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/* |
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Tango - Personal Media Center |
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Copyright (C) 2021 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.tango.api; |
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import com.sun.net.httpserver.Headers; |
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import com.sun.net.httpserver.HttpExchange; |
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import de.uhilger.tango.App; |
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import de.uhilger.tango.Server; |
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import de.uhilger.tango.entity.Einstellung; |
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import de.uhilger.tango.entity.Entity; |
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import de.uhilger.tango.store.FileStorage; |
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import de.uhilger.tango.store.Storage; |
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import de.uhilger.tango.store.StorageFile; |
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import de.uhilger.tango.store.Track; |
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import java.io.File; |
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import java.io.FileFilter; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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/** |
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* |
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* @author ulrich |
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*/ |
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public class ListFileHandler extends FileHandler { |
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/* Der Logger fuer diesen ListFileHandler */ |
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private static final Logger logger = Logger.getLogger(ListFileHandler.class.getName()); |
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private static final String[] specialChars = {new String("\u00c4"), new String("\u00d6"), |
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new String("\u00dc"), new String("\u00e4"), new String("\u00f6"), new String("\u00fc"), new String("\u00df")}; |
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Map extMap = new HashMap(); |
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public ListFileHandler(String absoluteDirectoryPathAndName) { |
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super(absoluteDirectoryPathAndName); |
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/* |
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Ermittlung von Dateifiltern. |
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Sie werden erwartet in den Einstellungen 'audioexts' und 'videoexts' |
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jeweils als Dateierweiterungen mit Komma getrennt |
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z.B. "mp4,m4v" |
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*/ |
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FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF))); |
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initMap(fs, App.getRs(App.RB_AUDIOEXTS), StorageFile.TYP_AUDIO); |
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initMap(fs, App.getRs(App.RB_VIDEOEXTS), StorageFile.TYP_VIDEO); |
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} |
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private void initMap(Storage s, String key, String typ) { |
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Entity e = s.read(Einstellung.class.getSimpleName(), key); |
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if(e instanceof Einstellung) { |
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String[] exts = ((Einstellung) e).getValue().split(","); |
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for(String ext : exts) { |
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extMap.put(ext, typ); |
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} |
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} |
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} |
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@Override |
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public void handle(HttpExchange e) throws IOException { |
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String path = e.getRequestURI().toString(); |
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logger.fine(path); |
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if(path.endsWith(Server.SLASH)) { |
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String fName = getFileName(e); |
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logger.fine(fName); |
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File dir = new File(fileBase, fName); |
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logger.fine(dir.getAbsolutePath()); |
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File[] files = dir.listFiles(new FileFilter() { |
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@Override |
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public boolean accept(File pathname) { |
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Set keys = extMap.keySet(); |
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String fname = pathname.getName(); |
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int pos = fname.lastIndexOf("."); |
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String ext = fname.substring(pos+1); |
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return keys.contains(ext) || pathname.isDirectory(); |
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} |
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}); |
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Arrays.sort(files); |
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ArrayList list = new ArrayList(); |
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if(files != null) { |
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for(File file : files) { |
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StorageFile sf = new StorageFile(); |
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String fname = file.getName(); |
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sf.setName(fname); |
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sf.setTitelAnzName(fname); |
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if(file.isDirectory()) { |
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sf.setTyp(StorageFile.TYP_FOLDER); |
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} else { |
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int pos = fname.lastIndexOf("."); |
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String ext = fname.substring(pos+1); |
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logger.log(Level.FINE, "ext: {0}", ext); |
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Object o = extMap.get(ext); |
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if(o instanceof String) { |
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sf.setTyp(o.toString()); |
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getTrack(file, sf); |
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} else { |
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sf.setTyp(StorageFile.TYP_FILE); |
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} |
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} |
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list.add(sf); |
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} |
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} |
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//Collections.sort(list); |
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String json = escapeHtml(jsonWithCustomType(list, "Medialiste")); |
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logger.fine(json); |
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Headers headers = e.getResponseHeaders(); |
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headers.add("Content-Type", "application/json; charset=UTF-8"); |
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e.sendResponseHeaders(200, json.length()); |
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OutputStream os = e.getResponseBody(); |
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os.write(json.getBytes()); |
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os.close(); |
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} else { |
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super.handle(e); |
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} |
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} |
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public String escapeHtml(String text) { |
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text = text.replace(specialChars[0], "Ae"); |
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text = text.replace(specialChars[1], "Oe"); |
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text = text.replace(specialChars[2], "Ue"); |
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text = text.replace(specialChars[3], "ae"); |
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text = text.replace(specialChars[4], "oe"); |
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text = text.replace(specialChars[5], "ue"); |
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text = text.replace(specialChars[6], "ss"); |
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/* |
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text = text.replace(specialChars[0], "Ä"); |
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text = text.replace(specialChars[1], "Ö"); |
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text = text.replace(specialChars[2], "Ü"); |
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text = text.replace(specialChars[3], "ä"); |
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text = text.replace(specialChars[4], "ö"); |
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text = text.replace(specialChars[5], "ü"); |
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text = text.replace(specialChars[6], "ß"); |
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*/ |
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return text; |
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} |
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private void getTrack(File file, StorageFile sf) { |
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if(sf.getTyp().equalsIgnoreCase(StorageFile.TYP_AUDIO)) { |
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Track track = new Track(file); |
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sf.setInterpret(track.getArtist()); |
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String trackTitel = track.getTitle(); |
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if(trackTitel != null && trackTitel.length() > 0) { |
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sf.setTitelAnzName(trackTitel); |
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} |
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sf.setAlbum(track.getAlbum()); |
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} |
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} |
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} |