/*
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fm - File management class library
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Copyright (C) 2024 Ulrich Hilger
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package de.uhilger.fm;
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import com.google.gson.Gson;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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/**
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* Eine Klasse zur Bildung einer Liste mit den Dateien eines Verzeichnisses.
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*
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* Varianten von Bilddateien werden ausgeblendet. Enthaelt ein Ordner die Dateien
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* mein-bild.jpg
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* mein-bild_tn.jpg
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* mein-bild_kl.jpg
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* erscheint nur die Datei mein-bild.jpg in der Liste.
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*
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*
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* @author Ulrich Hilger
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* @version 0.1, 05.11.2024
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*/
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public class Lister {
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public static final String STR_DOT = ".";
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public String liste(String fName, String ctxPath, String base/*, String path*/) throws IOException {
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File[] files = new File(base, fName).listFiles(new ImageFileFilter());
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if (files != null && files.length > 0) {
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Arrays.sort(files);
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ArrayList liste = new ArrayList();
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for (File file : files) {
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Datei datei = new Datei();
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String dateiName = file.getName();
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datei.setName(dateiName);
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if (file.isDirectory()) {
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datei.setTyp(Datei.TYP_ORDNER);
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} else {
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datei.setTyp(Datei.TYP_DATEI);
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}
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String lowerName = dateiName.toLowerCase();
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if (lowerName.endsWith(ImageFileFilter.JPEG)
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|| lowerName.endsWith(ImageFileFilter.JPG)
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|| lowerName.endsWith(ImageFileFilter.PNG)) {
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datei.setBild(true);
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String ext = dateiName.substring(dateiName.lastIndexOf(STR_DOT));
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String ohneExt = dateiName.substring(0, dateiName.lastIndexOf(STR_DOT));
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datei.setMiniurl(ctxPath + /*"/" + */ fName + ohneExt + ImageFileFilter.TN + ext);
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//buildImgSrc(file, datei, ohneExt, ext);
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}
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liste.add(datei);
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}
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//while(threadCount > 0) {
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// try {
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// Thread.sleep(50);
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// } catch (InterruptedException ex) {
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// Logger.getLogger(FileManager.class.getName()).log(Level.SEVERE, null, ex);
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// }
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//}
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if (!liste.isEmpty()) {
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DirList list = new DirList();
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list.setPfad(ctxPath + fName);
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list.setDateien(liste);
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Gson gson = new Gson();
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String json = gson.toJson(list);
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return json;
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} else {
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return null;
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}
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} else {
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return null;
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}
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//} else {
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//}
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}
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}
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