBase + relPathAndName); |
| U | 93 | list.setFiles(liste); |
| e369b9 | 94 | Gson gson = new Gson(); |
| U | 95 | String json = gson.toJson(list); |
| 96 | return json; | |
| 97 | } else { | |
| 98 | return null; | |
| 99 | } | |
| 100 | } else { | |
| 101 | return null; | |
| 102 | } | |
| 103 | //} else { | |
| 104 | //} | |
| 105 | } | |
| 106 | ||
| 107 | } | |
